Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:P56851 (epididymal)
 11,273 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Obesity occurs when excess energy accumulates in white adipose tissue (WAT), whereas brown adipose tissue (BAT), specialized for energy expenditure through thermogenesis, potently counteracts obesity. Factors that induce brown adipocyte commitment and energy expenditure would be a promising defence against adiposity. Here, we show that Lgr4 homozygous mutant (Lgr4(m/m)) mice show reduced adiposity and resist dietary and leptin mutant-induced obesity with improved glucose metabolism. Lgr4(m/m) mice show a striking increase in energy expenditure, and exhibit brown-like adipocytes in WAT depots with higher expression of BAT and beige cell markers. Furthermore, Lgr4 ablation potentiates brown adipocyte differentiation from the stromal vascular fraction of epididymal WAT, partially through retinoblastoma 1 gene (Rb1) reduction. A functional low-frequency human LGR4 variant (A750T) has been associated with body mass index in a Chinese obese-versus-control study. Our results identify an important role for LGR4 in energy balance and body weight control through regulating the white-to-brown fat transition.
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PMID:Ablation of LGR4 promotes energy expenditure by driving white-to-brown fat switch. 2421 90