Evidence for various 20q status using allelotyping, CGH arrays, and quantitative PCR in distal CIN colon cancers.

Abstract excerpt

The genomic aberration profile of chromosome 20q in distal CIN colon carcinomas was analysed using allelotyping and CGH arrays. Allelotyping revealed carcinomas with allelic imbalance along the full long arm, and carcinomas with fully non-aberrant 20q. Oligonucleotide-based CGH showed that among the carcinomas without allelic imbalance, 47% had in fact a gain. In this subgroup, quantitative PCR for the TOPI gene...

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