And though these weird stock photos were primarily made to be sold, it’s impossible to think anyone would choose these odd pictures even if they were given for free. Fogh, J Giovanella, B.C.There’s just something about these strange photos that makes them so distinguishable and often laughable. The Nude Mouse in Experimental and Clinical Research (Vol.2).The Nude Mouse in Experimental and Clinical Research (Vol.1).In controlled, germ free environments and with antibiotic treatments found in many laboratories that routinely use nude mice, they can live almost as long as normal mice (18 months to two years). The life span of nude mice is normally 6 months to a year. Since nude females have underdeveloped mammary glands and are unable to effectively nurse their young, nude males are bred with heterozygous females. ) Mice with a targeted deletion in the FOXN1 ("knockout" mice) also show the "nude" phenotype. (Humans with mutations in FOXN1 also are athymic and immune deficient. Nude mice have a spontaneous deletion in the FOXN1 gene. For these reasons, nude mice are less popular in research today. In addition, knockout mice with more complete defects in the immune system have been constructed (e.g. Most strains of nude mice are slightly "leaky" and do have a few T cells, especially as they age. Moreover, the absence of functioning T cells prevents nude mice from rejecting not only allografts (grafts of tissue from other mice) but also xenografts (grafts of tissue from another species). graft rejection (requires both CD4+ and CD8+ T cells)īecause of the above features, nude mice have served in the laboratory to gain insights into the immune system, leukemia, solid tumors, AIDS and other forms of immune deficiency as well as leprosy.
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