IL-21 promotes osteoblastic differentiation of human valvular interstitial cells through the JAK3/STAT3 pathway.

IL-21 promotes osteoblastic differentiation of human valvular interstitial cells through the JAK3/STAT3 pathway.
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IL-21通过JAK3/STAT3途径促进人瓣膜间质细胞成骨分化

DOI:
10.7150/ijms.49533
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发表时间:
2020
影响因子:
3.6
通讯作者:
Dong N
Dong N
中科院分区:
医学4区
文献类型:
--
作者:
Liu Z;Wang Y;Shi J;Chen S;Xu L;Li F;Dong N

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目的:探讨IL-21对体外培养的人瓣膜间质细胞(VIC)成骨细胞转分化的促进作用。研究方法:我们首先通过免疫组织化学、qPCR和蛋白质印迹法证实IL-21改变CAVD主动脉瓣组织和正常样本之间的基因表达。培养VIC并用IL-21处理。测量成骨细胞标志物ALP和Runx 2的基因和蛋白质表达水平,其可以被特异性JAK 3抑制剂和/或STAT 3的siRNA阻断。结果:IL-21在钙化的主动脉瓣中表达上调,并促进人VIC的成骨分化。IL-21通过JAK 3/STAT 3途径加速维克钙化。结论:我们的数据表明,IL-21是瓣膜钙化的关键因素,是CAVD靶向治疗的有希望的候选者。
Objectives: This study amied to whether IL-21 promotes osteoblast transdifferentiation of cultured human Valvular interstitial cells (VICs). Methods: We first confirmed that IL-21 alters gene expression between CAVD aortic valve tissue and normal samples by immunohistochemistry, qPCR, and western blotting. VICs were cultured and treated with IL-21. Gene and protein expression levels of the osteoblastic markers ALP and Runx2, which can be blocked by specific JAK3 inhibitors and/or siRNA of STAT3, were measured. Results: IL-21 expression was upregulated in calcified aortic valves and promotes osteogenic differentiation of human VICs. IL-21 accelerated VIC calcification through the JAK3/STAT3 pathway. Conclusion: Our data suggest that IL-21 is a key factor in valve calcification and a promising candidate for targeted therapeutics for CAVD.
DOI: 10.2967/jnumed.114.152355
发表时间: 2015-06
期刊: Journal of nuclear medicine : official publication, Society of Nuclear Medicine
影响因子: --
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