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International team completes systematic, genomic study of cervical cancer
Date:12/25/2013

Researchers from the Boston area, Mexico, and Norway have completed a comprehensive genomic analysis of cervical cancer in two patient populations. The study identified recurrent genetic mutations not previously found in cervical cancer, including at least one for which targeted treatments have been approved for other forms of cancer. The findings also shed light on the role human papillomavirus (HPV) plays in the development of cervical cancer.

The study, which appears online in Nature, addresses a public health concern of global significance: cervical cancer is the second most common cancer in women and is responsible for approximately 10 percent of cancer deaths in women particularly in developing countries where screening methods are not readily accessible. Almost all cases of the disease are caused by exposure to HPV and it is expected that vaccination efforts targeting HPV will decrease cervical cancer cases over time. In the meantime, however, the disease remains a significant threat to women's health.

"Cancer is a disease that affects the whole world, and one question that always arises is: is a given cancer type similar or different across populations?" explained Matthew Meyerson, one of the paper's co-senior authors. Meyerson is a professor of pathology and medical oncology at Dana-Farber Cancer Institute and a senior associate member of the Broad Institute. "While we don't have the complete answer yet in this case, what we are seeing is that, in two different populations, the causes of cervical cancer are similar and, fundamentally in both cases, it comes down to HPV-genome interaction."

To investigate the genomic underpinnings of the disease, the team performed whole exome sequencing, which examines the genetic code in the protein-coding regions of the genome, on samples from 115 cervical cancer patients from Norway and Mexico. In some cases, the researchers also conducted whole genome sequencing (analyzing the g
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Contact: Nicole Davis
ndavis@broadinstitute.org
617-714-7152
Broad Institute of MIT and Harvard
Source:Eurekalert

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