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The Mesenchymal Stem Cells Derived from Transgenic Mice Carrying Human Coagulation Factor Ⅷ Can Correct Phenotype in Hemophilia A Mice 被引量:2
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作者 Qing Wang Xiuli Gong +4 位作者 Zhijuan Gong xiaoyie ren Zhaorui ren Shuzhen Huang Yitao Zeng 《Journal of Genetics and Genomics》 SCIE CAS CSCD 2013年第12期617-628,共12页
Hemophilia A (HA) is an inherited X-linked recessive bleeding disorder caused by coagulant factor VIII (FVIII) deficiency. Previous studies showed that introduction of mesenchymal stem cells (MSCs) modified by F... Hemophilia A (HA) is an inherited X-linked recessive bleeding disorder caused by coagulant factor VIII (FVIII) deficiency. Previous studies showed that introduction of mesenchymal stem cells (MSCs) modified by FVIll-expressing retrovims may result in phenotypic correction of HA animals. This study aimed at the investigation of an alternative gene therapy strategy that may lead to sustained FVIII transgene expression in HA mice. B-domain-de/eted human FVIll (hFVHIBD) vector was microinjected into single-cell embryos of wild-type mice to generate a transgenic mouse line, from which hFVIIIBD-MSCs were isolated, followed by transplantation into HA mice. RT-PCR and real-time PCR analysis demonstrated the expression of hFVlllBD in multi-organs of recipient HA mice. Immunohistochemistry showed the presence of hFVIIIBD positive staining in multi-organs of recipient HA mice. ELISA indicated that plasma hFVIIIBD level in recipient mice reached its peak (77 ng/ mL) at the 3rd week after implantation, and achieved sustained expression during the 5-week observation period. Plasma FVIII activities of recipient HA mice increased from 0% to 32% after hFVIIIBD-MSCs transplantation. APTT (activated partial thromboplastin time) value decreased in hFVIIIBD-MSCs transplanted HA mice compared with untreated HA mice (45.5 s vs. 91.3 s). Our study demonstrated an effective phenotypic correction in HA mice using genetically modified MSCs from hFVIIIBD transgenic mice. 展开更多
关键词 Hemophilia A MSCS FVIII Transgenic mouse Gene therapy
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