Effects of Pin1 on the Proliferation and Apoptosis of Cervical Cancer SiHa Cells by Regulating Key Enzymes of Lipid Metabolism

Yan HAI; Tursun MIKRBAN; Hasim AXIANGU

doi:10.12259/j.issn.2095-610X.S20230107

Volume 44 Issue 1

Jan. 2023

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Yan HAI, Tursun MIKRBAN, Hasim AXIANGU. Effects of Pin1 on the Proliferation and Apoptosis of Cervical Cancer SiHa Cells by Regulating Key Enzymes of Lipid Metabolism[J]. Journal of Kunming Medical University, 2023, 44(1): 1-6. doi: 10.12259/j.issn.2095-610X.S20230107

Citation:

Yan HAI, Tursun MIKRBAN, Hasim AXIANGU. Effects of Pin1 on the Proliferation and Apoptosis of Cervical Cancer SiHa Cells by Regulating Key Enzymes of Lipid Metabolism[J]. Journal of Kunming Medical University, 2023, 44(1): 1-6. doi: 10.12259/j.issn.2095-610X.S20230107

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Effects of Pin1 on the Proliferation and Apoptosis of Cervical Cancer SiHa Cells by Regulating Key Enzymes of Lipid Metabolism

doi: 10.12259/j.issn.2095-610X.S20230107

Basic Medical College of Xinjiang Medical University/Xinjiang Laboratory of Endemic Molecular Biology，Urumqi Xinjiang 836001，China

Received Date: 2022-10-08
Available Online: 2022-12-24
Publish Date: 2023-01-18

Abstract

Abstract

Objective To investigate the effect of down-regulation of Pin1 expression on lipid synthesis, proliferation and apoptosis of cervical cancer SiHa cells. Methods Western Blot was used to detect the expression of Pin1 in Hela, SiHa and H8 cells; Lentiviral transfection technology constructed Pin1 low-expression stable transduction cell line, which was divided into the control group （shPin1-NON）, knockdown group1 （shPin1-1） and knockdown group2 （shPin1-2） according to different treatments; GEPIA2 was used to analyze the expression of key enzymes of lipid metabolism （ACC1, FASN） in cervical cancer and non-tumor tissues and the expression of ACC1 and FASN in cervical cancer and non-tumor tissues; Western Blot and qRT-PCR were used to detect the ACC1, FASN protein and mRNA expression; Western Blot was used to detect the Caspase-8, BCL-2, C-myc protein expression; CCK-8 was used to detect the cell proliferation; Clone formation assay was used to detect the cell colony formation ability and flow cytometry was used to detect the cell apoptosis. Results Pin1 was highly expressed in cervical cancer cells, and the highest expression was in SiHa cells; Pin1 low expression lentivirus effectively down-regulated the Pin1 expression level; ACC1 and FASN mRNA expressions in cervical cancer were higher than those in non-tumor tissues; The protein and mRNA expressions of ACC1 and FASN in shPin1-1 group and shPin1-2 group were lower than those in the shPin1-NON group; the shPin1-1 and shPin1-2 groups were up-regulated compared with the shPin1-NON group, while the expression of BCL-2 and C-myc was up-regulated. The expression was inhibited; The proliferation ability of shPin1-1 group and shPin1-2 group was lower than that of shPin1-NON group; The colony formation ability of shPin1-1 group and shPin1-2 group was lower than that of shPin1-NON group. Compared with the shPin1-NON group, the total apoptotic rate of cells in the shPin1-1 and shPin1-2 groups was significantly increased. （P < 0.05）. Conclusion Low expression of Pin1 can effectively down-regulate fatty acid synthase in cervical cancer SiHa cells, inhibit cell proliferation, and induce cell apoptosis, which provides a new idea for targeted therapy of cervical cancer.
- Cervical cancer,
- Peptidylprolyl isomerase,
- Fatty acid synthase

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References(17)

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