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Transgenic mouse models of the truncated platelet integrin β3 cytoplasmic tail established by stem cell transplantation
Ist Teil von
Zhongguo shi yan xue ye xue za zhi, 2013-06, Vol.21 (3), p.667
Ort / Verlag
China
Erscheinungsjahr
2013
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
This study was purpose to establish the transgenic mouse models of the truncated platelet integrin β3 by retrovirus-infected hematopoietic stem cells (HSCs) transplantation and to provide the basis for further study of the role of integrin β3 cytoplasmic domain in platelet bi-directional signaling pathways. Wild-type β3, β3-Δ759 (R(760) GT(762) truncated β3) and β3-Δ754 (T(755) NITYRGT(762) truncated β3) cDNAs were subcloned into MSCV MigR1 retroviral vector bearing a GFP gene and packaged into infective retrovirus with BOSC23 cell strain. The bone marrow HSCs of the β3 deficient mice were infected by the retroviruses, and transplanted into lethally-irradiated wild type C57BL/6 mice. GFP positive rate and surface β3 expression of the recipients' platelets at 6 to 8 weeks after transplantation were detected by flow cytometry to evaluate the transgenic efficiency. The results showed that four kinds of transgenic mouse models including vector, wild-type β3, β3-Δ759 and β3-Δ754 were established successfully. GFP