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How does aging affect cancer? Einstein awarded $2.8m grant to answer NCI 'provocative question'
Date:10/21/2013

October 21, 2013 -- (BRONX, NY) -- Gene mutations increase as people age, which helps explain why cancer usually strikes older people. But what other consequences of aging promote cancer development or protect against it?

This is one of the 24 "Provocative Questions" that the National Cancer Institute (NCI) wants researchers to address. Now, a team of scientists at Albert Einstein College of Medicine of Yeshiva University has received a $2.8 million grant from NCI to investigate this question. The researchers will examine the role of epigenetics in causing lung cancer in people of different ages.

Epigenetic changes involve chemical "tags" that turn genes on or off without affecting the genes' underlying DNA sequences. As with gene mutations, epigenetic tags accumulate with age, and their presence on genes can be influenced by environmental factors such as what you eat and the quality of the air you breathe. Scientists now recognize that aberrant epigenetic tagging plays a major role in causing many types of cancer, but just how epigenetic changes influence cancer risk still isn't well understood.

The grant award will allow Einstein researchers to focus on a vexing question related to smoking risk.

"Why do some smokers get lung cancer in their 40s while others who smoke their whole lives are protected until very old age?" asked Jan Vijg, Ph.D., professor and chair of genetics and the Lola and Saul Kramer Chair in Molecular Genetics at Einstein and co-principle investigator on the grant. "We will look at how a person's epigenome the entire set of chemical tags that decorate their genes modulates the effect of aging on lung cancer risk."

Dr. Vijg, along with co-principal investigators

Contact: Kim Newman
sciencenews@einstein.yu.edu
718-430-3101
Albert Einstein College of Medicine
Source:Eurekalert

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