Smoking causes changes at a gene level, researchers find

Sep 13 02:09 2017 Print This Article

Researchers studying the effects of cigarette smoke on the lungs have determined that smoking causes changes to the gene expression of lung cells, priming them for the uncontrolled growth associated with lung cancer.

The science of epigenetics has advanced rapidly over the past two decades, telling us more about how environmental factors can have their impact at a genetic level. Where our genes contain the DNA blueprint for how to make a human body such as ours, epigenetics determines whether and to what degree the various aspects of that blueprint will become activated.

Thus, while DNA is a fixed plan, how gene expression will be carried out is variable, with research showing that gene expression can be influenced by both inherited characteristics as well as environmental factors during one’s lifetime.

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About Article Author

Cantech Letter

Founded in 2008 by Nick Waddell, Cantech Letter is an online magazine focusing on Canadian technology. The site has grown into one of the most popular and respected financial sites in Canada, and was described by Canadian Business Magazine as “one of Canada’s premier technology newsletters”. Waddell, who is Senior Editor, is routinely called on by the mainstream media for perspective on Canadian technology, and has been featured on BNN, CTV News Channel, and the CBC program “The Lang and O’Leary Exchange” in addition to mainstream print media such as The Guardian, The International Business Times, The Globe and Mail, Macleans, The Waterloo Record , Canadian Business, Slate, and Business Insider. You can email Nick at nick@cantechletter.com Cantech Letter is focused on those companies listed on the TSX and TSXV Technology, Cleantech and Life Sciences Sectors. Each year we present the Cantech Letter Awards, which honor Canada’s Top Technology Stock and Top Technology Stock Executive.

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