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2021 Fiscal Year Final Research Report

Functional analysis of novel genes related to aplastic anemia using mouse models.

Research Project

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Project/Area Number 19K08297
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 52050:Embryonic medicine and pediatrics-related
Research InstitutionNagoya University

Principal Investigator

Atsushi Narita  名古屋大学, 医学部附属病院, 助教 (20625149)

Co-Investigator(Kenkyū-buntansha) 奥野 友介  名古屋市立大学, 医薬学総合研究院(医学), 教授 (00725533)
高橋 義行  名古屋大学, 医学系研究科, 教授 (40432273)
Project Period (FY) 2019-04-01 – 2022-03-31
Keywords再生不良性貧血 / 次世代シーケンサー / マウス / 骨髄増殖 / 免疫回避
Outline of Final Research Achievements

We recurrently identified novel gene X mutations using whole exome analysis in children with aplastic anemia. We hypothesized that mutations in gene X might confer an advantage in myeloproliferation or immune escape in aplastic anemia patients. Using a mutant mouse model of gene X, we examined the functional significance of the novel gene X mutant allele in aplastic anemia. Bone marrow specimens were collected from gene X mutant mice and subjected to colony assay, expression analysis by RNA sequencing, MHC deletion analysis, and bone marrow competitive transplantation experiments. In all results, however, mutations in gene X showed no advantage over controls in myeloproliferation or immune escape.

Free Research Field

再生不良性貧血

Academic Significance and Societal Importance of the Research Achievements

本研究では再生不良性貧血における新規遺伝子X変異アリルの機能的意義を検討した。遺伝子Xは、がん悪性化にも関与する遺伝子の制御因子として知られているが、血液疾患との関連性についてはこれまでに報告がない。本研究は、再生不良性貧血の病態機構に関する研究を補完するだけでなく、遺伝子Xにおける機能について解析を実施することで、他疾患の病態解明にも影響を与えうるものである。

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Published: 2023-01-30  

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