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LINK‑A lncRNA activates HIF1α signaling and inhibits podocyte cell apoptosis in diabetic nephropathy

  • Authors:
    • Jing Yang
    • Lihua Li
    • Shijun Hong
    • Zhu Zhou
    • Wenxing Fan
  • View Affiliations / Copyright

    Affiliations: Department of Nephrology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, P.R. China, Department of Forensic Toxicology, Kunming Medical University, Kunming, Yunnan 650500, P.R. China, College of Forensic Medicine, Kunming Medical University, Kunming, Yunnan 650500, P.R. China
    Copyright: © Yang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 119-124
    |
    Published online on: May 3, 2019
       https://doi.org/10.3892/etm.2019.7542
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Abstract

Previous studies have revealed that long intergenic non‑coding RNA for kinase activation (LINK‑A), a long non‑coding RNA (lncRNA) promotes disease progression in triple‑negative breast cancer by activating hypoxia‑inducible factor 1α (HIF1α). However, the activation of HIF1α has also been demonstrated to improve diabetic nephropathy. It is therefore reasonable to expect that LINK‑A may also participate in diabetic nephropathy. In the current study, the expression of LINK‑A lncRNA and HIF1α was determined in renal biopsies of patients with diabetic nephropathy. LINK‑A lncRNA and HIF1α expression levels were detected by reverse transcription quantitative (RT‑q) PCR and ELISA in diabetic patients without complications and used as controls. Correlations between LINK‑A lncRNA and HIF1α expression were analyzed using Pearson's correlation coefficient. Effects of lncRNA and HIF1α overexpression on LINK‑A lncRNA expression, HIF1α expression and cell apoptosis were assessed using RT‑qPCR, western blotting and a cell apoptosis assay. The results revealed that LINK‑A lncRNA and HIF1α were downregulated in patients with diabetic nephropathy, as well as in diabetic patients without complications. The lowest expression of LINK‑A lncRNA and HIF1α were observed in healthy controls. A positive correlation was identified between LINK‑A lncRNA and HIF1α in both patients groups, but not in the control group. LINK‑A lncRNA and HIF1α overexpression inhibited the apoptosis of mouse podocyte cells under a high glucose treatment. LINK‑A lncRNA overexpression also promoted HIF1α expression in mouse podocyte cells, while HIF1α overexpression did not significantly affect LINK‑A lncRNA expression. In conclusion, LINK‑A lncRNA may activate HIF1α signaling resulting in the improvement of diabetic nephropathy treatment.
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Copy and paste a formatted citation
Spandidos Publications style
Yang J, Li L, Hong S, Zhou Z and Fan W: LINK‑A lncRNA activates HIF1α signaling and inhibits podocyte cell apoptosis in diabetic nephropathy. Exp Ther Med 18: 119-124, 2019.
APA
Yang, J., Li, L., Hong, S., Zhou, Z., & Fan, W. (2019). LINK‑A lncRNA activates HIF1α signaling and inhibits podocyte cell apoptosis in diabetic nephropathy. Experimental and Therapeutic Medicine, 18, 119-124. https://doi.org/10.3892/etm.2019.7542
MLA
Yang, J., Li, L., Hong, S., Zhou, Z., Fan, W."LINK‑A lncRNA activates HIF1α signaling and inhibits podocyte cell apoptosis in diabetic nephropathy". Experimental and Therapeutic Medicine 18.1 (2019): 119-124.
Chicago
Yang, J., Li, L., Hong, S., Zhou, Z., Fan, W."LINK‑A lncRNA activates HIF1α signaling and inhibits podocyte cell apoptosis in diabetic nephropathy". Experimental and Therapeutic Medicine 18, no. 1 (2019): 119-124. https://doi.org/10.3892/etm.2019.7542
Copy and paste a formatted citation
x
Spandidos Publications style
Yang J, Li L, Hong S, Zhou Z and Fan W: LINK‑A lncRNA activates HIF1α signaling and inhibits podocyte cell apoptosis in diabetic nephropathy. Exp Ther Med 18: 119-124, 2019.
APA
Yang, J., Li, L., Hong, S., Zhou, Z., & Fan, W. (2019). LINK‑A lncRNA activates HIF1α signaling and inhibits podocyte cell apoptosis in diabetic nephropathy. Experimental and Therapeutic Medicine, 18, 119-124. https://doi.org/10.3892/etm.2019.7542
MLA
Yang, J., Li, L., Hong, S., Zhou, Z., Fan, W."LINK‑A lncRNA activates HIF1α signaling and inhibits podocyte cell apoptosis in diabetic nephropathy". Experimental and Therapeutic Medicine 18.1 (2019): 119-124.
Chicago
Yang, J., Li, L., Hong, S., Zhou, Z., Fan, W."LINK‑A lncRNA activates HIF1α signaling and inhibits podocyte cell apoptosis in diabetic nephropathy". Experimental and Therapeutic Medicine 18, no. 1 (2019): 119-124. https://doi.org/10.3892/etm.2019.7542
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