RRC ID 11089
Author Varghese J, Lim SF, Cohen SM.
Title Drosophila miR-14 regulates insulin production and metabolism through its target, sugarbabe.
Journal Genes Dev
Abstract Energy homeostasis depends on insulin signaling in metazoans. Insulin levels reflect the nutritional status of the animal to control levels of circulating sugar and regulate storage of resources in the form of glycogen and fat. Over the past several years, evidence has begun to accumulate that insulin production and secretion, as well as cellular responsiveness to insulin, are subject to regulation by microRNAs. Here we present evidence that miR-14 acts in the insulin-producing neurosecretory cells in the adult Drosophila brain to control metabolism. miR-14 acts in these cells through its direct target, sugarbabe. sugarbabe encodes a predicted zinc finger protein that regulates insulin gene expression in the neurosecretory cells. Regulation of sugarbabe levels by nutrients and by miR-14 combines to allow the fly to manage resource mobilization in a nutritionally variable environment.
Volume 24(24)
Pages 2748-53
Published 2010-12-15
DOI 10.1101/gad.1995910
PII 24/24/2748
PMID 21159815
PMC PMC3003191
MeSH Animals Brain / cytology Brain / metabolism Drosophila / genetics Drosophila / metabolism* Drosophila Proteins / physiology* Energy Metabolism Homeostasis Insulin / biosynthesis Insulin / metabolism* MicroRNAs / physiology* Neurosecretion Transcription Factors / physiology* Zinc Fingers
IF 9.527
Times Cited 77
WOS Category GENETICS & HEREDITY DEVELOPMENTAL BIOLOGY CELL BIOLOGY
Resource
Drosophila