JP2010001314A - 炎症の治療法 - Google Patents
炎症の治療法 Download PDFInfo
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Abstract
【解決手段】マイコバクテリウム・フレイ(Mycobacterium phlei)細胞壁上に保持され複合体化されたマイコバクテリウム・フレイ−DNA及び薬学的に許容可能なキャリアを含む、動物における炎症の治療又は予防のための組成物。
【選択図】なし
Description
本出願は、1998年12月4日に提出された、米国仮出願第60/110,943号に対して優先権を主張する。
本発明は、動物の炎症治療に有効であるマイコバクテリア細胞壁(BCC)上に保持及び複合体化されたマイコバクテリアデオキシリボ核酸(B−DNA)に関する。より詳細には、本発明は、動物の炎症治療に有効であるMycobacterium phlei細胞壁(MCC)上に保持及び複合体化されたMycobacterium phlei(M.phlei)デオキシリボ核酸(M−DNA)に関する。
炎症は、組織損傷によって引き起こされる複雑な過程である。炎症は損傷および感染に対する防御反応として発症するが、一定の症例(免疫媒介性炎症、変形性関節症、慢性関節リウマチ、糸球体腎炎、膀胱炎、および大腸炎などが含まれるが、これらに限定されない)ではその炎症自体が問題となる。これらの症例では、炎症反応は持続し、抗炎症剤(アスピリン、非ステロイド性抗炎症薬、およびコルチゾンなど)、の投与によって一時的に緩和することしかできない。これらの薬物は、炎症の薬理学的メディエーターの同化作用および活性化に関連する代謝経路に対して作用する。しかし、これらの抗炎症剤は、多数の望ましくない副作用を有し、一定の個体では耐容性を示すことができない。
本発明は、炎症を有する動物の炎症治療に有効であるマイコバクテリア細胞壁(BCC)上に保持及び複合体化されたマイコバクテリアデオキシリボ核酸(B−DNA)を提供することによって前述の必要性を満たす。より詳細には、本発明は、炎症を有する動物の炎症治療に有効であるMycobacterium phlei細胞壁(MCC)上に保持及び複合体化されたMycobacterium phlei(M.pheli)デオキシリボ核酸(M−DNA)を提供する。
本発明は、炎症を有する動物の炎症治療に有効であるマイコバクテリア細胞壁(BCC)上に保持及び複合体化されたマイコバクテリアDNA(B−DNA)を含む。より詳細には、本発明は、炎症を有する動物の炎症治療に有効であるM.phlei細胞壁(MCC)上に保持及び複合体化されたM.phleiDNA(M−DNA)を含む。本発明は、さらに、動物の炎症の予防法および炎症を有する動物の炎症の治療法を含む。
MCCの調製
国際特許出願PCT/CA98/00744(本明細書中で参考として援用される)に記載のように、MCCをM.phleiから調製した。
M.phlei以外のマイコバクテリア種由来のBCCの調製
実施例1のように、BCCを、マイコバクテリア種(M.vaccae、M.chelonei、M.smegmatis、M.terrae、M.duvalii、M.tubeculosis、M.bovis BCG、M.avium、M.Szulgai、M.scrofulaceum、M.xenopi、M.kansaii、M.gastr、M.fortuitous、およびM.asiaticumが含まれるが、これらに限定されない)から調製した。
MCCの投与および炎症の誘導
6.7 mg kg-1 MCCの生理食塩水溶液(実験区)または生理食塩水(コントロール)を、雌CD−1マウス(Charles River、Saint Constant、Quebec、Canada)に以下のように投与した:静脈内投与(0.2ml)、腹腔内投与(1.0ml)、後足蹠への皮下投与(0.05ml)、および摂食用ニードルでの経口投与(0.2ml)。2時間後、最終体積0.05mlの1%カラゲナン溶液(Sigma−Aldrich、Mississauga、Ontario、Canada)を、各マウスの後足蹠に注射して炎症を起こさせた。足蹠の腫れをカラゲナン注射から0、3、24、48、72、および96時間後に水置換の測定によって定量した(Filion et al.、British Journal of Pharmacology、122:551〜557、1997)。
MCCの抗炎症効果
カラゲナンで誘導した炎症は、3時間後に検出され、48時間後にピークとなり、72時間後に減少した。MCCの静脈内投与および経口投与は共に、カラゲナン注射から3時間以内に足蹠の炎症(体積)を有意に緩和させた。MCCの静脈内投与(58%緩和)および経口投与(57%緩和)からどちらも48時間後に炎症が最も緩和し、少なくとも72時間持続した(図1および図2)。
させた。しかし、これは、カラゲナン注射から24時間後までは明らかではなかった。最大炎症緩和は、40%であり、これは48時間後に認められた(図1および図2)。
MCCによるIL−10誘導
MCCのIL−10およびTNFα合成誘導能力を評価した。IL−10は、抗炎症性サイトカインである(Isomake et al.、Annals of Medicine、29:499〜507、1997)。TNFαは、炎症誘発性サイトカインである(Shanley et al.、Molecular Medicine Today、1:40〜45、1995)。
MCC生理食塩水溶液の腹腔内投与(実験区)、0.2mlの6.7mg kg-1 MCC生理食塩水溶液の経口投与(実験区)、または生理食塩水(コントロール)を行った。マウスの尾静脈から採血し、適切なELISAキット(BioSource、Camarillo、CA)を用いて、MCC投与から0、3、6、および/または24時間後の血清中のIL−10およびTNFαを定量した。
変形性関節症のMCC治療
衰弱した10人の変形性関節症患者に、MCCを1週間に2回4週間静脈投与した。10人中8人の患者に、痛みの有意な緩和および日常的な仕事を行う能力の有意な向上が認められた。
大腸炎のMCC治療
15人の大腸炎患者を、3つの群に分けた。群1の患者に生理食塩水、群2の患者にコルチゾン、群3患者にMCCを1日に1回60日間経口投与した。30日後、群1の患者では、症状の緩和は報告されなかった。群2の患者では、大腸炎の症状の緩和が報告されたが、コルチゾンの副作用を訴えた。群3の患者では、いかなる副作用の訴えもなく大腸炎の症状の緩和が報告された。
Claims (6)
- マイコバクテリウム・フレイ(Mycobacterium phlei)細胞壁上に保持され複合体化されたマイコバクテリウム・フレイ−DNA及び薬学的に許容可能なキャリアを含む、動物における炎症の治療又は予防のための組成物。
- IL−10を誘導することにより、動物における炎症の治療又は予防に効果を発揮することを特徴とする、請求項1に記載の組成物。
- 前記薬学的に許容可能なキャリアは液体キャリアおよび固体キャリアからなる群から選択される、請求項1または2に記載の組成物。
- マイコバクテリウム・フレイ細胞壁上に保持され複合体化されたマイコバクテリウム・フレイ−DNA及び薬学的に許容可能なキャリアを用いることを特徴とする、動物において炎症を治療又は予防する薬剤の製造方法。
- 前記薬剤は、IL−10の合成を誘導することにより動物における炎症の治療又は予防に効果を発揮する、請求項4に記載の方法。
- 前記薬学的に許容可能なキャリアは、液体キャリアおよび固体キャリアからなる群から選択される、請求項4又は5に記載の方法。
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| US11094398P | 1998-12-04 | 1998-12-04 | |
| US60/110,943 | 1998-12-04 |
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| WO1998043655A1 (en) * | 1997-04-02 | 1998-10-08 | Bioniche Inc. | Use of bacterial cell wall extracts for treating topical disorders and wounds |
| JP2001513504A (ja) * | 1997-08-05 | 2001-09-04 | バイオニケ ライフ サイエンシーズ インコーポレイテッド | 細胞増殖および細胞死を調節する組成物および方法 |
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| IL71683A0 (en) * | 1984-04-27 | 1984-09-30 | Yeda Res & Dev | Pharmaceutical compositions for treating arthritis type diseases comprising fractions obtained from mycobacteria |
| JPH0517363A (ja) * | 1991-07-11 | 1993-01-26 | Yakult Honsha Co Ltd | 抗炎症剤及びそれを含有する化粧料 |
| EP0681479B1 (en) * | 1993-01-29 | 1999-04-28 | Vetrepharm, Inc. | Immunotherapeutic composition |
| PT1165106E (pt) * | 1999-04-01 | 2005-10-31 | Bioniche Life Sciences Inc | Composicoes e metodo para induzir apoptose em celulas de cancro da prostata, por m-adn e mcc |
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| WO1998043655A1 (en) * | 1997-04-02 | 1998-10-08 | Bioniche Inc. | Use of bacterial cell wall extracts for treating topical disorders and wounds |
| JP2001513504A (ja) * | 1997-08-05 | 2001-09-04 | バイオニケ ライフ サイエンシーズ インコーポレイテッド | 細胞増殖および細胞死を調節する組成物および方法 |
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| JP4488626B2 (ja) | 2010-06-23 |
| DE69919386T2 (de) | 2005-02-17 |
| PT1135164E (pt) | 2004-11-30 |
| AU1541100A (en) | 2000-06-26 |
| WO2000033879A1 (en) | 2000-06-15 |
| CA2354047C (en) | 2007-08-14 |
| CA2354047A1 (en) | 2000-06-15 |
| DK1135164T3 (da) | 2004-12-20 |
| JP2002531528A (ja) | 2002-09-24 |
| DE69919386D1 (de) | 2004-09-16 |
| JP5050148B2 (ja) | 2012-10-17 |
| EP1135164B1 (en) | 2004-08-11 |
| US6890911B1 (en) | 2005-05-10 |
| EP1135164A1 (en) | 2001-09-26 |
| ES2226464T3 (es) | 2005-03-16 |
| ATE273027T1 (de) | 2004-08-15 |
| AU768327B2 (en) | 2003-12-11 |
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