PUBLICATION

miR-27a/b is a posttranscriptional regulator of Gpr126 (Adgrg6)

Authors
Musa, G., Srivastava, S., Petzold, J., Cazorla-Vázquez, S., Engel, F.B.
ID
ZDB-PUB-191011-18
Date
2019
Source
Annals of the New York Academy of Sciences   1456(1): 109-121 (Journal)
Registered Authors
Keywords
adgrg6, miR-27a, miR-27b, microRNA, trabeculation, zebrafish
MeSH Terms
  • Animals
  • HEK293 Cells
  • Humans
  • Mice
  • MicroRNAs/physiology*
  • RNA Processing, Post-Transcriptional*
  • Rats
  • Receptors, G-Protein-Coupled/genetics*
PubMed
31596512 Full text @ Ann N Y Acad Sci
Abstract
Gpr126 (Adgrg6), a member of the adhesion G protein-coupled receptor family, has been associated with a variety of human diseases. Yet, despite its clinical importance, the mechanisms regulating Gpr126 expression are poorly understood. Here, we aimed at identifying upstream regulatory mechanisms of Gpr126 expression utilizing the heart as model organ in which Gpr126 regulates trabeculation. Here, we focused on possible regulation of Gpr126 regulation by microRNAs, which have emerged as key players in regulating development, have a critical role in disease progression, and might serve as putative therapeutic targets. In silico analyses identified one conserved binding site in the 3' UTR of Gpr126 for microRNA 27a and 27b (miR-27a/b). In addition, miR-27a/b and Gpr126 expression were differentially expressed during rat heart development. A regulatory role of miR-27a/b in controlling Gpr126 expression was substantiated by reduced Gpr126 mRNA levels upon ectopic expression of miR-27a/b in HEK293T cells and miR-27b in zebrafish embryos. Regulation of Gpr126 expression by direct binding of miR-27a/b to the 3' UTR of Gpr126 was verified by luciferase reporter assays in HEK293T cells. Finally, the modulation of gpr126 expression in zebrafish by injection of either miR-27b or miR-27b inhibitor in single cell-stage embryos resulted in hypo- or hypertrabeculation, respectively. Collectively, the data indicate that Gpr126 expression is regulated by miR-27a/b.
Genes / Markers
Figures
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Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping