JP2020506693A5 - - Google Patents

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JP2020506693A5
JP2020506693A5 JP2019540076A JP2019540076A JP2020506693A5 JP 2020506693 A5 JP2020506693 A5 JP 2020506693A5 JP 2019540076 A JP2019540076 A JP 2019540076A JP 2019540076 A JP2019540076 A JP 2019540076A JP 2020506693 A5 JP2020506693 A5 JP 2020506693A5
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ace2
variant
amino acid
acid sequence
fusion protein
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JP2019540076A
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JP7332157B2 (ja
JP2020506693A (ja
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Priority claimed from PCT/US2018/014991 external-priority patent/WO2018140456A1/en
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Priority to JP2023127196A priority Critical patent/JP2023133564A/ja
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Claims (18)

  1. 配列番号3又は配列番号4に示されるアミノ酸配列を含むアンジオテンシン変換酵素2の変異体(ACE2)変異体であって、該変異体はACE2活性を有し分子量は60kDaから71kDaの範囲であり、糸球体濾過を介した送達を可能にする、ACE2の変異体。
  2. ACE2の変異体が、全長ACE2(配列番号1)と比較して、N末端欠失、C末端欠失、又はその両方をさらに含む、請求項1に記載のACE2の変異体。
  3. 欠失全長ACE2に存在するグリコシル化部位を除去する、請求項2に記載のACE2の変異体。
  4. ACE2の変異体が、AngII(1−8)をAng(1−7)に変換するために、全長ACE2(配列番号1)よりも高いACE2活性を有する、請求項1に記載のACE2の変異体。
  5. ACE2の変異体が少なくとも1週間の血漿中半減期を有する、請求項1に記載のACE2の変異体。
  6. 血漿中のACE2の変異体の半減期を増加させる異種アミノ酸配列に融合した請求項1に記載のACE2の変異体を含む融合タンパク質。
  7. 合タンパク質が、少なくとも1週間の血漿中半減期を有する、請求項に記載の融合タンパク質。
  8. 異種アミノ酸配列が、(i)融合ポリペプチドの二量体化を防ぐヒンジ領域を欠損している抗体のFc部分のアミノ酸配列又はその断片;(ii)ヒト血清アルブミンのドメインIIIのアミノ酸配列又はその断片;及び(iii)連鎖球菌プロテインGのC末端アルブミン結合ドメイン3(ABD3)のアミノ酸配列からなる群から選択されるアミノ酸配列を含む、請求項に記載の融合タンパク質。
  9. ACE2の変異体と異種アミノ酸配列との間にリンカーアミノ酸配列をさらに含み、リンカー配列がグリシン及びセリンから選択される5〜15個のアミノ酸を含む、請求項に記載の融合タンパク質。
  10. N末端又はC末端ヒスチジンタグをさらに含む、請求項に記載の融合タンパク質。
  11. ポリエチレングリコールポリマーに結合した請求項1に記載のACE2の変異体を含む結合体。
  12. ナノ粒子に結合した請求項1に記載のACE2の変異体を含む結合体。
  13. ポリエチレングリコールポリマー又はナノ粒子に結合した請求項1に記載のACE2の変異体を含む結合体であって、少なくとも1週間の血漿中半減期を有する結合体。
  14. (i)請求項1に記載のACE2の変異体;及び(ii)適切な医薬用担体を含む医薬組成物。
  15. 請求項14に記載の医薬組成物を対象に投与することを含む、それを必要とする対象においてAngII(1−8)レベルを減少させる及び/又はAng(1−7)レベルを増加させる方法。
  16. 象が、糖尿病性腎疾患、急性腎不全、慢性腎疾患、糸球体腎炎、腎動脈狭窄、特発性肺線維症、肝硬変患者における肝線維症、大動脈瘤、心臓の線維化とリモデリング、左心室肥大、及び急性脳卒中からなる群から選択される状態を有する、請求項15に記載の方法。
  17. 薬組成物が静脈内投与又は皮下投与により投与される、請求項15に記載の方法。
  18. 薬組成物が肺投与される、請求項15に記載の方法。
JP2019540076A 2017-01-24 2018-01-24 アンジオテンシン変換酵素2(ace2)の活性な低分子量変異体 Active JP7332157B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023127196A JP2023133564A (ja) 2017-01-24 2023-08-03 アンジオテンシン変換酵素2(ace2)の活性な低分子量変異体

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Application Number Priority Date Filing Date Title
US201762449857P 2017-01-24 2017-01-24
US62/449,857 2017-01-24
PCT/US2018/014991 WO2018140456A1 (en) 2017-01-24 2018-01-24 Active low molecular weight variants of angiotensin converting enzyme 2 (ace2)

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JP2020506693A JP2020506693A (ja) 2020-03-05
JP2020506693A5 true JP2020506693A5 (ja) 2021-03-11
JP7332157B2 JP7332157B2 (ja) 2023-08-23

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JP2023127196A Pending JP2023133564A (ja) 2017-01-24 2023-08-03 アンジオテンシン変換酵素2(ace2)の活性な低分子量変異体

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US (3) US10443049B2 (ja)
EP (1) EP3574094A4 (ja)
JP (2) JP7332157B2 (ja)
WO (1) WO2018140456A1 (ja)

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