Zhang Z, Ling JH, Ning HE, Wang YJ, Liang G, Zhang YQ. Effect of Chaihu Shugan Powder containing serum on proliferation and cell cycle of rat gastric interstitial cells of Cajal
in vitro.
Shijie Huaren Xiaohua Zazhi 2015;
23:4792-4799. [DOI:
10.11569/wcjd.v23.i30.4792]
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Abstract
AIM: To evaluate the effect of Chaihu Shugan Powder containing serum on proliferation and cell cycle of rat gastric interstitial cells of Cajal (ICCs) in vitro.
METHODS: ICCs were identified by immunofluorescence and then divided into different groups to co-culture in vitro with Chaihu Shugan Powder containing serum (5%, 10%, or 20%) or domperidone (10%). Untreated cells were used as a blank control. Cell proliferation was detected by CCK-8 assay, and the cell cycle was measured by flow cytometry (FCM). Western blot was used to detect the expression of CDK2 and cyclin E in ICCs.
RESULTS: Compared with the blank group, Chaihu Shugan Powder containing serum (5%, 10%, and 20%) and domperidone (10%) significantly promoted ICC proliferation (P < 0.01 for all) and increased the proportions of cells in G0/G1 and S phases (P < 0.01 for all). Chaihu Shugan Powder containing serum (10%) and 10% domperidone significantly upregulated the expression of CDK2 and cyclin E (P < 0.01 for all). Drug containing serum at concentrations of 10% and 20% was significantly better than 5% in promoting cell proliferation and increasing the proportions of cells in G0/G1 and S phases (P < 0.05 for all). The difference between 10% and 20% concentrations in increasing the proportion of cells in G0/G1 phase was significant (P < 0.05), but there was no significant difference in increasing the proportion of cells in S phase or cell proliferation (P > 0.05 for all). Compared with 10% domperidone, 10% drug containing serum was significantly better in promoting ICC proliferation and upregulating the expression of CDK2 and cyclin E (P < 0.05 for all). In terms of increasing the proportion of cells in G0/G1 and S phases, 10% and 20% drug containing serum was better than 10% domperidone (P < 0.05 for all).
CONCLUSION: Chaihu Shugan Powder containing serum can increase the activity and proliferation of rat gastric ICCs in vitro.
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