PMID: 9417296Jan 7, 1998Paper

Heredity in renal and prostatic neoplasia

Archivio italiano di urologia, andrologia : organo ufficiale [di] Società italiana di ecografia urologica e nefrologica
T Prayer GalettiT Patarnello

Abstract

There is an ever growing report of data supporting the evidence that accumulated genetic changes underlie the development of neoplasia. The paradigma of this multistep process is colon cancer were cancer onset is associated, over decades, with at least seven genetic events. The number of genetic alterations increases moving from adenomatous lesions to colon cancer and, although the genetic alterations occur according to a preferred sequence, the total accumulation of changes rather than their sequential order is responsible of tumor biological behavior. It is noteworthy that, at least for this neoplasia, carcinogenesis appears to arise as a result of the mutational activation of oncogenes coupled with the mutational inactivation of tumor suppressor genes. In some cases mutant suppressor genes appear to exert a phenotypic effect even when present in the heterozygous state thus been non "recessive" at the cellular level. The general features of this model may apply also to renal cell cancer (RCC) and prostate cancer (CaP). Extensive literature exists on the cytogenetic and molecular findings in RCC. Only 2% of RCC are familiar, but molecular genetic studies of these cancers have provided important informations on RCC pathogenesis...Continue Reading

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