Acetylcholine induces mesenchymal stem cell migration via Ca2+ /PKC/ERK1/2 signal pathway.
Acetylcholine induces mesenchymal stem cell migration via Ca2+ /PKC/ERK1/2 signal pathway.
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乙酰胆碱通过 Ca2 /PKC/ERK1/2 信号通路诱导间充质干细胞迁移。
DOI:
10.1002/jcb.24148
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发表时间:
2012-08
影响因子:
4
通讯作者:
Chen, Shi-You
中科院分区:
文献类型:
--
作者:
Tang, Jun-Ming;Yuan, Jie;Li, Qing;Wang, Jia-Ning;Kong, Xia;Zheng, Fei;Zhang, Lei;Chen, Long;Guo, Lin-Yun;Huang, Yong-Hang;Yang, Jian-Ye;Chen, Shi-You
Acetylcholine (ACh) plays an important role in neural and non-neural function, but its role in mesenchymal stem cell (MSC) migration remains to be determined. In the present study, we have found that ACh induces MSC migration via muscarinic acetylcholine receptors (mAChRs). Among several mAChRs, MSCs express mAChR subtype 1 (m1AChR). ACh induces MSC migration via interaction with mAChR1. MEK1/2 inhibitor PD98059 blocks ERK1/2 phosphorylation while partially inhibiting the ACh-induced MSC migration. InsP3Rs inhibitor 2-APB that inhibits MAPK/ERK phosphorylation completely blocks Ach-mediated MSC migration. Interestingly, intracellular Ca2+ ATPase specific inhibitor thapsigargin also completely blocks ACh-induced MSC migration through the depletion of intracellular Ca2+ storage. PKCα or PKCβ inhibitor or their siRNAs only partially inhibit ACh-induced MSC migration, but PKC-ζ siRNA completely inhibits ACh-induced MSC migration via blocking ERK1/2 phosphorylation. These results indicate that ACh induces MSC migration via Ca2+, PKC and ERK1/2 signal pathways.
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