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Researchers discover genes involved in colorectal cancer
Date:11/6/2011

says Dr Winton, senior author from the Cancer Research UK Cambridge Research Institute. "It is becoming increasingly clear that cancers are driven by mutations in disparate collections of genes and it is essential that we tease apart the important changes."

Current thinking is that perhaps around 50 major drivers are mutated in any one cancer cell, but the number and identity of all of the cancer drivers, and how many drivers are found in each type of cancer, is largely unknown. By performing screens for cancer genes in the mouse and by then comparing them to data from human tumours the team identified a rich catalogue of new candidate genes helping to refine the genes that genetic pathways that drive bowel cancer development.

"At its heart, cancer is a disease driven by faulty genes," says Dr Lesley Walker, director of cancer information at Cancer Research UK. "Research suggests that each cancer cell has a number of 'driver' faults that make them grow out of control, as well as 'passenger' faults that they pick up as the disease develops. This technique is helping us to tease out the key drivers of bowel cancer, laying the foundations for more effective, targeted treatments for the disease in the future."

The research complements studies by The Cancer Genome Atlas and the International Cancer Genome Consortium, which are cataloguing the mutations responsible for cancer development using next generation DNA sequencing.
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Contact: Don Powell
press.office@sanger.ac.uk
44-012-234-96928
Wellcome Trust Sanger Institute
Source:Eurekalert

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