Modifications in GPR21 and GPR82 genes expression as a consequence of metabolic syndrome etiology

Rodrigo Romero-Nava, Noemí García, Karla Aidee Aguayo-Cerón, Fausto Sánchez Muñoz, Fengyang Huang, Enrique Hong, Santiago Villafaña

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Metabolic syndrome (MS) has been related with alterations in expression levels of orphan G protein coupled receptors (GPCRs) such as GPR21 and GPR82, which could be involved in some of the elements that characterizes the metabolic syndrome. The aim of this work was to evaluate changes in GPR21 and GPR82 receptors expression in two models of metabolic syndrome: one genetic (Zucker rats), and the other based on a diet (70% fructose for 9 weeks). GPR21 and GPR82 gene expressions were evaluated in brain, heart, aorta, liver and kidney by RT-qPCR. Rats with a high fructose diet, as well as obese Zucker rats, showed initial stages of pancreatic damage and alterations in some biochemical parameters related to the model consistent with the classification of MS. GPR21 and GPR82 receptors expressed in all tissues. The expression of GPR21 decreased in heart, aorta and kidney, but in liver the expression was different: decreased in diet model and increased in genetic model. In contrast, GPR82 expression depended of tissue and metabolic syndrome model. The results highlight the possible role of GPR21 and GPR82 receptors in the development MS. We conclude that the expression of GPR21 and GPR82 in different tissues is related with MS and depend of the origin of the syndrome, so they could be a therapeutic target for that syndrome.

Original languageEnglish
Pages (from-to)38-44
Number of pages7
JournalJournal of Receptors and Signal Transduction
Volume41
Issue number1
DOIs
StatePublished - 2021

Keywords

  • GPR21
  • GPR82
  • Metabolic syndrome
  • orphan receptors

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