Mutation of a gene called BAP1 has been linked to development of mesothelioma, melanoma, renal carcinoma and other cancers. University of Hawaii Cancer Center researchers discovered members of four families, apparently unrelated and living in different states across the US, shared the identical mutation of BAP1.
This raised two possibilities for the researchers- these four families were related although they did not know it, or researchers had found a hot spot for BAP1 mutations.
‘Members of four families, apparently unrelated and living in different states across the US, have been found to share the identical mutation of BAP1 gene. Researchers anticipate finding many other family members from the family tree who have inherited the mutation.’
AdvertisementIn the findings published in PLOS Genetics, through genetic and genealogical studies by Dr. Michele Carbone, director of the UH Cancer Center's Thoracic Oncology Program and colleagues, it was demonstrated that the family members were related and that they descended from a couple that immigrated to the US from Germany in the early 1700's.
Dr. Carbone said, "For about three years we traveled across the US and the world to find evidence that linked these four families, their ancestors and descendants in a large family tree of about 80,000 people."
The research team found the European ancestors of the couple that immigrated to the US in the 1700s and some of their descendants who are still living in the original home built in the 1400s in Switzerland. The research team anticipates finding many other family members from the family tree who have inherited the mutation.
Dr. Carbone further added, "These descendants can be tested for BAP1 mutations, and if they are found to have inherited the mutation they can be followed for cancer prevention and also for early detection. For some of the cancer types this would be life saving. Moreover, early detection of mesothelioma, and of other cancers that develop in BAP1 carriers are associated with much better survival."
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