Guarding the gatekeepers

Posted by on May 27, 2016 4:29 pm
Categories: health

Calcium is a key signalling agent in the information networks of life. As calcium ions cannot cross cell membranes directly, the rise and fall of calcium levels within a cell are controlled through a set of proteins known as the Orai. Researchers have discovered a new player in calcium signalling pathways – a protein named Septin 7 that functions as a ‘molecular brake’ to Orai activation.

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