JP3623977B2 - Treatment for ulcerative colitis - Google Patents

Treatment for ulcerative colitis Download PDF

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Publication number
JP3623977B2
JP3623977B2 JP27177193A JP27177193A JP3623977B2 JP 3623977 B2 JP3623977 B2 JP 3623977B2 JP 27177193 A JP27177193 A JP 27177193A JP 27177193 A JP27177193 A JP 27177193A JP 3623977 B2 JP3623977 B2 JP 3623977B2
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Japan
Prior art keywords
ulcerative colitis
longum
bacteria
group
treatment
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JP27177193A
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JPH07126177A (en
Inventor
睦憲 藤原
勲 岡安
博和 岩名
勉 金子
直生 竹友
肇 角尾
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Meiji Co Ltd
Meiji Dairies Corp
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Meiji Co Ltd
Meiji Dairies Corp
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Description

【0001】
【産業上の利用分野】
本発明は、潰瘍性大腸炎の治療及び再発防止に効果的な医薬に関する。
【0002】
【従来の技術】
潰瘍性大腸炎(Ulcerative colitis)は、大腸の炎症性腸疾患(Inflammatory Bowel Disease)の代表的な疾患であり、厚生省難病指定の一つとしてその病態解明に多くの努力がなされているが未だその原因は明らかではない。本疾患は大腸の粘膜及び粘膜下層にび爛や潰瘍を形成し、これによって腸内細菌叢も異常を呈していると考えられ、これらの細菌による感染、遺伝因子及び免疫学的諸機能などが複雑に作用しあっているものと思われる。
【0003】
従って、本疾患の病因は、胃・十二指腸潰瘍のそれとは決定的に異なり、それ故に現在行われている薬物療法も胃・十二指腸潰瘍とは異なっている。胃・十二指腸潰瘍には、H受容体拮抗薬やプロトンポンプ阻害剤が現在使用されており、優れた治癒成績が得られている。そのため胃・十二指腸潰瘍の外科的手術も以前に比べ激減している。
【0004】
一方、潰瘍性大腸炎の薬物療法については、従来よりサラゾピリン(一般名Salicylazosulfapyridine)が用いられてきたが、厚生省特定疾患潰瘍性大腸炎班による薬物療法指針によれば、サラゾピリン単独療法よりプレドニゾロン注腸療法を早期に併用することが肝要であるとされている〔厚生省特定疾患消化吸収障害調査研究班、昭和58年業績集、1984、p.11〕。
【0005】
しかし、これらの薬物療法によっても、未だ完全に治療することは困難で、医学的にも「治癒」という用語を用いることができず、欧米及び我が国では「一時的に症状が良くなった状態」の意味で、「寛解(Remission)」という言葉が用いられている。
【0006】
更に、プレドニゾロンは、1960年代から繁用されるようになったが、副作用としてプレドニゾロン抵抗性の潰瘍性大腸炎の症例が見られるようになった。この他にもプレドニゾロンの副作用は多数くあるが、そのうち重要なものの一つとして、感染を助長することが挙げられる。即ち、外来病原菌の腸内増殖を亢進させるというものである。
このように、サラゾピリンやプレドニゾロンでは寛解は得られるが治癒は出来ず、やがて再発を繰り返し、高頻度に大腸癌が発症する(岡安勲、藤原睦憲他:潰瘍性大腸炎に伴う大腸癌発生、胃と腸、28巻:171、1993)という欠点を有していた。
【0007】
最近、ウリナスタチン(多田正大他:難治性潰瘍性大腸炎の新しい治療の試み、大腸肛門誌、42:578、1989)、魚油のエイコサペンタエン酸(Salomon P.et al.:Treatment of ulcerative colitis with fish oil n−3−ω−fattyacid−an open trial−.J.Clin.Gastroenterol.12:157,1990)などが潰瘍性大腸炎に有効との報告もあるが、確立した治療法ではない。
【0008】
【発明が解決しようとする課題】
従って、本発明の目的は、安全であり、従来にない全く新しい作用機序をもった潰瘍性大腸炎治療剤を提供することにある。
【0009】
【課題を解決するための手段】
本発明者らは、斯かる実情に鑑み、デキストラン硫酸ナトリウムによって誘発される潰瘍性大腸炎モデルマウスを用いて種々の物質の投与効果を調べた。このモデルは、その臨床症状、病理組織像が極めて人間の潰瘍性大腸炎に似ているのみならず、腸内細菌叢も人間の場合の如く、嫌気性菌が減少していることが特徴である。但し本実験モデルは胃潰瘍や十二指腸潰瘍は生じない。この実験モデルを用いて、鋭意研究を行った結果、ビフィズス菌の菌体が、潰瘍性大腸炎の予防及び治療に極めて有効であり、かつ副作用が少ないことを見出し、本発明を完成した。
【0010】
即ち、本発明は、ビフィドバクテリウム・ロンガムNo.7(FERM P−13610)の菌体を有効成分とする潰瘍性大腸炎治療剤を提供するものである。
【0011】
本発明の潰瘍性大腸炎治療剤の有効成分であるビフィズス菌の菌体は生菌でも死菌でもよいが、生菌の方が望ましい。本発明では、ビフィドバクテリウム・ロンガムNo.7(工業技術院生命工学工業技術研究所委託番号FERM P−13610)が用いられる。
【0012】
本発明の潰瘍性大腸炎治療剤の有効成分であるビフィズス菌の菌体は次のようにして製造される。
ビフィズス菌は栄養要求性が高く、かつ嫌気性菌であることから、本菌を工業的に培養する際は、乳成分若しくはその加水分解物、糖類(乳糖など)、酵母エキス等を含有する培地を用いて、炭酸ガスを通気しながら嫌気的に培養する必要がある。培養中は水酸化ナトリウム等で中和し、pHを6.2近傍に維持する。得られた培養物は遠心分離若しくは膜処理等を行って濃縮した後、−80℃で凍結するか、或いは凍結乾燥して保存する。この際、ビフィズス菌の生菌を必要としない場合は、濃縮液を噴霧乾燥、真空乾燥等を行ってもよい。
【0013】
本発明の潰瘍性大腸炎治療剤の有効成分であるビフィズス菌は以下に列記するように、古くから、ヒトや動物の腸内細菌として健康維持に極めて重要な働きをしていることが判明しており、またそれらの作用機序についても明らかにされている〔光岡知足:腸内菌の世界、叢分社(1980)〕。
【0014】
(1)発癌物質など有害物質の生成を抑制する。
(2)病原菌の腸管感染を防ぐ。
(3)腸内有害菌の増殖を押さえる。
(4)ビタミンの合成(ビタミンB、B、B、B12、K)。
(5)消化・吸収を助ける。
(6)免疫能を高める。
【0015】
また、ビフィズス菌の菌体が抗潰瘍剤として有用であることが知られている(特開平4−5236号公報)。しかしながら、この抗潰瘍剤は、有効性試験に潰瘍モデルとして、ラットの酢酸誘発胃潰瘍モデルやアルコール性ストレス胃潰瘍モデルを使用しており、胃・十二指腸潰瘍等の消化性潰瘍を対象とした抗潰瘍剤である。前述のように消化性潰瘍と潰瘍性大腸炎とはその病因が全く異なるものであり、従来ビフィズス菌と潰瘍性大腸炎との関係を示唆した文献は存在しない。
【0016】
本発明の潰瘍性大腸炎治療剤は、その有効成分がビフィズス菌の菌体であり、前記の理由でその安全性は確立されているのでそのまま経口投与してもよいが、必要に応じて当該菌体に賦形剤、結合剤、崩壊剤、滑沢剤、被覆剤、乳化剤、分散剤、溶剤、安定化剤などを適宜添加して、錠剤、顆粒剤、散剤、粉末剤、カプセル剤等に製剤して使用してもよい。成人1日当たりの投与量は、生菌で1×10個以上、特に1×10〜1×1013個に相当する量の菌体を投与するのが好ましいが、症状により適宜増減可能である。
【0017】
【実施例】
以下、実施例を挙げて本発明を更に詳細に説明するが、本発明はこれらに限定されるものではない。
【0018】
実施例1
ビフィドバクテリウム・ロンガム(B.longum)No.7を、カゼインの加水分解物3.0%、ラクトース4.0%、酵母エキス0.5%を含む培地で炭酸ガスを通気しながら37℃で約15時間培養した。培養中は水酸化ナトリウム等で中和し、培地のpHを約6.2に維持する。次に、本培養液を遠心分離又は膜処理等を行い、約10倍に濃縮する。本濃縮物の組成は、蛋白質19%、ラクトース11%、酢酸6%、乳酸7%、灰分13%、ガラクトース7%、水分32%、その他5%であった。
【0019】
本濃縮物を5ml容のプラスチック製アンプルに分注後、ディープフリーザー(−80℃)に保存し、本発明の潰瘍性大腸炎治療剤を得た。
【0020】
試験例1
デキストラン硫酸ナトリウム(DSS)により誘発される潰瘍性大腸炎モデルマウス〔Okayasu,I.et al.:A Novel Method
in the Induction of Reliable Experimental Acute and Chronic Vlcerative Colitis in Mice.Gastroenterology,98:694−702(1990)〕を用いて、次の4群にて実施例1で得られたB.longumの凍結菌体の投与効果を下記試験方法により調べた。
【0021】
A群:水+培地(N=9)
B群:水+B.longum No.7(N=9)
C群:DSS+培地(N=12)
D群:DSS+B.longum No.7(N=10)
【0022】
試験方法:
CBA/J NCrj9週令SPF雌性マウスに、3%DSS水溶液を7日間自由に飲水させた。
B.longum No.7は、生菌(3.9×1011cfu )、死菌(<10cfu )及び培地を、それぞれ7日間毎日、一定時刻に胃ゾンデにて、0.2ml/匹の用量を経口投与した。
投与期間中に体重測定、便鮮血反応、飲水量の測定を行った。最終投与翌日に血清検査、大腸の長さの測定及び病理組織学的検査を行った。病理組織学的検査結果は、炎症の強さに従って下記に示す5段階スコア(Pathology Score)で示した。
【0023】
0:正常
1:好中球を含む炎症細胞の局所的な粘膜内浸潤
2:炎症細胞浸潤による粘膜腺管の消失或いは陰窩膿瘍
3:粘膜膿瘍
4:粘膜膿瘍が標本上1mm以上の長さで連続している
結果を表1及び表2に示す(いずれも生菌)。
【0024】
【表1】

Figure 0003623977
【0025】
【表2】
Figure 0003623977
【0026】
表1及び表2から明らかなように、C群とD群において、B.longum
No.7菌体投与群では、非投与群に比較して大腸の長さは有意(p<0.01)に長く、即ち炎症の繰り返しや程度が低く、更に病理組織学的にも、潰瘍性大腸炎に特徴的な陰窩膿瘍頻度が有意(p<0.05)に低く、粘膜固有層への炎症性細胞浸潤の程度も有意(p<0.05)に少ない。
【0027】
試験例2
潰瘍性大腸炎患者の糞便では病期・重症度の如何に拘わらず、又、未治療或いはサラゾピリン投与例の何れの場合にも、健常人のそれと比較して全患者共通して総菌数及び嫌気性菌、特にBifidobacteriumが著しく減少することが報告されている〔(1)弁野義己、光岡知足:InflammatoryBowel Diseaseにおける腸内細菌叢の特徴、最新医学38巻:1476、1983、(2)下山孝、他:IBDに対する治療による腸内細菌の変動、最新医学38巻:1482、1983、(3)中谷林太郎、他:潰瘍性大腸炎の細菌叢:サラゾピリン及び抗生物質非投与例ならびに大腸切除例における検討、最新医学38巻:2461、1983)。このような事実に基づき、DSSにより誘発された潰瘍性大腸炎モデルマウスに、B.longumの菌体(生菌)を投与した際の腸内フローラの変動について検索した。
【0028】
A群:水+培地(N=5)
B群:水+B.longum No.7(N=5)
C群:DSS+培地(N=9)
D群:DSS+B.longum No.7(N=10)
【0029】
CBA/Jマウス(♀、成獣)を用い、個体識別のためにマーキングし、群飼い飼育した。被検物質(水、培地、DSS、B.longum No.7)は7日間連続投与した。DSSは3%水溶液で自由摂取させ、B.longum No.7はその凍結菌体約3.9×1011cfu を胃ゾンデを用いて7日間毎日強制経口投与した。対照に用いた水と培地も各々同様に投与した。結果を表3に示す。
【0030】
【表3】
Figure 0003623977
【0031】
被検物質の投与前にはフローラの検索に用いた全てのマウスの糞便中にB.longum No.7は検出されなかったが、被検物質投与後では、B.longum No.7投与群のB群(健常マウス)で平均10cfu/g、D群(DSS投与群)で10cfu/gレベルでそれぞれB.longum No.7が検出された。即ち、投与したB.longum No.7菌は生存しており、総菌数の減少は全く見られず、又Bifidobacteriumの減少を、コントロール群に比して最小限にとどめている。つまり多量のB.longum No.7菌を経口投与しても腸内では菌交代現象を起こすことなく、他の腸内細菌叢とバランス良く共生していることが判明した。
【0032】
【発明の効果】
本発明の潰瘍性大腸炎治療剤は、大量経口摂取しても安全なビフィズス菌の菌体を有効成分としており、腸内細菌叢を改善し、宿主の健康に有利に作用する従来にない、全く新しい作用機序をもった潰瘍性大腸炎治療剤で、安全性と治療効果及び再発防止に優れている。更にサラゾピリンやプレドニゾロンとの併用も可能で、これら薬剤との集学的治療が理論的に期待できる。[0001]
[Industrial application fields]
The present invention relates to a medicament effective for treating ulcerative colitis and preventing recurrence.
[0002]
[Prior art]
Ulcerative colitis is a typical disease of inflammatory bowel disease of the large intestine, and many efforts have been made to elucidate its pathology as one of the intractable diseases designated by the Ministry of Health and Welfare. The cause is not clear. It is thought that this disease forms gonorrhea and ulcers in the mucosa and submucosa of the large intestine, which may cause abnormalities in the intestinal microflora. The infection, genetic factors and immunological functions of these bacteria It seems to be working in a complicated manner.
[0003]
Therefore, the etiology of this disease is decisively different from that of gastric / duodenal ulcers, and hence the currently used pharmacotherapy is also different from that of gastric / duodenal ulcers. For gastric / duodenal ulcers, H 2 receptor antagonists and proton pump inhibitors are currently used, and excellent healing results have been obtained. For this reason, surgical operations for gastric / duodenal ulcers have been drastically reduced.
[0004]
On the other hand, for pharmacological treatment of ulcerative colitis, salazopyrin (generic name: Salicylazosulfapiridine) has been used conventionally. However, according to the pharmacotherapy guideline of the ulcerative colitis group specified by the Ministry of Health and Welfare, prednisolone enema is more effective than salazopyrin monotherapy. It is said that it is important to use a combination therapy early [Ministry of Health and Welfare Specific Disease Digestion and Absorption Disorder Investigation Research Group, 1984, 1984, p. 11].
[0005]
However, even with these drug therapies, it is still difficult to treat completely, and the term “curing” cannot be used medically. In Europe, the United States and Japan, “a state in which symptoms temporarily improved” In this sense, the word “Remission” is used.
[0006]
Furthermore, prednisolone has been widely used since the 1960s, but as a side effect, cases of ulcerative colitis resistant to prednisolone have been seen. There are many other side effects of prednisolone, but one of the most important is to promote infection. That is, it promotes intestinal growth of foreign pathogenic bacteria.
In this way, salazopyrine and prednisolone can provide remission but cannot be cured, and eventually relapse and colon cancer develops frequently (Okayasu Isao, Fujiwara Yasunori et al .: colon cancer associated with ulcerative colitis, stomach And intestines, 28: 171, 1993).
[0007]
Recently, urinastatin (Masada Tada et al .: New trial of treatment of intractable ulcerative colitis, Journal of anal anal, 42: 578, 1989), Eicosapentaenoic acid of fish oil (Salomon P. et al .: Treatment of witness with fish oil n-3-ω-fattyacid-an open trial-.J.Clin.Gastroenterol.12: 157, 1990) has been reported to be effective for ulcerative colitis, but it is not an established treatment method.
[0008]
[Problems to be solved by the invention]
Accordingly, an object of the present invention is to provide a therapeutic agent for ulcerative colitis that is safe and has a completely new mechanism of action that has not been heretofore known.
[0009]
[Means for Solving the Problems]
In view of such circumstances, the present inventors examined the administration effects of various substances using ulcerative colitis model mice induced by dextran sulfate sodium. This model is characterized not only by its clinical symptoms and histopathology, which is very similar to that of human ulcerative colitis, but also by reducing the anaerobic bacteria in the gut microbiota as in humans. is there. However, this experimental model does not cause gastric or duodenal ulcers. As a result of diligent research using this experimental model, it was found that the cells of bifidobacteria are extremely effective in the prevention and treatment of ulcerative colitis and have few side effects, thereby completing the present invention.
[0010]
That is, the present invention relates to Bifidobacterium longum no. The present invention provides a therapeutic agent for ulcerative colitis comprising 7 (FERM P-13610) cells as an active ingredient.
[0011]
The bacterial body of bifidobacteria which is an active ingredient of the therapeutic agent for ulcerative colitis of the present invention may be live or dead, but live bacteria are preferred. In the present invention, Bifidobacterium longum No. 7 (Commission number FERM P-13610, Institute of Biotechnology, National Institute of Advanced Industrial Science and Technology) is used.
[0012]
Bifidobacteria, which is an active ingredient of the therapeutic agent for ulcerative colitis of the present invention, is produced as follows.
Bifidobacteria are highly auxotrophic and are anaerobic, so when industrially cultivating this bacterium, a medium containing milk components or hydrolysates thereof, sugars (such as lactose), yeast extract, etc. It is necessary to cultivate anaerobically with aeration of carbon dioxide gas. During the culture, neutralize with sodium hydroxide or the like to maintain the pH at around 6.2. The obtained culture is concentrated by centrifugation or membrane treatment, and then frozen at -80 ° C or freeze-dried and stored. At this time, if a viable Bifidobacterium is not required, the concentrated solution may be subjected to spray drying, vacuum drying, or the like.
[0013]
As listed below, bifidobacteria, which is an active ingredient of the therapeutic agent for ulcerative colitis of the present invention, have been found to have played an extremely important role in maintaining health as an intestinal bacterium in humans and animals. In addition, the mechanism of their action has also been clarified (Tomotsuka Mitsuoka: World of Enterobacteria, Chosokusha (1980)).
[0014]
(1) Suppress the generation of harmful substances such as carcinogens.
(2) Prevent intestinal infection of pathogenic bacteria.
(3) Suppress the growth of enteric harmful bacteria.
(4) Synthesis of vitamin (vitamin B 1, B 2, B 6 , B 12, K).
(5) Help digestion and absorption.
(6) Increase immunity.
[0015]
It is also known that bifidobacteria are useful as antiulcer agents (Japanese Patent Laid-Open No. 4-5236). However, this anti-ulcer agent uses an acetic acid-induced gastric ulcer model or alcoholic stress gastric ulcer model in rats as an ulcer model in the efficacy test, and is intended for peptic ulcers such as gastric / duodenal ulcers It is. As described above, peptic ulcer and ulcerative colitis have completely different etiologies, and there is no literature that suggests a relationship between bifidobacteria and ulcerative colitis.
[0016]
The therapeutic agent for ulcerative colitis of the present invention is a bifidobacterial active ingredient and may be administered orally as it is because its safety has been established for the above-mentioned reasons. Add excipients, binders, disintegrants, lubricants, coating agents, emulsifiers, dispersants, solvents, stabilizers, etc. to the cells as appropriate, tablets, granules, powders, powders, capsules, etc. It may be used as a preparation. The daily dose for an adult is preferably 1 × 10 6 or more, more preferably 1 × 10 8 to 1 × 10 13 cells in viable bacteria, but it can be appropriately increased or decreased depending on the symptoms. is there.
[0017]
【Example】
EXAMPLES Hereinafter, although an Example is given and this invention is demonstrated further in detail, this invention is not limited to these.
[0018]
Example 1
B. longum no. 7 was cultured at 37 ° C. for about 15 hours in a medium containing 3.0% casein hydrolyzate, 4.0% lactose and 0.5% yeast extract with aeration of carbon dioxide. During the culture, the medium is neutralized with sodium hydroxide or the like, and the pH of the medium is maintained at about 6.2. Next, the main culture is subjected to centrifugation or membrane treatment, and concentrated about 10 times. The composition of this concentrate was 19% protein, 11% lactose, 6% acetic acid, 7% lactic acid, 13% ash, 7% galactose, 32% moisture, and 5% other.
[0019]
The concentrate was dispensed into a 5 ml plastic ampule and stored in a deep freezer (−80 ° C.) to obtain the therapeutic agent for ulcerative colitis of the present invention.
[0020]
Test example 1
Ulcerative colitis model mice induced by sodium dextran sulfate (DSS) [Okayasu, I .; et al. : A Novel Method
in the Induction of Reliable Experimental Act and Chronic Vulsive Collision in Mice. Gastroenterology, 98: 694-702 (1990)], the B. group obtained in Example 1 in the following four groups. The effect of administration of frozen cells of longum was examined by the following test method.
[0021]
Group A: water + medium (N = 9)
Group B: water + B. longum no. 7 (N = 9)
Group C: DSS + medium (N = 12)
Group D: DSS + B. longum no. 7 (N = 10)
[0022]
Test method:
CBA / J NCrj 9-week-old SPF female mice were allowed to drink 3% DSS aqueous solution freely for 7 days.
B. longum no. In No. 7, viable bacteria (3.9 × 10 11 cfu), dead bacteria (<10 cfu) and medium were orally administered at a dose of 0.2 ml / animal daily for 7 days using a gastric sonde at a fixed time.
During the administration period, body weight, fecal fresh blood reaction, and water consumption were measured. On the day after the last administration, serum tests, colon length measurement and histopathological examination were performed. The histopathological examination results were shown by the following five-point score (Pathology Score) according to the intensity of inflammation.
[0023]
0: Normal 1: Local intramucosal infiltration of inflammatory cells including neutrophils 2: Disappearance of mucosal ducts due to inflammatory cell infiltration or crypt abscess 3: Mucosal abscess 4: Length of mucosal abscess 1 mm or more on specimen Table 1 and Table 2 show the results that are continuous with each (live bacteria).
[0024]
[Table 1]
Figure 0003623977
[0025]
[Table 2]
Figure 0003623977
[0026]
As is clear from Tables 1 and 2, B. longum
No. In the 7 fungus body administration group, the length of the large intestine is significantly longer (p <0.01) than in the non-administration group, that is, the repetition and degree of inflammation are low, and further, histopathologically, ulcerative colon The frequency of crypt abscesses characteristic of inflammation is significantly low (p <0.05), and the degree of inflammatory cell infiltration into the lamina propria is also significantly (p <0.05).
[0027]
Test example 2
In the stool of patients with ulcerative colitis, the total number of bacteria and the number of bacteria in common in all patients compared to that of healthy individuals, regardless of the stage and severity, and in any case of untreated or salazopyrine administration It has been reported that anaerobic bacteria, especially Bifidobacterium, are markedly reduced [(1) Yoshino Benno, Tomomi Mitsuoka: Characteristics of intestinal bacterial flora in Inflammatory Bowel Disease, latest medicine 38: 1476, 1983, (2) Shimoyama Takashi et al .: Changes in intestinal bacteria by treatment for IBD, latest medicine 38: 1482, 1983, (3) Taro Nakatani, et al .: Bacterial flora of ulcerative colitis: non-salazopyrin and antibiotics administered and colectomy In the latest medicine 38: 2461, 1983). Based on these facts, model mice with ulcerative colitis induced by DSS A search was made for changes in intestinal flora when longum cells (live bacteria) were administered.
[0028]
Group A: water + medium (N = 5)
Group B: water + B. longum no. 7 (N = 5)
Group C: DSS + medium (N = 9)
Group D: DSS + B. longum no. 7 (N = 10)
[0029]
Using CBA / J mice (rooster, adult animals), the animals were marked for individual identification and reared in groups. The test substance (water, medium, DSS, B. longum No. 7) was administered continuously for 7 days. DSS can be ingested freely in 3% aqueous solution. longum no. In No. 7, the frozen cells of about 3.9 × 10 11 cfu were orally administered daily by gastric sonde for 7 days. Water and medium used as controls were also administered in the same manner. The results are shown in Table 3.
[0030]
[Table 3]
Figure 0003623977
[0031]
Before administration of the test substance, B. elegans in the stool of all mice used for the search for flora. longum no. 7 was not detected, but B.B. longum no. 7 average treated group Group B (healthy mice) 10 8 cfu / g, B. respectively at 10 7 cfu / g level group D (DSS administration group) longum no. 7 was detected. That is, B. longum no. Seven bacteria survived, and no decrease in the total number of bacteria was observed, and the decrease in Bifidobacterium was minimized as compared with the control group. In other words, a large amount of B.I. longum no. It was found that even if 7 bacteria were orally administered, they did not cause bacterial change in the intestine and symbiotic with other intestinal bacterial flora in a well-balanced manner.
[0032]
【The invention's effect】
The therapeutic agent for ulcerative colitis of the present invention has a bifidobacteria cell body that is safe even when ingested in a large amount as an active ingredient, improves the intestinal microflora, and has an effect on the health of the host, which has not been heretofore, It is a therapeutic agent for ulcerative colitis with a completely new mechanism of action, and is excellent in safety, therapeutic effect and prevention of recurrence. Furthermore, combined use with salazopyrine and prednisolone is possible, and multidisciplinary treatment with these drugs can be expected theoretically.

Claims (1)

ビフィドバクテリウム・ロンガムNo.7(FERM P−13610)の菌体を有効成分とする潰瘍性大腸炎治療剤。 Bifidobacterium longum no. A therapeutic agent for ulcerative colitis comprising 7 (FERM P-13610) microbial cells as an active ingredient.
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JPH11116484A (en) * 1997-10-09 1999-04-27 Yakult Honsha Co Ltd Prophylactic and therapeutic agent and drink and food for inflammatory bowel disease
DE19826928A1 (en) * 1998-06-17 1999-12-23 Novartis Consumer Health Gmbh Medicines containing viable anaerobic bacteria that inhibit sulfate reduction by sulfate-reducing bacteria
ID29150A (en) * 1999-01-15 2001-08-02 Entpr Ireland Cs USE OF LACTOBACILLUS SALIVARIUS
JP4624574B2 (en) * 2000-05-31 2011-02-02 株式会社ヤクルト本社 Lipid peroxidation inhibitor
US7179460B2 (en) * 2002-12-05 2007-02-20 Danisco A/S Bacterial composition and its use
SE526711C2 (en) * 2003-01-31 2005-10-25 Probi Ab Novel strains of Bifidobacterium having ability to survive in intestinal tract and produce glutamine and arginine in vivo, useful for preparing medicament for treatment of intensive care patients with intestinal failure
WO2005072718A1 (en) * 2004-01-28 2005-08-11 Kurume University Pharmaceutical compositions containing fermented whey
ATE552734T1 (en) 2006-03-31 2012-04-15 Morinaga Milk Industry Co Ltd METHOD FOR PRODUCING THE INTERLEUKIN PRODUCTION REGULATOR
JP2011032170A (en) * 2009-07-29 2011-02-17 Morinaga Milk Ind Co Ltd Human cell il-17 production inhibitor
JP2012180288A (en) * 2011-02-28 2012-09-20 Morinaga Milk Ind Co Ltd Antimicrobial agent
EP2830612B1 (en) * 2012-03-30 2016-05-04 Nestec S.A. 4-oxo-2-pentenoic acid and the health of the digestive tract
WO2019117212A1 (en) * 2017-12-12 2019-06-20 森永乳業株式会社 Composition containing bacterium belonging to genus bifidobacterium as active ingredient
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