I attended the lecture series on Gene Environment
Interaction in Human Cancer Development at JABSOM. Lecturers from across the
country presented on topics from the Impact
of Host Susceptibility Factors on Tobacco Carcinogen Metabolism and Lung Cancer
Risk to the Interaction between
Tobacco Smoking and Genetic Susceptibility on Risk a& Survival of Bladder
Cancer. The presentation that I found particularly appropriate to the field
of epidemiology was presented by NCI’s, Dr. Nathan Rothman. He presented on the
Gene-environment Interactions in Studies of Occupational, Environmental, and
Tobacco-related Bladder Cancer. He really just told an investigative story that
started with identifying a higher OR of bladder cancers in Northern states in
the US. He then went on to explain that at the time they attributed this to
varying NAT2 acetylation rates among people in this region of the country.
However, it was determined that this could not be the sole cause of such an
increased risk. In the end, a multitude of contributing factors from smoking to
exposure to aromatic amines which activate/deactivate the p53 gene to an acidic
urine environment to nocturia all contributed to this population being at
greater risk.
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