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Genome-wide association studies have identified SNPs within FTO, the human fat mass and obesity-associated gene, that are strongly associated with obesity. Individuals homozygous for the at-risk rs9939609 A allele weigh, on average, ~3 kg more than individuals with the low-risk T allele. Mice that lack FTO function and/or Fto expression display increased energy expenditure and a lean phenotype. We show here that ubiquitous overexpression of Fto leads to a dose-dependent increase in body and fat mass, irrespective of whether mice are fed a standard or a high-fat diet. Our results suggest that increased body mass results primarily from increased food intake. Mice with increased Fto expression on a high-fat diet develop glucose intolerance. This study provides the first direct evidence that increased Fto expression causes obesity in mice.
Pubmed ID: 21076408
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Database of validated Standard Operating Procedures (SOPs) for screens to determine the phenotype of a mouse, developed by the EUMORPHIA consortium. The SOP's cover all of the main body systems including: clinical chemistry, hormonal and metabolic systems, cardiovascular, allergy and infection, renal function, sensory function, neurological and behavioral function, cancer, bone and cartilage, and respiratory function. In addition, there are generic SOPs in histology, necropsy, pathology and gene expression. EMPReSS is a platform of individual tests. These can be performed as individual tests or grouped together in sequences, recommended in the EMPReSS database, to give more information on particular phenotype. Quick List of Current Pipelines: * EUMODIC Pipeline 1 * EUMODIC Pipeline 2 * GMC Pipeline * MGP Pipeline * Additional Tests * EUMODIC Pipeline 3
View all literature mentionsMus musculus with name C57BL/6J from IMSR.
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