Height is a complex genetic trait that involves multiple genetic loci. Recently, 44 loci associated with height were identified in Caucasian individuals by large-scale genome-wide association (GWA) studies. To identify genetic variants influencing height in the Korean population, we analyzed GWA data from 8842 Korean individuals and identified 15 genomic regions with one or more sequence variants associated with height (Po1Â10 À5 ). Of these, eight loci were newly identified in Koreans (SUPT3H, EXT1, FREM1, PALM2-AKAP2, NUP37-PMCH, IGF1, KRT20 and ANKRD60). The 15 significant loci account for approximately 1.0% of height variation, with a 3.7-cm difference between individuals with p8 height-increasing alleles (5.1%) and X19 height-increasing alleles (4.2%). We also examined the associations between height loci and idiopathic short stature (ISS). Five loci (SPAG17, KBTBD8, HHIP, HIST1H1D and ACAN) were significantly associated with ISS (uncorrected Po0.05), indicating that height-associated genes in the adult population are involved in extreme cases of short stature in children. This study validates previous reports of loci associated with human height and identified novel candidate regions involved in human growth and development.
This study examined the effects of syringic acid (SA) on obese diet-induced hepatic dysfunction. Mice were fed high-fat diet (HFD) with or without SA (0.05%, wt/wt) for 16 weeks. SA reduced the body weight, visceral fat mass, serum levels of leptin, TNFα, IFNγ, IL-6 and MCP-1, insulin resistance, hepatic lipid content, droplets and early fibrosis, whereas it elevated the circulation of adiponectin. SA down-regulated lipogenic genes (Cidea, Pparγ, Srebp-1c, Srebp-2, Hmgcr, Fasn) and inflammatory genes (Tlr4, Myd88, NF-κB, Tnfα, Il6), whereas it up-regulated fatty acid oxidation genes (Pparα, Acsl, Cpt1, Cpt2) in the liver. SA also decreased hepatic lipogenic enzyme activities and elevated fatty acid oxidation enzyme activities relative to the HFD group. These findings suggested that dietary SA possesses anti-obesity, anti-inflammatory and anti-steatotic effects via the regulation of lipid metabolic and inflammatory genes. SA is likely to be a new natural therapeutic agent for obesity or non-alcoholic liver disease.
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