JP2005537264A - 末梢神経障害の処置を目的とする組成物、その製造及び使用 - Google Patents
末梢神経障害の処置を目的とする組成物、その製造及び使用 Download PDFInfo
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Abstract
Description
本発明は、生物学、薬理学及び医学の技術分野に関する。本発明は、特にヒト及び動物の健康分野における使用に適している。更に具体的には、本発明は、末梢神経障害の予防又は治療を目的とする組成物の調製におけるcAMPモジュレーターの使用に関する。本発明は更に、上述の組成物を調製するために使用される手段及びキットに関する。
− 純粋な運動ニューロン障害、例えば、脊髄性筋萎縮症。これらは、末梢神経系(PNS)における運動ニューロンの異常に関連する。他の純粋な運動神経性障害は、運動ニューロンが正常であるが、神経の運動線維が特異的に損傷しているところに存在する。
− 純粋な感覚ニューロン障害は、末梢神経系における神経の感覚線維を侵す。
− 感覚運動(sensorimotor or sensitivomotor)神経障害は、運動及び感覚神経に関係する。これらの神経障害は、圧倒的に最もありふれている。
本発明が解決しようとする問題は、患者又は末梢神経障害を発症するリスクのある対象に、該神経障害の予防又は治療を目的とする組成物を提供することである。
よって本発明は、末梢神経障害の予防又は治療を目的とする組成物を調製するためのcAMPモジュレーター(例えば、ビタミンC又はその誘導体)の使用に関する。
図1:2つの同腹仔群由来の月齢2ヶ月のオスを、プラセボ(4匹)又はビタミンC(6匹)のいずれかで3ヶ月間処理した。回転棒(Rotor-Rod)試験の成績を毎月(3ヶ月目、4ヶ月目及び5ヶ月目に)評価した。標準偏差は、各カラムの頂上部の暗色化した区画により示す。
シャルコー・マリー・ツース病(CMT)は、2500人に1人が罹患する、最もありふれた遺伝性末梢神経障害である。
PMP22遺伝子の発現は、転写開始部位から1.5kbに位置する遺伝子プロモーター内の2つの部位へのCREB結合を介して、cAMPの直接制御下にある。cAMPの非存在下では、シュワン特異的ミニマルプロモーター(300bp)の活性が阻害される。cAMPで処理すると、この阻害が取り除かれ、ミニマルプロモーターの発現が復旧する。考察下にある仮説の1つは、これと反対にcAMPの使用量を減少させると、このプロモーターの活性が低下し、よってPMP22の過剰発現が低下するというものであった。更に、表現型の重症度は、閾値効果のある過剰発現のレベルに依存すると考えられた。実際、70%過剰発現は病原性でないが、一方100%過剰発現(CMT1A患者)は病原性であった。本発明に関連して、本発明者らは、内因性cAMPプールに及ぼすビタミンCの作用を試験して、該プールの減少がPMP22発現の低下をもたらしたため、そのレベルが病原性の閾値を下回ったことを発見した。この仮説を検証するために、ビタミンCで3ヶ月間処理した動物及び同腹仔のプラセボ処理動物を殺処分した。坐骨神経を取り出し、RNAを抽出して、ヒト転写産物に特異的なプライマーを活用したリアルタイムPCRにより発現のレベルを測定した。結果は、PMP22発現のレベルが、ビタミンC処理後に低下したことを示す。処理マウスからの坐骨神経は、プラセボマウスの8分の1のPMP22メッセンジャーRNAを含んでいた;18S RNAを対照として使用した。
発泡性の割線錠は、ほぼ以下のものを含む:
注射用液剤は、ほぼ以下のものを含む:
Claims (22)
- 末梢神経障害の予防又は治療を目的とする組成物を調製するためのcAMPモジュレーターの使用。
- 組成物が、脱髄性末梢神経障害の予防又は治療を目的とすることを特徴とする、請求項1記載の使用。
- cAMPモジュレーターが、好ましくは該cAMPのインヒビターであることを特徴とする、請求項1又は2のいずれか1項記載の使用。
- cAMPインヒビターが、ビタミンC又はその誘導体であることを特徴とする、請求項1、2又は3のいずれか1項記載の使用。
- 組成物が、遺伝性末梢神経障害の予防又は治療を目的とすることを特徴とする、請求項1〜4のいずれか1項記載の使用。
- 組成物が、シャルコー・マリー・ツース病の予防又は治療を目的とすることを特徴とする、請求項5記載の使用。
- シャルコー・マリー・ツース病が、該疾患の1型(CMT1)に相当することを特徴とする、請求項6記載の使用。
- 組成物が、非遺伝性末梢神経障害の予防又は治療を目的とすることを特徴とする、請求項1〜4のいずれか1項記載の使用。
- ビタミンCが、天然ビタミンC、合成ビタミンC及びその混合物よりなる群において選択されることを特徴とする、請求項4〜8のいずれか1項記載の使用。
- ビタミンC誘導体が、ビタミンC塩及びエステル類よりなる群において選択されることを特徴とする、請求項4〜9のいずれか1項記載の使用。
- 誘導体が、アスコルビルパルミテート、ジパルミテートL−アスコルベート及びこれらの混合物よりなる群において、あるいはアスコルビン酸のグリコシル化、マンノシル化、フルクトシル化、フコシル化、ガラクトシル化、N−アセチルグルコサミノ化、N−アセチルムラミン酸誘導体及びこれらの混合物、好ましくはアスコルビル−2グルコシド、2−O−アルファ−D−グルコピラノシルアスコルビン酸又は6−O−ベータ−D−ガラクトピラノシルL−アスコルビン酸よりなる群において選択されることを特徴とする、請求項10記載の使用。
- 誘導体が、リン酸化アスコルビン酸の金属塩、特にリン酸アスコルビルアルカリ金属塩、リン酸アスコルビルアルカリ土類金属塩及びリン酸アスコルビル遷移金属塩、好ましくはリン酸アスコルビルマグネシウム、あるいは硫酸アスコルビル類よりなる群において選択されることを特徴とする、請求項10記載の使用。
- 組成物が、cAMP発現を調節することを特徴とする、請求項1〜12いずれか1項記載の使用。
- 組成物が、cAMP発現を減少させることを特徴とする、請求項1〜13いずれか1項記載の使用。
- 組成物が、PMP22タンパク質の発現を調節することを特徴とする、請求項1〜14いずれか1項記載の使用。
- 組成物が、PMP22タンパク質の発現を減少させることを特徴とする、請求項15記載の使用。
- 組成物が、活性物質としてヒト又は動物により同化され得るcAMPモジュレーターを、薬学的に許容し得るビヒクルと一緒に含むことを特徴とする、末梢神経障害を処置するための組成物の製造方法。
- cAMPモジュレーターが、該cAMPのインヒビターであることを特徴とする、請求項17記載の方法。
- cAMPインヒビターが、ヒト又は動物により同化され得るアスコルビン酸又はその誘導体であることを特徴とする、請求項18記載の方法。
- ビタミンCが、天然ビタミンC、合成ビタミンC及びその混合物よりなる群において選択されることを特徴とする、請求項19記載の方法。
- 組成物が、250ミリグラム〜6グラムのビタミンC又はビタミンC誘導体を含むことを特徴とする、請求項20記載の方法。
- 請求項17〜21のいずれか1項記載の方法を具現化することを目的とするキット。
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FR0208966A FR2842422B1 (fr) | 2002-07-16 | 2002-07-16 | Compositions destinees au traitement des neuropathies peripheriques, preparation et utilisations |
PCT/FR2003/002236 WO2004006911A2 (fr) | 2002-07-16 | 2003-07-15 | Compositions destinees au traitement des neuropathies peripheriques, preparation et utilisations |
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JP2005537264A true JP2005537264A (ja) | 2005-12-08 |
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US (1) | US7649017B2 (ja) |
EP (1) | EP1526850B1 (ja) |
JP (1) | JP2005537264A (ja) |
AT (1) | ATE406158T1 (ja) |
AU (1) | AU2003271807A1 (ja) |
CA (1) | CA2492368A1 (ja) |
DE (1) | DE60323234D1 (ja) |
ES (1) | ES2312804T3 (ja) |
FR (1) | FR2842422B1 (ja) |
WO (1) | WO2004006911A2 (ja) |
Cited By (2)
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JP2012528818A (ja) * | 2009-06-02 | 2012-11-15 | ファーネクスト | Cmt及び関連障害を処置するための新たな組成物 |
KR20170022802A (ko) * | 2015-08-21 | 2017-03-02 | 삼성전자주식회사 | 2,5-디히드록시벤젠술폰산을 포함하는 신경세포의 수초화를 촉진하기 위한 조성물 및 그의 용도 |
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EP2065038A1 (en) | 2007-11-30 | 2009-06-03 | Pharnext | New therapeutic approaches for treating Charcot-Marie-Tooth disease |
EP2065821A1 (en) * | 2007-11-30 | 2009-06-03 | Pharnext | Novel disease treatment by predicting drug association |
EP2135607A1 (en) | 2008-06-18 | 2009-12-23 | Pharnext | Combination of pilocarpin and methimazol for treating Charcot-MarieTooth disease and related disorders |
US9393241B2 (en) | 2009-06-02 | 2016-07-19 | Pharnext | Compositions for treating CMT and related disorders |
NZ599082A (en) * | 2009-09-04 | 2014-06-27 | Munisekhar Medasani | Method of treatment of neurodegenerative or neuro-muscular degenerative diseases and therapeutic agent to treat the same |
FR2978963A1 (fr) | 2011-08-11 | 2013-02-15 | Ascorbix | Nouveaux derives des furanones et composition pharmaceutique les contenant |
EP3003268B1 (en) | 2013-06-05 | 2018-07-25 | Pharnext | Stable oral solutions for combined api |
US10383870B2 (en) | 2016-06-10 | 2019-08-20 | Pharnext | Early treatment of CMT disease |
CN109731005A (zh) * | 2019-02-19 | 2019-05-10 | 珠海壮元健康研究院有限公司 | 2-O-β-D-单糖基-L-抗坏血酸在防治神经退行性疾病药物中的应用 |
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US20020039568A1 (en) * | 2000-02-29 | 2002-04-04 | Moore Emma E. | Methods for promoting production of myelin by schwann cells |
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JP2012528818A (ja) * | 2009-06-02 | 2012-11-15 | ファーネクスト | Cmt及び関連障害を処置するための新たな組成物 |
KR20170022802A (ko) * | 2015-08-21 | 2017-03-02 | 삼성전자주식회사 | 2,5-디히드록시벤젠술폰산을 포함하는 신경세포의 수초화를 촉진하기 위한 조성물 및 그의 용도 |
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KR102526648B1 (ko) | 2015-08-21 | 2023-04-27 | 삼성전자주식회사 | 2,5-디히드록시벤젠술폰산을 포함하는 신경세포의 수초화를 촉진하기 위한 조성물 및 그의 용도 |
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US20050187290A1 (en) | 2005-08-25 |
FR2842422B1 (fr) | 2006-06-30 |
EP1526850A2 (fr) | 2005-05-04 |
US7649017B2 (en) | 2010-01-19 |
FR2842422A1 (fr) | 2004-01-23 |
DE60323234D1 (de) | 2008-10-09 |
WO2004006911A3 (fr) | 2004-04-08 |
AU2003271807A1 (en) | 2004-02-02 |
CA2492368A1 (fr) | 2004-01-22 |
ES2312804T3 (es) | 2009-03-01 |
AU2003271807A8 (en) | 2004-02-02 |
ATE406158T1 (de) | 2008-09-15 |
WO2004006911A2 (fr) | 2004-01-22 |
EP1526850B1 (fr) | 2008-08-27 |
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