JP2021502999A - 鎮痛活性を有するポリペプチドおよびその応用 - Google Patents
鎮痛活性を有するポリペプチドおよびその応用 Download PDFInfo
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- A—HUMAN NECESSITIES
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Abstract
Description
鎮痛活性を有するポリペプチド、またはその薬学的に許容される塩を提供し、そのうち、前記ポリペプチドは、アミノ酸配列Xa−Xb−Cys−Ser−Thr−Pro−Pro−Xc−Xd−Val−Leu−Tyr−Xeを有する。
接種後の4日目、7日目、10日目、14日目に、動物の熱放射刺激による足上げの潜時を観察し、熱放射の強度を、通常のマウスの足上げ潜時が(10±2)秒であることを基準とするように調整する。
接種後の4日目、7日目、10日目、14日目に、von Feryモノフィラメントを使用して両足の機械的感度をテストし、フリップテスト法を使用して50%足足引っ込め反応が現れる時の閾値を測定し、テストは0.4gから始まる。
Claims (8)
- アミノ酸配列Xa−Xb−Cys−Ser−Thr−Pro−Pro−Xc−Xd−Val−Leu−Tyr−Xe、またはその薬学的に許容される塩を有することを特徴とする鎮痛活性を有するポリペプチド。
- 前記XaはGlyまたは欠失で、前記XbはSerまたはLysのいずれかであり、前記Xcはd−CysまたはSerまたはAspのいずれかで、前記XdはAlaまたは欠失であり、前記XeはCysまたはSerであることを特徴とする請求項1に記載の鎮痛活性を有するポリペプチド。
- 前記ポリペプチドアミノ酸配列は、
ポリペプチドI:Gly−Ser−Cys−Ser−Thr−Pro−Pro−d{Cys}−Val−Leu−Tyr−Ser、
ポリペプチドII:Gly−Ser−Cys−Ser−Thr−Pro−Pro−Ser−Ala−Val−Leu−Tyr−Cys、または
ポリペプチドIII:Lys−Cys−Ser−Thr−Pro−Pro−Asp−Ala−Val−Leu−Tyr−Cysであることを特徴とする請求項1または2に記載の鎮痛活性を有するポリペプチド。 - 前記各ポリペプチド配列における2つのシステインの間で、1対のジスルフィド結合が形成されることを特徴とする請求項3に記載の鎮痛活性を有するポリペプチド。
- 前記ポリペプチドは、請求項3に記載の配列に基づいて、1つ以上のアミノ酸を削除、置換または添加することにより得られる配列を有することを特徴とする鎮痛活性を有するポリペプチド、またはその薬学的に許容される塩。
- 痛みを予防および/または治療するための製品の製造における請求項1または2または3に記載のポリペプチドの応用。
- その有効成分は請求項1または2または3に記載のポリペプチドであることを特徴とする痛みを予防および/または治療するための製品。
- 前記痛みは、物理的および化学的刺激、病理学的または神経障害性疼痛を含むことを特徴とする請求項7に記載の痛みを予防および/または治療するための製品。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CN201711122000.9 | 2017-11-14 | ||
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