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Published on: April 21, 2015
Development of the tight-skin phenotype in immune-deficient mice
T D Dodig1, K T Mack, D F Cassarino
1Veterans Affairs Connecticut Healthcare System, Newington, USA.
Objective:
To determine if cutaneous thickening, a major phenotypic feature of the tight-skin (Tsk) mutation, could develop in an immune-deficient mouse.
Methods:
Experimental crosses among different strains of mice were conducted to create mice that were genetically Tsk/+, and that were also homozgyous for a mutation at the Prkdc(scid) locus and thus lacked mature T and B lymphocytes. Skin samples prepared from experimental and control genotypic groups of mice were evaluated for skin thickness.
Results:
The data showed that the Tsk/+ mice developed the Tsk phenotype in the absence of a functional immune system.
Conclusion:
Mature T and B cells are not required for the development of the cutaneous thickening in mice carrying the Tsk mutation.
