Am J Transl Res:Wnt4表达的丧失通过牙髓炎中的JNK信号传导抑制牙髓干细胞的牙源性潜力

2019-05-04 不详 网络

基于牙髓干细胞(DPSC)的炎性病症的牙源性再生在牙髓炎的过程中是重要的。据报道,DPSC在炎症条件下丧失了牙源性再生的可能性。本研究旨在确定DPSCs在炎症微环境中牙源性分化受损的机制。我们使用重组慢病毒Wnt4和Wnt4 siRNA调节Wnt4表达。进行碱性磷酸酶(ALP)和茜素红S(ARS)染色以及实时PCR以评估具有上调或下调的Wnt4的DPSC的成骨分化潜能。此外,SP600125用于抑

基于牙髓干细胞(DPSC)的炎性病症的牙源性再生在牙髓炎的过程中是重要的。据报道,DPSC在炎症条件下丧失了牙源性再生的可能性。本研究旨在确定DPSCs在炎症微环境中牙源性分化受损的机制。

我们使用重组慢病毒Wnt4和Wnt4 siRNA调节Wnt4表达。进行碱性磷酸酶(ALP)和茜素红S(ARS)染色以及实时PCR以评估具有上调或下调的Wnt4的DPSC的成骨分化潜能。此外,SP600125用于抑制潜在的下游因子JNK1,并评估DPSC的成骨分化能力。如图所示,Wnt4在炎性条件下在DPSC中下调。抑制DPSCs中Wnt4的表达负调控牙源性分化。在LPS处理的DPSC中过表达Wnt4促进了牙源性分化。此外,JNK1负责Wnt4介导的DPSCs牙源性分化。

总之,Wnt4可通过在炎性条件下通过DPSC损害牙源性再生的过程中影响JNK信号传导途径起作用。

原始出处:

Zhong TY, Zhang ZC, et al., Loss of Wnt4 expression inhibits the odontogenic potential of dental pulp stem cells through JNK signaling in pulpitis. Am J Transl Res. 2019 Mar 15;11(3):1819-1826. eCollection 2019.

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    2019-08-30 bsmagic9140
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    2019-08-06 jxrzshh
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    2019-05-06 zhwj