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A Gene Called TBC1D16 Responsible for Metastasis of Tumor That Leads to Cancer Deaths

by Dr. Trupti Shirole on June 3, 2015 at 8:16 AM

A Gene Called TBC1D16 Responsible for Metastasis of Tumor That Leads to Cancer Deaths
Metastasis is the spread of cancer cells from their original location to other parts of the body. A new study has found the mechanism of metastasis.

The study headed by Manel Esteller, the director of the Cancer Epigenetics and Biology Program at the Bellvitge Biomedical Research Institute in Barcelona, Spain, was conducted on melanomas, a malignant tumor associated with skin cancer, but the researchers found that this mechanism is also found in colon and breast cancer.
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Esteller said, "Metastasis is responsible for 90% of cancer deaths and understanding the mechanisms responsible for this process is one of the prime objectives of the research."

Researchers compared the genetic material in the primary tumor's cells with the genetic material from metastasized cells in the same patient. Looking for differences, they found that among all patient's genes, there is just one that clearly differs between those two groups. That gene, known as TBC1D16, in the initial tumor is inactive or dormant, while in the metastasized phase it is still active.
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Esteller said, "This gene turns on like a light-bulb to guide metastasis and cause those cells to escape from their birth site. Specifically, what this gene does is to activate two more potent oncogenes, BRAF and EGFR, thus stimulating metastasis. There is already a drug on the market that acts against these oncogenes and another is currently in clinical trials. The next step is to convince pharmaceutical companies to include the TBC1D16 marker in their clinical trials."

The study will be published in the Nature Medicine.

Source: Medindia
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