Salk researchers uncover a fasting molecule, Crtc, which enhances immunity. The gastrointestinal tract of flies lacking Crtc, which is turned on during fasting (right panel), expresses more immune-related molecules compared with those of normal flies (left panel). These signs of inflammation mean that the gut barrier is compromised and more permeable to bacteria. Credit: Salk Institute
A molecular pathway activated in the brain during fasting helps halt the spread of GI bacteria into the bloodstream, according to a new study researchers at the Salk Institute. A molecular pathway by which the brain communicates with the GIT prevents unnecessary activation of the immune system during fasting by strengthening the barrier against gut microbes...
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