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Aberrant methylation within RUNX3 CpG island associated with the nuclear and mitochondrial microsatellite instability in sporadic gastric cancers. Results of a GOIM (Gruppo Oncologico dell'Italia Meridionale) prospective study.

  • Autori: Gargano, G.; Calcara, D.; Corsale, S.; Agnese, V.; Intrivici, C.; Fulfaro, F.; Pantuso, G.; Cajozzo, M.; Morello, V.; Tomasino, R.; Ottini, L.; Colucci, G.; Bazan, V.; Russo, A.
  • Anno di pubblicazione: 2007
  • Tipologia: Articolo in rivista
  • OA Link:


Gastric cancer (GC) development is a multistep process, during which numerous alterations accumulate in nuclear and mitochondrial DNA. A deficiency of repair machinery brings about an accumulation of errors introduced within simple repetitive microsatellite sequences during replication of DNA. Aberrant methylation is related to microsatellite instability (MSI) by the silencing of the hMLH1 gene. The aim of this study is to investigate a possible relationship between the RUNX3 promoter methylation, nuclear microsatellite instability (nMSI) and mitochondrial microsatellite instability (mtMSI), in order to clarify its biological role in GC.