نتایج جستجو برای: coat color melanocortin receptor 1
تعداد نتایج: 3222123 فیلتر نتایج به سال:
Summary Individual variation in opioid sensitivity can have a profound impact on the safety and efficacy of equine veterinary treatments, with ability to adequately manage pain clinical setting currently limited. This review aims explore overlap between biological mechanisms associated metabolism those coat colour horses as has been documented humans, particular focus melanocortin‐1 receptor (M...
The melanocortin 1 receptor is a Gs protein-coupled receptor implicated in melanogenesis regulation. The receptor gene is highly polymorphic, which accounts for the association of several of its single-nucleotide polymorphisms (SNPs) with an increased risk of melanoma. The present study aimed to evaluate the distribution of melanocortin 1 receptor gene variants R151C, R160W, and D294H within th...
Dominant mutations at the mouse Agouti locus lead to ectopic expression of the Agouti gene and exhibit diabetes, obesity, and yellow coat color. Obese yellow mice are hyperinsulinemic and hyperleptinemic, and we hypothesized that Agouti directly induces leptin secretion. Accordingly, we used transgenic mice expressing agouti in adipocytes (under the control of aP2 promoter, aP212) to examine ch...
Hyporesponsive genetic variants of the melanocortin 1 receptor result in pigmentary phenotypes exhibiting light skin and light color hair, including red hair. These variants are common in populations with high rates of multiple sclerosis, while rare in populations with low rates. Alpha-melanocyte stimulating hormone, the major ligand for this receptor, is responsible for phenotype determination...
Coat color in Holstein dairy cattle is primarily controlled by the melanocortin 1 receptor (MC1R) gene, a central determinant of black (eumelanin) vs. red/brown pheomelanin synthesis across animal species. The major MC1R alleles in Holsteins are Dominant Black (MC1RD) and Recessive Red (MC1Re). A novel form of dominant red coat color was first observed in an animal born in 1980. The mutation un...
Coat colour phenotype of Qingyu pig is associated with polymorphisms of melanocortin receptor 1 gene
Dominant mutations at the agouti locus induce several phenotypic changes in the mouse including yellow pigmentation (phaeomelanization) of the coat and adult-onset obesity. Nonpigmentary phenotypic changes associated with the agouti locus are due to ectopic expression of the agouti-signaling protein (ASP), and the pheomelanizing effects on coat color are due to ASP antagonism of alpha-MSH bindi...
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