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(January 18, 2012 - Insidermedicine)

From Texas - A new report published in Science Translational Medicine describes how cigarette smoke causes emphysema. Studying mice, researchers found that toxic cigarette smoke activates a host of genes in the immune system that in turn inflame the lungs, resulting in emphysema.

From Texas - Scientists have discovered a new mechanism of glioblastoma development, according to a report published in Molecular Cancer Research. Laboratory research revealed that two RNA-binding proteins mesh together two cancer related gene networks, significantly affecting growth of the brain tumour.

And finally, from Belgium - Vitamin D does not appear to benefit patients with COPD, according to a report published in the Annals of Internal Medicine. Researchers examined nearly 200 COPD patients, randomizing participants to monthly vitamin D supplementation or placebo. Results showed that the vitamin D group did not experience greater improvements in their quality of life, hospitalizations or lung function when compared to placebo