Significant genetic differences exist between tumors of the right and left side of the colon, according to data presented today at the 94th Annual Meeting of the American Association for Cancer Research (AACR), and these distinctions should be considered for future research and treatment.
"With emerging treatments directed toward specific molecular targets, there should be special emphasis on such an important differentiation," said Sanne Olesen, M.Sc. of biology, Aarhus University Hospital, Denmark, and lead investigator of the study conducted by scientists from Denmark and Finland. "Hopefully with this new understanding of the differences that exist in the colon, we can more efficiently treat cancer patients."
In the study, approximately 6,800 known genes were monitored for activity. Twenty single samples of normal colonic mucosa were compared to 25 single cancerous samples from both the left and right sides of the colon. Findings were validated by semi-quantitative, RealTime-PCR and immunohistochemistry, or observations of clinical reactions to the immune system.
Warren Froelich | EurekAlert!
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