Sex Differences in MicroRNA Expression and Cardiometabolic Risk Factors in Hispanic Adolescents with Obesity

Overview

Journal J Pediatr

Specialty Pediatrics

Date 2021 Apr 8

PMID 33831442

Citations 11

Authors

Genesio M Karere

Laura A Cox

Andrew C Bishop

Andrew M South

Hossam A Shaltout

Maria-Gisela Mercado-Deane

Suzanne Cuda

Affiliations

Soon will be listed here.

Abstract

Objective: To evaluate sex differences in microRNA (miRNA) expression, anthropometric measures, and cardiometabolic risk factors in Hispanic adolescents with obesity.

Study Design: Cross-sectional study of 68 (60% male) Hispanic adolescents with obesity, aged 13-17 years, recruited from a pediatric weight management clinic. We used small RNA sequencing to identify differentially expressed circulating miRNAs. We used ingenuity pathway analysis and David bioinformatic resource tools to identify target genes for these miRNAs and enriched pathways. We used standard procedures to measure anthropometric and cardiometabolic factors.

Results: We identified 5 miRNAs (miR-24-3p, miR-361-3p, miR-3605-5p, miR-486-5p, and miR-199b-3p) that differed between females and males. miRNA targets-enriched pathways included phosphatidylinositol 3-kinase-protein, 5' AMP-activated protein kinase, insulin resistance, sphingolipid, transforming growth factor-β, adipocyte lipolysis regulation, and oxytocin signaling pathways. In addition, there were sex differences in blood pressure, skeletal muscle mass, lean body mass, and percent body fat.

Conclusions: We have identified sex differences in miRNA expression in Hispanic adolescents relevant to cardiometabolic health. Future studies should focus on sex-specific mechanistic roles of miRNAs on gene pathways associated with obesity pathophysiology to support development of precision cardiometabolic interventions.

Citing Articles

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Elhag D, Al Khodor S J Transl Med. 2023; 21(1):392.

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Potential miRNA biomarkers and therapeutic targets for early atherosclerotic lesions.

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Roy D, Modi A, Ghosh R, Ghosh R, Benito-Leon J Int J Mol Sci. 2022; 23(19).

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