The glypican 3-hosted murine mir717 gene: sequence conservation, seed region polymorphisms and putative targets

Area of Science:

• Genomics
• Molecular Biology
• Bioinformatics

Background:

• MicroRNA (miRNA) genes play crucial roles in gene regulation.
• The glypican 3 (Gpc3) gene is associated with body mass.
• Conserved miRNA genes offer insights into fundamental biological processes.

Purpose of the Study:

• To investigate the conservation and genetic variation of the Mir717 gene across mammalian species.
• To explore the potential role of Mir717 and its associated single nucleotide polymorphism (SNP) in obesity regulation.
• To identify genes potentially targeted by Mir717 and their association with fat-related traits.

Main Methods:

• Bioinformatic analysis of Mir717 gene conservation across 26 mammalian species.
• Identification of polymorphic sites, including SNPs, within the mature seed region of Mir717 in mice.
• Analysis of potential Mir717 target genes and their association with obesity and related phenotypes.

Main Results:

• Mir717 is conserved in 26 mammalian species and harbors polymorphic sites in mice.
• A unique four-layer genomic overlap involving a quantitative trait locus (QTL), Gpc3 gene, Mir717, and a SNP was identified in a lean mouse strain.
• 91 genes potentially targeted by Mir717 were associated with obesity and related phenotypes.

Conclusions:

• The identified SNP in Mir717 provides a basis for investigating its causal link to obesity regulation.
• Bioinformatic analysis enables functional annotation of Mir717 orthologs for studying fat-related traits across species.
• Mir717 represents a potential target for understanding and managing obesity.