Cancer

Retroviral RNA may play a part in liver cancer

An international group led by RIKEN in Japan and INSERM in France have found that retroviral long-terminal-repeat (LTR) promoters—a type of repetitive element that are widely distributed in the human genome—are highly activated in hepatocellular carcinomas, the most common type of liver cancer. Intriguingly, these areas—which are particularly activated in HCCs associated with viral hepatitis, are not normally activated in the liver but are in reproductive tissues such as testis and placenta. The study, published in Genome Research, suggests that the activation of LTR promoters might contribute to the development of cancer in the liver.

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Health

Place could impact health disparities more than race

African American and white men who live in racially integrated communities and who have comparable incomes have far fewer differences when it comes to behaviors that contribute to poor health—such as physical inactivity, smoking and drinking—compared to African American and white men overall in the U.S., according to a new study from the Johns Hopkins Bloomberg School of Public Health.

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