Loss of Apc+ in intestinal adenomas from Min mice
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- PMID: 7954427
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Loss of Apc+ in intestinal adenomas from Min mice
Cancer Res.
.
Abstract
Allelic loss at the Apc locus in spontaneously occurring intestinal adenomas from mice heterozygous for the ApcMin nonsense mutation was analyzed using a site-specific quantitative polymerase chain reaction assay. All 97 of the intestinal adenomas analyzed showed extensive loss of the wild-type Apc (Apc+) allele. Quantitative polymerase chain reaction analysis of loci linked to Apc indicated loss of the chromosome carrying Apc+. Only one copy of the homologue carrying ApcMin remained in the intestinal adenomas. Possible reasons for the difference in the mechanism of Apc+ loss between human and Min mouse intestinal adenomas are discussed.
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