Nature Genetics

Elucidating the origin of MDR tuberculosis strains

A study has focused on the evolutionary history of the mycobacterium that causes tuberculosis, and more specifically on the Beijing lineage associated with the spread of multidrug resistant forms of the disease ...

Jan 29, 2015
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Mutations drive unrestrained secretion

Benign tumors in the pituitary gland lead to uncontrolled secretion of the stress hormone cortisol by the cells of the adrenal cortex. An international research effort has now characterized a new mechanism ...

Dec 10, 2014
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