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Original Research Article | OPEN ACCESS

Long intergenic non-protein coding RNA 00174 promotes cardiac hypertrophy by targeting miR-150-5p

Huan-wei Zhuang1, Hong-du Fu1,2,5, Shutang Bai1, Li-ming Liang1, Hua Ou-Yang1, Liang Zhang2

1Department of Cardiothoracic Surgery, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, 570208, China; 2Department of Thoracic Surgery, The seventh Affiliated Hospital, Sun Yat-sen University, ShenZhen, 518107, China.

For correspondence:-  Liang Zhang   Email: uug68952@126.com   Tel:+8617798461376

Accepted: 2 May 2020        Published: 30 November 2020

Citation: Zhuang H, Fu H, Bai S, Liang L, Ou-Yang H, Zhang L. Long intergenic non-protein coding RNA 00174 promotes cardiac hypertrophy by targeting miR-150-5p. Trop J Pharm Res 2020; 19(11):2349-2355 doi: 10.4314/tjpr.v19i11.15

© 2020 The authors.
This is an Open Access article that uses a funding model which does not charge readers or their institutions for access and distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0) and the Budapest Open Access Initiative (http://www.budapestopenaccessinitiative.org/read), which permit unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited..

Abstract

Purpose: miR-150-5p is associated with several diseases but its relation with cardiac hypertrophy (CH) is yet to be unveiled. However, long intergenic non-protein coding RNA 174 (LINC00174) is implicated in CH. The purpose of this study was to investigate the roles of LINC00174 and miR-150-5p in relation to CH progression.
Methods: A mechanical cyclic stretch was applied to create 4 groups of H9 cardiomyocytes: 15 % 7, 15, 24 and 48 hr stretches, as well as unstretched control. Transfection method was used to up-regulate expression levels of LINC00174 and miR-150-5p in H9 cardiomyocytes. RT-qPCR and Western blot were used to determine the effect of LINC00174 on mRNA expression levels of miR-150-5p, proliferation and apoptosis biomarkers. Cell proliferation was determined by CCK-8 assay and the target gene of LINC00174 was detected by luciferase reporter assay.
Results: expression level of LINC00174 was high in H9 stretched cardiomyocytes. When overexpressed, it enhanced the mRNA expression of proliferation biomarkers and down-regulated apoptosis biomarkers. More so, miR-150-5p was down-regulated in H9 stretched cardiomyocytes and it was a direct target of LINC00174. Furthermore, miR-1505p restoration reversed the effects of LINC00174 overexpression on proliferation and apoptosis biomarkers.
Conclusion: LINC00174 and miR-150-5p may be novel biomarkers for early diagnosis of CH.

Keywords: Cardiac hypertrophy, protein expression, LINC00174, miR-150-5p, restoration

Impact Factor
Thompson Reuters (ISI): 0.6 (2023)
H-5 index (Google Scholar): 49 (2023)

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