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巨核细胞通过血小板第4因子反馈调节造血干细胞的休眠:第55届美国血液学会年会报道

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摘要 纽约爱因斯坦医学院的一个研究将白喉毒素受体在血小板第4因子(PF4)启动子驱动下选择性表达于巨核细胞,从而建立了一个小鼠株(PF4-cre:iDTR).白喉毒素可耗尽小鼠的巨核细胞.白喉毒素处理使PF4-cre:iDTR小鼠骨髓中的巨核细胞下降.伴随着小鼠骨髓中的巨核细胞下降,造血干细胞(HSC)数量及增殖能力增加.这个小组进一步证明了PF4在维持HSC的休眠.因此,巨核细胞受体,一个HSC的后代细胞,首次被证明通过PF4反馈性调节了HSC的休眠状态.
出处 《白血病.淋巴瘤》 CAS 2014年第2期65-65,69,共2页 Journal of Leukemia & Lymphoma
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