JP2021101645A - Composition for regulating immune balance - Google Patents
Composition for regulating immune balance Download PDFInfo
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- JP2021101645A JP2021101645A JP2019234183A JP2019234183A JP2021101645A JP 2021101645 A JP2021101645 A JP 2021101645A JP 2019234183 A JP2019234183 A JP 2019234183A JP 2019234183 A JP2019234183 A JP 2019234183A JP 2021101645 A JP2021101645 A JP 2021101645A
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- lactic acid
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- immune balance
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Abstract
Description
本発明は、免疫バランスを調節するための、乳酸菌の培養物を含有する組成物に関する。 The present invention relates to a composition containing a culture of lactic acid bacteria for regulating the immune balance.
抗原を認識したヘルパーT細胞(Th)は、いくつかのサイトカインを細胞外に大量に分泌することで、周囲の免疫反応を特定の方向へと導く役割を持つ。これらのThにはいくつかの種類が存在する。 Helper T cells (Th) that recognize the antigen have a role of guiding the surrounding immune response in a specific direction by secreting a large amount of some cytokines extracellularly. There are several types of these Ths.
例えば、Th1は主にIFN−γを分泌することで、免疫反応を細胞性免疫が強まる方向へと導く。具体的には、IFN−γで刺激されたマクロファージは病原体を活発に貪食し、また細胞傷害性T細胞やNK細胞などを活性化して細胞傷害活性を高める。Th2細胞は、IL−4等を放出し、抗体産生を高める体液性免疫を亢進することで感染防御に寄与する。Tregは、活性化することで炎症性疾患やアレルギーなどを引き起こす過剰な免疫反応にブレーキをかける。Th17は比較的新しく見つかったThの一種であり、IL−17等のサイトカインを分泌する。IL−17は炎症性サイトカインの1種であり、その亢進は自己免疫疾患の病態形成に関与していると考えられている。Th17による免疫反応は細胞外細菌及び真菌からの防御機構として働く一方で、その過剰亢進は関節リウマチ、炎症性腸疾患、多発性硬化症、乾癬などの自己免疫疾患に深く関与していることが明らかになっている。 For example, Th1 mainly secretes IFN-γ to guide the immune response in the direction of strengthening cell-mediated immunity. Specifically, macrophages stimulated with IFN-γ actively phagocytose pathogens and activate cytotoxic T cells, NK cells, and the like to enhance cytotoxic activity. Th2 cells contribute to infection defense by releasing IL-4 and the like and enhancing humoral immunity that enhances antibody production. Tregs brake excessive immune responses that, when activated, cause inflammatory diseases, allergies, and the like. Th17 is a relatively newly discovered type of Th that secretes cytokines such as IL-17. IL-17 is a type of inflammatory cytokine, and its enhancement is considered to be involved in the pathogenesis of autoimmune diseases. While the Th17 immune response acts as a defense mechanism against extracellular bacteria and fungi, its hyperactivity is deeply involved in autoimmune diseases such as rheumatoid arthritis, inflammatory bowel disease, multiple sclerosis, and psoriasis. It has become clear.
そのため、各Thは、それぞれが産生するサイトカインによって互いの働きを抑制しあっており、正常状態において特定のThの働きが亢進しないような仕組みがある。このような免疫の活性化/抑制の適切なバランス(免疫バランス)の維持は、自然および獲得免疫系の生理的機能にとって、非常に重要である。この均衡が崩れると、自己免疫疾患、過敏症、免疫不全などの免疫系疾患につながる。 Therefore, each Th suppresses each other's action by the cytokine produced by each, and there is a mechanism that the action of a specific Th is not enhanced in a normal state. Maintaining such an appropriate balance of immune activation / suppression (immune balance) is very important for the physiological function of the natural and acquired immune system. This imbalance leads to immune system disorders such as autoimmune diseases, hypersensitivity, and immunodeficiency.
アレルギー疾患や自己免疫疾患の克服を目的に、免疫制御機構を適正に機能させることに関し、いくつかの報告がある(特許文献1〜3)。また、乳酸菌に関連したものとして、特許文献4は、ラクトバチルス・パラカゼイKW3110株及びビフィドバクテリウム・ビフィダムYIT4007株の培養物の加熱後凍結乾燥物の組み合わせを経口摂取することにより、アレルギー疾患モデルマウスにおいて、肺胞への好酸球の浸潤の割合が有意に低下し、またpenh(メサコリン吸入に対する気道抵抗(気道過敏性))が低下したとの実験結果、およびコラーゲン誘導性関節炎モデルマウスにおいて抗コラーゲン抗体価が低下し、また関節炎を抑制する傾向が見られたとの実験結果に基づき、(A)ラクトバチルス・パラカゼイ(Lactobacillus paracasei)の菌体及び/又はその処理物と、(B)ビフィドバクテリウム(Bifidobacterium)属の細菌の菌体及び/又はその処理物とを含有することを特徴とする免疫バランス調節用組成物を提案する。特許文献5は、乳酸菌Streptococcus thermophilusの特定の株の培養物の殺菌後凍結乾燥物を添加することにより、TGF-βおよびIL-6で刺激したマウス脾臓細胞を用いた試験において、IFN-γの産生が促進され、かつIL-17の産生が抑制されたとの実験結果に基づき、特定の乳酸菌Streptococcus thermophilusを、IL-17産生抑制の有効成分として含有する医薬又は飲食品を提案する。特許文献6は、加熱殺菌したビフィドバクテリウム・エスピーCFB1株を培地に加えることにより、TGF−βおよびIL−6で刺激したマウス脾臓細胞において、IL−17の産生が抑制されたとの実験結果、およびIFN−γの産生が上昇し、かつIL−4の産生が減少したとの実験結果に基づき、特定のビフィドバクテリウム属微生物を含有し、IL−17の産生を抑制し、好ましくはIFN−γの産生を促進し、かつ、IL−4の産生を抑制する飲食品を提案する。
There are several reports on the proper functioning of the immune control mechanism for the purpose of overcoming allergic diseases and autoimmune diseases (Patent Documents 1 to 3). Further, as related to lactic acid bacteria,
一方、乳酸菌は、その醗酵過程で種々の物質を産生するが、その一つが菌体外多糖(Exopolysaccharides; EPS)である。出願人は、Lactobacillus delbrueckii subsp. bulgaricus OLL 1073 R-1株の培養物の凍結乾燥粉末の経口投与により、慢性関節リウマチの動物実験モデルにおいて、CIA(Collagen-Induced Arthritis)発症率と炎症重篤度の両者とも約1/5に減少したとの実験結果に基づき、ガラクトースとグルコースを構成糖とし且つリンを含有する多糖類生産性を有する乳酸菌、該乳酸菌含有物、その処理物の少なくともひとつを含有してなることを特徴とする自己免疫疾患予防組成物を提案した(特許文献7)。 On the other hand, lactic acid bacteria produce various substances in the fermentation process, one of which is exopolysaccharides (EPS). Applicants received oral administration of lyophilized powder of a culture of Lactobacillus delbrueckii subsp. Bulgaricus OLL 1073 R-1 strain to CIA (Collagen-Induced Arthritis) incidence and inflammatory severity in an animal experimental model of rheumatoid arthritis. Based on the experimental results that both of them were reduced to about 1/5, lactic acid bacteria having polysaccharide productivity containing galactose and glucose as constituent sugars and containing phosphorus, the lactic acid bacteria-containing product, and at least one of the treated products thereof were contained. We have proposed an autoimmune disease preventive composition characterized by the above (Patent Document 7).
免疫バランスの十分な調節という観点からは、Th1、Th2、およびTregからなる群より選択されるいずれかの働きを亢進させるが、Th17の働きは亢進しないことが望ましい。また、食経験のある物質を有効成分とし、免疫バランスの調節ができる組成物があれば望ましいことはいうまでもない。 From the viewpoint of sufficient regulation of immune balance, it is desirable that the function of any one selected from the group consisting of Th1, Th2, and Treg is enhanced, but the function of Th17 is not enhanced. Needless to say, it is desirable to have a composition that can regulate the immune balance by using a substance having eating experience as an active ingredient.
本発明者らは、Lactobacillus delbrueckii subsp. bulgaricus OLL1073R-1で発酵したヨーグルト、または該乳酸菌により産生される菌体外多糖(Exopolysaccharide:EPS)の機能について研究してきた。その中で、今般、EPSに新たな機能を発見し、当該機能に基づき、EPSが免疫バランスの調節において有用に使用できることを見出し、本発明を完成した。 The present inventors have studied the function of yogurt fermented with Lactobacillus delbrueckii subsp. Bulgaricus OLL1073R-1 or exopolysaccharide (EPS) produced by the lactic acid bacterium. Among them, we have recently discovered a new function in EPS, found that EPS can be usefully used in the regulation of immune balance based on the function, and completed the present invention.
本発明は、以下を提供する。
[1] 乳酸菌の菌体外多糖を有効成分として含む、免疫バランスを調節するための組成物。
[2] 免疫バランスを調節することが、IL−17の産生を維持することを含む、1に記載の組成物。
[3] 免疫バランスを調節することが、IFN−γ、IL−4、およびIL−10からなる群より選択されるいずれかの産生を増加させ、IL−17の産生を維持することを含む、1または2に記載の組成物。
[4] 免疫バランスを調節することが、Th17の働きを維持することを含む、1から3のいずれか1項に記載の組成物。
[5] 免疫バランスを調節することが、Th1、Th2、およびTregからなる群より選択されるいずれかの働きを亢進し、Th17の働きを維持することを含む、1から4のいずれか1項に記載の組成物。
[6] 乳酸菌が、ラクトバチルス属に分類されるものである、1から5のいずれか1項に記載の組成物。
[7] 乳酸菌が、ラクトバチルス・デルブルッキー・サブスピーシーズ・ブルガリクスに分類されるものである、1から6のいずれか1項に記載の組成物。
[8] 菌体外多糖を発酵乳として含む、1から7のいずれか1項に記載の組成物。
[9] 乳酸菌の菌体外多糖を対象に投与することを含む、対象における免疫バランスを調節する方法(ヒトに対する医療行為を除く。)。
The present invention provides:
[1] A composition for regulating immune balance, which comprises an extracellular polysaccharide of lactic acid bacteria as an active ingredient.
[2] The composition according to 1, wherein regulating the immune balance comprises maintaining the production of IL-17.
[3] Modulating the immune balance comprises increasing the production of any one selected from the group consisting of IFN-γ, IL-4, and IL-10 and maintaining the production of IL-17. The composition according to 1 or 2.
[4] The composition according to any one of 1 to 3, which comprises regulating the immune balance to maintain the function of Th17.
[5] Any one of 1 to 4 including that regulating the immune balance enhances the action of any one selected from the group consisting of Th1, Th2, and Treg and maintains the action of Th17. The composition according to.
[6] The composition according to any one of 1 to 5, wherein the lactic acid bacterium is classified into the genus Lactobacillus.
[7] The composition according to any one of 1 to 6, wherein the lactic acid bacterium is classified into Lactobacillus delbrucky subspecies bulgaricus.
[8] The composition according to any one of 1 to 7, which contains exopolysaccharide as fermented milk.
[9] A method for regulating the immune balance in a subject, including administration of exopolysaccharide of lactic acid bacteria to the subject (excluding medical practice for humans).
また、本発明は、以下も提供する。
[10] 免疫バランスを調節するための組成物の製造における、乳酸菌の菌体外多糖の使用。
[11] IFN−γ、IL−4、およびIL−10からなる群より選択されるいずれかの産生を増加させ、IL−17の産生を維持するための組成物の製造における、乳酸菌の菌体外多糖の使用。
[12] 免疫バランスを調節するための方法における使用のための、乳酸菌の菌体外多糖または乳酸菌の菌体外多糖を含む組成物。
[13] IFN−γ、IL−4、およびIL−10からなる群より選択されるいずれかの産生を増加させ、IL−17の産生を維持する方法における使用のための、乳酸菌の菌体外多糖または乳酸菌の菌体外多糖を含む組成物。
[14] 乳酸菌の菌体外多糖または乳酸菌の菌体外多糖を含む組成物を対象に投与することを含む、対象における免疫バランスを調節する方法。
[15] 乳酸菌の菌体外多糖または乳酸菌の菌体外多糖を含む組成物を対象に投与することを含む、対象におけるIFN−γ、IL−4、およびIL−10からなる群より選択されるいずれかの産生を増加させ、IL−17の産生を維持するための方法。
The present invention also provides the following.
[10] Use of exopolysaccharides of lactic acid bacteria in the production of compositions for regulating immune balance.
[11] Lactic acid bacteria cells in the production of a composition for increasing the production of any one selected from the group consisting of IFN-γ, IL-4, and IL-10 and maintaining the production of IL-17. Use of exopolysaccharide.
[12] A composition comprising an exopolysaccharide of a lactic acid bacterium or an exopolysaccharide of a lactic acid bacterium for use in a method for regulating an immune balance.
[13] Extracellular lactic acid bacteria for use in methods of increasing production of any one selected from the group consisting of IFN-γ, IL-4, and IL-10 and maintaining production of IL-17. A composition containing a polysaccharide or an extracellular polysaccharide of a lactic acid bacterium.
[14] A method for regulating an immune balance in a subject, which comprises administering to the subject an extracellular polysaccharide of lactic acid bacteria or a composition containing an extracellular polysaccharide of lactic acid bacteria.
[15] Selected from the group consisting of IFN-γ, IL-4, and IL-10 in a subject, which comprises administering to the subject an extracellular polysaccharide of lactic acid bacteria or a composition containing an extracellular polysaccharide of lactic acid bacteria. A method for increasing the production of either and maintaining the production of IL-17.
本発明に拠れば、Th17の働きを亢進させずに、Th1、Th2、およびTregからなる群より選択されるいずれかの働きを亢進させることができ、これにより、対象において、免疫バランスが調節されうる。
また本発明に拠れば、IL−17の分泌を増加させずに、IFN−γ、IL−4、およびIL−10からなる群より選択されるいずれかの分泌を促進させることができ、これにより、対象において免疫バランスが調節されうる。
According to the present invention, it is possible to enhance the function of any one selected from the group consisting of Th1, Th2, and Treg without enhancing the function of Th17, whereby the immune balance is regulated in the subject. sell.
Further, according to the present invention, it is possible to promote the secretion of any one selected from the group consisting of IFN-γ, IL-4, and IL-10 without increasing the secretion of IL-17. , The immune balance can be regulated in the subject.
以下、本発明を詳細に説明する。
本発明は、乳酸菌が産生する菌体外多糖(EPS)を有効成分とする組成物に関する。より詳細には、EPSを有効成分とし、免疫バランスを調節するための組成物に関する。
Hereinafter, the present invention will be described in detail.
The present invention relates to a composition containing extracellular polysaccharide (EPS) produced by lactic acid bacteria as an active ingredient. More specifically, it relates to a composition containing EPS as an active ingredient for regulating immune balance.
[有効成分]
本発明の組成物は、有効成分として乳酸菌のEPSを含む。乳酸菌とは、ブドウ糖を資化して対糖収率で50%以上の乳酸を生産する微生物の総称で、生理学的性質としてグラム陽性菌の球菌または桿菌で、運動性なし、多くの場合胞子形成能なし(バシラス・コアギュランスのように胞子形成能のある乳酸菌もある。)、カタラーゼ陰性などの特徴を有しているものである。乳酸菌は古来、発酵乳等を介して世界各地で食されており、極めて安全性の高い微生物といえる。乳酸菌は、複数の属に分類される。本発明の組成物に含まれる乳酸菌のEPSは、好ましくはラクトバチルス(Lactobacillus)属に分類されるラクトバチルス属乳酸菌により産生されたものである。
[Active ingredient]
The composition of the present invention contains EPS of lactic acid bacteria as an active ingredient. Lactic acid bacteria are a general term for microorganisms that assimilate glucose to produce lactic acid of 50% or more in terms of sugar yield. They are gram-positive cocci or bacilli as physiological properties, and have no motility and often have spore-forming ability. None (some lactic acid bacteria have the ability to form spores, such as Bacillus coccus), and they have characteristics such as catalase negative. Lactic acid bacteria have been eaten all over the world through fermented milk since ancient times, and can be said to be extremely safe microorganisms. Lactic acid bacteria are classified into multiple genera. The EPS of the lactic acid bacterium contained in the composition of the present invention is preferably produced by a lactic acid bacterium of the genus Lactobacillus, which is classified into the genus Lactobacillus.
本発明の組成物に用いられるEPSは、目的の効果を有する限り、特に限定されない。乳酸菌が産生するEPSは、構造的に、ホモ多糖であるものとヘテロ多糖であるもの(例えば、ガラクトースとグルコースから構成されるもの)に分類され、リン酸化や硫酸化などの修飾を受けている場合もあるが、いずれも本発明の組成物の有効成分として用いることができる。好ましいEPSの例の一つは、中性多糖体、および中性多糖体にリン酸基が付加した酸性多糖体の少なくとも一方を含むものである。このようなEPSは、ラクトバチルス・デルブルッキー・サブスピーシーズ・ブルガリクス(Lactobacillus delbrueckii subsp. bulgaricus)や、ラクトコッカス・ラクティス・サブスピーシーズ・クレモリス(Lactococcus lactis subsp. cremoris)などによって産生されることが知られている。本発明に用いられるEPSは、一種でもよく、2種以上の組み合わせであってもよい。 The EPS used in the composition of the present invention is not particularly limited as long as it has the desired effect. EPS produced by lactic acid bacteria is structurally classified into homopolysaccharides and heteropolysaccharides (for example, those composed of galactose and glucose), and has undergone modifications such as phosphorylation and sulfation. In some cases, any of them can be used as an active ingredient of the composition of the present invention. One of the preferred examples of EPS is one that contains at least one of a neutral polysaccharide and an acidic polysaccharide in which a phosphate group is added to the neutral polysaccharide. It is known that such EPS is produced by Lactobacillus delbrueckii subsp. Bulgaricus and Lactococcus lactis subsp. Cremoris. Has been done. The EPS used in the present invention may be one type or a combination of two or more types.
本発明の組成物に用いられる特に好ましいEPSを産生する乳酸菌の例は、ラクトバチルス属乳酸菌である。ラクトバチルス属乳酸菌としては、例えば、ブルガリクス種、カゼイ種、アシドフィルス種、プランタラム種などが挙げられる。これらのラクトバチルス属乳酸菌の中でも、本発明では、ラクトバチルス・デルブルッキー・サブスピーシーズ・ブルガリクス(Lactobacillus delbrueckii subsp. bulgaricus)(ブルガリクス菌とも称する)に分類されるものであることがより好ましい。特に好ましい態様においては、乳酸菌は、ラクトバチルス・デルブルッキー・サブスピーシーズ・ブルガリクスOLL1073 R−1菌(受託番号:FERM BP−10741)(「ブルガリクス菌R−1株」と称することがある。)である。すなわち、本発明の組成物に用いられるEPSの特に好ましい例の一つは、ブルガリクス菌R−1株が産生するEPSである。 An example of a particularly preferred EPS-producing lactic acid bacterium used in the compositions of the present invention is Lactobacillus lactic acid bacterium. Examples of Lactobacillus lactic acid bacteria include Bulgaricus species, Casei species, Acidophilus species, Plantalum species and the like. Among these Lactobacillus lactic acid bacteria, in the present invention, it is more preferable that they are classified into Lactobacillus delbrueckii subsp. Bulgaricus (also referred to as Bulgaricus bacterium). In a particularly preferred embodiment, the lactic acid bacterium may be referred to as Lactobacillus delbrucky Subspecies Bulgaricus OLL1073 R-1 bacterium (accession number: FERM BP-10741) ("Bulgaricus bacterium R-1 strain". ). That is, one of the particularly preferable examples of EPS used in the composition of the present invention is EPS produced by the Bulgaricus R-1 strain.
ブルガリクス菌R−1株は、独立行政法人製品評価技術基盤機構特許生物寄託センター(IPOD,NITE)(日本国千葉県木更津市かずさ鎌足2−5−8 120号室)にブタペスト条約に基づき、国際寄託されている(寄託者:株式会社 明治、寄託日:2006年11月29日、受託番号:FERM BP−10741)。 The Bulgaris bacterium R-1 strain was sent to the Patent Organism Depositary Center (IPOD, NITE) (Kazusakamatari Room 2-5-8 120, Kisarazu City, Chiba Prefecture, Japan) based on the Butapest Convention. It has been deposited internationally (Depositor: Meiji Co., Ltd., Deposit date: November 29, 2006, Deposit number: FERM BP-10741).
本発明の組成物に含まれる乳酸菌のEPSは、乳酸菌発酵物として含まれていてもよい。乳酸菌発酵物には、乳酸菌による発酵物自体のほか、その処理物が含まれる。乳酸菌発酵物自体には、例えば発酵乳(具体的には、ヨーグルト等)が含まれる。処理物には、例えば、粗精製物、精製物、発酵物をろ過、遠心分離、または膜分離で除菌して得られた培養濾液や培養上清液、培養濾液・培養上清液を濃縮した濃縮物、濃縮物の乾燥物が含まれる。 The EPS of lactic acid bacteria contained in the composition of the present invention may be contained as a fermented product of lactic acid bacteria. The fermented product of lactic acid bacteria includes the fermented product itself by lactic acid bacteria and the processed product thereof. The fermented lactic acid bacterium itself contains, for example, fermented milk (specifically, yogurt or the like). For the treated product, for example, a culture filtrate, a culture supernatant, or a culture filtrate / culture supernatant obtained by sterilizing a crude product, a purified product, or a fermented product by filtration, centrifugation, or membrane separation is concentrated. Concentrates and dried concentrates are included.
乳酸菌のEPSの調製方法は従来技術を利用することができ、より詳細な条件が必要な場合は、本明細書の実施例等を参照することができる。また、乳酸菌のEPSを乳酸菌発酵物として調製する場合は、EPSを産生する乳酸菌をスターターとして原料乳に添加し、発酵させ、EPSを発酵物中に産生させることで、EPSを含む発酵乳が製造できる。発酵の際の条件、例えば、原料乳、発酵温度、発酵時間は、用いる乳酸菌がEPSを産生することができれば特に制限されず、当業者であれば、適宜設定することができる。 Conventional techniques can be used for preparing EPS of lactic acid bacteria, and examples of the present specification can be referred to when more detailed conditions are required. When the EPS of lactic acid bacteria is prepared as a fermented product of lactic acid bacteria, the fermented milk containing EPS is produced by adding the lactic acid bacteria that produce EPS to the raw material milk as a starter and fermenting the EPS to produce EPS in the fermented product. it can. Fermentation conditions, such as raw milk, fermentation temperature, and fermentation time, are not particularly limited as long as the lactic acid bacteria used can produce EPS, and can be appropriately set by those skilled in the art.
[用途]
本発明の組成物は、免疫バランスを調節するために用いることができる。
[Use]
The compositions of the present invention can be used to regulate the immune balance.
本発明でいう免疫バランスの調節は、IL−17の産生を維持すること、またはIFN−γ、IL−4、およびIL−10からなる群より選択されるいずれかの産生を増加させることを含む。免疫バランスの調節は、好ましくはIL−17の産生を維持し、かつIFN−γ、IL−4、およびIL−10からなる群より選択される少なくとも一つの産生を増加させることを含み、より好ましくはIL−17の産生を維持し、かつIFN−γ、IL−4、およびIL−10の産生を増加させることを含む。 The regulation of immune balance as used in the present invention includes maintaining the production of IL-17 or increasing the production of any one selected from the group consisting of IFN-γ, IL-4, and IL-10. .. Modulation of the immune balance preferably comprises maintaining the production of IL-17 and increasing the production of at least one selected from the group consisting of IFN-γ, IL-4, and IL-10, more preferably. Includes maintaining IL-17 production and increasing IFN-γ, IL-4, and IL-10 production.
サイトカインの産生に関し、「維持(する)」とは、増加も減少もしないことをいう。維持するといえるか否か、また増加させるといえるか否かは、当業者であれば適宜判断できる。 With respect to cytokine production, "maintaining" means neither increasing nor decreasing. Those skilled in the art can appropriately determine whether or not it can be said to be maintained and whether or not it can be said to be increased.
例えば、次のように判断することができる:
評価しようとする成分を投与する群と投与しない群それぞれについて、目的のサイトカインの産生量について測定する。そして投与の有無で有意差検定を行い、P値が有意水準(典型的には0.05)を下回ったときに差がある(「増加させる」、等)と判断することができる。
また両群について平均値を求め、平均値の差が比較的小さいとき、例えば20%以下、好ましくは10%以下であるときに、「維持する」と判断することができる。または投与の有無で有意差検定を行い、P値が比較的大きいとき、例えば、0.5以上、好ましくは0.6以上、より好ましくは0.7以上、さらに好ましくは0.8以上のときに、「維持する」と判断することができる。
For example, we can determine:
The amount of the target cytokine produced is measured for each of the group to which the component to be evaluated is administered and the group to which the component to be evaluated is not administered. Then, a significance test is performed depending on the presence or absence of administration, and it can be determined that there is a difference (“increase”, etc.) when the P value falls below the significance level (typically 0.05).
Further, the average value is obtained for both groups, and when the difference between the average values is relatively small, for example, 20% or less, preferably 10% or less, it can be determined to "maintain". Alternatively, a significant difference test is performed with or without administration, and when the P value is relatively large, for example, 0.5 or more, preferably 0.6 or more, more preferably 0.7 or more, still more preferably 0.8 or more. In addition, it can be judged to "maintain".
本発明でいう免疫バランスの調節とはまた、Th17の働きを維持すること、またはTh1、Th2、およびTregからなる群より選択されるいずれかの働きを亢進させることを含む。免疫バランスの調節は、好ましくはTh17の働きを維持し、かつTh1、Th2、およびTregからなる群より選択される少なくとも一つの働きを亢進させることを含み、より好ましくはTh17の働きを維持し、かつTh1、Th2、およびTregの働きを亢進させることを含む。 The regulation of immune balance as used in the present invention also includes maintaining the function of Th17 or enhancing the function of any one selected from the group consisting of Th1, Th2, and Treg. Regulation of immune balance preferably comprises maintaining Th17 activity and enhancing at least one activity selected from the group consisting of Th1, Th2, and Treg, more preferably maintaining Th17 activity. And it includes enhancing the action of Th1, Th2, and Treg.
ヘルパーT細胞の働きに関し、「維持(する)」とは、亢進させないことをいう。維持するといえるか否か、また亢進させるといえるか否かは、目的のT細胞が産生するサイトカインの産生量を分析することにより判断することができる。 Regarding the function of helper T cells, "maintaining" means not enhancing. Whether or not it can be said to be maintained and whether or not it can be said to be enhanced can be determined by analyzing the amount of cytokine produced by the target T cell.
本発明の組成物によるIFN−γ、IL−4、およびIL−10の産生の増加、ならびにIL−17の産生の維持は、脾臓において確認できる。IFN−γ、IL−4、IL−10、およびIL−17の産生量は、例えば、末梢血において分析することができ、また末梢血から得たT細胞を適切な方法によって刺激することにより増加する程度を分析することにより、評価できる。IFN−γ、IL−4、IL−10、およびIL−17の分析に際しては、市販のキット用いて分析できる。 Increased production of IFN-γ, IL-4, and IL-10 and maintenance of IL-17 production by the compositions of the present invention can be confirmed in the spleen. Production of IFN-γ, IL-4, IL-10, and IL-17 can be analyzed, for example, in peripheral blood and can be increased by stimulating T cells from peripheral blood in an appropriate manner. It can be evaluated by analyzing the degree of doing. IFN-γ, IL-4, IL-10, and IL-17 can be analyzed using commercially available kits.
分析とは、分析対象分子の、存在の有無、および存在する場合はその程度(量)のいずれかを測定することをいう。 Analysis refers to measuring either the presence or absence of a molecule to be analyzed and, if so, its degree (amount).
本発明の組成物は、免疫バランスの調節が、感染症やがんの処置のための他の療法と一緒に行われる場合であっても、用いることができる。そのような他の療法には、薬物による療法、手術、放射線治療、他の免疫療法(例えば、サイトカイン療法、免疫賦活剤の投与、免疫細胞移植、等)、健康食品やサプリメントの摂取、運動療法等がある。 The compositions of the present invention can be used even when the regulation of immune balance is performed in conjunction with other therapies for the treatment of infections and cancers. Such other therapies include drug therapy, surgery, radiation therapy, other immunotherapies (eg, cytokine therapy, administration of immunostimulators, immune cell transplantation, etc.), intake of health foods and supplements, exercise therapy. And so on.
本発明の組成物により免疫バランスが調節されることで、各種の免疫疾患の発症リスクが低減され、また治療が期待できる。免疫疾患の例は、関節リウマチとその類縁疾患(例えば、関節リウマチ、悪性関節リウマチ/リウマトイド血管炎、リウマチ性多発筋痛症、RS3PE症候群、変形性手関節症)、脊椎関節炎(例えば、強直性脊椎炎、乾癬性関節炎、SAPHO症候群、反応性関節炎)、(自己免疫疾患(例えば、全身性エリテマトーデス、全身性強皮症、多発性筋炎・皮膚筋炎、筋無症候性皮膚筋炎、混合性結合組織病、シェーグレン症候群、抗リン脂質抗体症候群)、 ベーチェット病、成人スティル病、再発性多発軟骨炎、キャッスルマン病、TAFRO症候群、血管炎症候群(例えば、高安動脈炎、巨細胞性動脈炎、結節性多発動脈炎、ANCA関連血管炎、顕微鏡的多発血管炎、多発血管炎性肉芽腫症、好酸球性多発血管炎性肉芽腫症、アレルギー疾患(気管支喘息、好酸球増多症、IgG4関連疾患、血管性浮腫)、肺高血圧症、不明熱、骨粗鬆症、感染症(ニューモシスチス肺炎、帯状疱疹)等がある。 By regulating the immune balance with the composition of the present invention, the risk of developing various immune diseases is reduced, and treatment can be expected. Examples of immune disorders include rheumatoid arthritis and related disorders (eg, rheumatoid arthritis, malignant rheumatoid arthritis / rheumatoid vasculitis, rheumatic polymyositis, RS3PE syndrome, dermatomyositis deformans), dermatomyositis (eg, tonic). Spondylitis, psoriasis vasculitis, SAPHO syndrome, reactive arthritis), (autoimmune diseases (eg, systemic erythematosus, systemic vasculitis, polymyositis / dermatomyositis, myonsymptomatic dermatomyositis, mixed connective tissue) Diseases, Schegren's syndrome, antiphospholipid antibody syndrome), Bechet's disease, adult Still's disease, recurrent polychondritis, Castleman's disease, TAFRO syndrome, vasculitis syndrome (eg, hyperan arteritis, giant cell artitis, nodular) Polyarteritis, ANCA-related vasculitis, microscopic polyangiitis, polyangiitis granulomatosis, eosinophilia polyangiitis granulomatosis, allergic diseases (bronchial asthma, eosinophilia, IgG4-related) Diseases, vasculitis), pulmonary hypertension, unknown fever, osteoporosis, infectious diseases (pneumocystis pneumonia, herpes zoster), etc.
本発明の組成物の一態様は、自己免疫疾患予防組成物を除いた、免疫バランスを調節するための組成物、およびIFN−γ、IL−4、およびIL−10からなる群より選択されるいずれかの産生を増加させ、IL−17の産生を維持するための組成物である。
ものである。
One aspect of the composition of the present invention is selected from the composition for regulating immune balance, excluding the autoimmune disease preventive composition, and the group consisting of IFN-γ, IL-4, and IL-10. A composition for increasing the production of either and maintaining the production of IL-17.
It is a thing.
[組成物]
(食品組成物等)
本発明の組成物は、食品組成物または医薬組成物とすることができる。食品および医薬品は、特に記載した場合を除き、ヒトのためのもののみならず、ヒト以外の動物のためのものを含む。食品は、特に記載した場合を除き、一般食品、機能性食品、栄養組成物を含み、また治療食(治療の目的を果たすもの。医師が食事箋を出し、それに従い栄養士等が作成した献立に基づいて調理されたもの。)、食事療法食、成分調整食、介護食、治療支援用食品を含む。食品は、特に記載した場合を除き、固形物のみならず、液状のもの、例えば飲料、ドリンク剤、流動食、およびスープを含む。機能性食品とは、生体に所定の機能性を付与できる食品をいい、例えば、特定保健用食品(条件付きトクホ[特定保健用食品]を含む)、機能性表示食品、栄養機能食品を含む保健機能食品、特別用途食品、栄養補助食品、健康補助食品、サプリメント(例えば、錠剤、被覆錠、糖衣錠、カプセル、液剤等の各種の剤型のもの)、美容食品(例えば、ダイエット食品)等の、健康食品の全般を包含している。また、本発明において「機能性食品」とは、コーデックス(FAO/WHO合同食品規格委員会)の食品規格に基づく健康強調表示(Health claim)が適用される健康食品を包含している。
[Composition]
(Food composition, etc.)
The composition of the present invention can be a food composition or a pharmaceutical composition. Foods and pharmaceuticals include those for non-human animals as well as those for humans, unless otherwise stated. Unless otherwise specified, foods include general foods, functional foods, nutritional compositions, and therapeutic foods (those that serve the purpose of treatment. Doctors issue meals, and nutritionists, etc. prepare foods accordingly. Includes foods cooked based on), dietary foods, ingredient-adjusted foods, nursing foods, and therapeutic support foods. Foods include not only solids but also liquids such as beverages, energy drinks, liquid foods, and soups, unless otherwise specified. Functional foods are foods that can impart predetermined functionality to living organisms, for example, foods for specified health use (including conditional foods [food for specified health use]), foods with functional claims, and health foods including nutritionally functional foods. Functional foods, special-purpose foods, nutritional supplements, health supplements, supplements (for example, tablets, coated tablets, sugar-coated tablets, capsules, liquids and other various dosage forms), beauty foods (for example, diet foods), etc. It includes all kinds of health foods. Further, in the present invention, the "functional food" includes a health food to which a health claim based on the food standard of Codex (FAO / WHO Joint Food Standards Committee) is applied.
(対象)
本発明の組成物は、免疫バランスの調節が好ましい対象に、摂取させる、または投与するのに適している。このような対象には、乳幼児、子ども、成人(15歳以上)、中高年者、高齢者(65歳以上)、病中病後の者、妊婦、産婦、男性、女性が含まれる。
(Target)
The compositions of the present invention are suitable for ingestion or administration to subjects who prefer to regulate their immune balance. Such subjects include infants, children, adults (15 years and older), middle-aged and elderly people (65 years and older), those after illness, pregnant women, pregnant women, men and women.
(投与経路)
本発明の組成物は、種々の経路で投与しうる。投与する経路の例は、経口投与(PO)、経管栄養(胃瘻、腸瘻)、注腸投与、経皮投与、経粘膜投与、吸入投与、皮膚上投与、吸入投与、注腸投与、腹腔内投与(IP)、点眼、点耳、経鼻投与、膣内投与、経静脈投与(IV)、経動脈投与(IA)、筋肉内投与(IM)、皮下投与(SC、sub−Q)、皮内投与(ID)等である。本発明の組成物は、経腸投与(経口投与、経管栄養、または注腸投与)することが好ましいが、本発明の組成物の有効成分はEPSであるので、乳酸菌または発酵物を有効成分とする場合に比較して、投与経路がより広く選択でき、また投与経路に適した剤型とすることがより容易である。
(Route of administration)
The compositions of the present invention can be administered by various routes. Examples of administration routes include oral administration (PO), tube feeding (gastrostomy, enteral fistula), enema administration, transdermal administration, transmucosal administration, inhalation administration, intradermal administration, inhalation administration, enema administration, Intraperitoneal administration (IP), eye drops, ear drops, nasal administration, intravaginal administration, intravenous administration (IV), transarterial administration (IA), intramuscular administration (IM), subcutaneous administration (SC, sub-Q) , Intradermal administration (ID), etc. The composition of the present invention is preferably administered by intestine (oral administration, tube feeding, or enema administration), but since the active ingredient of the composition of the present invention is EPS, a lactic acid bacterium or a fermented product is used as an active ingredient. In comparison with the case of, the administration route can be selected more widely, and it is easier to obtain a dosage form suitable for the administration route.
(有効成分の含有量・用量)
本発明の組成物における、乳酸菌のEPSの含有量は、目的の効果が発揮される量であればよい。組成物は、その被験体の年齢、体重、症状等の種々の要因を考慮して、その投与量または摂取量を適宜設定することができるが、一日量あたりの乳酸菌のEPSの量は、例えば0.1 mg以上とすることができ、0.6 mg以上とすることが好ましく、1 mg以上とすることがより好ましく、3 mg以上とすることが特に好ましい。一日量あたりのEPSの量の上限値は、下限値がいずれの場合であっても、500 mg以下とすることができ、300 mg以下とすることが好ましく、250 mg以下とすることが特に好ましい。
(Content / dose of active ingredient)
The content of EPS of lactic acid bacteria in the composition of the present invention may be any amount as long as the desired effect is exhibited. The dose or intake of the composition can be appropriately set in consideration of various factors such as the age, body weight, and symptoms of the subject, but the amount of EPS of lactic acid bacteria per day is determined. For example, it can be 0.1 mg or more, preferably 0.6 mg or more, more preferably 1 mg or more, and particularly preferably 3 mg or more. The upper limit of the amount of EPS per daily dose can be 500 mg or less, preferably 300 mg or less, and particularly 250 mg or less, regardless of the lower limit. preferable.
1投与または1食あたり、すなわち一回量あたりの乳酸菌のEPSの量は、例えば0.03 mg以上とすることができ、0.2 mg以上とすることが好ましく、1 mg以上とすることがより好ましい。一回量あたりのEPSの量の上限値は、下限値がいずれの場合であっても、200 mg以下とすることができ、100 mg以下とすることが好ましく、70 mg以下とすることがより好ましく、30 mg以下とすることが特に好ましい。 The amount of EPS of lactic acid bacteria per administration or meal, that is, per dose, can be, for example, 0.03 mg or more, preferably 0.2 mg or more, and more preferably 1 mg or more. The upper limit of the amount of EPS per dose can be 200 mg or less, preferably 100 mg or less, and more preferably 70 mg or less, regardless of the lower limit. It is preferably 30 mg or less, and particularly preferably 30 mg or less.
本発明の組成物における、乳酸菌のEPSを発酵乳のような組成物として用いる場合、組成物としての一日量は、例えば30 g以上とすることができ、50 g以上とすることが好ましく、60 g以上とすることがより好ましく、100 g以上とすることが特に好ましい。発酵乳としての一日量の上限値は、下限値がいずれの場合であっても、例えば1500 g以下とすることができ、1200 g以下とすることが好ましく、900 g以下とすることがより好ましく、600 g以下とすることがより好ましい。 When EPS of lactic acid bacteria in the composition of the present invention is used as a composition such as fermented milk, the daily amount of the composition can be, for example, 30 g or more, preferably 50 g or more. It is more preferably 60 g or more, and particularly preferably 100 g or more. The upper limit of the daily amount of fermented milk can be, for example, 1500 g or less, preferably 1200 g or less, and more preferably 900 g or less, regardless of the lower limit. It is preferably 600 g or less, more preferably 600 g or less.
組成物としての一回量は、例えば10 g以上とすることができ、20 g以上とすることが好ましく、30 g以上とすることがより好ましい。組成物としての一回量の上限値は、下限値がいずれの場合であっても、例えば500 g以下とすることができ、400 g以下とすることが好ましく、200 g以下とすることがより好ましく、125 g以下とすることが特に好ましい。 The single dose of the composition can be, for example, 10 g or more, preferably 20 g or more, and more preferably 30 g or more. Regardless of the lower limit, the upper limit of the single dose of the composition can be, for example, 500 g or less, preferably 400 g or less, and more preferably 200 g or less. It is preferably 125 g or less, and particularly preferably 125 g or less.
組成物は、一日1回の投与・摂取としてもよいし、一日複数回、例えば食事毎の3回の投与としてもよい。組成物は、食経験豊富な乳酸菌のEPSを有効成分としている。そのため、本発明の組成物は、有効成分が食経験の長いEPSであるため、長期間の摂取に適している。そのため繰り返し、または長期間にわたって摂取してもよく、例えば3日以上、好ましくは1週間以上、より好ましくは4週間以上、特に好ましくは1カ月以上、続けて投与・摂取することができる。なおEPSの投与・摂取量を増やしてもIL−17の産生にはほとんど影響を及ぼさないと考えられる。 The composition may be administered / ingested once a day, or may be administered a plurality of times a day, for example, three times per meal. The composition contains EPS of lactic acid bacteria with abundant eating experience as an active ingredient. Therefore, the composition of the present invention is suitable for long-term ingestion because the active ingredient is EPS having a long eating experience. Therefore, it may be ingested repeatedly or for a long period of time, and can be continuously administered and ingested, for example, for 3 days or more, preferably 1 week or more, more preferably 4 weeks or more, and particularly preferably 1 month or more. It is considered that increasing the administration / intake of EPS has almost no effect on the production of IL-17.
(他の成分、添加剤)
本発明の組成物は、食品または医薬品として許容可能な他の有効成分や栄養成分を含んでいてもよい。そのような成分の例は、アミノ酸類(例えば、リジン、アルギニン、グリシン、アラニン、グルタミン酸、ロイシン、イソロイシン、バリン)、糖質(グルコース、ショ糖、果糖、麦芽糖、トレハロース、エリスリトール、マルチトール、パラチノース、キシリトール、デキストリン)、電解質(例えば、ナトリウム、カリウム、カルシウム、マグネシウム)、ビタミン(例えば、ビタミンA、ビタミンB1、ビタミンB2、ビタミンB6、ビタミンB12、ビタミンC、ビタミンD、ビタミンE、ビタミンK、ビオチン、葉酸、パントテン酸およびニコチン酸類)、ミネラル(例えば、銅、亜鉛、鉄、コバルト、マンガン)、抗生物質、食物繊維、タンパク質、脂質等である。
(Other ingredients and additives)
The compositions of the present invention may contain other active or nutritional ingredients that are acceptable as foods or pharmaceuticals. Examples of such ingredients are amino acids (eg, lysine, arginine, glycine, alanine, glutamic acid, leucine, isoleucine, valine), sugars (glucose, sucrose, fructose, malt sugar, trehalose, erythritol, maltitol, palatinose). , Xylitol, dextrin), electrolytes (eg sodium, potassium, calcium, magnesium), vitamins (eg vitamin A, vitamin B1, vitamin B2, vitamin B6, vitamin B12, vitamin C, vitamin D, vitamin E, vitamin K, Biotins, folic acid, pantothenic acids and nicotinic acids), minerals (eg copper, zinc, iron, cobalt, manganese), antibiotics, dietary fiber, proteins, lipids and the like.
また組成物は、食品または医薬として許容される添加物をさらに含んでいてもよい。そのような添加物の例は、不活性担体(固体や液体担体)、賦形剤、界面活性剤、結合剤、崩壊剤、滑沢剤、溶解補助剤、懸濁化剤、コーティング剤、着色剤、保存剤、緩衝剤、pH調整剤、乳化剤、安定剤、甘味料、酸化防止剤、香料、酸味料、天然物である。より具体的には、水、他の水性溶媒、製薬上で許容される有機溶媒、コラーゲン、ポリビニルアルコール、ポリビニルピロリドン、カルボキシビニルポリマー、アルギン酸ナトリウム、水溶性デキストラン、水溶性デキストリン、カルボキシメチルスターチナトリウム、ペクチン、キサンタンガム、アラビアゴム、カゼイン、ゼラチン、寒天、グリセリン、プロピレングリコール、ポリエチレングリコール、ワセリン、パラフィン、ステアリルアルコール、ステアリン酸、ヒト血清アルブミン、マンニトール、ソルビトール、ラクトース、スクラロース、ステビア、アスパルテーム、アセスルファムカリウム、クエン酸、乳酸、りんご酸、酒石酸、リン酸、酢酸、果汁、野菜汁等である。 The composition may also further include food or pharmaceutically acceptable additives. Examples of such additives are inert carriers (solid and liquid carriers), excipients, surfactants, binders, disintegrants, lubricants, solubilizers, suspending agents, coatings, colorings. Agents, preservatives, buffers, pH regulators, emulsifiers, stabilizers, sweeteners, antioxidants, fragrances, acidulants, natural products. More specifically, water, other aqueous solvents, pharmaceutically acceptable organic solvents, collagen, polyvinyl alcohol, polyvinylpyrrolidone, carboxyvinyl polymer, sodium alginate, water-soluble dextran, water-soluble dextrin, sodium carboxymethyl starch, Pectin, xanthan gum, arabic gum, casein, gelatin, agar, glycerin, propylene glycol, polyethylene glycol, vaseline, paraffin, stearyl alcohol, stearic acid, human serum albumin, mannitol, sorbitol, lactose, sucralose, stevia, aspartame, assesulfam potassium, Citric acid, lactic acid, apple acid, dextrinic acid, phosphoric acid, acetic acid, fruit juice, vegetable juice and the like.
(剤型・形態)
本発明の医薬組成物は、投与経路に応じ、エアゾール剤、液剤、エキス剤(軟エキス剤、乾燥エキス剤)、エリキシル剤、カプセル剤(硬カプセル剤、軟カプセル剤、顆粒剤、丸剤、眼軟膏剤、経皮吸収型製剤懸濁剤・乳剤、坐剤、散剤、酒精剤、錠剤(口腔内崩壊錠、チュアブル錠、発泡錠、即放性錠剤(素錠,裸錠) 、糖衣錠)、シロップ剤、浸剤・煎剤、注射剤、貼付剤、チンキ剤、点眼剤、トローチ剤、軟膏剤、パップ剤、芳香水剤、リニメント剤、リモナーデ剤、流エキス剤、ローション剤等の任意の剤型にすることができる。
(Dosage form / form)
The pharmaceutical composition of the present invention comprises an aerosol agent, a liquid agent, an extract agent (soft extract agent, a dry extract agent), an elixir agent, a capsule agent (hard capsule agent, a soft capsule agent, a granule, a pill, a pill), depending on the administration route. Ophthalmic ointment, transdermal absorption type formulation Suspension / emulsion, suppository, powder, alcohol, tablets (orally disintegrating tablets, chewable tablets, effervescent tablets, immediate release tablets (bare tablets, naked tablets), sugar-coated tablets) , Syrups, dipping / decoctions, injections, patches, tinctures, eye drops, troches, ointments, poultices, aromatic waters, liniments, limonades, flow extracts, lotions, etc. Can be molded.
経口投与に適した剤型としては、錠剤、顆粒剤、散剤、丸剤、カプセル剤等の固形製剤、液剤、懸濁剤、シロップ剤等の液体製剤、ジェル剤、エアロゾル剤等が挙げられる。 Dosage forms suitable for oral administration include solid preparations such as tablets, granules, powders, pills and capsules, liquid preparations such as liquids, suspensions and syrups, gels and aerosols.
本発明の食品組成物は、固体、液体、混合物、懸濁液、粉末、顆粒、ペースト、ゼリー、ゲル、カプセル等の任意の形態に調製されたものであってよい。また、本発明に係る食品組成物は、乳製品、サプリメント、菓子、飲料、ドリンク剤、調味料、加工食品、惣菜、スープ等の任意の形態にすることができる。より具体的には、本発明の組成物は、乳飲料、清涼飲料、乳酸菌飲料、乳性飲料、発酵乳、ヨーグルト、アイスクリーム、タブレット、チョコレート、チーズ、パン、ビスケット、クラッカー、ピッツァクラスト、調製粉乳、液体ミルク、流動食、病者用食品、栄養食品、冷凍食品、加工食品等の形態とすることができ、また飲料や食品に混合して摂取するための、顆粒、粉末、ペースト、濃厚液等の形態とすることができる。 The food composition of the present invention may be prepared in any form such as solid, liquid, mixture, suspension, powder, granule, paste, jelly, gel, capsule and the like. In addition, the food composition according to the present invention can be in any form such as dairy products, supplements, confectionery, beverages, energy drinks, seasonings, processed foods, prepared foods, soups and the like. More specifically, the compositions of the present invention are dairy beverages, soft beverages, lactic acid bacteria beverages, dairy beverages, fermented milk, yogurt, ice cream, tablets, chocolate, cheese, bread, biscuits, crackers, pizza crusts, preparations. It can be in the form of milk powder, liquid milk, liquid foods, foods for the sick, nutritional foods, frozen foods, processed foods, etc., and granules, powders, pastes, and concentrates for mixing with beverages and foods. It can be in the form of a liquid or the like.
(その他)
本発明の組成物の製造において、乳酸菌のEPSの配合の段階は、適宜選択することができる。乳酸菌のEPSの特性を著しく損なわない限り配合の段階は特に制限されない。例えば、EPSを産生する乳酸菌を培養して得られたEPSを含む培養物やその粗精製物、精製物を、製造工程の様々な段階で、原材料に混合して配合することができる。あるいは、本発明の組成物を発酵乳として実施する場合は、EPSを含む培養物やその粗精製物、精製物を原材料や発酵後の発酵乳に混合して配合するか、EPSを産生する乳酸菌をスターターとして原料乳に添加し、発酵させ、EPSを産生させることで、EPSを含む発酵乳が製造できる。
(Other)
In the production of the composition of the present invention, the stage of blending EPS of lactic acid bacteria can be appropriately selected. The compounding stage is not particularly limited as long as the EPS characteristics of lactic acid bacteria are not significantly impaired. For example, a culture containing EPS obtained by culturing an EPS-producing lactic acid bacterium, a crude product thereof, and a purified product can be mixed and blended with raw materials at various stages of the production process. Alternatively, when the composition of the present invention is carried out as fermented milk, a culture containing EPS, a crude refined product thereof, or a refined product thereof is mixed with a raw material or fermented milk after fermentation and blended, or a lactic acid bacterium that produces EPS. Is added to the raw material milk as a starter and fermented to produce EPS, whereby fermented milk containing EPS can be produced.
本発明の組成物には、免疫バランスの調節のために用いることができる旨を表示することができ、また特定の対象に対して摂取を薦める旨を表示することができる。表示は、直接的にまたは間接的にすることができ、直接的な表示の例は、製品自体、パッケージ、容器、ラベル、タグ等の有体物への記載であり、間接的な表示の例は、ウェブサイト、店頭、パンフレット、展示会、メディアセミナー等のセミナー、書籍、新聞、雑誌、テレビ、ラジオ、郵送物、電子メール、音声等の、場所または手段による、広告・宣伝活動を含む。 The composition of the present invention can be labeled as being usable for the regulation of immune balance, and can be labeled as being recommended for ingestion by a specific subject. Labeling can be direct or indirect, examples of direct labeling are descriptions on tangible objects such as the product itself, packages, containers, labels, tags, and examples of indirect labeling are. Includes advertising and publicity activities by location or means such as websites, storefronts, pamphlets, exhibitions, media seminars and other seminars, books, newspapers, magazines, television, radio, mailings, e-mail, audio, etc.
以下、実施例を用いて、本発明をさらに具体的に説明する。但し、本発明の技術的範囲は、これら実施例に限定されるものではない。 Hereinafter, the present invention will be described in more detail with reference to Examples. However, the technical scope of the present invention is not limited to these examples.
<EPS(菌体外多糖体)の調製>
実施例1においては、10質量%脱脂粉乳培地でLactobacillus delbrueckii subsp. bulgaricus OLL1073R-1を培養して得た培養物中のEPSを精製した。すなわち、37℃で18時間培養した培養物に、終濃度10質量%になるようトリクロロ酢酸を加えて変性タンパク質を除去し、冷エタノールを加えて4℃で2時間静置してEPSを含む沈殿物を得た。これを、透析膜(分画分子量6,000 - 8,000)を用いてMilliQ水に対して透析し、核酸とタンパク質を酵素分解した後、再度エタノール沈殿を行って沈殿物を得た。これをMilliQ水に溶解し、再度透析を行った後に凍結乾燥を行ってEPSを精製した。
<Preparation of EPS (Extracellular polysaccharide)>
In Example 1, EPS in the culture obtained by culturing Lactobacillus delbrueckii subsp. Bulgaricus OLL1073R-1 in 10% by mass skim milk powder medium was purified. That is, trichloroacetic acid was added to the culture cultured at 37 ° C. for 18 hours to remove the denatured protein, cold ethanol was added, and the mixture was allowed to stand at 4 ° C. for 2 hours to precipitate containing EPS. I got something. This was dialyzed against MilliQ water using a dialysis membrane (molecular weight cut off 6,000-8,000), nucleic acids and proteins were enzymatically decomposed, and then ethanol precipitation was performed again to obtain a precipitate. This was dissolved in MilliQ water, dialyzed again, and then freeze-dried to purify EPS.
<実施例1>
C57BL/6Jマウス、メス、8週齢(日本チャールスリバー)に対し、ヒトB型肝炎ウイルス抗原ペプチド(I-Ad HBc helper peptide TPPAYRPPNAPIL, MBL)50μgを用いて4匹を免疫した。免疫組成物はComplete Freund's Adjuvant(和光純薬) 50μL、上記抗原ペプチド溶液5μL、PBS 45μLの計100μLを十分にエマルジョン化した後、1匹ずつマウス腹腔内に注射した。免疫後、マウス体内ではヒトB型肝炎ウイルス抗原(以下、HBc)に特異的な各Thが増殖するとともに体内を循環する。
<Example 1>
Four C57BL / 6J mice, females, and 8 weeks old (Charles River Japan) were immunized with 50 μg of human hepatitis B virus antigen peptide (IA d HBc helper peptide TPPAYRPPNAPIL, MBL). The immune composition was fully emulsified with 50 μL of Complete Freund's Adjuvant (Wako Pure Chemical Industries, Ltd.), 5 μL of the above-mentioned antigen peptide solution, and 45 μL of PBS, and then injected into the abdominal cavity of each mouse. After immunization, each Th specific for human hepatitis B virus antigen (hereinafter, HBc) proliferates and circulates in the body of the mouse.
免疫1週間後、マウスを安楽殺した。HBc抗原特異的なTh1、Th2、Th17、Tregを含む脾臓を採取し、4匹の脾細胞をプールして一定の細胞数(5×106cells/ml)で培養した。培養時にHBcペプチドを加えて(10μg/ml)各Thを刺激し、48時間後にHBc抗原ペプチド特異的に産生されたIFN-γ、IL-4、IL-17、IL-10の上清濃度を、BD OptEIA Mouse ELISA Set(Becton, Dickinson and Company)を用いて測定した(IFN-γ、IL-4、IL-10)。IL-17は、IL-17A Mouse Uncoated ELISA Kit (Invitrogen)を用いて測定した。いずれもEPSを培地に添加した(150μg/mL)場合も同様に測定し、EPSを加えない場合と比較した。それぞれについて、平均±SEM, n=8, HBcペプチド刺激時のEPSの有無でstudent's t test検定によりP値を算出した。 One week after immunization, the mice were euthanized. Spleens containing HBc antigen-specific Th1, Th2, Th17, and Treg were collected, and 4 splenocytes were pooled and cultured at a constant cell number (5 × 10 6 cells / ml). HBc peptide was added during culture (10 μg / ml) to stimulate each Th, and 48 hours later, the supernatant concentrations of IFN-γ, IL-4, IL-17, and IL-10 produced specifically for HBc antigen peptide were measured. , BD OptEIA Mouse ELISA Set (Becton, Dickinson and Company) (IFN-γ, IL-4, IL-10). IL-17 was measured using the IL-17A Mouse Uncoated ELISA Kit (Invitrogen). In each case, the measurement was performed in the same manner when EPS was added to the medium (150 μg / mL), and the comparison was made when EPS was not added. For each, the mean ± SEM, n = 8, and the presence or absence of EPS during HBc peptide stimulation were used to calculate the P value by the student's t-test test.
結果、抗原特異的なIFN-γ、IL-4、IL-17、IL-10を確認した。これらはそれぞれTh1、Th2、Th17、Tregから産生されていることが考えられる。培地へEPSを添加すると、IL-17以外のサイトカイン分泌は有意に増加した。しかし、IL-17は変動が無かった。(図1) As a result, antigen-specific IFN-γ, IL-4, IL-17, and IL-10 were confirmed. It is considered that these are produced from Th1, Th2, Th17, and Treg, respectively. Addition of EPS to the medium significantly increased the secretion of cytokines other than IL-17. However, IL-17 did not change. (Figure 1)
このことから、EPSが、Th17を活性化することなく(抑制もせず、適切な発現を維持し続ける)、Th1、Th2、Tregを活性化し、IFN-γ、IL-4、IL-10の産生を促進することを見出した。 From this, EPS activates Th1, Th2, and Treg without activating Th17 (without suppressing it and maintaining proper expression), and produces IFN-γ, IL-4, and IL-10. Found to promote.
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