doi: 10.1126/science.2305264.
Mini-mouse: disruption of the pygmy locus in a transgenic insertional mutant
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- PMID: 2305264
- DOI: 10.1126/science.2305264
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Mini-mouse: disruption of the pygmy locus in a transgenic insertional mutant
Science.
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Abstract
A founder transgenic mouse harbored two different integration patterns of a transgene at the same locus, each of which gave rise to a similar autosomal recessive mutation. Mice of the mutant phenotype were of small stature but had normal levels of growth hormone. The disrupted locus was cloned, and a genetic and molecular analysis showed that the insertional mutants were allelic to a spontaneous mutant, pygmy. The mice should be a useful model for the growth hormone-resistant human dwarf syndromes and could lead to a greater understanding of the pathways involved in growth and development.
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