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  • 1995-1999  (1)
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    ISSN: 1569-8041
    Keywords: chromosomal aberrations ; gene expression ; oncogenes ; pancreatic cancer ; tumor suppressor genes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Aim: The present review summarizes our strategies aimed at identifying and characterizing genetic alterations occuring at the transcriptional and chromosomal level in pancreatic cancer. Methods: To study transcriptional alterations we have used a number of techniques including modified versions of differential hybridizations and cDNA-RDA (representational difference analysis). Comparative genomic hybridization (CGH) was used to study chromosomal aberrations occuring in pancreatic cancer tissues. Results: The study of transcriptional alterations led to the identification of more than 500 genes with differential expression in pancreatic cancer. The sum of these alterations represented the first expression profile characteristic for pancreatic tumors. The CGH analysis allowed the identification of a number of chromosomal regions containing putative tumor suppressor genes or oncogenes. These regions are presently being characterized at the molecular level. In a first approach the myb-oncogene was identified as the relevant oncogene of an amplification on 6q occurring in up to 10% of pancreatic cancer patients. Conclusions: Genes isolated in both approaches represent potential new disease genes for pancreatic cancer and are at present being characterized by individual or serial analysis.
    Type of Medium: Electronic Resource
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