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Review

Regulatory microRNAs in Brown, Brite and White Adipose Tissue

1
Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals Coventry and Warwickshire NHS Trust, Coventry CV2 2DX, UK
2
Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK
3
Aston Medical Research Institute, Aston Medical School, College of Health and Life Sciences, Aston University, Birmingham B4 7ET, UK
4
School of Biosciences, College of Health and Life Sciences, Aston University, Birmingham B4 7ET, UK
5
Centre of Applied Biological & Exercise Sciences, Faculty of Health & Life Sciences, Coventry University, Coventry CV1 5FB, UK
*
Author to whom correspondence should be addressed.
Joint senior authors; contributed equally to the manuscript.
Cells 2020, 9(11), 2489; https://doi.org/10.3390/cells9112489
Received: 30 September 2020 / Revised: 2 November 2020 / Accepted: 13 November 2020 / Published: 16 November 2020
(This article belongs to the Special Issue Molecular Mechanisms in Metabolic Disease)
MicroRNAs (miRNAs) constitute a class of short noncoding RNAs which regulate gene expression by targeting messenger RNA, inducing translational repression and messenger RNA degradation. This regulation of gene expression by miRNAs in adipose tissue (AT) can impact on the regulation of metabolism and energy homeostasis, particularly considering the different types of adipocytes which exist in mammals, i.e., white adipocytes (white AT; WAT), brown adipocytes (brown AT; BAT), and inducible brown adipocytes in WAT (beige or brite or brown-in-white adipocytes). Indeed, an increasing number of miRNAs has been identified to regulate key signaling pathways of adipogenesis in BAT, brite AT, and WAT by acting on transcription factors that promote or inhibit adipocyte differentiation. For example, MiR-328, MiR-378, MiR-30b/c, MiR-455, MiR-32, and MiR-193b-365 activate brown adipogenesis, whereas MiR-34a, MiR-133, MiR-155, and MiR-27b are brown adipogenesis inhibitors. Given that WAT mainly stores energy as lipids, whilst BAT mainly dissipates energy as heat, clarifying the effects of miRNAs in different types of AT has recently attracted significant research interest, aiming to also develop novel miRNA-based therapies against obesity, diabetes, and other obesity-related diseases. Therefore, this review presents an up-to-date comprehensive overview of the role of key regulatory miRNAs in BAT, brite AT, and WAT. View Full-Text
Keywords: adipose tissue; BAT; WAT; brite; beige; adipocytes; micro-RNA; metabolism; energy homeostasis; obesity; diabetes adipose tissue; BAT; WAT; brite; beige; adipocytes; micro-RNA; metabolism; energy homeostasis; obesity; diabetes
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MDPI and ACS Style

Gharanei, S.; Shabir, K.; Brown, J.E.; Weickert, M.O.; Barber, T.M.; Kyrou, I.; Randeva, H.S. Regulatory microRNAs in Brown, Brite and White Adipose Tissue. Cells 2020, 9, 2489. https://doi.org/10.3390/cells9112489

AMA Style

Gharanei S, Shabir K, Brown JE, Weickert MO, Barber TM, Kyrou I, Randeva HS. Regulatory microRNAs in Brown, Brite and White Adipose Tissue. Cells. 2020; 9(11):2489. https://doi.org/10.3390/cells9112489

Chicago/Turabian Style

Gharanei, Seley, Kiran Shabir, James E. Brown, Martin O. Weickert, Thomas M. Barber, Ioannis Kyrou, and Harpal S. Randeva 2020. "Regulatory microRNAs in Brown, Brite and White Adipose Tissue" Cells 9, no. 11: 2489. https://doi.org/10.3390/cells9112489

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