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Review
. 2016 Jun 13;6(3):1279-94.
doi: 10.1002/cphy.c150041.

Regulation of Skeletal Muscle by microRNAs

Gabriela Placoná Diniz  1   2 , Da-Zhi Wang  2   3
Affiliations
Review

Regulation of Skeletal Muscle by microRNAs

Gabriela Placoná Diniz et al. Compr Physiol. .

Abstract

MicroRNAs (miRNAs) are a class of small noncoding RNAs highly conserved across species. miRNAs regulate gene expression posttranscriptionally by base pairing to complementary sequences mainly in the 3'-untranslated region of their target mRNAs to induce mRNA cleavage and translational repression. Thousands of miRNAs have been identified in human and their function has been linked to the regulation of both physiological and pathological processes. The skeletal muscle is the largest human organ responsible for locomotion, posture, and body metabolism. Several conditions such as aging, immobilization, exercise, and diet are associated with alterations in skeletal muscle structure and function. The genetic and molecular pathways that regulate muscle development, function, and regeneration as well as muscular disease have been well established in past decades. In recent years, numerous studies have underlined the importance of miRNAs in the control of skeletal muscle development and function, through its effects on several biological pathways critical for skeletal muscle homeostasis. Furthermore, it has become clear that alteration of the expression of many miRNAs or genetic mutations of miRNA genes is associated with changes on myogenesis and on progression of several skeletal muscle diseases. The present review provides an overview of the current studies and recent progress in elucidating the complex role exerted by miRNAs on skeletal muscle physiology and pathology. © 2016 American Physiological Society. Compr Physiol 6:1279-1294, 2016.

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