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nude mouse
A nude mouse is a laboratory mouse from a strain with a genetic mutation that causes a deteriorated or absent thymus, resulting in an inhibited immune system due to a greatly reduced number of T cells. The phenotype, or main outward appearance of the mouse is a lack of body hair, which gives it the "nude" nickname. The nude mouse is valuable to research because it can receive many different types of tissue and tumor grafts, as it mounts no rejection response. These xenografts are commonly used in research to test new methods of imaging and treating tumors. The genetic basis of the nude mouse mutation is a disruption of the FOXN1 gene.
==Nomenclature==
The nomenclature for the nude mouse has changed several times since their discovery. Originally they were described as ''nu'' and this was updated to ''Hfh11nu'' when the mutated gene was identified as a mutation in the HNF-3/forkhead homolog 11 gene. Then in 2000 the gene responsible for the mutation was identified as a member of the Fox gene family and the nomenclature was updated to ''Foxn1nu''.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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