KR20170057474A - Pharmaceutical composition for treating and inhibiting metastasis of glioblastoma comprising protopanaxadiols compound - Google Patents
Pharmaceutical composition for treating and inhibiting metastasis of glioblastoma comprising protopanaxadiols compound Download PDFInfo
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- KR20170057474A KR20170057474A KR1020150160103A KR20150160103A KR20170057474A KR 20170057474 A KR20170057474 A KR 20170057474A KR 1020150160103 A KR1020150160103 A KR 1020150160103A KR 20150160103 A KR20150160103 A KR 20150160103A KR 20170057474 A KR20170057474 A KR 20170057474A
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- KR
- South Korea
- Prior art keywords
- glioblastoma
- ppd
- ginsenoside
- cells
- metastasis
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- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
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- A61K31/575—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids substituted in position 17 beta by a chain of three or more carbon atoms, e.g. cholane, cholestane, ergosterol, sitosterol
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- A61K31/704—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin attached to a condensed carbocyclic ring system, e.g. sennosides, thiocolchicosides, escin, daunorubicin
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- A—HUMAN NECESSITIES
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Abstract
The present invention relates to a pharmaceutical composition for inhibiting a glioblastoma metastasis and a food composition for inhibiting a glioblastoma metastasis, which comprises PPD (protopanaxadiol) or Compound-K, which is a kind of paraxaxidol ginsenoside, as an active ingredient. The ginsenoside CK or PPD provided by the present invention inhibits the adherence of glioblastoma cells to induce anoikis, as well as exhibits cytotoxicity against glioblastoma cells, so that treatment of glioblastoma and inhibition of metastasis are simultaneously carried out And thus may be widely used to effectively treat patients with glioblastoma.
Description
The present invention relates to a pharmaceutical composition for inhibiting metastasis through treatment of a glioblastoma and a cell adhesion inhibitor comprising a panaxadius diol ginsenoside compound. More specifically, the present invention relates to a pharmaceutical composition for inhibiting metastasis by inhibiting PPD (protopanaxadiol) or Compound-K as an active ingredient, and a food composition for inhibiting the transplantation of a glioblastoma.
Cancer is one of the most common causes of death worldwide. Approximately 10 million new cases occur each year, accounting for approximately 12% of all deaths and the third leading cause of death. Among various types of cancer, brain cancer, especially in children, occurs more frequently than other cancers. Brain cancer is distinguished from primary brain tumors that develop in the brain tissue and brain membranes surrounding the brain and secondary brain tumors that migrate from the skull or other parts of the body to the brain. Symptoms include motor paralysis, perception, paralysis, , Equilibrium disorder, and cranial hypertensive symptoms. The brain cancer includes various types of cancer such as polymorphic glioblastoma, malignant glioma, lymphadenoma, blastomastoid, metastatic tumor and the like, unlike cancer that is developed in other tissues in which one or two kinds of cancer are tissue-specific Among them, glioma, especially glioblastoma, is the most malignant and aggressive disease with a very poor prognosis and a very fatal disease with an average survival of less than 1 year after diagnosis. It is known that it is almost impossible to completely remove the cancer tissue surgically since the boundary between the brain cell and the tumor cell is not clear in the patient with the above-mentioned glioblastoma. Thus, in order to develop a method for treating the glioblastoma, various studies have been conducted, and as a result, temozolomide (TMZ) has been developed.
The above-mentioned temozolomide is a type of alkylating agent that damages DNA of a glioblastoma cell and exhibits an anticancer effect. Recently, a method of using a surgical operation and a treatment with temozolomide has been used to treat glioblastoma. However, since the glioblastoma includes various genetic mutations, the median survival rate of the glioblastoma patients is remarkably low even now, and the development of a new therapeutic agent is required. Research on the development of a new glioblastoma therapeutic agent is actively pursuing this need. For example, International Patent Publication No. 2012-061120 discloses a method of treating glioblastoma using purified glioblastoma GBM6-AD stem cells, and International Patent Publication No. 2012-104822 discloses a method of treating glioblastoma A method of treating a glioblastoma is disclosed.
On the other hand, the glioblastoma is known to have a high incidence of metastasis. Because cancer metastasis is multiple, systemic and difficult to determine whether it is present, treatment efficacy is not satisfactory with current cancer treatment methods. However, cancer metastasis is an inefficient process in which only a small fraction of the cancer cells that make up the primary tumor successfully complete several stages of the metastatic process and become metastatic cancer. Therefore, it is possible to develop a useful treatment method that can effectively control death by cancer metastasis by understanding the transition process, developing a clinically and biologically useful therapeutic target, and effectively inhibiting it. For example, Korean Patent Registration No. 1213033 discloses a method for diagnosing cancer metastasis by measuring EI24 protein levels, Korean Patent Publication No. 2009-0084149 discloses a pharmaceutical composition comprising caffeine and / A method for inhibiting the invasion, metastasis and proliferation of brain cancer using the same. However, a method for inhibiting the progression of glioblastoma has not yet been reported.
Under these circumstances, the present inventors have made extensive efforts to develop a method for inhibiting the progression of glioblastoma. As a result, PPD or a compound-K (CK), a kind of PPD (protopanaxadiol) To inhibit metastasis, thus completing the present invention.
It is an object of the present invention to provide a pharmaceutical composition for inhibiting metastasis through treatment of glioblastoma and inhibition of cell adhesion comprising a PPD-type ginsenoside as an active ingredient.
Another object of the present invention is to provide a food composition for inhibiting the transplantation of glioblastoma which comprises a PPD-type ginsenoside compound as an active ingredient.
The present inventors paid attention to anoikis while carrying out various studies to develop a method for inhibiting the progression of glioblastoma. Normally, when cancer cells of solid cancer do not contact the surrounding tissues and cells, apoptosis is induced. This phenomenon is known as Anoikis. However, when the cancer cells are transferred, resistance to anoikis is acquired. Therefore, an agent that induces anoikis against the cancer cells can exhibit an effect of inhibiting cancer cell metastasis. While searching for an agent capable of inducing anoikis in glioblastomas, attention was paid to PPD (protopanaxadiol) -ginsenoside compounds. The PPD-type ginsenoside compound is a kind of ginsenoside compound contained in ginseng or red ginseng, and it was examined whether the PPD-type ginsenoside compound can induce anoikis in glioblastoma. As a result, since ginsenoside CK or PPD not only inhibits cell adhesion but also exhibits cytotoxicity upon culturing glioma cells corresponding to solid tumors, the ginsenoside CK or PPD not only treats glioblastoma, It can be used as an agent for inhibiting the metastasis of glioblastoma by inducing kissing.
Therefore, the ginsenoside PPD or CK can be used as an active ingredient of a pharmaceutical composition capable of simultaneously exhibiting a therapeutic effect and a transplantation-inhibiting effect of a glioblastoma, and PPD or CK capable of simultaneously treating the glioblastoma and inhibiting the metastasis Has not been known at all and has been first identified by the present inventors.
In order to achieve the above object, the present invention provides, as one embodiment, a pharmaceutical composition for treating a glioblastoma and inhibiting metastasis, which comprises PPD (protopanaxadiol), Compound-K or a combination thereof as an active ingredient.
The term "PPD (protopanaxadiol) " of the present invention means a compound represented by the formula C 30 H 52 O 3 , having a molecular weight of about 460 Da and having a structure of the following formula (1) separated from ginseng.
In the present invention, the PPD can be used as an active ingredient of a pharmaceutical composition for inhibiting glioma-type metastasis which induces aniosis of a glioblastoma. The concentration at which the PPD can be used as an active ingredient of a pharmaceutical composition for inhibiting metastatic tumor metastasis is As long as it is capable of inhibiting cell adhesion of the glioblastoma, for example, it may be a treatment concentration of 10 to 50 μg / ml, and as another example, it may be a treatment concentration of 20 to 40 μg / ml And, as another example, a treatment concentration of 40 μg / ml.
The term "compound-K (CK)" of the present invention means that saponins such as ginsenosides Rb1, Rb2, Rc and Rd present in ginseng or red ginseng are not present in ginseng itself A ginsenoside compound represented by the formula C 36 H 62 O 8 and having a molecular weight of about 622 Da and having a structure represented by the following formula 2: ≪ / RTI >
In the present invention, the CK can be used as an effective component of a pharmaceutical composition for inhibiting glioma-type metastasis which induces aniosis of a glioblastoma. The concentration at which CK can be used as an active ingredient of a pharmaceutical composition for inhibiting metastatic tumor metastasis is As long as it is capable of inhibiting cell adhesion of the glioblastoma, for example, it may be a treatment concentration of 10 to 50 μg / ml, and as another example, it may be a treatment concentration of 20 to 40 μg / ml And, as another example, a treatment concentration of 30 μg / ml.
The term "PPD (protopanaxadiol) ginsenoside compound" of the present invention means a ginsenoside compound having a chemical structure similar to PPD.
In the present invention, the PPD-type ginsenoside compound can be interpreted as a compound that inhibits the cell adhesion of glioblastoma by inducing anoikis of the glioblastoma, thereby inhibiting the metastasis of the glioblastoma. The PPD of Formula 1, the CK of Formula 2, and the like. The PPD-derived ginsenoside compounds may be those extracted from ginseng, red ginseng or the like, or chemically synthesized ones.
According to one embodiment of the present invention, gliosinocyte CK or PPD is treated on a glioblastoma cell that forms a cell aggregate upon culturing, and the phenomenon caused thereby is analyzed. As a result, the cell aggregate is disassembled and decomposed into individual cells (Fig. 1), the expression levels of N-carderine, integrin [beta] l, phosphorylated FAK and FAK involved in cell adhesion decreased (Fig. 2) and the number of cell cycles stopped in the G0 / G1 state was significantly increased (FIG. 3a), and the expression level of cyclin D1, which converts the G1 state to the S state in the cell cycle, is decreased (FIG. 3b).
As such, since ginsenoside CK or PPD exhibits an effect of inhibiting cell adhesion upon culturing glioma cells corresponding to solid tumors, the ginsenoside CK or PPD induces anoikis to inhibit the progression of glioblastoma It could be used as a preparation.
According to another embodiment of the present invention, the cultured human glioblastoma cell line U251 was treated with various concentrations of ginsenoside CK, PPD or F2 and the cell viability was evaluated. As a result, the concentration of ginsenoside CK or PPD Dependent (Fig. 4a) and time-dependent (Fig. 4b) cytotoxicity.
As such, since ginsenoside CK or PPD exhibits concentration-dependent and time-dependent cytotoxicity against glioblastoma cells corresponding to solid tumors, it can be seen that the ginsenoside CK or PPD can be used as a preparation for treating glioblastoma I could.
Taken together, the above-mentioned ginsenoside CK or PPD can not only inhibit the metastasis of the glioblastoma but also exhibit the effect of treating the glioblastoma, so that the ginsenoside CK or PPD can be used as a preparation for treating a glioblastoma patient comprehensively And it was found.
The composition of the present invention may be prepared in the form of a pharmaceutical composition for the inhibition of glioblastoma metastasis further comprising an appropriate carrier, excipient or diluent conventionally used in the production of a pharmaceutical composition, non-naturally occuring carrier. Specifically, the pharmaceutical composition may be formulated in the form of powders, granules, tablets, capsules, suspensions, emulsions, syrups, aerosols and the like, oral preparations, suppositories and sterilized injection solutions according to a conventional method . In the present invention, the carrier, excipient and diluent which may be contained in the pharmaceutical composition include lactose, dextrose, sucrose, sorbitol, mannitol, xylitol, erythritol, maltitol, starch, acacia rubber, alginate, gelatin, calcium phosphate , Calcium silicate, cellulose, methylcellulose, microcrystalline cellulose, polyvinylpyrrolidone, water, methylhydroxybenzoate, propylhydroxybenzoate, talc, magnesium stearate and mineral oil. In the case of formulation, a diluent or excipient such as a filler, an extender, a binder, a wetting agent, a disintegrant, or a surfactant is usually used. Solid formulations for oral administration include tablets, pills, powders, granules, capsules and the like, which may contain at least one excipient such as starch, calcium carbonate, Sucrose, lactose, gelatin and the like. In addition to simple excipients, lubricants such as magnesium stearate and talc are also used. Liquid preparations for oral use may include various excipients such as wetting agents, sweetening agents, fragrances, preservatives, etc. in addition to water and liquid paraffin, which are simple diluents commonly used in suspension, liquid solutions, emulsions and syrups have. Formulations for parenteral administration include sterilized aqueous solutions, non-aqueous solutions, suspensions, emulsions, freeze-dried preparations, and suppositories. Examples of the suspending agent include propylene glycol, polyethylene glycol, vegetable oil such as olive oil, injectable ester such as ethyl oleate, and the like. Examples of the suppository base include witepsol, macrogol, tween 61, cacao butter, laurin, glycerogelatin and the like.
The content of the PPD or CK contained in the pharmaceutical composition of the present invention is not particularly limited, but may be included in an amount of 0.0001 to 50% by weight, and as another example, 0.01 to 10% by weight based on the total weight of the final composition have.
The pharmaceutical composition of the present invention can be administered in a pharmaceutically effective amount. The term "pharmaceutically effective amount " of the present invention means a therapeutic or prophylactic treatment of a disease at a reasonable benefit / risk ratio applicable to medical treatment or prevention And the effective dose level refers to the level of the disease to be treated, the severity of the disease, the activity of the drug, the age, body weight, health, sex, sensitivity of the patient to the drug, Duration, duration of administration, factors involved in combination with or contemporaneously with the composition of the present invention, and other factors well known in the medical arts. The pharmaceutical composition of the present invention may be administered alone or in combination with a known agent for inhibiting cancer metastasis. It is important to take into account all of the above factors and administer an amount that will achieve the maximum effect in the least amount without side effects.
The dosage of the pharmaceutical composition of the present invention can be determined by those skilled in the art in consideration of the purpose of use, the degree of addiction to the disease, the age, body weight, sex, history, or kind of the substance used as the active ingredient. For example, the pharmaceutical composition of the present invention may be administered at about 0.1 ng to about 100 mg / kg, preferably 1 ng to about 10 mg / kg, per adult, and the frequency of administration of the composition of the present invention is particularly It is not limited, but it can be administered once a day or divided into several doses. The dose is not intended to limit the scope of the invention in any way.
In another aspect, the present invention provides a method for treating and inhibiting the progression of glioblastoma comprising administering the pharmaceutical composition to a subject suffering from a glioblastoma in a pharmaceutically effective amount.
The term "individual" of the present invention can include, without limitation, mammals, including fish, rats, livestock, humans, and the like, which are capable of developing a glioblastoma or have an onset.
The administration route of the pharmaceutical composition for inhibiting the transbronchial metastasis of the present invention can be administered through any common route as long as it can reach the target tissue. The pharmaceutical composition of the present invention is not particularly limited, but may be administered by intraperitoneal administration, intravenous administration, intramuscular administration, subcutaneous administration, intradermal administration, oral administration, intranasal administration, intrapulmonary administration, rectal administration and the like ≪ / RTI > However, since the PPD or C-K may be denatured by gastric acid upon oral administration, the oral composition may be formulated so as to coat the active agent or protect it from decomposition at the top. In addition, the composition may be administered by any device capable of transferring the active agent to the target cell.
The present invention provides, in yet another aspect, a food composition for improving glioblastoma and inhibiting metastasis comprising PPD or C-K.
Since PPD or CK, which is an active ingredient of the pharmaceutical composition for inhibiting the glioblastoma metastasis, is derived from a natural herb that has been heretofore used as a medicinal herb such as medicinal natural product ginseng and has proven its safety, the PPD or CK is a common, Can be prepared and ingested in the form of a food which can be improved and metastasis inhibited.
At this time, the content of the PPD or C-K contained in the food is not particularly limited, but may be in the range of 0.001 to 50% by weight, more preferably 0.1 to 10% by weight based on the total weight of the food composition. When the food is a beverage, it may be contained in a proportion of 1 to 10 g, preferably 2 to 7 g based on 100 ml. In addition, the composition may contain additional ingredients which are commonly used in food compositions and which can improve odor, taste, vision and the like. For example, vitamins A, C, D, E, B1, B2, B6, B12, niacin, biotin, folate, panthotenic acid and the like. In addition, it may include minerals such as zinc (Zn), iron (Fe), calcium (Ca), chromium (Cr), magnesium (Mg), manganese (Mn) and copper (Cu) It may also include amino acids such as lysine, tryptophan, cysteine, valine, and the like. In addition, it is also possible to use antiseptics (such as potassium sorbate, sodium benzoate, salicylic acid, sodium dehydroacetate), disinfectants (such as bleaching powder and highly bleached white powder, sodium hypochlorite), antioxidants (butylhydroxyanilide (BHA), butylhydroxytoluene BHT), etc.), coloring agents (such as tar pigments), coloring agents (such as sodium nitrite and sodium acetic acid), bleaching agents (sodium sulfite), seasoning (such as MSG sodium glutamate), sweeteners (such as hypoglycemia, , Food additives such as flavorings (vanillin, lactones, etc.), swelling agents (alum, potassium hydrogen D-tartrate), emulsifiers, emulsifiers, thickeners, encapsulating agents, gum bases, foam inhibitors, ) Can be added. The additives are selected according to the type of food and used in an appropriate amount.
On the other hand, a health functional food for improving glioblastoma and inhibiting metastasis can be prepared using the PPD or C-K-containing glycombastoma improving and transfer inhibiting food composition.
As a specific example, the food composition can be used to produce a processed food which can improve the glioblastoma and inhibit metastasis. Examples of the processed food include confectionery, beverage, liquor, fermented food, canned food, Can be manufactured as a health functional food in the form of processed noodles. The sweets include biscuits, pies, cakes, breads, candies, jellies, gums, cereals (including dinner utensils such as cereal flakes). Drinks include drinking water, carbonated beverages, functional ionic beverages, juices (such as apples, pears, grapes, aloes, citrus fruits, peaches, carrots, tomato juices, etc.) and sikhye. The mainstream includes sake, whiskey, shochu, beer, liquor, and fruit wine. Fermented foods include soy sauce, miso, and kochujang. Canned products include canned goods (eg, tuna, mackerel, saury, canned fish, etc.), canned products (beef, pork, chicken, turkey canned food, etc.) and canned products (corn, peach and canned pineapple). Milk processed foods include cheese, butter, yogurt and the like. Meat-processed foods include pork cutlet, beef cutlet, chicken cutlet, sausage. Sweet and sour pork, nuggets, and nubani. And noodles such as sealed packaging raw noodles. In addition, the composition may be used in retort food, soup and the like.
The term "functional food " of the present invention refers to a food for special health use (FoSHU) The food may be prepared in various forms such as tablets, capsules, powders, granules, liquids, and circles to obtain a beneficial effect on improvement of glioblastoma and inhibition of metastasis.
The ginsenoside CK or PPD provided by the present invention inhibits the adherence of glioblastoma cells to induce anoikis, as well as exhibits cytotoxicity against glioblastoma cells, so that treatment of glioblastoma and inhibition of metastasis are simultaneously carried out And thus may be widely used to effectively treat patients with glioblastoma.
1 is a photomicrograph showing the effect of ginsenoside affecting the culture of glioma cells.
Fig. 2 is a graph showing the results of analysis of four proteins involved in cell adhesion according to the treatment time of ginsenoside in ginsenoside CK treated with 30 μg / ml of ginsenoside CK or 40 μg / ml of ginsenoside PPD Western blot analysis image showing the result of analysis of the expression level change.
FIG. 3A is a graph showing the results of classification according to cell cycle in gingenocide CK, PPD or F2-treated glioblastoma cells at 30 占 퐂 / ml.
FIG. 3B shows the expression of cyclin D1 involved in the cell cycle regulation of the ginsenoside-treated glioblastoma cells treated with 30 μg / ml of ginsenoside CK or 40 μg / ml of ginsenoside PPD This is a western blot analysis showing the result of analyzing the level change.
4A is a graph showing changes in cell survival rate of glioblastoma cells according to treatment concentrations of ginsenoside CK, PPD or F2.
4B is a graph showing changes in cell viability of glioblastoma cells with the treatment time of ginsenoside CK, PPD or F2.
Hereinafter, the present invention will be described in more detail with reference to examples. However, these examples are for illustrative purposes only, and the scope of the present invention is not limited to these examples.
Example 1: for adhesion of glioblastoma cells Gin Senocide C-K or PPD Effect of
Human glioblastoma cell line U251 was inoculated into a 12-well plate containing DMEM medium containing 10% FBS and 1% penicillin / streptomycin at a concentration of 150,000 cells / well, cultured at 5% CO 2 and 37 ° C, Glioblastoma cells were obtained. The U251 glioblastoma cells obtained above were cultured for 24 hours using a medium containing 30 or 40 ㎍ / ml of ginsenoside CK or PPD. Next, the cultured conditions of each of the cultured glioma cells under a microscope were compared with the culture conditions of the U251 glioblastoma cells of the control group in which the ginsenosides were not treated (Fig. 1). At this time, the control group used cultured glioblastoma cells treated with DMSO (Fig. 1).
1 is a photomicrograph showing the effect of ginsenoside affecting the culture of glioma cells. As shown in FIG. 1, the glioblastoma cells of the control group formed cell aggregates due to strong binding between cells as is commonly known, but when the cells were treated with ginsenoside C-K or PPD, cell aggregates were disassembled. Particularly, when the ginsenoside C-K of 30 占 퐂 / ml or the ginsenoside PPD of 40 占 퐂 / ml was treated, the cell aggregates were completely disassembled and individual cells were maintained.
Therefore, it was found that the ginsenoside C-K or PPD had an effect of inhibiting the adhesion of the glioma cell line.
Example 2: Effect of ginsenoside C-K or PPD on the expression level of cell adhesion protein
From the results of Example 1, it was confirmed that ginsenoside CK or PPD inhibits the adhesion of glioblastoma cells. Therefore, it was confirmed that the ginsenoside CK or PPD is a kind of protein involved in cell adhesion, β1 and FAK (Focal Adhesion Kinase) expression level of the cells.
That is, according to the method of Example 1, cultured human glioblastoma cell line U251 was treated with 30 μg / ml of ginsenoside CK or 40 μg / ml of ginsenoside PPD, and cultured for 6, 12 and 24 hours And each cell was obtained. The obtained cells were treated with an M-PER mammalian protein extraction reagent containing a 10% protease inhibitor and a 2% dephosphorylase inhibitor to obtain respective cell lysates, and each cell lysate thus obtained was subjected to western blot analysis Respectively. At this time, the expression levels of the four proteins involved in cell adhesion were evaluated by using anti-N-carderine antibody, anti-integrin? 1 antibody, anti-phosphorylated FAK antibody or anti-FAK antibody as primary antibodies The effect of senoside CK or PPD was confirmed (Fig. 2). At this time, GAPDH was used as an internal control group.
Fig. 2 is a graph showing the results of analysis of four proteins involved in cell adhesion according to the treatment time of ginsenoside in ginsenoside CK treated with 30 μg / ml of ginsenoside CK or 40 μg / ml of ginsenoside PPD Western blot analysis image showing the result of analysis of the expression level change. As shown in FIG. 2, it was confirmed that the expression levels of all four proteins involved in cell adhesion expressed in glioblastoma cells were reduced by treatment with ginsenoside C-K or PPD.
Example 3: Effect of ginsenoside C-K or PPD on cell cycle
Generally, when cell aggregates are formed upon cell culture, it is known that when cell aggregation is inhibited, the cell cycle is terminated. Therefore, according to the results obtained in Example 1, ginsenoside CK or PPD is formed into glioblastoma cells To stop the cell cycle of the cells.
That is, according to the method of Example 1, cultured human glioblastoma cell line U251 was treated with 30 μg / ml of ginsenoside C-K, PPD or F2, and cultured for 18 hours to obtain respective cultures. The obtained culture was treated with trypsin to separate each cell, and the separated cells were washed with PBS, and each cell was recovered. Then, the recovered cells were treated with 70% ethanol at 4 DEG C for 30 minutes to fix the recovered cells. The fixed cells were centrifuged at 1200 RPM for 5 minutes to obtain the precipitated length, and the obtained cells were washed with PBS. 50 μl of 100 μg / ml RNAse A solution was added to each of the washed cells, and 200 μl of a 50 μg / ml PI solution was added to each of the cells to stain the cells. The stained cells were flowed at a flow rate of 400 events / sec and analyzed by flow cytometry. At this time, as a control group, glioblastoma cells cultured without treatment with ginsenoside were used.
FIG. 3A is a graph showing the results of classification according to cell cycle in gingenoside C-K, PPD or F2-treated glioblastoma cells at 30 占 퐂 / ml. As shown in FIG. 3A, when ginsenoside F2 was treated, there was no significant difference from the control group. However, when ginsenoside CK or PPD was treated, the number of cells suspended in G0 / G1 state was significantly Respectively.
Thus, it was found that ginsenoside CK or PPD induced cell cycle arrest in G0 / G1 state in glioblastoma cells.
On the other hand, it is known that cyclin D1 promotes the conversion of the G1 state to the S state in the cell cycle, so that the effect of the ginsenoside C-K or PPD on the expression of cyclin D1 was examined.
That is, according to the method of Example 1, cultured human glioblastoma cell line U251 was treated with 30 μg / ml of ginsenoside CK or 40 μg / ml of ginsenoside PPD, and cultured for 6, 12 and 24 hours And each cell was obtained. The obtained cells were treated with an M-PER mammalian protein extraction reagent containing a 10% protease inhibitor and a 2% dephosphorylase inhibitor to obtain respective cell lysates, and each cell lysate thus obtained was subjected to western blot analysis Respectively. At this time, anti-cyclin D1 antibody was used as a primary antibody, and the effect of ginsenoside C-K or PPD on the expression level of cyclin D1 protein involved in the regulation of the cell cycle was confirmed (FIG. 3B). At this time, GAPDH was used as an internal control group.
FIG. 3B shows the expression of cyclin D1 involved in the cell cycle regulation of the ginsenoside-treated glioblastoma cells treated with 30 μg / ml of ginsenoside CK or 40 μg / ml of ginsenoside PPD This is a western blot analysis showing the result of analyzing the level change. As shown in FIG. 3B, it was confirmed that the level of cyclin D1 involved in cell cycle regulation expressed in glioblastoma cells was decreased by treatment with ginsenoside C-K or PPD.
Example 4 Cytotoxicity of Ginsenoside C-K or PPD on Glioblastoma Cells
It was confirmed whether the ginsenoside C-K or PPD used in the present invention exhibited cytotoxicity to glioblastoma cells.
First, cultured human glioblastoma cell line U251 was treated with ginsenoside CK, PPD or F2 at various concentrations (0, 10, 20, 30, 40 or 50 占 퐂 / ml), cultured for 24 hours, Lt; / RTI > cells. Ez-cytox solution was added to each of the cells obtained above, reacted for 2 hours, absorbance was measured at 450 nm, and cell viability was calculated using the measured absorbance (FIG. 4A). At this time, cultured glioblastoma cells treated with DMSO were used as a control group.
4A is a graph showing changes in cell survival rate of glioblastoma cells according to treatment concentrations of ginsenoside C-K, PPD or F2. As shown in FIG. 4A, ginsenoside F2 did not significantly affect cell viability at a level similar to that of the control group. However, it was confirmed that ginsenoside C-K or PPD increased cytotoxicity in a concentration-dependent manner and the cell survival rate was decreased. In particular, it was confirmed that the IC50 value of ginsenoside C-K was 30 占 퐂 / ml, and the IC50 value of ginsenoside PPD was 35 占 퐂 / ml.
Next, the cultured human glioblastoma cell line U251 was treated with 40 占 퐂 / ml of ginsenoside CK, PPD or F2, and cultured for 3, 6, 9, 12, 15, 18, 21 or 24 hours, Cultured cells were obtained. Ez-cytox solution was added to each of the cells obtained above, reacted for 2 hours, absorbance was measured at 450 nm, and cell viability was calculated using the measured absorbance (FIG. 4B). At this time, cultured glioblastoma cells treated with DMSO were used as a control group.
4B is a graph showing changes in cell viability of glioblastoma cells according to the treatment time of ginsenoside C-K, PPD or F2. As shown in FIG. 4B, cells treated with ginsenoside F2 did not show cell survival rate of 50% or less even after 24 hours, whereas cells treated with ginsenoside CK showed cell survival after 3 hours And that the cells treated with ginsenoside PPD showed a relatively gradual decrease in cell viability.
Thus, it was found that ginsenoside C-K or PPD exhibited concentration-dependent or time-dependent cytotoxicity on glioblastoma cells.
Claims (7)
Wherein the PPD is a compound having the structure of Formula 1:
[Chemical Formula 1]
.
Wherein the compound-K is a compound having the structure of Formula 2:
(2)
.
Wherein said pharmaceutical composition inhibits cell adhesion of a glioblastoma and inhibits metastatic metastasis.
Wherein said pharmaceutical composition is cytotoxic to cells of a glioblastoma, thereby treating the glioblastoma.
Wherein the pharmaceutical composition further comprises a pharmaceutically acceptable carrier, excipient or diluent.
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