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SGLT2 promotes cardiac fibrosis following myocardial infarction and is regulated by miR‑141

  • Authors:
    • Gang Li
    • Congchun Zhao
    • Shanhua Fang
  • View Affiliations / Copyright

    Affiliations: Department of Geriatrics, The Second Affiliated Hospital of Wannan Medical College, Wuhu, Anhui 241000, P.R. China
    Copyright: © Li et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 715
    |
    Published online on: May 3, 2021
       https://doi.org/10.3892/etm.2021.10147
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Abstract

Cardiac fibrosis is a primary event during myocardial infarction (MI) progression, which impairs cardiac function. The present study aimed to investigate the effect of SGLT2 on cardiac fibrosis following MI. To validate the role of SGLT2 in the regulation of cardiac fibrosis in vivo, an MI rat model was established. Echocardiography was performed to determine cardiac function at 4 weeks post‑MI. MI model rats were transfected with short hairpin RNA (sh)‑SGLT2 or sh‑negative control lentiviruses to investigate the effect of SGLT2 on rat heart function post‑MI. Subsequently, the effects of SGLT2 on the cardiac fibrosis of infarcted hearts were assessed by performing Masson's trichrome staining. To further clarify the effect of SGLT2 on cardiac fibroblast proliferation, TGFβ was used to stimulate primary cardiac fibroblasts in vitro. The results demonstrated that SGLT2 served a key role in cardiac fibrosis. SGLT2 expression levels in infarct tissues were significantly increased at week 1 post‑MI compared with the sham group. Compared with the control group, SGLT2 knockdown attenuated cardiac fibrosis by inhibiting the expression of collagen I and collagen III in cardiac fibroblasts in vitro and in vivo. Furthermore, the results indicated that SGLT2 expression was modulated by miR‑141 in cardiac fibroblasts. In summary, the present study indicated that upregulated SGLT2 expression in cardiac fibrosis following MI was regulated by miR‑141 and SGLT2 that knockdown reduced cardiac fibrosis and improved cardiac function after MI.
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Copy and paste a formatted citation
Spandidos Publications style
Li G, Zhao C and Fang S: SGLT2 promotes cardiac fibrosis following myocardial infarction and is regulated by miR‑141. Exp Ther Med 22: 715, 2021.
APA
Li, G., Zhao, C., & Fang, S. (2021). SGLT2 promotes cardiac fibrosis following myocardial infarction and is regulated by miR‑141. Experimental and Therapeutic Medicine, 22, 715. https://doi.org/10.3892/etm.2021.10147
MLA
Li, G., Zhao, C., Fang, S."SGLT2 promotes cardiac fibrosis following myocardial infarction and is regulated by miR‑141". Experimental and Therapeutic Medicine 22.1 (2021): 715.
Chicago
Li, G., Zhao, C., Fang, S."SGLT2 promotes cardiac fibrosis following myocardial infarction and is regulated by miR‑141". Experimental and Therapeutic Medicine 22, no. 1 (2021): 715. https://doi.org/10.3892/etm.2021.10147
Copy and paste a formatted citation
x
Spandidos Publications style
Li G, Zhao C and Fang S: SGLT2 promotes cardiac fibrosis following myocardial infarction and is regulated by miR‑141. Exp Ther Med 22: 715, 2021.
APA
Li, G., Zhao, C., & Fang, S. (2021). SGLT2 promotes cardiac fibrosis following myocardial infarction and is regulated by miR‑141. Experimental and Therapeutic Medicine, 22, 715. https://doi.org/10.3892/etm.2021.10147
MLA
Li, G., Zhao, C., Fang, S."SGLT2 promotes cardiac fibrosis following myocardial infarction and is regulated by miR‑141". Experimental and Therapeutic Medicine 22.1 (2021): 715.
Chicago
Li, G., Zhao, C., Fang, S."SGLT2 promotes cardiac fibrosis following myocardial infarction and is regulated by miR‑141". Experimental and Therapeutic Medicine 22, no. 1 (2021): 715. https://doi.org/10.3892/etm.2021.10147
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