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MSC (mesenchymal stem cell) as therapeutic cytoreagents Masayoshi Kobune 1,2 , Hirofumi Hamada 1 1Department of Molecular Medicine, Sapporo Medical University School of Medicine 2Fourth Department of Internal Medicine, Sapporo Medical University School of Medicine Keyword: 遺伝子治療 , 間葉系幹細胞 , 骨髄幹細胞 , 造血幹細胞 , グリア細胞 pp.931-937
Published Date 2005/12/10
DOI https://doi.org/10.11477/mf.1431100116
  • Abstract
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We developed human mesenchymal stem cell(MSC)lines that could differentiate into various tissue cells including bone, neural cells, bone marrow(BM)stromal cells supporting the growth of HSC, and so-called“tumor stromal cells”mixing with tumor cells. We investigated the applicability of MSC as therapeutic cell transplanting reagents(cytoreagents). Telomerized human BM derived stromal cells exhibited prolonged lifespan and supported the growth of hematopoietic clonogenic cells. Gene-modified MSC are useful as therapeutic tools for brain tissue damage(e.g., brain infarction)and malignant brain neoplasms. MSC transplantation protected the brain tissue from acute ischemic damage in the midcerebral artery occlusion(MCAO)animal model. Brain-derived neurotrophic factor(BDNF)-gene transduction further enhanced the protective efficacy against the ischemic damage. MSC possessed excellent migratory ability and exerted inhibitory effects on the proliferation of glioma cells. Gene-modification of MSC with therapeutic cytokines clearly augmented the antitumor effect and prolonged the survival of tumor-bearing animals. Gene therapy employing MSC as a tissue-protecting and targeting cytoreagent would be a promising approach.


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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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