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Title:
ADENO-ASSOCIATED VIRUS VIRION FOR TREATING ORNITHINE TRANSCARBAMYLASE DEFICIENCY
Document Type and Number:
WIPO Patent Application WO/2022/224372
Kind Code:
A1
Abstract:
The present application provides a novel means for treating ornithine transcarbamylase deficiency. More specifically, the present application provides a modified adeno-associated virus vector which expresses ornithine transcarbamylase so that an attack from a neutralizing antibody in blood is reduced and a gene is efficiently introduced into a liver of a living body (for example, human). The present application provides, for example, a modified adeno-associated virus vector which expresses ornithine transcarbamylase, which contains a modified VP1 protein that contains, for example, an amino acid sequence obtained by substituting at least one of the 472th amino acid, the 587th amino acid, and the 706th amino acid in the amino acid sequence of the VP1 protein with another amino acid, and which does not cross-react with a neutralizing antibody against AAV2.

Inventors:
MURAMATSU SHIN-ICHI (JP)
TAKINO NAOMI (JP)
ITO MIKA (JP)
YAMAGATA TAKANORI (JP)
MURAMATSU KAZUHIRO (JP)
Application Number:
PCT/JP2021/016141
Publication Date:
October 27, 2022
Filing Date:
April 21, 2021
Export Citation:
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Assignee:
UNIV JICHI MEDICAL (JP)
GENE THERAPY RES INSTITUTION CO LTD (JP)
International Classes:
C12N15/864; A61K35/76; A61K38/45; A61K48/00; A61P43/00
Domestic Patent References:
WO2021009805A12021-01-21
WO2008124724A12008-10-16
WO2012057363A12012-05-03
WO2018131551A12018-07-19
WO2003018821A22003-03-06
WO2003053476A12003-07-03
WO2007001010A12007-01-04
WO2006073073A12006-07-13
Foreign References:
JP2019216667A2019-12-26
JP2017512466A2017-05-25
JP2021097617A2021-07-01
JP2002516062A2002-06-04
US20020086356A12002-07-04
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Attorney, Agent or Firm:
KOBAYASHI Hiroshi et al. (JP)
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