Blood test may help detect lung cancer

Scientists have found that people with lung cancer have high levels of a protein in their blood, paving way for development of a simple blood test to diagnose the disease.

Researchers found that a protein called isocitrate dehydrogenase (IDH1) is present at high levels in lung cancers and can be a diagnostic marker for the disease.

"This study is the first to report identification of IDH1 as a novel biomarker for the diagnosis of non-small cell lung cancers (NSCLC) using a large number of clinical samples," said Jie He, director of the Laboratory of Thoracic Surgery at the Peking Union Medical College and Chinese Academy of Medical Sciences in Beijing.

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