Guo Y, Huo RJ, Yao JF. Effect of baicalin on the JAK-STAT3 signaling pathway in human hepatocellular carcinoma cell line SMMC-7721.
Shijie Huaren Xiaohua Zazhi 2011;
19:2363-2367. [DOI:
10.11569/wcjd.v19.i22.2363]
[Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the effect of baicalin on the JAK-STAT3 signaling pathway in human hepatocellular carcinoma cell line SMMC-7721.
METHODS: SMMC-7721 cells were divided into four groups: blank control group, baicalin group, AG490 group, and baicalin plus AG490 group. The mRNA expressional level of STAT3 in SMMC-7721 cells was measured by RT-PCR. The protein expression levels of STAT3 and p-STAT3 in SMMC-7721 cells were measured by Western blot.
RESULTS: The expressional level of STAT3 mRNA in SMMC-7721 cells was significantly lower in the baicalin group than in the blank control group (0.505 ± 0.111 vs 0.697 ± 0.145, P < 0.05). The protein expressional levels of STAT3 and p-STAT3 in SMMC-7721 cells were also significantly lower in the baicalin group than in the blank control group (0.879 ± 0.012 vs 1.087 ± 0.015, 0.983 ± 0.085 vs 1.103 ± 0.074, both P < 0.05). Compared to the baicalin group, the protein expressional level of p-STAT3 in SMMC-7721 cells was significantly decreased in the baicalin plus AG490 (0.756 ± 0.103 vs 0.983 ± 0.085, P < 0.05).
CONCLUSION: Baicalin could significantly down-regulate the mRNA and protein expressional levels of STAT3 and p-STAT3 and inhibit the activation of STAT3 protein in SMMC-7721 cells.
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