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A new imaging technique for a clearer picture of the ‘brain in the gut’
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A new imaging technique for a clearer picture of the ‘brain in the gut’

by University of Calgary Live, 3-dimensional calcium (Ca2+) recordings were made in intact segments of the jejunum, proximal and distal colon in mice expressing a genetically encoded Ca2+ indicator (GCaMP6) in the enteric nervous system (ENS). In the undistended region of the colon (as well other segments), intracellular Ca2+ is low and neurons respond simultaneously to a...