TWI657816B - Compounds from antrodia camphorate and their use in treatment of diabetes mellitus - Google Patents

Compounds from antrodia camphorate and their use in treatment of diabetes mellitus Download PDF

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TWI657816B
TWI657816B TW103102346A TW103102346A TWI657816B TW I657816 B TWI657816 B TW I657816B TW 103102346 A TW103102346 A TW 103102346A TW 103102346 A TW103102346 A TW 103102346A TW I657816 B TWI657816 B TW I657816B
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android quinol
insulin
android
quinol
glucose
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TW201529066A (en
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翁慶豐
陳清漂
蘇拉克 羅西達斯 希瓦吉
徐嘉瑜
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國立東華大學
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Abstract

本發明係有關一種用於治療糖尿病之方法或組合物，包含投予個體一醫藥組合物，其包含治療有效量之來自牛樟芝(Antrodia camphorate)之活性化合物，如安卓奎諾爾(antroquinonols)，以及一醫藥上可接受之載體。此外，本發明提供一種新穎之安卓奎諾爾全合成方法。亦提供一種由製備安卓奎諾爾之製程中所產生之新穎化合物。 The present invention relates to a method or composition for treating diabetes, comprising administering to a subject a pharmaceutical composition comprising a therapeutically effective amount of an active compound from Antrodia camphorate , such as antroquinonols, and a Pharmaceutically acceptable carrier. In addition, the present invention provides a novel Android quinol synthesis method. Also provided is a novel compound produced in a process for preparing Android quinol.

Description

牛樟芝化合物及其用於治療糖尿病的方法 Antrodia cinnamomea and its method for treating diabetes

本發明係有關一種治療糖尿病之方法與組合物。具體而言，本發明係有關一種使用來自牛樟芝(Antrodia camphorate)之特定化合物治療糖尿病之方法與組合物。 The present invention relates to a method and composition for treating diabetes. Specifically, the present invention relates to a method and composition for treating diabetes using a specific compound from Antrodia camphorate .

第二型糖尿病(Type 2 diabetes mellitus，T2DM)為最常見的慢性疾病，且在全世界有高盛行率。最近的長期大型試驗指出積極的血糖控制可降低胰島素抗性之惡化及心血管疾病(cardiovascular disease，CVD)之風險，特別在T2DM(Avogaro,"Treating diabetes today with gliclazide MR：a matter of numbers." Diabetes,obesiry & metabolism 14 Suppl 1：14-19,2012)。據此，其更加希望能發展出優於胰島素類似物之血糖控制藥劑。舉例而言，具有血糖控制效果之西他列汀(sitagliptin)已發展作為治療T2DM之藥劑，其為一種高度選擇性之二肽基胜肽酶-4抑制劑(dipeptidyl peptidase-4 inhibitor)(Goldstein et al.,"Effect of initial combination therapy with sitagliptin,a dipeptidyl peptidase-4 inhibitor,and metformin on glycemic control in patients with type 2 diabetes." Diabetes Care 30(8)：1979-1987,2007)。此外，亦有報告指出二甲雙胍(metformin)可藉由活化AMP-活化型蛋白質激酶(AMP-activated protein kinase，AMPK)而有效控制血糖 (Riddle,"Oral pharmacologic management of type 2 diabetes." American Family Physician 60(9)：2613-2620,1999；Zhou et al.,"Role of AMP-activated protein kinase in mechanism of metformin action." Journal of Clinical Investigation 108(8)：1167-1174,2001；Fryer et al.,"The Anti-diabetic drugs rosiglitazone and metformin stimulate AMP-activated protein kinase through distinct signaling pathways." Journal of Biological Chemistry 277(28)：25226-25232,2002；Leverve et al.,"Mitochondrial metabolism and type-2 diabetes：a specific target of metformin." Diabetes and Metabolism 29(4 Pt 2)：6S88-94,2003)。西他列汀與二甲雙胍為廣泛使用之治療T2DM的第一線藥物，可經由不同機制降低血糖值。在先前的臨床試驗中，以西他列汀與二甲雙胍初期合併治療之療效，已於T2DM病患身上獲得證實。 Type 2 diabetes mellitus (T2DM) is the most common chronic disease and has a high prevalence rate worldwide. Recent long-term large-scale trials have pointed out that active glycemic control can reduce the deterioration of insulin resistance and the risk of cardiovascular disease (CVD), especially in T2DM (Avogaro, "Treating diabetes today with gliclazide MR: a matter of numbers." Diabetes, obesiry & metabolism 14 Suppl 1: 14-19, 2012). Accordingly, it is even more desirable to develop a blood glucose control agent that is superior to insulin analogs. For example, sitagliptin, which has a blood glucose control effect, has been developed as an agent for the treatment of T2DM, which is a highly selective dipeptidyl peptidase-4 inhibitor (Goldstein et al. , "Effect of initial combination therapy with sitagliptin, a dipeptidyl peptidase-4 inhibitor, and metformin on glycemic control in patients with type 2 diabetes." Diabetes Care 30 (8): 1979-1987, 2007). In addition, there are reports that metformin can effectively control blood glucose by activating AMP-activated protein kinase (AMPK) (Riddle, "Oral pharmacologic management of type 2 diabetes." American Family Physician 60 (9): 2613-2620, 1999; Zhou et al. , "Role of AMP-activated protein kinase in mechanism of metformin action." Journal of Clinical Investigation 108 (8): 1167-1174, 2001; Fryer et al. , "The Anti-diabetic drugs rosiglitazone and metformin stimulate AMP-activated protein kinase through distinct signaling pathways." Journal of Biological Chemistry 277 (28): 25226-25232, 2002; Leverve et al. , "Mitochondrial metabolism and type-2 diabetes: a specific target of metformin. " Diabetes and Metabolism 29 (4 Pt 2): 6S88-94, 2003). Sitagliptin and metformin are widely used first-line drugs for the treatment of T2DM, which can lower blood sugar levels through different mechanisms. In previous clinical trials, the efficacy of the initial combination of sitagliptin and metformin has been confirmed in patients with T2DM.

某些中草藥經報告具有降低血糖值之潛力(Lee et al.,"Berberine,a natural plant product,activates AMP-activated protein kinase with beneficial metabolic effects in diabetic and insulin-resistant states." Diabetes 55(8)：2256-2264,2006；Shi et al.,"Tiliroside-derivatives enhance GLUT4 translocation via AMPK in muscle cells." Diabetes research and clinical practice 92(2)：e41-46,2011)。牛樟(Cinnamomum kanehirai)為台灣特有之樟科(Lauraceae)物種(Wu et al.,"Antrodia camphorata("niu-chang-chih"),new combination of a medicinal fungus in Taiwan." BOTANICAL BULLETIN-ACADEMIA SINICA TAIPEI 38：273-276,1997)。牛樟芝為生長於牛樟(C.kanehirae)木心內腔之寄生真菌(Geethangili et al.,"Review of Pharmacological Effects of Antrodia camphorata and Its Bioactive Compounds." Evidence-Based Complementary and Alternative Medicine 2011：212641,2011)。 Some Chinese herbal medicines have been reported to have the potential to lower blood glucose levels (Lee et al. , "Berberine, a natural plant product, activateds AMP-activated protein kinase with beneficial metabolic effects in diabetic and insulin-resistant states." Diabetes 55 (8): 2256-2264, 2006; Shi et al. , "Tiliroside-derivatives enhance GLUT4 translocation via AMPK in muscle cells." Diabetes research and clinical practice 92 (2): e41-46, 2011). Cinnamomum kanehirai is a unique species of Lauraceae in Taiwan (Wu et al. , " Antrodia camphorata (" niu-chang-chih "), new combination of a medicinal fungus in Taiwan." BOTANICAL BULLETIN-ACADEMIA TAIPEI 38: 273-276, 1997). Antrodia is grown Antrodia (C.kanehirae) parasitic fungi jovicentric inner cavity (Geethangili et al, "Review of Pharmacological Effects of Antrodia camphorata and Its Bioactive Compounds." Evidence-Based Complementary and Alternative Medicine 2011:. 212641,2011 ).

目前仍希望能發展出一種治療T2DM之新穎藥物及其之新穎化學合成方法。 It is still hoped to develop a novel drug for treating T2DM and a novel chemical synthesis method thereof.

本發明非可預期地發現分離自牛樟芝之某些化合物係有效於治療糖尿病，特別是T2DM。 The present invention unexpectedly found that certain compounds isolated from Antrodia cinnamomea are effective in treating diabetes, particularly T2DM.

在一方面，本發明提供一種治療個體之糖尿病的方法，包含投予該個體一醫藥組合物，其包含一醫藥上可接受之載體與一治療有效量之具通式(I)的化合物： 其中X與Y係相同或相異，獨立地為氧或硫，R1、R2、R3與R4之每一者係氫原子、甲基或(CH2)m-CH3，m係1至12之整數，以及n係1至12之整數。 In one aspect, the present invention provides a method for treating diabetes in an individual, comprising administering to the individual a pharmaceutical composition comprising a pharmaceutically acceptable carrier and a therapeutically effective amount of a compound of general formula (I): Where X and Y are the same or different, and are independently oxygen or sulfur, each of R 1 , R 2 , R 3 and R 4 is a hydrogen atom, a methyl group or (CH 2 ) m -CH 3 , and m is An integer from 1 to 12, and n is an integer from 1 to 12.

在本發明之一具體實施例中，具通式(I)的化合物可分離自牛樟芝(Antrodia camphorate)。本發明之一實例為安卓奎諾爾(antroquinonol)，具體而言為(+)或(-)-安卓奎諾爾。 In a specific embodiment of the present invention, the compound of general formula (I) can be isolated from Antrodia camphorate . An example of the present invention is antroquinonol, specifically (+) or (-)-Android quinol.

在本發明之一具體實施例中，該安卓奎諾爾係有效抑制二肽基胜肽酶-4(Dipeptidyl peptidase-4，DPP4)之活性並增強AMP-活化型蛋白質激酶(AMPK)之活化。 In a specific embodiment of the present invention, the Android quinol is effective to inhibit the activity of dipeptidyl peptidase-4 (DPP4) and enhance the activation of AMP-activated protein kinase (AMPK).

在另一方面，本發明係提供一種新穎之製備安卓奎諾爾的方法，包含二乙基鋅(diethyl zinc)之不對稱加成作用、克來森(Claisen)重排作用、合環置換反應(ring-closing metathesis)，以及內酯化作用 (lactonization)等步驟。 In another aspect, the present invention provides a novel method for preparing Android quinol, comprising an asymmetric addition of diethyl zinc, a Claisen rearrangement, and a ring replacement reaction ( ring-closing metathesis), and lactonization (lactonization) and other steps.

在又一方面，本發明係提供一新穎化合物，即具通式(IV)之(-)-安卓奎諾爾： In yet another aspect, the present invention provides a novel compound, namely (-)-Android quinol having the general formula (IV):

其中Me為甲基。 Where Me is methyl.

在本發明之一具體實施例中，該(-)-安卓奎諾爾係非毒性。 In a specific embodiment of the present invention, the (-)-Android quinol is non-toxic.

在又一方面，本發明提供於安卓奎諾爾之製備過程中所產生之新穎化合物，包括： In yet another aspect, the present invention provides novel compounds produced during the preparation of Android Quinol, including:

其中PMB為p-甲氧基芐基(p-methoxybenzyl)； Wherein PMB is p - methoxybenzyl (p -methoxybenzyl);

其中Me為甲基且TBS為第三-丁基二甲基矽基(tert-butyldimethylsilyl)；以及 其中Me為甲基且MOM為甲氧基甲基(methoxymethyl)。 Wherein Me is methyl and TBS is a tertiary - butyl-dimethyl-silicon based (tert -butyldimethylsilyl); and Where Me is methyl and MOM is methoxymethyl.

在又另一方面，本發明提供一種與通式(I)化合物組合之 醫藥組合物。本發明之一實例為與安卓奎諾爾組合之醫藥組合物，具體而言為(+)或(-)-安卓奎諾爾。 In yet another aspect, the present invention provides a combination with a compound of formula (I) Pharmaceutical composition. An example of the present invention is a pharmaceutical composition combined with Android quinol, specifically (+) or (-)-Android quinol.

據信熟習本領域普通知識之技術人員可根據此處說明而進行最廣範圍之利用而不需進一步闡釋。因此，下列說明應理解為用於說明之目的，而非以任何方式侷限本發明之範疇。 It is believed that those skilled in the art can make the widest use according to the description herein without further explanation. Therefore, the following description should be understood for the purpose of illustration and not to limit the scope of the present invention in any way.

前述發明內容，以及下列發明之詳細說明，皆可參照所附圖式而有更清楚了解。為了闡釋本發明，圖式具體實施例皆為較佳之呈現。然而，應瞭解的是，本發明並未限制於所示精確設置及方法。 The foregoing summary of the invention, and the detailed description of the following invention, can be more clearly understood with reference to the accompanying drawings. In order to explain the present invention, the specific embodiments of the drawings are better presented. It should be understood, however, that the invention is not limited to the precise arrangements and methods shown.

在圖示中：圖1顯示(+)與(-)-安卓奎諾爾之MTT試驗結果(分別以「Ant(+)」與「Ant(-)」表示)，並與對照組(以「Con」表示)比較；其中LNCaP細胞係於37℃下在5% CO2中培養整夜，並以10μM(+)-安卓奎諾爾或(-)-安卓奎諾爾處理48小時，並接著進行MTT試驗後另外培養4小時，以570nm測定每一孔之OD值，其中數據以平均值與標準偏差(平均值±SD)表示，不同字母代表各處理組之間的顯著差異(p<0.05)。 In the figure: Figure 1 shows the results of the MTT test of (+) and (-)-Androidquinol (represented by "Ant (+)" and "Ant (-)", respectively), and ”Indicates) comparison; wherein the LNCaP cell line was cultured overnight at 37 ° C. in 5% CO 2 and treated with 10 μM (+)-Android quinol or (-)-Android quinol for 48 hours, and then subjected to MTT test After another 4 hours of incubation, the OD value of each well was measured at 570 nm, where the data are expressed as the average and standard deviation (mean ± SD), and different letters represent significant differences between the treatment groups ( p < 0.05 ).

圖2顯示安卓奎諾爾抑制DPP4活性之能力；其中100μM安卓奎諾爾(以「DPP4+Ant」表示)及西他列汀(以「DPP4+Sit」表示)之DPP4活性值比較係分別以ELISA測定(DPP4/CD26試驗套組，BML-AK498)；其中數據以平均值與標準偏差(平均值±SD)表示，不同字母代表各處理組之間的顯著差異(p<0.05)。 Figure 2 shows the ability of Android quinol to inhibit DPP4 activity; the comparison of DPP4 activity values of 100 μM Android quinol (represented by "DPP4 + Ant") and sitagliptin (represented by "DPP4 + Sit") was determined by ELISA (DPP4 / CD26 test set, BML-AK498); the data are expressed as mean and standard deviation (mean ± SD), and different letters represent significant differences between the treatment groups ( p < 0.05 ).

圖3(A)與圖3(B)顯示安卓奎諾爾對於AKT Thr308與AMPK Thr172磷酸 化作用之影響：圖3(A)提供胰島素、二甲雙胍(metformin，Met)及安卓奎諾爾(Ant)誘發之AKT Thr308磷酸化作用之結果；其中將分化之C2C12細胞培養於100nM胰島素、16mM二甲雙胍(Met)，或25μM安卓奎諾爾(Ant)中，並於37℃下靜置30分鐘，隨後細胞裂解液以SDS-PAGE分離，並進行磷酸化-AKT Thr308西方墨點法分析(Western blotting)；其中數據以平均值與平均值的標準差(平均值±SEM)表示，不同字母代表各處理組之間的顯著差異(p<0.05)。 Figures 3 (A) and 3 (B) show the effects of Android quinol on the phosphorylation of AKT Thr308 and AMPK Thr172: Figure 3 (A) provides insulin, metformin (Met) and Android quinol (Ant) induced The result of AKT Thr308 phosphorylation; the differentiated C2C12 cells were cultured in 100 nM insulin, 16 mM metformin (Met), or 25 μM Android quinol (Ant), and allowed to stand at 37 ° C for 30 minutes. SDS-PAGE separation and phosphorylation-AKT Thr308 Western blotting analysis; the data are expressed as the mean and standard deviation of the mean (mean ± SEM), with different letters representing the differences between the treatment groups Significant difference ( p < 0.05 ).

圖3(B)提供胰島素、二甲雙胍(Met)與安卓奎諾爾(Ant)誘發之AMPK Thr172磷酸化之結果；其中將分化之C2C12細胞培養於100nM胰島素、16mM二甲雙胍(Met)，或25μM安卓奎諾爾(Ant)中，並於37℃下靜置30分鐘，隨後細胞裂解液以SDS-PAGE分離，並進行磷酸化-AMPK Thr172西方墨點法分析；其中數據以平均值與平均值的標準差(平均值±SEM)表示，不同字母代表各處理組之間的顯著差異(p<0.05)。 Figure 3 (B) provides the results of phosphorylation of AMPK Thr172 induced by insulin, metformin (Met) and Android quinol (Ant); wherein differentiated C2C12 cells were cultured in 100 nM insulin, 16 mM metformin (Met), or 25 μM Android quinol (Ant), and allowed to stand at 37 ° C for 30 minutes, and then the cell lysate was separated by SDS-PAGE and analyzed by phosphorylation-AMPK Thr172 Western blot method; where the data are expressed as the mean and the standard deviation of the mean ( Mean ± SEM) indicates that different letters represent significant differences between the treatment groups ( p < 0.05 ).

圖4顯示安卓奎諾爾(Ant)對於AR42J細胞中之昇醣素類胜肽-1誘發之PKA蛋白質含量之影響；其中該AR42J細胞係以1nM昇醣素類胜肽-1(glucagon-like peptide-1，Glp-1)、1nM促胰島素分泌素-4(Ex-4)與不同濃度(5μM與20μM)之安卓奎諾爾(Ant)處理48小時；其中以西方墨點法測定蛋白質表現量，並以GAPDH作為內部對照組。 Fig. 4 shows the effect of Android quinol (Ant) on the content of PKA protein induced by glycopeptide-1 in AR42J cells; wherein the AR42J cell line uses 1nM glucagon-like peptide-1 (glucagon-like peptide -1, Glp-1), 1nM insulin secretin-4 (Ex-4) and different concentrations (5 μM and 20 μM) of Android quinol (Ant) treatment for 48 hours; of which the Western blot method was used to determine protein expression, GAPDH was used as the internal control group.

圖5(A)與圖5(B)顯示安卓奎諾爾對於GLUT4轉位之影響：圖5(A)顯示胰島素(insulin，Ins)、二甲雙胍(Met)與安卓奎諾爾(Ant)對於GLUT4轉位之影響；其中C2C12細胞已分化，並以185μM胰島素 (Ins)、16mM二甲雙胍(Met)及50μM、100μM與150μM安卓奎諾爾(Ant)處理55分鐘(各組樣本數n=5)；其中數據以平均值與平均值的標準差(平均值±SEM)表示，不同字母代表各處理組之間的顯著差異(p<0.05)。 圖5(B)顯示相較於對照組之GLUT4轉位比率；其中C2C12細胞已分化，並以185μM胰島素(Ins)、100μM安卓奎諾爾及胰島素加100μM安卓奎諾爾處理40分鐘(各組樣本數n=5)；其中數據係以平均值與平均值的標準差(平均值±SEM)表示，不同字母代表各處理組之間的顯著差異(p<0.05)。 圖6提供胰島素(Ins)、二甲雙胍(Met)與安卓奎諾爾(Ant)之葡萄醣攝取的試驗結果；其中L6細胞已分化，並以1μM胰島素(Ins)、2mM二甲雙胍(Met)，及/或10nM安卓奎諾爾(Ant)，及/或400nM之S961(一種胰島素受體拮抗劑，用於模擬糖尿病(diabetes mellitus，DM))處理30分鐘(各組樣本數n=5)；其中數據以平均值與平均值的標準差(平均值±SEM)表示，不同字母代表各處理組之間的顯著差異(p<0.05)。 Figures 5 (A) and 5 (B) show the effects of Android quinol on GLUT4 translocation: Figure 5 (A) shows insulin (Ins), metformin (Met), and Android quinol (Ant) for GLUT4 translocation C2C12 cells have been differentiated and treated with 185 μM insulin (Ins), 16 mM metformin (Met), and 50 μM, 100 μM, and 150 μM Android quinol (Ant) for 55 minutes (the number of samples in each group is n = 5); The mean and the standard deviation of the mean (mean ± SEM) indicate that different letters represent significant differences between the treatment groups ( p < 0.05 ). Figure 5 (B) shows the GLUT4 translocation ratio compared to the control group; C2C12 cells have been differentiated and treated with 185 μM insulin (Ins), 100 μM Android quinol and insulin plus 100 μM Android quinol for 40 minutes (samples in each group) n = 5); the data are expressed as the mean and the standard deviation of the mean (mean ± SEM), and different letters represent significant differences between the treatment groups ( p < 0.05 ). Figure 6 provides the results of the glucose uptake test of insulin (Ins), metformin (Met), and Android quinol (Ant); where L6 cells have differentiated with 1 μM insulin (Ins), 2 mM metformin (Met), and / or 10 nM Android quinol (Ant), and / or 400nM S961 (an insulin receptor antagonist used to simulate diabetes mellitus (DM)) for 30 minutes (the number of samples in each group is n = 5); the data are averaged The standard deviation from the mean (mean ± SEM) indicates that different letters represent significant differences between the treatment groups ( p < 0.05 ).

圖7(A)與圖7(B)顯示安卓奎諾爾之降血糖功效，於胰島素抗性條件下，經由口服葡萄醣耐受性試驗(oral glucose tolerance test，OGTT)而得：圖7(A)顯示安卓奎諾爾(Ant)在口服葡萄醣耐受性試驗(OGTT)之AUC(相較於對照組之比率)；其中該血糖變化以AUC(曲線下之面積，area under curve)表示，其小鼠經S961(一種胰島素受體拮抗劑，用於模擬DM)處理，劑量為40nmol/kg體重(Bwt)，之後分別以作為陽性對照組之100mg/kg Bwt之二甲雙胍(Met)、50mg/kg Bwt之安卓奎諾爾(Ant)，以及10mg/kg Bwt西他列汀(Sit)處理；隨後所有小鼠皆以2g/kg Bwt之D-葡萄醣處理(各組樣本數n=5)；其中數據以平均值與平均值的標準差(平均值±SEM)表 示，不同字母代表各處理組之間的顯著差異(p<0.05)。 Figures 7 (A) and 7 (B) show the hypoglycemic effect of Android quinol, which is obtained through an oral glucose tolerance test (OGTT) under insulin resistance conditions: Figure 7 (A) Shows the AUC (ratio to the control group) of Android quinol (Ant) in the oral glucose tolerance test (OGTT); where the blood glucose change is expressed as AUC (area under curve), and its mice After treatment with S961 (an insulin receptor antagonist used to simulate DM), the dose was 40nmol / kg body weight (Bwt), followed by 100 mg / kg Bwt metformin (Met) and 50 mg / kg Bwt Android quinol (Ant), and 10mg / kg Bwt sitagliptin (Sit) treatment; all mice were then treated with 2g / kg Bwt D-glucose (n = 5 in each group); The standard deviation of the values from the mean (mean ± SEM) indicates that different letters represent significant differences between the treatment groups ( p < 0.05 ).

圖7(B)顯示(+)-安卓奎諾爾(Ant(+))與(-)-安卓奎諾爾(Ant(-))之功效，於胰島素抗性條件下，經由口服葡萄醣耐受性試驗(OGTT)而得；其中血糖變化以AUC(曲線下之面積)表示，其小鼠經50nmol/kg Bwt之S961處理，之後口服投予(p.o.)50mg/kg Bwt之(+)-安卓奎諾爾(Ant(+))或(-)-安卓奎諾爾(Ant(-))(溶於PEG與EtOH中)，隨後所有小鼠皆以2g/kg Bwt之D-葡萄醣與D-葡萄醣(2g/kg Bwt)處理，並進行OGTT試驗；其中數據以平均值與平均值的標準差(平均值±SEM)表示，不同字母代表各處理組之間的顯著差異(p<0.05)。 Fig. 7 (B) shows the efficacy of (+)-Andrinoquinol (Ant (+)) and (-)-Andrinoquinol (Ant (-)) under the condition of insulin resistance through an oral glucose tolerance test (OGTT); where the blood glucose change is expressed as AUC (area under the curve), the mice were treated with S961 at 50 nmol / kg Bwt, and then (po) 50 mg / kg Bwt (+)-Android quinol was orally administered (Ant (+)) or (-)-Androidquinol (Ant (-)) (dissolved in PEG and EtOH), then all mice were treated with 2g / kg Bwt of D-glucose and D-glucose (2g / kg Bwt) treatment and OGTT test; the data are expressed by the mean and standard deviation of the mean (mean ± SEM), and different letters represent significant differences between the treatment groups ( p < 0.05 ).

圖8顯示於短期處理之DIO小鼠其安卓奎諾爾之降血糖功效；其中該DIO小鼠以25mg/kg Bwt之安卓奎諾爾(Ant)或20mg/kg Bwt之西他列汀(Sit)處理，並進行口服葡萄醣耐受性試驗以測定小鼠(各組樣本數n=5)之血糖變化(以AUC表示)；其中數據係以平均值與平均值的標準差(平均值±SEM)表示，不同字母代表各處理組之間的顯著差異(p<0.05)。 Figure 8 shows the hypoglycemic effect of Android quinol in DIO mice treated for a short period of time; wherein the DIO mice were treated with 25 mg / kg Bwt Android quinol (Ant) or 20 mg / kg Bwt Sitagliptin (Sit) And, an oral glucose tolerance test was performed to determine the change in blood glucose (represented by AUC) in mice (n = 5 in each group); the data are expressed as the mean and the standard deviation of the mean (mean ± SEM) The different letters represent significant differences between the treatment groups ( p < 0.05 ).

圖9顯示於長期處理之DIO小鼠其安卓奎諾爾之降血糖功效；其中DIO小鼠以25mg/kg Bwt之安卓奎諾爾(Ant)或10mg/kg Bwt之西他列汀(Sit)處理4週(各組樣本數n=5)，並進行口服葡萄醣耐受性試驗以測定小鼠(各組樣本數n=5)之血糖變化(以AUC表示)；其中數據以平均值與平均值的標準差(平均值±SEM)表示，不同字母代表各處理組之間的顯著差異(p<0.05)。 Figure 9 shows the hypoglycemic effect of Android quinol in long-term treated DIO mice; wherein DIO mice were treated with 25 mg / kg Bwt Android quinol (Ant) or 10 mg / kg Bwt Sitagliptin (Sit) 4 Week (samples of each group n = 5), and an oral glucose tolerance test was performed to determine the change in blood glucose (expressed as AUC) of mice (samples of each group n = 5); where the data are the average and average The standard deviation (mean ± SEM) indicates that different letters represent a significant difference between the treatment groups ( p < 0.05 ).

除非另有定義，本文所使用之所有技術與科學術語具有與熟 習本發明技術領域者一般認知的相同意義。在衝突的情況下，本文件，包括定義將被控制。 Unless otherwise defined, all technical and scientific terms used herein have the same meaning. Those of ordinary skill in the art will recognize the same meaning. In case of conflict, this document, including definitions, will be controlled.

本文所使用之單數形式「一」、「一者」與「該」包括複數參考物，除非本文另有明確指出。因此，例如，提及「一樣本」係包括複數個此類樣本與此技術領域者所知之等同物。 As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly indicates otherwise. Thus, for example, reference to "the same" includes a plurality of such samples as equivalents known to those skilled in the art.

本文所使用之下列縮寫係代表本發明化合物：甲基(methyl，「Me」)、p-甲氧基芐基(p-methoxybenzyl，「PMB」)、第三-丁基二甲基矽基(tert-butyldimethylsilyl，「TBS」)，以及甲氧基甲基(methoxymethyl，「MOM」)。 As used herein, the following abbreviations are representatives of the compounds of the present invention: methyl (methyl, "Me"), P - methoxybenzyl (p -methoxybenzyl, "PMB"), a third - butyldimethyl silicon based ( tert -butyldimethylsilyl ("TBS"), and methoxymethyl ("MOM").

本文所使用之術語「個體」係指一人類或一哺乳動物，如一病患，一陪伴動物(如狗、貓與類似動物)、一農場動物(如母牛、綿羊、豬、馬與類似動物)或一實驗室動物(如大鼠、小鼠、兔子與類似動物)。 The term "individual" as used herein refers to a human or a mammal, such as a patient, a companion animal (such as a dog, cat, and similar animals), a farm animal (such as a cow, sheep, pig, horse, and similar animals) ) Or a laboratory animal (such as rats, mice, rabbits and similar animals).

本發明首次發現安卓奎諾爾具有抑制二肽基胜肽酶-4(Dipeptidyl peptidase-4，DPP4)活性之作用，及/或增強AMP-活化型蛋白質激酶(AMP-activated protein kinase，AMPK)之活化作用。本發明證實安卓奎諾爾可提供類似於或優於治療糖尿病之藥物的功效，特別是第二型糖尿病(T2DM)，藉由類似於第一線藥物二甲雙胍之作用以增強AMPK活化作用，及/或藉由類似西他列汀之作用以抑制DPP4活性。因此，本發明提供一種用於糖尿病治療的新穎方法/醫藥組合物，具體而言為第二型糖尿病(T2DM)、改進葡萄醣攝取，以及於高血糖小鼠中(DM小鼠)之血糖控制，具體而言為該等具有胰島素抗性者。此外，亦證實安卓奎諾爾可與胰島素結合產生協同效應。 The present invention finds for the first time that Android quinol has the effect of inhibiting the activity of dipeptidyl peptidase-4 (DPP4), and / or enhancing the activation of AMP-activated protein kinase (AMPK) effect. The present invention confirms that Android quinol can provide efficacy similar to or better than that of drugs for treating diabetes, especially type 2 diabetes (T2DM), which enhances AMPK activation by acting similarly to the first-line drug metformin and / or DPP4 activity is inhibited by a similar effect to sitagliptin. Therefore, the present invention provides a novel method / medical composition for the treatment of diabetes, specifically type 2 diabetes (T2DM), improved glucose uptake, and blood glucose control in hyperglycemic mice (DM mice), Specifically, those who are insulin resistant. In addition, it has been confirmed that Android quinol can synergize with insulin.

根據本發明，用於治療個體之糖尿病的方法包含投予該個體一醫藥組合物，其包含一醫藥上可接受之載體與一治療有效量之具通式(I)的化合物： 其中X與Y係相同或相異，獨立地為氧或硫，R1、R2、R3與R4之每一者係氫原子、甲基或(CH2)m-CH3，m係1至12之整數，以及n係1至12之整數。 According to the present invention, a method for treating diabetes in an individual comprises administering to the individual a pharmaceutical composition comprising a pharmaceutically acceptable carrier and a therapeutically effective amount of a compound of general formula (I): Where X and Y are the same or different, and are independently oxygen or sulfur, each of R 1 , R 2 , R 3 and R 4 is a hydrogen atom, a methyl group or (CH 2 ) m -CH 3 , and m is An integer from 1 to 12, and n is an integer from 1 to 12.

該具通式(I)的化合物可分離自牛樟芝，其使用本技術領域者所知之一般已知技術或標準方法學。 The compound of general formula (I) can be isolated from Antrodia cinnamomea, using generally known techniques or standard methodologies known to those skilled in the art.

化合物之一實例係安卓奎諾爾，其具有一下列通式(II)： An example of a compound is Android quinol, which has the following general formula (II):

安卓奎諾爾為僅發現於牛樟芝發酵物中之習知化合物，(Kuo et al.,Novel compounds from antrodia camphorata,US20100130584A1)。在傳統方法中，自發酵物中純化安卓奎諾爾之費用相當高且回收率相當低。安卓奎諾爾包括(+)與(-)-安卓奎諾爾，然而，(-)-安卓奎諾爾在本發明之前並未被分離出。該(+)-安卓奎諾爾具有通式(III)： Android quinol is a known compound found only in Antrodia camphorata ferment (Kuo et al., Novel compounds from antrodia camphorata, US20100130584A1). In the traditional method, the purification cost of Android quinol from the fermented material is relatively high and the recovery rate is relatively low. Android quinol includes (+) and (-)-Android quinol, however, (-)-Android quinol has not been separated before the present invention. The (+)-Android quinol has the general formula (III):

另一方面，該(-)-安卓奎諾爾具通式(IV)，其係於本發明中首次被合成出： On the other hand, the (-)-Android quinol has the general formula (IV), which is synthesized for the first time in the present invention:

在本發明之實施例中，經(-)-安卓奎諾爾處理之細胞的細胞存活率類似於對照組(Con)，如圖1所示，顯示(-)-安卓奎諾爾為非毒性。 In the embodiment of the present invention, the cell survival rate of the cells treated with (-)-Andrioquinol is similar to the control group (Con), as shown in FIG. 1, which shows that (-)-Andrioquinol is non-toxic.

本發明亦提供一種新穎之安卓奎諾爾全合成方法。安卓奎諾爾之製備方法包含二乙基鋅之不對稱加成作用、克來森重排作用、合環置換反應，以及內酯化作用等步驟。 The invention also provides a novel total synthesis method of Android quinol. The preparation method of Android quinol includes the steps of asymmetric addition of diethylzinc, Claisen rearrangement, ring replacement reaction, and lactonization.

此方法為一種對掌選擇性合成法(enantioselective synthesis)，涉及經一銥催化之烯烴異構物化(iridium-catalyzed olefin isomerization)-克來森重排反應(isomerization-Claisen rearrangement，ICR)、一內酯化反應與一格拉布(Grubbs)合環置換反應以建立三個立體中心。該必要的α,β-不飽和反應係使用一硒化/氧化流程所達成。 This method is an enantioselective synthesis involving iridium-catalyzed olefin isomerization-isomerization-Claisen rearrangement (ICR), The esterification reaction was combined with a Grubbs ring displacement reaction to establish three stereocenters. This necessary α, β-unsaturation is achieved using a selenization / oxidation process.

該(+)-安卓奎諾爾之全合成方法係根據下列流程所進行： The (+)-Android quinol total synthesis method is performed according to the following process:

在上述製備安卓奎諾爾之流程中，發現某些新化合物並提供於本發明中，包括： ，以及 In the above process for preparing Android quinol, certain new compounds were discovered and provided in the present invention, including: ,as well as

此外，本發明提供一具通式(I)的化合物用於製備用於治療糖尿病之組合物或藥物之新用途。 In addition, the present invention provides a new use of a compound having the general formula (I) for preparing a composition or a medicament for treating diabetes.

本發明亦提供一種用於治療糖尿病之醫藥組合物，包含治療有效量之具通式(I)的化合物。 The present invention also provides a pharmaceutical composition for treating diabetes, comprising a therapeutically effective amount of a compound having the general formula (I).

此外，本發明提供一種用於治療糖尿病之醫藥組合物，包含胰島素或胰島素類似物與具通式(I)的化合物之組合。 In addition, the present invention provides a pharmaceutical composition for treating diabetes, comprising a combination of insulin or an insulin analog and a compound having the general formula (I).

在根據本發明之醫藥組合物之一實施例中，具通式(I)的化合物為安卓奎諾爾，具體而言為(+)或(-)-安卓奎諾爾。 In one embodiment of the pharmaceutical composition according to the present invention, the compound having the general formula (I) is Android quinol, specifically (+) or (-)-Android quinol.

本文所使用之「治療有效量」乙詞是指可有效達成所欲之治療目的之試劑量。特定試劑之治療有效量會根據一些因素如試劑特性、投藥路徑、接受該試劑之動物大小與物種，以及投藥目的而有不同。每一單獨案例之治療有效量可由熟習之技術人員，根據本文之揭示內容與技術上已建立之方法，依經驗而決定。 As used herein, the term "therapeutically effective amount" refers to the amount of an agent that can effectively achieve the desired therapeutic purpose. The therapeutically effective amount of a particular agent will vary depending on factors such as the characteristics of the agent, the route of administration, the size and species of the animal receiving the agent, and the purpose of administration. The therapeutically effective amount of each individual case can be determined by experienced technicians based on the disclosure and technically established methods of this article, based on experience.

本文所使用之「胰島素類似物」乙詞，亦稱之為「胰島素受 體配位體」，係指胰島素之變化形式，不同於自然界發生者，但仍能於人體中進行與人類胰島素相同之血糖控制作用。胰島素類似物可經由DNA之基因工程而得，經修飾之胰島素胺基酸序列可改變其吸收、分佈、代謝與分泌特性。胰島素類似物之實例包括但不限於Hirsch於"Insulin analogues",New England J Med 2005；352：174-183,2005，一文中所述者。 As used herein, the term "insulin analog" is also referred to as "insulin receptor "Ligand ligand" refers to a variation of insulin, which is different from those occurring in nature, but can still perform the same blood glucose control effect in humans as human insulin. Insulin analogs can be obtained by genetic engineering of DNA. Modified insulin amino acid sequences can change its absorption, distribution, metabolism and secretion characteristics. Examples of insulin analogs include, but are not limited to, those described in Hirsch, "Insulin analogues", New England J Med 2005; 352: 174-183, 2005.

本發明之醫藥組合物可以任何適當之途徑投藥，包括但不限於非經腸胃或口服投藥。用於非經腸胃投藥之醫藥組合物包括溶液、懸浮液、乳液，以及可在使用前立即溶解或懸浮於溶劑之固體可注射組合物。該注射液可藉由溶解、懸浮或乳化一或多種活性成分於稀釋劑中而製備。該稀釋劑之實例為用於注射之蒸餾水、生理食鹽水、蔬菜油、酒精及其組合。此外，該注射液可包含穩定劑、助溶劑、懸浮劑、乳化劑、舒緩劑、緩衝劑、防腐劑等。注射液於最終配製步驟中滅菌或以無菌流程製備。 The pharmaceutical composition of the present invention can be administered by any appropriate route, including but not limited to parenteral or oral administration. Pharmaceutical compositions for parenteral administration include solutions, suspensions, emulsions, and solid injectable compositions that can be dissolved or suspended in a solvent immediately before use. The injection can be prepared by dissolving, suspending or emulsifying one or more active ingredients in a diluent. Examples of the diluent are distilled water for injection, physiological saline, vegetable oil, alcohol, and combinations thereof. In addition, the injection solution may contain stabilizers, solubilizers, suspending agents, emulsifiers, soothing agents, buffering agents, preservatives, and the like. The injection is sterilized in the final formulation step or prepared in a sterile process.

根據本發明，該組合物可經口服途徑投藥，其中該組合物可為固體或液體形式。該固體組合物包括藥錠、藥丸、膠囊、可分散粉末、顆粒及類似物。該口服組合物亦包括可置於口腔之漱口藥與舌下藥錠。該膠囊包括硬膠囊與軟膠囊。用於口服投藥之固體組合物中，一或多種活性化合物可單獨與稀釋劑、黏著劑、崩解劑、潤滑劑、穩定劑、助溶劑混合，接著以一般方式配製為製劑。當有需要時，此製劑可以被塗覆試劑塗覆，或可以二或多個塗層塗覆。另一方面，該口服投藥之液體組合物包括醫藥上可接受之水溶液、懸浮液、乳液、糖漿、酏劑，及其類似物。在此組合物中，一或多種活性化合物可溶解、懸浮或乳化於一般使用之稀釋劑中(如純水、乙醇或其混合物等)。除了此類稀釋劑外，組合物亦可包含濕潤劑、 懸浮劑、乳化劑、增甜劑、調味劑、香料、防腐劑與緩衝劑及其類似物。 According to the invention, the composition can be administered via an oral route, wherein the composition can be in solid or liquid form. The solid composition includes tablets, pills, capsules, dispersible powders, granules and the like. The oral composition also includes mouthwash and sublingual tablets that can be placed in the mouth. The capsule includes hard capsules and soft capsules. In a solid composition for oral administration, one or more active compounds may be separately mixed with a diluent, an adhesive, a disintegrant, a lubricant, a stabilizer, a co-solvent, and then formulated into a preparation in a general manner. This formulation may be coated with a coating agent when necessary, or it may be coated with two or more coatings. In another aspect, the liquid composition for oral administration includes pharmaceutically acceptable aqueous solutions, suspensions, emulsions, syrups, elixirs, and the like. In this composition, one or more active compounds can be dissolved, suspended, or emulsified in a commonly used diluent (such as pure water, ethanol, or a mixture thereof). In addition to such diluents, the composition may also include a wetting agent, Suspensions, emulsifiers, sweeteners, flavoring agents, flavors, preservatives and buffers and the like.

下列特定實例應理解為僅用於說明，而非以任何方式侷限本文之其餘部分。未經進一步闡釋，一般相信熟習此技術領域者可根據本文所描述者，詳盡利用本發明。 The following specific examples should be understood as illustrative only, and not in any way limiting the rest of the text. Without further explanation, it is generally believed that those skilled in the art can make full use of the present invention based on those described herein.

實施例Examples 實施例1 安卓奎諾爾之製備Example 1 Preparation of Android Quinol

安卓奎諾爾之全合成係以對映選擇性合成法進行，涉及一經銥催化之烯烴異構物化-克來森重排反應(ICR)、一內酯化反應及一格拉布合環置換反應以建立三個立體中心，其中該必要的α,β-不飽和反應係以硒化/氧化流程所達成。 The total synthesis of Android quinol is carried out by enantioselective synthesis, involving an iridium-catalyzed isomerization of olefins-Claisen rearrangement reaction (ICR), a lactonization reaction, and a Grubb ring substitution reaction to Three stereocenters are established, where the necessary α, β-unsaturation is achieved by a selenization / oxidation process.

1.1 (+)-安卓奎諾爾之流程1.1 (+)-The process of Android Quinol

該(+)-安卓奎諾爾之全合成係根據下列流程進行： The (+)-Android Quinol's total synthesis is performed according to the following process:

1.2 (-)-安卓奎諾爾之流程1.2 (-)-The process of Android Quinol

該(-)-安卓奎諾爾之全合成係根據下列流程進行： The (-)-Android Quinol's total synthesis is performed according to the following process:

1.3 特性1.3 Features

該安卓奎諾爾之光譜數據係提供如下： [α]D 25：+42.5°(c=1.20，於CHCl3中)。IR(薄膜)：3435,2926,1659.3,1622,1451,1358,1240,1141,1017,944,832,749cm-1。1H-NMR(400MHz,CDCl3)：δ 5.16(m,1H),5.08(m,2H),4.34(d,J=3.24Hz,1H),4.06(s,3H),3.66(s,3H),2.52(m,1H),2.23(dd,J=7.48Hz,J=7.44Hz,2H),1.97-2.09(m,9H),1.75(m,1H),1.67(s,3H),1.66(s,3H),1.60(s,6H),1.17(d,J=6.92Hz,3H)。13C-NMR(100.6MHz,CDCl3)：δ 197.12,160.49,138.03,135.92,135.34,131.31,124.31,123.85,120.99,67.91,60.58,59.19,43.40,40.27,39.81,39.71,27.00,26.74,26.45,25.69,17.67,16.12,16.01,12.31。C26H42O5之HRMS-EI(m/z)[M]+計算值為390.2770，觀測值為390.2764。 The spectral data of this Android quinol is provided as follows: [α] D 25 : + 42.5 ° (c = 1.20 in CHCl 3 ). IR (thin film): 3435, 2926, 1659.3, 1622, 1451, 1358, 1240, 1141, 1017, 944, 832, 749 cm -1 . 1 H-NMR (400MHz, CDCl 3 ): δ 5.16 (m, 1H), 5.08 (m, 2H), 4.34 (d, J = 3.24Hz, 1H), 4.06 (s, 3H), 3.66 (s, 3H ), 2.52 (m, 1H), 2.23 (dd, J = 7.48Hz, J = 7.44Hz, 2H), 1.97-2.09 (m, 9H), 1.75 (m, 1H), 1.67 (s, 3H), 1.66 (s, 3H), 1.60 (s, 6H), 1.17 (d, J = 6.92 Hz, 3H). 13 C-NMR (100.6 MHz, CDCl 3 ): δ 197.12, 160.49, 138.03, 135.92, 135.34, 131.31, 124.31, 123.85, 120.99, 67.91, 60.58, 59.19, 43.40, 40.27, 39.81, 39.71, 27.00, 26.74, 26.45 , 25.69, 17.67, 16.12, 16.01, 12.31. The calculated value of HRMS-EI (m / z) [M] + of C 26 H 42 O 5 is 390.2770, and the observed value is 390.2764.

1.4 新穎化合物之特性1.4 Characteristics of novel compounds

在製備安卓奎諾爾之過程中，發現下列新穎化合物： 該光譜數據係提供如下：1H-NMR(400MHz,CDCl3)：δ 9.64(d,J=2.20Hz,1H),7.23(m,3H),6.87(d,J=8.60Hz,2H),5.49(m,1H),5.18(m,1H),4.42(d,J=11.52Hz,1H),4.36(d,J=11.52Hz,1H),3.80(s,3H),3.40(m,2H),2.34(m,1H),2.30(m,1H),2.02(m,2H),1.70(m,1H),1.56(m,1H),1.05(d,J=5.72Hz,3H),0.96(t,J=4.08Hz,3H)； 該光譜數據係提供如下：[α]D 25：-13.3°(c=1.05，於CHCl3中)。IR(薄膜)：2929,1729,1463,1255,1099,835cm-1。1H-NMR(400MHz,CDCl3)：δ 4.52(t,J=5.52Hz,1 H),3.72(dd,J=5.20Hz,J=1.81Hz,1H),3.53(dd,J=8.02Hz,J=5.40Hz,1H),3.46(s,3H),3.37(s,3H),3.24(dd,J=5.28Hz,J=2.32Hz,1H),2.62(dd,J=17.48Hz,J=8.04,Hz1H),2.30(m,2H),1.33(m,1H),0.98(d,J=6.60Hz,3H),0.86(s,9H),0.07(s,3H),0.02(s,3H)。13C-NMR(100.6MHz,CDCl3)：176.35,82.57,81.29,77.72,73.93,58.85,58.36,38.76,38.40,34.47,25.83,18.07,17.31,-4.15,-4.65。C17H32O5Si之HRMS-EI(m/z)[M]+計算值為344.2019，觀測值為344.2015；以及 該光譜數據係提供如下：[α]D 25：-69.9°(c=1.15，於CHCl3中)。IR(薄膜)：2926,1725,1651,1633,1458,1449,1119,1031cm-1.1H-NMR(400MHz,CDCl3)：δ 5.09(m,3H),4.74(d,J=6.84Hz,1H),4.69(d,J=6.84Hz,1H),4.25(d,J=2.64Hz,1H),4.10(t,J=3.48Hz,1H),3.87(t,J=3.08Hz,1H),3.48(s,3H),3.46(s,3H),3.43(s,3H),2.19(m,1H),1.94-2.08(m,10H),1.36 (s,3H),1.33(s,3H),1.32(s,6H),1.25(m,1H),1.07(d,J=6.52Hz,3H)。13C-NMR(100.6MHz,CDCl3)：δ 207.87,136.84,135.23,131.23,124.28,123.95,122.07,98.29,83.96,83.03,76.25,58.99,58.53,56.09,44.46,44.02,39.75,39.71,27.25,26.73,26.57,25.66,17.64,16.21,15.97,11.09。C26H44O5之HRMS-EI(m/z)[M]+計算值為436.3189，觀測值為436.3184。 During the preparation of Android Quinol, the following novel compounds were found: The spectral data are provided as follows: 1 H-NMR (400 MHz, CDCl 3 ): δ 9.64 (d, J = 2.20 Hz, 1 H), 7.23 (m, 3 H), 6.87 (d, J = 8.60 Hz, 2H), 5.49 (m, 1H), 5.18 (m, 1H), 4.42 (d, J = 11.52Hz, 1H), 4.36 (d, J = 11.52Hz, 1H), 3.80 (s, 3H), 3.40 (m, 2H ), 2.34 (m, 1H), 2.30 (m, 1H), 2.02 (m, 2H), 1.70 (m, 1H), 1.56 (m, 1H), 1.05 (d, J = 5.72 Hz, 3H), 0.96 (t, J = 4.08Hz, 3H); The spectral data is provided as follows: [α] D 25 : -13.3 ° (c = 1.05 in CHCl 3 ). IR (thin film): 2929,1729,1463,1255,1099,835cm -1 . 1 H-NMR (400 MHz, CDCl 3 ): δ 4.52 (t, J = 5.52 Hz, 1 H), 3.72 (dd, J = 5.20 Hz, J = 1.81 Hz, 1 H), 3.53 (dd, J = 8.02 Hz , J = 5.40Hz, 1H), 3.46 (s, 3H), 3.37 (s, 3H), 3.24 (dd, J = 5.28Hz, J = 2.32Hz, 1H), 2.62 (dd, J = 17.48Hz, J = 8.04, Hz1H), 2.30 (m, 2H), 1.33 (m, 1H), 0.98 (d, J = 6.60Hz, 3H), 0.86 (s, 9H), 0.07 (s, 3H), 0.02 (s, 3H). 13 C-NMR (100.6 MHz, CDCl 3 ): 176.35, 82.57, 81.29, 77.72, 73.93, 58.85, 58.36, 38.76, 38.40, 34.47, 25.83, 18.07, 17.31, -4.15, -4.65. HRMS-EI (m / z) [M] + calculated for C 17 H 32 O 5 Si is 344.2019 and observed 344.2015; and The spectral data is provided as follows: [α] D 25 : -69.9 ° (c = 1.15 in CHCl 3 ). IR (thin film): 2926, 1725, 1651, 1633, 1458, 1449, 1119, 1031cm -1 . 1 H-NMR (400MHz, CDCl 3 ): δ 5.09 (m, 3H), 4.74 (d, J = 6.84Hz , 1H), 4.69 (d, J = 6.84Hz, 1H), 4.25 (d, J = 2.64Hz, 1H), 4.10 (t, J = 3.48Hz, 1H), 3.87 (t, J = 3.08Hz, 1H ), 3.48 (s, 3H), 3.46 (s, 3H), 3.43 (s, 3H), 2.19 (m, 1H), 1.94-2.08 (m, 10H), 1.36 (s, 3H), 1.33 (s, 3H), 1.32 (s, 6H), 1.25 (m, 1H), 1.07 (d, J = 6.52Hz, 3H). 13 C-NMR (100.6 MHz, CDCl 3 ): δ 207.87,136.84,135.23,131.23,124.28,123.95,122.07,98.29,83.96,83.03,76.25,58.99,58.53,56.09,44.46,44.02,39.75,39.71,27.25. , 26.73, 26.57, 25.66, 17.64, 16.21, 15.97, 11.09. The calculated value of HRMS-EI (m / z) [M] + of C 26 H 44 O 5 is 436.3189, and the observed value is 436.3184.

實施例2 (+)-安卓奎諾爾及(-)-安卓奎諾爾之作用Example 2 (+)-Android Quinol and (-)-Android Quinol 2.1 MTT試驗2.1 MTT test

進行3-(4,5-二甲基噻唑-2-基)-2,5-二苯基四氮唑溴鹽(3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide)(MTT,Invitrogen,USA)之比色基礎試驗以分析細胞存活率。 3- (4,5-dimethylthiazol-2-yl) -2,5-diphenyltetrazolium bromide (3- (4,5-dimethylthiazol-2-yl) -2,5-diphenyltetrazolium bromide) (MTT, Invitrogen, USA) colorimetric basis test to analyze cell viability.

該LNCaP細胞以每孔7×103個細胞之密度種植於96孔培養盤中並於37℃之5% CO2條件下培養整夜。該細胞係以10μM(+)-安卓奎諾爾或(-)-安卓奎諾爾處理48小時，隨後每孔加入MTT溶液，並於培養盤中繼續培養4小時。移除培養液，每孔加入100μL之DMSO以溶解甲臢(formazan)，並利用微量培養盤分析儀以570nm測定每一孔之OD值(Thermo Labsystems,Opsys MR,Thermo fisher scientific,Waltham,MA,USA)。 The LNCaP cells were seeded at a density of 7 × 10 3 cells per well in a 96-well culture plate and cultured overnight at 37 ° C. under 5% CO 2 condition. The cell line was treated with 10 μM (+)-Andrioquinol or (-)-Andrioquinol for 48 hours, then MTT solution was added to each well, and the culture was continued in a culture plate for 4 hours. Remove the culture solution, add 100 μL of DMSO to each well to dissolve formazan, and determine the OD value of each well at 570 nm using a microplate analyzer (Thermo Labsystems, Opsys MR, Thermo fisher scientific, Waltham, MA, USA).

如圖1所示，該細胞經(-)-安卓奎諾爾處理後之細胞存活率，類似於對照組(Con)，顯示(-)-安卓奎諾爾為非毒性。 As shown in FIG. 1, the cell survival rate of the cells treated with (-)-Android quinol was similar to the control group (Con), showing that (-)-Android quinol was non-toxic.

實施例3 安卓奎諾爾對於DPP4酵素活性之抑制作用Example 3 Inhibitory effect of Android quinol on DPP4 enzyme activity

二肽基胜肽酶-4(DPP4)，亦稱作腺苷酸去胺酶錯合物蛋白2(adenosine deaminase complexing protein 2)或CD26(分化集群26，cluster of differentiation 26)，為一種治療DM之藥物。DPP4酵素活性係以DPPIV/CD26試驗套組測定(BML-AK498,Enzo,NY,USA)。此試驗係基於顯色受質(H-Gly-Pro-pNA)所斷裂出之p-硝基苯胺(p-nitroaniline，pNA)，其會增加於405nm之吸光值。首先於96孔透明微量培養盤之每孔加入50μL之試驗緩衝液(50mM甘胺酸(Glycine)，pH 8.7，1mM EDTA)，之後加入20μL之DPP4酵素(13μU/μL)、20μL之測試抑制劑、100μM之安卓奎諾爾或習知臨床藥物西他列汀，最後依序將10μL之pNA受質加入每一孔。反應混合物於室溫下(room temperature，RT)培養30min之後，利用ELISA盤讀儀(Thermo Labsystems,Opsys MR,Thermo fisher scientific)以405nm讀取每一樣本之吸光值。 Dipeptidyl peptidase-4 (DPP4), also known as adenosine deaminase complex 2 (CD26) or CD26 (cluster of differentiation 26), is a treatment for DM Drugs. DPP4 enzyme activity was measured using the DPPIV / CD26 test set (BML-AK498, Enzo, NY, USA). This test is based on the color receiving quality (H-Gly-Pro-pNA ) to the fracture of the p - nitroaniline (p -nitroaniline, pNA), which will increase in the absorbance of 405nm. First add 50 μL of test buffer (50 mM glycine, pH 8.7, 1 mM EDTA) to each well of a 96-well transparent microplate, and then add 20 μL of DPP4 enzyme (13 μU / μL) and 20 μL of test inhibitor. , 100 μM Android quinol or the known clinical drug sitagliptin, and finally add 10 μL of pNA substrate to each well. After the reaction mixture was incubated at room temperature (RT) for 30 min, the absorbance of each sample was read at 405 nm using an ELISA disk reader (Thermo Labsystems, Opsys MR, Thermo fisher scientific).

100μM安卓奎諾爾(Ant)之DPP4活性係與習知臨床藥物西他列汀(Sit)進行比較。如圖2所示，安卓奎諾爾(Ant)提供一類似於西他列汀(Sit)之DPP4活性抑制功效，其中該抑制比率(相較於未處理之對照組)達到50%。 The DPP4 activity of 100 μM Android quinol (Ant) was compared with the known clinical drug sitagliptin (Sit). As shown in FIG. 2, Android quinol (Ant) provides a DPP4 activity inhibition effect similar to sitagliptin (Sit), wherein the inhibition ratio (compared to the untreated control group) reaches 50%.

實施例4 安卓奎諾爾對於誘發AMPK Thr172磷酸化及胰島素訊息路徑之影響Example 4 Effect of Android Quinol on Inducing AMPK Thr172 Phosphorylation and Insulin Message Pathway 4.1 小鼠肌肉肌母細胞(C2C12)之培養及維持4.1 Culture and maintenance of mouse muscle myoblasts (C2C12)

小鼠肌肉肌母細胞(C2C12)係獲自食品工業發展研究所(FIRDI,Hsinchu,Taiwan)。該細胞係生長並培養於內含高濃度葡萄糖(DMEM-高葡萄糖；GIBCO,Carlsbad,CA,USA)之DMEM(Dulbecco's Modified Eagle's Medium)培養基並補充10%胎牛血清(fetal bovine serum，FBS)(GIBCO)及1%青黴素/鏈黴素(penicillin streptomycin)(GIBCO)， 並培養於含有5% CO2之37℃細胞培養箱。在實驗之前，細胞以每孔8×103個細胞的密度種植並培養於96孔培養盤或以每孔2.5×105個細胞的密度種植並培養於6孔培養盤。在該肌母細胞長滿至80%時，將該細胞於補充1% FBS及1%馬血清之DMEM-高葡萄糖培養基中培養4天以誘發分化成肌小管。 Mouse muscle myoblasts (C2C12) were obtained from the Food Industry Development Institute (FIRDI, Hsinchu, Taiwan). This cell line was grown and cultured in DMEM (Dulbecco's Modified Eagle's Medium) medium containing high concentration of glucose (DMEM-High Glucose; GIBCO, Carlsbad, CA, USA) and supplemented with 10% fetal bovine serum (FBS) ( GIBCO) and 1% penicillin streptomycin (GIBCO), and cultured in a 37 ° C cell incubator containing 5% CO 2 . Prior to the experiment, cells were seeded at a density of 8 × 10 3 cells per well and cultured in a 96-well culture dish or at a density of 2.5 × 10 5 cells per well and cultured in a 6-well culture dish. When the myoblasts were 80% full, the cells were cultured in DMEM-high glucose medium supplemented with 1% FBS and 1% horse serum for 4 days to induce differentiation into muscle tubules.

4.2 小鼠肌肉肌母細胞(L6)之培養及維持4.2 Culture and maintenance of mouse muscle myoblasts (L6)

小鼠肌肉肌母細胞(L6)贈自Hitoshi Ashida教授之實驗室(Kobe University,Kobe,Japan)。該細胞係生長及培養於補充有10%胎牛血清(FBS,GIBCO)及1%青黴素/鏈黴素(GIBCO)之α-最低必需培養基(α-MEM,12000022,GIBCO)，並培養於內含5% CO2之37℃細胞培養箱。在實驗之前，該細胞係以每孔8×103個細胞的密度種植及培養於96孔培養盤或以每孔2.5×105個細胞的密度種植及培養於6孔培養盤。在肌母細胞長滿至80%時，該細胞係於補充有2% FBS之α-MEM中培養5天以誘發分化成肌小管。 Mouse muscle myoblasts (L6) were donated from Professor Hitoshi Ashida's laboratory (Kobe University, Kobe, Japan). This cell line was grown and cultured in α-minimum essential medium (α-MEM, 12000022, GIBCO) supplemented with 10% fetal bovine serum (FBS, GIBCO) and 1% penicillin / streptomycin (GIBCO), and cultured in 37 ° C cell incubator with 5% CO 2 . Before the experiment, the cell line was planted and cultured in a 96-well culture plate at a density of 8 × 10 3 cells per well or planted and cultured in a 6-well culture plate at a density of 2.5 × 10 5 cells per well. When the myoblasts were 80% full, the cells were cultured in α-MEM supplemented with 2% FBS for 5 days to induce differentiation into myotubes.

4.3 大鼠胰臟腫瘤細胞之培養及維持4.3 Culture and maintenance of rat pancreatic tumor cells

大鼠胰臟腫瘤細胞(AR42J)係獲自於食品工業發展研究所(FIRDI，新竹，台灣)。該細胞生長及培養於補充有20%胎牛血清(FBS,GIBCO)及1%青黴素/鏈黴素(GIBCO)及2mM L-麩醯胺酸之DMEM(GIBCO)培養基，並培養於內含5% CO2之37℃細胞培養箱。在實驗之前，該細胞係種植及培養16-24小時。 Rat pancreatic tumor cells (AR42J) were obtained from the Food Industry Development Institute (FIRDI, Hsinchu, Taiwan). The cells were grown and cultured in DMEM (GIBCO) medium supplemented with 20% fetal bovine serum (FBS, GIBCO) and 1% penicillin / streptomycin (GIBCO) and 2 mM L-glutamic acid, and cultured in a culture medium containing 5 % CO 2 in a 37 ° C cell incubator. Prior to the experiment, the cell line was planted and cultured for 16-24 hours.

4.4 西方墨點法4.4 Western blot method

在處理之後，收集該細胞並以冷的KRH緩衝液(含有50mM HEPES、137mM NaCl、4.8mM KCl、1.85mM CaCl2、1.3mM MgSO4)清 洗二次，接著以冰冷RIPA緩衝液(含有50mM Tris-HCl，pH 8.0、150mM NaCl、5mM NaF、1% NP40、1mM正釩酸鈉(sodium orthovanadate)、0.5%脫氧膽酸鈉(sodium deoxycholate)、0.1%十二烷基硫酸鈉(sodium dodecyl sulphate，SDS)、蛋白酶抑制劑及磷酸酶抑制劑(DE-68305,Roche,Mannheim,Germany))裂解並於4℃下培養60分鐘。細胞於4℃下以12,000×g離心30分鐘之後，取出該上清液並以Bradford蛋白質分析法(Bio-Rad,Hercules,CA,USA)定量。利用十二烷基硫酸鈉聚丙烯醯胺凝膠電泳(sodium dodecyl sulphate polyacrylamide gel electrophoresis，SDS-PAGE)將蛋白質分離，接著轉移至PVDF(Perkin Elmer Life Sciences,Boston,MA,USA)薄膜。在室溫(RT)下以溶於TBS/T(含有20mM Tris-Base、137mM NaCl，pH 7.4及0.05% Tween-20)之5%無脂牛奶阻斷墨點薄膜1小時，接著於4℃下以適當之一級抗體培養整夜。在清洗之後，以山葵過氧化酶(horseradish peroxidise，HRP)共軛二級抗體(General Electric,Little Chalfont,Buckinghamshire,UK)培養墨點薄膜1小時。該訊號係以Western LightningTM Plus-ECL(Perkin Elmer Life Sciences)偵測並使該PVDF薄膜係曝光於冷光影像分析儀(LAS)-3000(Fujifilm,Minato,Tokyo,Japan)。分析所取得的數據並比較各處理組之間的差異。 After treatment, the cells were collected and washed twice with cold KRH buffer (containing 50 mM HEPES, 137 mM NaCl, 4.8 mM KCl, 1.85 mM CaCl 2 , 1.3 mM MgSO 4 ), followed by ice-cold RIPA buffer (containing 50 mM Tris -HCl, pH 8.0, 150mM NaCl, 5mM NaF, 1% NP40, 1mM sodium orthovanadate, 0.5% sodium deoxycholate, 0.1% sodium dodecyl sulphate, SDS), protease inhibitor and phosphatase inhibitor (DE-68305, Roche, Mannheim, Germany)) were lysed and cultured at 4 ° C for 60 minutes. After the cells were centrifuged at 12,000 × g for 30 minutes at 4 ° C, the supernatant was removed and quantified by Bradford protein analysis method (Bio-Rad, Hercules, CA, USA). The proteins were separated by sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE), and then transferred to a PVDF (Perkin Elmer Life Sciences, Boston, MA, USA) membrane. Block the ink dot film with 5% fat-free milk dissolved in TBS / T (containing 20 mM Tris-Base, 137 mM NaCl, pH 7.4 and 0.05% Tween-20) at room temperature (RT) for 1 hour, then at 4 ° C Incubate overnight with appropriate primary antibodies. After washing, the ink dot film was incubated with horseradish peroxidise (HRP) conjugated secondary antibody (General Electric, Little Chalfont, Buckinghamshire, UK) for 1 hour. The signal was detected by Western Lightning TM Plus- ECL (Perkin Elmer Life Sciences) and the PVDF film system was exposed to a cold light image analyzer (LAS) -3000 (Fujifilm, Minato, Tokyo, Japan). The data obtained were analyzed and the differences between the treatment groups were compared.

4.5 安卓奎諾爾對於誘發AKT Thr308及AMPK Thr172磷酸化之影響4.5 Effect of Android quinol on AKT Thr308 and AMPK Thr172 phosphorylation

已知骨骼肌的GLUT4轉位需要胰島素依賴型PI3K/AKT活化訊息路徑或胰島素非依賴型AMPK活化路徑。因此，測定AKT及AMPK之活化係以瞭解安卓奎諾爾經由何種路徑之作用(胰島素依賴型路徑或胰 島素非依賴型路徑)誘發GLUT4轉位。在此檢測中，二甲雙胍及胰島素係分別投予以藉由活化AMPK控制葡萄糖攝取並以胰島素訊息路徑作為陽性對照組。 It is known that GLUT4 translocation of skeletal muscle requires an insulin-dependent PI3K / AKT activation message pathway or an insulin-independent AMPK activation pathway. Therefore, the activation of AKT and AMPK is measured to understand the path through which Android quinol acts (insulin-dependent pathway or pancreas). Island-independent pathway) induces GLUT4 translocation. In this test, metformin and insulin were administered separately to control glucose uptake by activating AMPK and the insulin message pathway was used as a positive control group.

該C2C12細胞於補充有1% FBS及1%馬血清之DMEM中培養4天以完全分化。該細胞係以含有0.1% BSA之PBS清洗二次，接著培養於含有0.1% BSA之PBS，並以具有或不具有胰島素、二甲雙胍(Met)及安卓奎諾爾(Ant)處理30分鐘。收集經處理之細胞並以KRH清洗二次，隨即於冰冷之RIPA緩衝液中裂解60分鐘。於4℃下以12,000×g離心30分鐘之後，將上清液保存於-80℃待用。 The C2C12 cells were cultured in DMEM supplemented with 1% FBS and 1% horse serum for 4 days to completely differentiate. The cell line was washed twice with PBS containing 0.1% BSA, then cultured in PBS containing 0.1% BSA, and treated with or without insulin, metformin (Met), and Android quinol (Ant) for 30 minutes. The treated cells were collected and washed twice with KRH, and then lysed in ice-cold RIPA buffer for 60 minutes. After centrifugation at 12,000 × g for 30 minutes at 4 ° C, the supernatant was stored at -80 ° C until use.

該C2C12細胞係以100nM胰島素、16mM二甲雙胍(Met)及25μM安卓奎諾爾(Ant)於37℃下處理30分鐘。隨後，以SDS-PAGE將細胞裂解物分離並以西方墨點法分析磷酸化-AKT(Thr308)及磷酸化-AMPK(Thr172)。包括磷酸-AMPK(Thr172)、AMPKα、磷酸-AKT(Thr308)及AKT(Cell Signalling,Boston,MA,USA)之蛋白質表現量係以西方墨點法及一級抗體檢測及評估。 The C2C12 cell line was treated with 100 nM insulin, 16 mM metformin (Met), and 25 μM Android quinol (Ant) for 30 minutes at 37 ° C. Subsequently, cell lysates were separated by SDS-PAGE and phosphorylated-AKT (Thr308) and phosphorylated-AMPK (Thr172) were analyzed by Western blot method. Protein expression levels including Phospho-AMPK (Thr172), AMPKα, Phosphate-AKT (Thr308) and AKT (Cell Signalling, Boston, MA, USA) are detected and evaluated by Western blot method and primary antibodies.

如圖3(A)所示，胰島素在AKT Thr308磷酸化誘發胰島素訊息路徑，但未發生於二甲雙胍及安卓奎諾爾。 As shown in Figure 3 (A), insulin was induced by AKT Thr308 phosphorylation to induce the insulin message pathway, but did not occur in metformin and Android quinol.

如圖3(B)所示，二甲雙胍(Met)及安卓奎諾爾(Ant)可於小鼠肌母細胞C2C12中提供一AMPK Thr172磷酸化作用；特別地，安卓奎諾爾(Ant)所提供的AMPK Thr172磷酸化效應明顯優於胰島素及二甲雙胍。可被證實的是單獨處理安卓奎諾爾具有於體外改進經由AMPK路徑之胰島素非依賴型GLUT4轉位的能力。 As shown in Figure 3 (B), metformin (Met) and Android quinol (Ant) can provide an AMPK Thr172 phosphorylation in mouse myoblast C2C12; in particular, AMPK provided by Android quinol (Ant) Thr172 phosphorylation effect is significantly better than insulin and metformin. It has been demonstrated that Android quinolol alone has the ability to improve insulin-independent GLUT4 translocation via the AMPK pathway in vitro.

4.7 安卓奎諾爾於抑制DPP4強化昇醣素類似胜肽-1誘發PKA蛋白量之影響4.7 Effect of Android Quinol on DPP4 Enhancement of Glucagon-like Peptide-1 Induced Amount of PKA Protein

已知於胰臟β細胞中，該DPP4之抑制作用有助於腸促胰島素(incretin)胜肽結合至G蛋白偶合受體(GLP-1R與GIP-R)，而該下游路徑主要受cAMP調控，當GLP-1結合至GLP-1R而增進cAMP時，其造成PKA活化影響隨後Ca2+刺激胰島素分泌。 Known in pancreatic beta cells, the inhibitory effect of this DPP4 facilitates the binding of incretin peptides to G protein-coupled receptors (GLP-1R and GIP-R), and this downstream pathway is mainly regulated by cAMP When GLP-1 binds to GLP-1R to enhance cAMP, it causes PKA activation to affect subsequent Ca 2+ stimulation of insulin secretion.

該AR42J細胞係以1nM昇醣素類似胜肽-1(GLP-1(glucagon-like peptide-1),prospecbio,NJ,USA)、1nM促胰島素分泌素-4(Ex-4,Byetta,Eli Lilly,In,USA)及安卓奎諾爾處理48小時，並以GAPDH作為內部對照組。該PKA蛋白質表現量係以西方墨點法測定。 The AR42J cell line uses 1nM glucagon-like peptide-1 (GLP-1 (glucagon-like peptide-1), prospecbio, NJ, USA) and 1nM insulin secretin-4 (Ex-4, Byetta, Eli Lilly). , In, USA) and Android quinol for 48 hours, and GAPDH was used as the internal control group. The expression of PKA protein was determined by Western blot method.

如圖4所示，安卓奎諾爾可於酵素實驗中有效抑制該DPP4酵素活性，接著於AR42J細胞中以該等化合物檢測是否強化昇醣素類似胜肽-1誘發PKA蛋白量。其以昇醣素類似胜肽-1(GLP-1)與促胰島素分泌素-4兩種激素及天然化合物處理細胞以用於測定PKA表現(其中安卓奎諾爾處理組有PKA蛋白量表現)。 As shown in Figure 4, Android quinol can effectively inhibit the DPP4 enzyme activity in enzyme experiments, and then detect whether these compounds enhance AR-like peptide-1 induced PKA protein in AR42J cells with these compounds. Glycogen-like peptide-1 (GLP-1) and insulin secretin-4 hormones and natural compounds were used to measure cells for the determination of PKA performance (including the expression of PKA protein in the Android quinol treatment group).

實施例5 安卓奎諾爾之葡萄糖攝取能力Example 5 Glucose Uptake Capability of Android Quinol

已知葡萄糖攝取係經由將GLUT4招集(recruitment)至細胞膜(GLUT4轉位)其該等轉運子可協助葡萄糖攝取。該葡萄糖攝取能力係藉由該細胞層次(cellular levels)所決定，其控制存在於細胞膜上之GLUT4葡萄糖轉運子的數量。 Glucose uptake is known to assist glucose uptake by recruiting GLUT4 to the cell membrane (GLUT4 translocation) and these transporters. The glucose uptake capacity is determined by the cellular levels, which controls the number of GLUT4 glucose transporters present on the cell membrane.

5.1 GLUT4轉位之測定5.1 Determination of GLUT4 index

C2C12細胞於補充有1% FBS及1%馬血清之DMEM培養基 中培養4天以完全分化。該細胞以含有0.1% BSA之PBS清洗二次，接著分別培養於具有或未具有185μM胰島素(Ins)、16mM二甲雙胍(Met)或50、100與150μM安卓奎諾爾(Ant)之PBS中處理55分鐘(各組樣本數n=5)，隨後置於冰上並立即於室溫下以溶於PBS之1%戊二醛固定10分鐘。在以溶於PBS之0.1M甘胺酸進行10分鐘之終止反應後，該細胞係以含有5%小鼠血清之PBS進行30分鐘阻斷反應。欲決定細胞表面之GLUT4含量，該細胞隨即以含有3%小鼠血清之PBS稀釋之1μg/mL抗GLUT4抗體(Santa Cruz,CA,USA)培養1小時。下一步驟，該細胞係以含有3%小鼠血清之PBS稀釋(1：300)之山葵過氧化酶(HRP)共軛抗山羊IgG之二級抗體(Jackson ImmunoResearch,Suffolk,UK)處理1小時。在以PBS進行沖洗步驟之後，將TMB受質(BioLegend,CA,USA)係加入並於室溫下培養30分鐘，再加入2N H2SO4終止反應。HRP活性係利用分光光度計以450nm之吸光值所測定(EnSpire 2300 Multilabel Reader,Perkin Elmer,Waltham,MA,USA)。 C2C12 cells were cultured in DMEM medium supplemented with 1% FBS and 1% horse serum for 4 days to completely differentiate. The cells were washed twice with PBS containing 0.1% BSA, and then cultured in PBS with or without 185 μM insulin (Ins), 16 mM metformin (Met), or 50, 100, and 150 μM Android quinol (Ant) for 55 minutes. (Samples of each group n = 5), then placed on ice and immediately fixed at room temperature with 1% glutaraldehyde in PBS for 10 minutes. After a 10-minute termination reaction with 0.1M glycine in PBS, the cell line was blocked for 30 minutes in PBS containing 5% mouse serum. To determine the GLUT4 content on the cell surface, the cells were then cultured with 1 μg / mL anti-GLUT4 antibody (Santa Cruz, CA, USA) diluted in PBS containing 3% mouse serum for 1 hour. In the next step, the cell line was treated with a secondary antibody (Jackson ImmunoResearch, Suffolk, UK) of wasabi peroxidase (HRP) conjugated anti-goat IgG diluted in PBS (1: 300) containing 3% mouse serum for 1 hour. . After the washing step with PBS, a TMB substrate (BioLegend, CA, USA) was added and incubated at room temperature for 30 minutes, and then the reaction was terminated by adding 2N H 2 SO 4 . HRP activity was measured using a spectrophotometer at an absorbance of 450 nm (EnSpire 2300 Multilabel Reader, Perkin Elmer, Waltham, MA, USA).

該結果如圖5(A)所示，其顯示安卓奎諾爾對於GLUT4轉位具有類似於胰島素(Ins)之良好作用，且甚至優於二甲雙胍(Met)。 This result is shown in FIG. 5 (A), which shows that Android quinol has a good effect similar to insulin (Ins) on GLUT4 translocation, and is even better than metformin (Met).

另一方面，該分化的C2C12細胞係以胰島素、安卓奎諾爾、及胰島素加上安卓奎諾爾處理40分鐘(各組樣本數n=5)。該結果如圖5(B)所示，其顯示同時以安卓奎諾爾與胰島素處理可提供協同效應。 On the other hand, this differentiated C2C12 cell line was treated with insulin, Android quinol, and insulin plus Android quinol for 40 minutes (the number of samples in each group n = 5). This result is shown in Figure 5 (B), which shows that simultaneous treatment with Android quinol and insulin can provide a synergistic effect.

5.2 葡萄糖攝取試驗5.2 Glucose uptake test

該葡萄糖攝取試驗係遵照先前之研究(Yamamoto et al.,"An enzymatic fluorimetric assay to quantitate 2-deoxyglucose and 2-deoxyglucose-6-phosphate for in vitro and in vivo use." Analytical Biochemistry 404(2)：238-240,2010)並稍作修改且技術上由Hitoshi Ashida教授之實驗室協助(Kobe University,Kobe,Japan)。該種植於96孔微量培養盤之分化的L6肌小管細胞係於每孔含有0.25% BSA之100μL α-MEM中培養30分鐘，並加入胰島素、S961(胰島素受體拮抗劑，贈自Dr.Lauge Schäffer,Novo-Nordisk,Denmark)、二甲雙胍及安卓奎諾爾。在培養之後，該細胞係以KRH清洗二次。該L6肌小管細胞隨後在37℃下於5% CO2中以含有1mM 2-去氧葡萄糖(2DG,Sigma-Aldrich,St.Louis,MO USA)及0.1% BSA之60μL KRH緩衝液培養20分鐘。培養之後，該細胞係以KRH緩衝液清洗二次並接著加入50μL 0.1N NaOH。該微量培養盤係於85℃下培養90分鐘以進行乾燥。隨後，將50μL 0.1N HCl加入各孔以中和孔內之成分並接著加入50μL之50mM鹽酸三乙醇胺(triethanolamine hydrochloride，TEA)緩衝液(200mM KCl、200mM TEA，pH 8.1)。細胞之2DG攝取係以酵素螢光試驗所測定。該螢光試驗緩衝液係由50mM TEA緩衝液、0.1% BSA、2.5mM β-NADP(Wako Pure Chemical,Osaka,Japan)、0.05單位之黃遞酶(Diaphorase)(Wako)、150單位之腸系膜明串珠菌(L.mesenteriodes)G6PDH(sigma)及0.5mM之刃天青(Resazurin)鈉鹽(sigma)組成。10μL 2DG樣本與100μL螢光試驗緩衝液係於37℃下反應30分鐘。在反應結束時，以分光光度計測定540nm激發光下產生的570nm螢光值(EnSpire 2300 Multilabel Reader,Perkin Elmer,Waltham,MA,USA)。 This glucose uptake test follows previous research (Yamamoto et al. , "An enzymatic fluorimetric assay to quantitate 2-deoxyglucose and 2-deoxyglucose-6-phosphate for in vitro and in vivo use." Analytical Biochemistry 404 (2): 238 -240, 2010) with minor modifications and technical assistance with the laboratory of Professor Hitoshi Ashida (Kobe University, Kobe, Japan). The differentiated L6 myotubular cell line planted in a 96-well microplate was cultured in 100 μL α-MEM containing 0.25% BSA per well for 30 minutes, and insulin and S961 (insulin receptor antagonist, donated by Dr. Lauge) were added. Schäffer, Novo-Nordisk, Denmark), metformin and Android quinol. After culturing, the cell line was washed twice with KRH. The L6 myotubes were then cultured at 37 ° C in 5% CO 2 with 60 μL KRH buffer containing 1 mM 2-deoxyglucose (2DG, Sigma-Aldrich, St. Louis, MO USA) and 0.1% BSA for 20 minutes. . After incubation, the cell line was washed twice with KRH buffer and then 50 μL of 0.1 N NaOH was added. The microplate was dried at 85 ° C for 90 minutes. Subsequently, 50 μL of 0.1 N HCl was added to each well to neutralize the contents of the wells, and then 50 μL of 50 mM triethanolamine hydrochloride (TEA) buffer (200 mM KCl, 200 mM TEA, pH 8.1) was added. Cell 2DG uptake was measured by an enzyme fluorescence test. The fluorescent test buffer is composed of 50 mM TEA buffer, 0.1% BSA, 2.5 mM β-NADP (Wako Pure Chemical, Osaka, Japan), 0.05 units of Diaphorase (Wako), and 150 units of mesentery. L. mesenteriodes G6PDH (sigma) and 0.5 mM Resazurin (sigma) sodium salt (sigma). 10 μL of the 2DG sample was reacted with 100 μL of the fluorescent test buffer at 37 ° C. for 30 minutes. At the end of the reaction, a 570 nm fluorescence value (EnSpire 2300 Multilabel Reader, Perkin Elmer, Waltham, MA, USA) generated under a 540 nm excitation light was measured spectrophotometrically.

如圖6所示，胰島素(Ins)、二甲雙胍(Met)及安卓奎諾爾(Ant)對於葡萄糖攝取具有類似之功效。 As shown in Figure 6, insulin (Ins), metformin (Met), and Android quinol (Ant) have similar effects on glucose uptake.

綜上所述，安卓奎諾爾以劑量依賴性方式增強GLUT4轉 位。二甲雙胍及胰島素作為臨床藥物投予以控制葡萄糖攝取。此外，在此試驗中，100μM安卓奎諾爾之結果相當於16mM二甲雙胍之給藥(請見圖5(A))。當同時以安卓奎諾爾與胰島素處理時，該結果顯示具有協同效應(請見圖5(B))。結果證實，單獨使用安卓奎諾爾具有於體外改進胰島素非依賴型GLUT4轉位之能力。安卓奎諾爾提供的葡萄糖攝取作用類似於胰島素及二甲雙胍(請見圖6)。 In summary, Android quinol enhances GLUT4 turnover in a dose-dependent manner Bit. Metformin and insulin were administered as clinical drugs to control glucose uptake. In addition, in this test, the result of 100 μM Android quinol was equivalent to the administration of 16 mM metformin (see Figure 5 (A)). The results showed a synergistic effect when treated with Android quinol and insulin simultaneously (see Figure 5 (B)). The results confirm that Android quinol alone has the ability to improve insulin-independent GLUT4 translocation in vitro. Android quinol provides glucose uptake similar to insulin and metformin (see Figure 6).

實施例6 安卓奎諾爾對於體內血糖控制(Glycemic control)之影響Example 6 Effect of Android Quinol on Glycemic control in vivo 6.1 動物實驗6.1 Animal experiments

動物實驗係由國立東華大學動物倫理委員會同意，並根據國立東華大學之「實驗動物照護及使用指南」進行。C57BL/6小鼠及印記控制區(Imprinting Control Region；ICR)小鼠係獲自於國家實驗動物中心(National Laboratory Animal Center，台北，台灣)並培養於室溫(22±2℃)及濕度(50±10%)經控制之環境條件中。研究中維持12小時光照(0600am-1800pm)及12小時黑暗之週期循環。小鼠可自由進食及飲水並維持標準實驗室飲食(碳水化合物；60%、蛋白質；28%、脂質；12%、維生素；3%)。 The animal experiment department was approved by the Animal Ethics Committee of National Donghua University and conducted in accordance with the "Guidelines for the Care and Use of Laboratory Animals" of National Donghua University. C57BL / 6 mice and Imprinting Control Region (ICR) mouse lines were obtained from the National Laboratory Animal Center (Taipei, Taiwan) and cultured at room temperature (22 ± 2 ° C) and humidity ( 50 ± 10%) under controlled environmental conditions. During the study, 12 hours of light (0600am-1800pm) and 12 hours of darkness were maintained. Mice can eat and drink freely and maintain a standard laboratory diet (carbohydrates; 60%, protein; 28%, lipids; 12%, vitamins; 3%).

6.2 安卓奎諾爾之口服葡萄糖耐受性試驗(Oral Glucose Tolerance Test；OGTT)6.2 Oral Glucose Tolerance Test (OGTT)

小鼠於禁食12小時後進行此試驗。小鼠係以口服灌食法處理D-葡萄糖(2g/kg，p.o.)。在大約0、30、60、90及120分鐘時，自尾靜脈進行靜脈穿刺採血以測定血糖。血糖係立即利用葡萄糖分析儀(Accu-Chek,Roche)以葡萄糖氧化酶方法測定。 The mice were tested after 12 hours of fasting. Mice were treated with D-glucose (2 g / kg, p.o.) by oral gavage. At approximately 0, 30, 60, 90, and 120 minutes, blood was collected by venipuncture from the tail vein to determine blood glucose. Blood glucose was immediately measured by a glucose oxidase method using a glucose analyzer (Accu-Chek, Roche).

6.3 安卓奎諾爾對於胰島素抗性小鼠之短期葡萄糖耐受性功效6.3 Short-term glucose tolerance efficacy of Android quinol in insulin resistant mice

使用8週大的雄性C57 BL/6小鼠於禁食12小時後進行本試驗。欲探討天然化合物對於S961(胰島素受體拮抗劑，Novo-Nordisk,Denmark)誘發之高血糖症的影響，小鼠係於口服灌食(p.o.)安卓奎諾爾(溶於PEG與EtOH，50mg/kg Bwt)與D-葡萄糖(2g/kg Bwt)之前15分鐘進行腹腔注射(i.p.)S961(50nmol/kg Bwt)。在大約0、30、60、90及120分鐘時，自尾靜脈進行靜脈穿刺採血以進行OGTT試驗。 This test was performed using 8-week-old male C57 BL / 6 mice after a 12-hour fast. To investigate the effect of natural compounds on hyperglycemia induced by S961 (insulin receptor antagonist, Novo-Nordisk, Denmark), mice were given oral Android (po) Android quinol (dissolved in PEG and EtOH, 50mg / kg Bwt) and D-glucose (2 g / kg Bwt) were administered intraperitoneally (ip) S961 (50 nmol / kg Bwt) 15 minutes before. At approximately 0, 30, 60, 90, and 120 minutes, venipuncture blood was collected from the tail vein for OGTT testing.

如圖7(A)所示，在口服葡萄糖耐受性試驗(OGTT)中，安卓奎諾爾於胰島素抗性條件下具有低血糖功效，類似於二甲雙胍。此外，如圖7(B)所示，在口服葡萄糖耐受性試驗(OGTT)中，(+)-安卓奎諾爾及(-)-安卓奎諾爾兩者於胰島素抗性條件下具有低血糖功效。 As shown in FIG. 7 (A), in the oral glucose tolerance test (OGTT), Android quinol has hypoglycemic effect under insulin resistance conditions, similar to metformin. In addition, as shown in FIG. 7 (B), in the oral glucose tolerance test (OGTT), both (+)-Android quinol and (-)-Android quinol have hypoglycemic effect under insulin resistance conditions. .

實施例7 安卓奎諾爾對於飲食誘發性肥胖(Diet-induced obesity，DIO)ICR小鼠之葡萄糖耐受性的功效Example 7 Effect of Android Quinol on Glucose Tolerance in Diet-induced Obesity (DIO) ICR Mice 7.1 飲食誘發性肥胖(DIO)ICR小鼠7.1 Diet-induced obesity (DIO) ICR mice

八週大ICR雄性小鼠係以高脂飲食及60%果糖水誘發10週。該高脂飲食包含1公斤常規之飼料加上150公克常規之豬油(23%之總飽和脂肪酸與77%之總不飽和脂肪酸，清香油，Wei Li Foods Co.,Changhua,Taiwan)。將該實驗小鼠分成二組：(1)A組為飲食誘發性葡萄糖不耐症(DIG，n=30)及B組為正常飲食(Con，n=5)。在餵食高脂飲食及60%果糖水10週之後，ICR雄性小鼠係於禁食12小時後口服灌食(p.o.)D-葡萄糖(2g/kg)。在大約0、30、60、90及120min時，自尾靜脈進行靜脈穿刺採 血以測定血糖。血糖立即利用葡萄糖分析儀(Accu-Chek,Roche)以葡萄糖氧化酶方法測定，當口服葡萄糖120分鐘之後其血糖仍維持在高於200mg/dL之量則定義為高血糖。 Eight-week-old ICR male mice were induced on a high-fat diet and 60% fructose water for 10 weeks. The high-fat diet contains 1 kg of conventional feed plus 150 grams of conventional lard (23% of total saturated fatty acids and 77% of total unsaturated fatty acids, sesame oil, Wei Li Foods Co., Changhua, Taiwan). The experimental mice were divided into two groups: (1) group A was diet-induced glucose intolerance (DIG, n = 30) and group B was a normal diet (Con, n = 5). After being fed a high-fat diet and 60% fructose water for 10 weeks, ICR male mice were orally gavage (p.o.) D-glucose (2g / kg) after 12 hours of fasting. At about 0, 30, 60, 90, and 120 minutes, venipuncture from the tail vein Blood to determine blood sugar. Blood glucose was immediately measured by a glucose analyzer (Accu-Chek, Roche) by the glucose oxidase method. When glucose was taken orally for 120 minutes, the blood glucose level remained above 200 mg / dL, which was defined as hyperglycemia.

7.2 安卓奎諾爾對於DIO ICR小鼠之葡萄糖耐受性的短期功效7.2 Short-term efficacy of Android quinol for glucose tolerance in DIO ICR mice

在口服灌食(p.o.)D-葡萄糖(2g/kg)之前15分鐘給予DIO小鼠25mg/kg Bwt之安卓奎諾爾或20mg/kg Bwt之西他列汀以進行OGTT葡萄糖耐受性試驗。所得之結果如圖8所示，其顯示安卓奎諾爾所產生之功效類似於西他列汀。 DIO mice were given 25 mg / kg Bwt of androidquinol or 20 mg / kg Bwt of sitagliptin 15 minutes before oral (p.o.) D-glucose (2 g / kg) for an OGTT glucose tolerance test. The results obtained are shown in Figure 8, which shows that Android quinol produces similar effects to sitagliptin.

7.3 安卓奎諾爾對於DIO ICR小鼠之葡萄糖耐受性的長期功效7.3 Long-term effects of Android quinol on glucose tolerance in DIO ICR mice

每隔一天(q.o.d)以安卓奎諾爾(25mg/kg Bwt)及西他列汀(10mg/kg Bwt)處理DIO小鼠並持續4週。在長期處理結束時，小鼠係以OGTT試驗測定葡萄糖耐受性。所得之結果如圖9所示，其顯示安卓奎諾爾所產生之功效類似於西他列汀。 Every other day (q.o.d.) DIO mice were treated with Androidquinol (25 mg / kg Bwt) and sitagliptin (10 mg / kg Bwt) for 4 weeks. At the end of long-term treatment, the mice were tested for glucose tolerance in an OGTT test. The results obtained are shown in Figure 9, which shows that the effect produced by Android quinol is similar to sitagliptin.

統計學分析Statistical analysis

該等實施例之所有數據皆以平均值±SEM表示。利用單變異數分析(one-way analysis of variance，ANOVA)進行結果的統計學比較。若各平均值之長柱圖以不同字母標記，代表經過Tukey氏檢定之後具有顯著差異(p<0.05)。 All data for these examples are expressed as mean ± SEM. One-way analysis of variance (ANOVA) was used for statistical comparison of results. If the long bar graph of each average is marked with different letters, it means that there is a significant difference after Tukey's test (p <0.05).

鑑於上述之體外及體內之研究結果，所得之結論為安卓奎諾爾可經由增進葡萄糖轉運子4之轉位作用以改進葡萄糖攝取而具有血糖控 制的潛力，因此，其可發展成糖尿病治療藥物，特別是針對第二型糖尿病。 In view of the above in vitro and in vivo research results, the conclusion is that Android quinol can improve glucose uptake by enhancing the translocation of glucose transporter 4 and have blood glucose control. It has the potential to develop medicine, so it can be developed into a therapeutic agent for diabetes, especially for type 2 diabetes.

Claims (7)

一種(-)-安卓奎諾爾用於製備治療糖尿病藥物的用途，其中該(-)-安卓奎諾爾具如下列之通式(IV)：其中Me為甲基。A use of (-)-Android quinol for preparing a medicine for treating diabetes, wherein the (-)-Android quinol has the following general formula (IV): Where Me is methyl. 如申請專利範圍第1項之用途，其中該(-)-安卓奎諾爾係有效抑制二肽基胜肽酶-4(Dipeptidyl peptidase-4，DPP4)之活性並增強AMP-活化型蛋白質激酶(AMPK)之活化。For example, the application in the scope of patent application No. 1 wherein the (-)-Android quinol is effective to inhibit the activity of dipeptidyl peptidase-4 (DPP4) and enhance the AMP-activated protein kinase (AMPK ) 'S activation. 如申請專利範圍第1項之用途，其中該(-)-安卓奎諾爾係可與胰島素組合使用。For example, the application in the scope of patent application No. 1 wherein the (-)-Android quinol system can be used in combination with insulin. 一種化合物，其係具如下列之通式(IV)之(-)-安卓奎諾爾：其中Me為甲基。A compound having (-)-Android quinol of the following general formula (IV): Where Me is methyl. 如申請專利範圍第4項所述之化合物，其係非毒性。The compound described in item 4 of the scope of patent application is non-toxic. 一種用於治療糖尿病之醫藥組合物，包含如申請專利範圍第4項所述之化合物。A pharmaceutical composition for treating diabetes, comprising the compound described in item 4 of the scope of patent application. 一種用於治療糖尿病之醫藥組合物，包含胰島素與如申請專利範圍第4項所述之化合物之組合。A pharmaceutical composition for treating diabetes, comprising a combination of insulin and a compound as described in item 4 of the patent application.
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