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Overexpression of circAtp9b in ulcerative colitis is induced by lipopolysaccharides and upregulates PTEN to promote the apoptosis of colonic epithelial cells

  • Authors:
    • Fengdong Li
    • Jinjin Fu
    • Li Fan
    • Shuangshuang Lu
    • Huahui Zhang
    • Xiaoying Wang
    • Zhanju Liu
  • View Affiliations / Copyright

    Affiliations: Department of Gastroenterology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu 213003, P.R. China, Department of Internal Medicine, Graduate School of Dalian Medical University, Dalian, Liaoning 116044, P.R. China, Department of Oncology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu 213003, P.R. China, Department of Gastroenterology, Shanghai Tenth People's Hospital, Clinical Medical College of Nanjing Medical University, Shanghai 200072, P.R. China
    Copyright: © Li et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 1404
    |
    Published online on: October 4, 2021
       https://doi.org/10.3892/etm.2021.10840
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Abstract

It has been reported that knockdown of circular RNA (circ) ATPase class II type 9B (Atp9b) can reduce lipopolysaccharide (LPS)‑induced inflammation, which plays a notable role in ulcerative colitis (UC). The present study aimed to explore the role of circAtp9b in UC. The expression levels of Atp9b and PTEN in the plasma of patients with UC (n=60) and healthy controls (n=60) were determined via reverse transcription‑quantitative PCR. Overexpression of circAtp9b and PTEN were achieved in human colonic epithelial cells (HCnEpCs) to explore the relationship between circAtp9b and PTEN. The role of circAtp9b and PTEN in regulating the apoptosis of HCnEpCs under LPS treatment was evaluated using flow cytometry. The present study revealed that circAtp9b was upregulated in UC and that it was positively correlated with PTEN. In HCnEpCs, LPS treatment resulted in upregulation of circAtp9b in a dose‑dependent manner. Moreover, overexpression of circAtp9b mediated the upregulation of PTEN in HCnEpCs, while silencing of circAtp9b decreased the expression levels of PTEN. Apoptosis analysis demonstrated that overexpression of circAtp9b and PTEN promoted the apoptosis of HCnEpCs. In addition, silencing of circAtp9b suppressed apoptosis. Moreover, overexpression of PTEN reduced the effects of silencing of circAtp9b. In conclusion, overexpression of circAtp9b in UC was induced by LPS and it positively upregulated PTEN to promote the apoptosis of HCnEpCs induced by LPS.
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Copy and paste a formatted citation
Spandidos Publications style
Li F, Fu J, Fan L, Lu S, Zhang H, Wang X and Liu Z: Overexpression of circAtp9b in ulcerative colitis is induced by lipopolysaccharides and upregulates PTEN to promote the apoptosis of colonic epithelial cells. Exp Ther Med 22: 1404, 2021.
APA
Li, F., Fu, J., Fan, L., Lu, S., Zhang, H., Wang, X., & Liu, Z. (2021). Overexpression of circAtp9b in ulcerative colitis is induced by lipopolysaccharides and upregulates PTEN to promote the apoptosis of colonic epithelial cells. Experimental and Therapeutic Medicine, 22, 1404. https://doi.org/10.3892/etm.2021.10840
MLA
Li, F., Fu, J., Fan, L., Lu, S., Zhang, H., Wang, X., Liu, Z."Overexpression of circAtp9b in ulcerative colitis is induced by lipopolysaccharides and upregulates PTEN to promote the apoptosis of colonic epithelial cells". Experimental and Therapeutic Medicine 22.6 (2021): 1404.
Chicago
Li, F., Fu, J., Fan, L., Lu, S., Zhang, H., Wang, X., Liu, Z."Overexpression of circAtp9b in ulcerative colitis is induced by lipopolysaccharides and upregulates PTEN to promote the apoptosis of colonic epithelial cells". Experimental and Therapeutic Medicine 22, no. 6 (2021): 1404. https://doi.org/10.3892/etm.2021.10840
Copy and paste a formatted citation
x
Spandidos Publications style
Li F, Fu J, Fan L, Lu S, Zhang H, Wang X and Liu Z: Overexpression of circAtp9b in ulcerative colitis is induced by lipopolysaccharides and upregulates PTEN to promote the apoptosis of colonic epithelial cells. Exp Ther Med 22: 1404, 2021.
APA
Li, F., Fu, J., Fan, L., Lu, S., Zhang, H., Wang, X., & Liu, Z. (2021). Overexpression of circAtp9b in ulcerative colitis is induced by lipopolysaccharides and upregulates PTEN to promote the apoptosis of colonic epithelial cells. Experimental and Therapeutic Medicine, 22, 1404. https://doi.org/10.3892/etm.2021.10840
MLA
Li, F., Fu, J., Fan, L., Lu, S., Zhang, H., Wang, X., Liu, Z."Overexpression of circAtp9b in ulcerative colitis is induced by lipopolysaccharides and upregulates PTEN to promote the apoptosis of colonic epithelial cells". Experimental and Therapeutic Medicine 22.6 (2021): 1404.
Chicago
Li, F., Fu, J., Fan, L., Lu, S., Zhang, H., Wang, X., Liu, Z."Overexpression of circAtp9b in ulcerative colitis is induced by lipopolysaccharides and upregulates PTEN to promote the apoptosis of colonic epithelial cells". Experimental and Therapeutic Medicine 22, no. 6 (2021): 1404. https://doi.org/10.3892/etm.2021.10840
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