New Genetic Anomalies Connected To Breast Cancer In African American Families

New Genetic Anomalies Connected To Breast Cancer In African American Families
black woman breast cancerHeather Ochs-Balcom, a researcher at the University of Buffalo, recently led the “Jewels in our Genes” study that cleared previously unknown sequences of DNA that African American family members who develop breast cancer share in common. Ochs-Balcom, who works as a genetic epidemiologist, said in a press release: “The discovery of these regions supports our hypothesis that there are still undiscovered breast cancer genes that may be unique to African Americans. We can now focus on these specific chromosomes to learn if they house genetic mutations linked to breast cancer." “We also need to determine whether those mutations are found in other racial groups or if they are unique to African Americans. If they are unique, it could explain why young African American women have a higher risk of pre-menopausal breast cancer compared to other groups. Our study used linkage analysis, a powerful tool that helps to detect the chromosomal location of disease genes by examining genetic markers across the entire human genome. Our family-based gene hunt is similar to the groundbreaking study among women with European ancestry done in the early 1990s that led to the discovery of BRCA1 and BRCA2 gene mutations, which greatly increase susceptibility to breast and
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