A Pill To Cure Hazards Of Smoking – ‘Why Not?’ Say Researchers!

by Tanya Thomas on  January 14, 2009 at 9:15 AM Research News   - G J E 4
 A Pill To Cure Hazards Of Smoking – ‘Why Not?’ Say Researchers!
If 'kicking the butt' (as they call it) is not your cup of tea, you've still got a chance to escape the health hazards of smoking. Researchers are working on a 'magic pill' that may let you smoke while it alleviates your cigarette's negative health effects.

Boston University School of Medicine researchers have found 28 molecules, which are produced in abnormal amounts in cells lining the airways of smokers.

If the levels of these molecules could be restored to that of non-smokers it might allow chronic smokers who have been unable to quit to improve their health prospects, reports New Scientist.

It might also enable people to smoke without significant damage to their health.

To reach the conclusion, lead researcher Avrum Spira and his colleagues took samples of cells from the airways of 10 smokers and 10 non-smokers and identified 28 microRNAs - molecules that control the expression of whole networks of related genes - that were perturbed in the smokers.

"These microRNAs serve to regulate the gene expression changes occurring in people who smoke and who get smoking related diseases, including cancer," says Spira.

One of these microRNAs, called mir-218, appears to control a group of genes that usually protect lung and airway cells from the oxidative damage caused by smoke.

"We think the level of activity [of mir-218] is crucial in how a smoker defends his or herself against injury and potential development of lung disease," the expert added.

Other microRNAs identified help to regulate the proliferation and growth of airway cells.

Giving supplements of mir-218 to smokers, or developing a drug that restores levels of disrupted microRNAs to normal could mitigate some of the damaging effects of smoke.

"We might be able to alter the host's response to tobacco smoke so that it is a protective one," says Spira.

The study has been published in the journal Proceedings of the National Academy of Science.

Source: ANI

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