09 August 2013
People who inherit certain gene faults may be less likely to survive lung cancer, a study has found.
Researchers at the Moffitt Cancer Centre in the US studied samples from 651 patients with non-small-cell lung cancer and discovered four survival-related genetic variations that were located on a single inflammation-related gene called TNFRSF10B.
They found that these variants increased patients' risk of death by up to 41 per cent.
In addition, patients with these gene variations were more likely to die if they were not given chemotherapy treatment after surgery than if their cancer treatment included both surgery and chemotherapy.
Lead study author Dr Matthew Schabath, whose findings are published in the journal Carcinogenesis, said there are few confirmed biomarkers for predicting survival or cancer treatment response in these patients.
"Having a validated genetic biomarker based on inherited differences in our genes may allow physicians to determine the best treatments for an individual patient based on their unique genetics," he added.
Posted by Philip Briggs
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