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P-选择素/P-选择素糖蛋白配体-1与骨髓祖细胞胸腺归巢 被引量：1

P-selectin/PSGL-1 and homing of bone marrow-derived progenitors to thymus
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摘要 骨髓衍生的祖细胞归巢入胸腺是T细胞发育必需的过程,因为胸腺不包含具有自我更新能力的造血干细胞,它需要从血液中添补祖细胞,此过程依赖多级细胞粘附分子和趋化因子的衔接.细胞粘附分子选择素和它的配体PSGL-1在淋巴样祖细胞归巢入胸腺的过程中发挥重要作用.综述了选择素/配体PSGL-1的生物学特征及其相互作用对骨髓祖细胞胸腺归巢及胸腺-骨髓反馈环的影响和作用机制. Homing of bone marrow（BM）-derived progenitors to the thymus is essential for T cell development,because the thymus does not contain hematopoietic stem cells（HSC） with unlimited self-renewing capacity,it needs to recruit progenitors from the blood.The process is considered to depend on the multistep engagement of adhesion molecules and chemoattractants.This cascade involves selectin and its ligand interactions,signaling of chemokine through its receptor,and activation-induced binding of the integrins to their respective ligands.P-selectin/PSGL-1 play a significant role.The biological characterization of P-selectin/PSGL-1 and the effects on homing of bone marrow-derived progenitors to the thymus and thymus-bone marrow feedback loop of P-selectin/PSGL-1 interaction are summarized.
作者 张琳 郝选明 邓树勋 肖鹏
机构地区 华南师范大学生命科学学院 华南师范大学体育科学学院
出处 《天津师范大学学报（自然科学版）》 CAS 北大核心 2011年第2期77-81,共5页 Journal of Tianjin Normal University：Natural Science Edition
基金 广东省自然科学基金资助项目(9151063101000059)
关键词 P-选择素/P-选择素糖蛋白配体-1 骨髓 祖细胞归巢 胸腺 P-selectin/PSGL-1 bone marrow progenitor cell homing thymus
分类号 R392.1 [医药卫生—免疫学]
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参考文献24

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同被引文献15

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天津师范大学学报（自然科学版）
2011年 第2期

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