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miR-378a: a new emerging microRNA in metabolism

  • Ivo F. Machado
  • João S. Teodoro
  • Carlos M. Palmeira
  • Anabela P. RoloEmail author
Review
  • 100 Downloads

Abstract

Metabolic diseases, such as type 2 diabetes or obesity, are the consequence of the disruption of the organism’s metabolic pathways. The discovery of small non-coding RNAs—microRNAs (miRNAs)—as post-transcriptional gene regulators opened new doors for the development of novel strategies to combat said diseases. The two strands of miR-378a, miR-378a-3p, and miR-378a-5p are encoded in the Ppargc1b gene and have an active role in the regulation of several metabolic pathways such as mitochondrial metabolism and autophagy. Recent studies recognized miR-378a as an important regulator of energy and glucose homeostasis, highlighting it as a potential target for the improvement of metabolic dysregulation. In the present review, the current knowledge on miR-378a will be discussed with a particular emphasis on its biological functions and mechanisms of action in metabolism, mitochondria, and autophagy.

Keywords

miR-378a Metabolic diseases Mitochondria Metabolism Autophagy 

Notes

Author contributions

IFM wrote the manuscript; JST, CMP, and APR supervised and revised the work. All authors have read and approved the final version of this review.

Funding

This work was financed by the European Regional Development Fund (ERDF), through the Centro 2020 Regional Operational Programme: project CENTRO-01-0145-FEDER-000012-HealthyAging2020, the Portugal 2020-Operational Programme for Competitiveness and Internationalisation, and the Portuguese national funds via FCT–Fundação para a Ciência e a Tecnologia, I.P.: project POCI-01-0145-FEDER-016770, as well as by UID/NEU/04539/2013 (CNC.IBILI Consortium strategic project). JST is a research fellow under the CEEC2017 programme (CEECIND/04400/2017).

Compliance with ethical standards

Conflict of interest

The authors declare that this review has no conflict of interest.

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Authors and Affiliations

  1. 1.Department of Life Sciences, Faculty of Sciences and TechnologyUniversity of CoimbraCoimbraPortugal
  2. 2.CNC, Center for Neuroscience and Cell BiologyUniversity of CoimbraCoimbraPortugal

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