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Gut Microbes. 2012 Jan-Feb;3(1):2-3. doi: 10.4161/gmic.19424. Epub 2012 Jan 1.

Leptin signaling protects the gut from Entamoeba histolytica infection.

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Veterinary Science & Microbiology, University of Arizona, Tucson, AZ, USA.


The role of the adipose-derived hormone leptin, and leptin receptors, in signaling satiety to the central nervous system and regulating energy balance is well recognized. But leptin also acts on peripheral tissues such as skeletal muscles, adipose tissues, pancreas, liver, intestine and the immune system. The existence of different splice variants of leptin receptor and the numerous intracellular signaling pathways triggered by leptin make this a truly versatile system. Two recent studies explore the link between malnutrition, leptin signaling and susceptibility to amebic infection. These studies point to important and novel aspects of leptin signaling in maintaining gut homeostasis and warding off infections.

[Indexed for MEDLINE]

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