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CHEMOKINE CXCL16 INDUCES PROLIFERATION AND INVASION OF HUMAN FIRST-TRIMESTER CYTOTROPHOBLASTS IN AUTOCRINE MANNER
Author(s): HUANG Yulidajin(lab.forreproductiveimmunology, HOSPITAL &instituteofobstetricsandgynecology, SHANGHAI Medicalcollege, FUDAN University, SHANGHAI 200011)
Pages: 15-
21
Year: 2006
Issue:
1
Journal: Acta Biologiae Experimentalis Sinica
Keyword: 趋化因子; CXCL16; 滋养细胞增殖; 滋养细胞侵袭;
Abstract: 本文探讨趋化因子CXCL16在细胞滋养细胞的分泌特征,以及其促进滋养细胞增殖和侵袭的生物学作用。采用原代培养人早孕滋养细胞,ELISA法检测不同种植密度培养12、24、36、48、60、 72、100h上清液中CXCL16分泌水平;[3H]TdR掺入法分析外源性CXCL16刺激后滋养细胞的增殖效应;matrigel侵袭试验分析外源性CXCL16处理后滋养细胞的侵袭性。结果表明原代培养的人早孕滋养细胞可持续分泌趋化因子CXCL16,在最初培养的48h分泌旺盛,培养至100h仍可见CX- CL16分泌;rhCXCL16浓度达100ng/ml时能够明显促进体外培养的滋养细胞增殖效应:rhCXCL16 浓度达10ng/ml时能明显促进滋养细胞的侵袭能力。实验证明人早孕滋养细胞分泌趋化因子CX- CL16,并以自分泌方式促进滋养细胞的增殖和侵袭,可能在胎盘形成和绒毛外滋养细胞的入侵中发挥重要作用。
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