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BACKGROUND Loss and/or dysfunction of interstitial Cajal-like cells(ICLCs)in the gallbladder may promote cholesterol gallstone formation by decreasing gallbladder motility.AIM To study the effect of cholesterol on the proliferation and apoptosis of ICLCs from guinea pig gallbladders.METHODS Guinea pig gallbladder ICLCs were isolated and cultured in vitro.The cells were exposed to cholesterol solutions at different concentrations(0,25,50,and 100 mg/L)for 24 h.Then,cell proliferation was detected by the CCK-8 method and the apoptosis rate was detected by flow cytometry.Further,the expression of the c-Kit protein was detected by Western blot and the expression level of c-Kit m RNA in the cells was detected by real-time quantitative PCR.RESULTS After ICLCs were cultured with cholesterol at concentrations of 25,50,and 100 mg/L,the proliferation rates decreased significantly(P<0.05),whereas the apoptosis rates increased significantly(P<0.05).Moreover,the expression of cKit protein and m RNA decreased significantly(P<0.05).CONCLUSION High cholesterol concentrations can inhibit the proliferation of ICLCs and promote apoptosis.This decrease in the ICLC proliferation rate might be caused by the inhibition of the stem cell factor/c-Kit signaling pathway.
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篇名 Effect of cholesterol on in vitro cultured interstitial Cajal-like cells isolated from guinea pig gallbladders
来源期刊 世界胃肠外科杂志:英文版(电子版) 学科 医学
关键词 Interstitial Cajal-like cells CHOLESTEROL Apoptosis c-Kit
年,卷(期) 2020,(5) 所属期刊栏目
研究方向 页码范围 226-235
页数 10页 分类号 R363
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Interstitial
Cajal-like
cells
CHOLESTEROL
Apoptosis
c-Kit
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世界胃肠外科杂志:英文版(电子版)
月刊
1948-9366
北京市朝阳区东四环中路62号楼远洋国际中
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75
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