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An agouti dog, also called wolf sable. In dogs, the agouti gene is associated with various coat colors and patterns. [10]The alleles at the A locus are related to the production of agouti-signaling protein (ASIP) and determine whether an animal expresses an agouti appearance and, by controlling the distribution of pigment in individual hairs, what type of agouti.
Agouti-signaling protein is a protein that in humans is encoded by the ASIP gene. [5] [6] It is responsible for the distribution of melanin pigment in mammals.[7] [8] Agouti interacts with the melanocortin 1 receptor to determine whether the melanocyte (pigment cell) produces phaeomelanin (a red to yellow pigment), or eumelanin (a brown to black pigment). [9]
The agouti gene in mice is largely responsible for determining coat colour. The wild-type allele produces a blend of yellow and black pigmentation in each hair of the mouse. This yellow and black blend may be referred to as 'agouti' in colour. [3] One of the mutant alleles of the agouti gene
Immunogenicity is a central aspect of vaccine development. [1] Unwanted immunogenicity is an immune response by an organism against a therapeutic antigen. This reaction leads to production of anti-drug-antibodies (ADAs), inactivating the therapeutic effects of the treatment and potentially inducing adverse effects. [2]
The above is an example of the “agouti” gene locus, whereby the insertion of a transposable element upstream to the Agouti gene is hypermethylated from the supplementation and causes a change in the mice's coat color. Diets containing higher carbohydrate and fat content attempt to mimic typical Western-style diets may also be used in ...
Mechanisms underlying the cause of reactogenicity symptoms. In clinical trials, reactogenicity is the capacity of a vaccine to produce common, "expected" adverse reactions, especially excessive immunological responses and associated signs and symptoms, including fever and sore arm at the injection site.
Agouti Mice These mice are genetically identical despite looking phenotypically different. The mouse on the left's mother was fed Bisphenol A (BPA) with a normal mouse diet and the mouse on the right's mother was fed BPA with a methyl-rich diet. The left mouse is yellow and obese, while the right mouse is brown and healthy.
This system is a principal nexus of body weight regulation through its role in appetite and energy expenditure via leptin, ghrelin and agouti-related protein. [ 3 ] [ 4 ] It receives inputs from hormones , nutrients and afferent neural inputs, and is unique in its composition of fibers which express both agonists and antagonists of melanocortin ...