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        <identifier>oai:kanazawa-u.repo.nii.ac.jp:00044760</identifier>
        <datestamp>2024-07-01T05:37:52Z</datestamp>
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          <dc:title>骨髄不全におけるCXCR4陽性造血幹細胞を標的とした新規治療法の開発</dc:title>
          <dc:title>Development of a new therapy targeting CXCR4+ hematopoietic stem cells in patients with bone marrow failure</dc:title>
          <dc:creator>中尾, 眞二</dc:creator>
          <dc:creator>2653</dc:creator>
          <dc:creator>70217660</dc:creator>
          <dc:description>余剰造血幹前駆細胞（HSPC）のマーカーであるCXCR4陽性のHSCPを活性化できれば、再生不良性貧血（再不貧）患者の造血機能を改善させられる可能性がある。免疫不全マウスの骨髄内にヒトCD34(+)細胞を移植したところ、3.3-20.4%のヒトCD45陽性細胞の再生を確認した。６pLOH陽性の再不貧患者単球由来iPS細胞からHSPCを誘導し、同じマウスに移植したところ、患者体内で優勢であった6pLOH(+)HSPCのCXCR4(+)細胞割合(平均10.2%)は野生型（50.7％）に比べて有意に低値であった。野生型CXCR4(+)HSPCをin vivoで活性化させる方法を現在検討中である。</dc:description>
          <dc:description>A chemokine receptor CXCR4 is preferentially expressed by redundant hematopoietic stem/progenitor cells (HSPCs) that do not contribute to hematopoiesis. Stimulation of residual CXCR4(+) HSPCs may restore hematopoietic function of patients with acquired aplastic anemia (AA). First, we optimized method of engrafting an immune-deficient mouse (BRGS mouse) with cord-blood CD34(+) cells using intra-bone marrow injection, and confirmed the presence of human CD45(+) cells that accounted for 3.3-20.4% of the various tissue-derived cells. Next, we induced HSPCs from iPS cells that were generated from monocytes of AA patients possessing 6pLOH(+) leukocytes, which were predominant in the patients’ blood, as a result of uniparental disomy, and injected the HSPCs to the same mice. Regenerating human 6pLOH(+)CD34(+) cells in the mice expressed CXCR4 to a significantly lesser degree (mean 10.2%) than did 6pLOH(-)CD34(+) cells. We are currently exploring a method to activate CXCR4(+) HSPCs in vivo.</dc:description>
          <dc:description>研究課題/領域番号:15K15360, 研究期間(年度):2015-04-01 - 2017-03-31</dc:description>
          <dc:description>出典：「骨髄不全におけるCXCR4陽性造血幹細胞を標的とした新規治療法の開発」研究成果報告書　課題番号15K15360
（KAKEN：科学研究費助成事業データベース（国立情報学研究所）） 
（https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-15K15360/15K15360seika/）を加工して作成</dc:description>
          <dc:description>金沢大学医薬保健研究域医学系</dc:description>
          <dc:description>research report</dc:description>
          <dc:date>2017-05-31</dc:date>
          <dc:type>AM</dc:type>
          <dc:format>application/pdf</dc:format>
          <dc:identifier>平成28(2016)年度 科学研究費補助金 挑戦的萌芽研究 研究成果報告書</dc:identifier>
          <dc:identifier>2015-04-01 - 2017-03-31</dc:identifier>
          <dc:identifier>4p.</dc:identifier>
          <dc:identifier>2016 Fiscal Year Final Research Report</dc:identifier>
          <dc:identifier>https://kanazawa-u.repo.nii.ac.jp/record/44760/files/ME-PR-NAKAO-S-kaken 2017-4p.pdf</dc:identifier>
          <dc:identifier>https://doi.org/10.24517/00051101</dc:identifier>
          <dc:identifier>http://hdl.handle.net/2297/00051101</dc:identifier>
          <dc:identifier>https://kanazawa-u.repo.nii.ac.jp/records/44760</dc:identifier>
          <dc:language>jpn</dc:language>
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