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CB2 CX3CR1

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https://www.readbyqxmd.com/read/28439004/endocannabinoid-system-acts-as-a-regulator-of-immune-homeostasis-in-the-gut
#1
Nandini Acharya, Sasi Penukonda, Tatiana Shcheglova, Adam T Hagymasi, Sreyashi Basu, Pramod K Srivastava
Endogenous cannabinoids (endocannabinoids) are small molecules biosynthesized from membrane glycerophospholipid. Anandamide (AEA) is an endogenous intestinal cannabinoid that controls appetite and energy balance by engagement of the enteric nervous system through cannabinoid receptors. Here, we uncover a role for AEA and its receptor, cannabinoid receptor 2 (CB2), in the regulation of immune tolerance in the gut and the pancreas. This work demonstrates a major immunological role for an endocannabinoid. The pungent molecule capsaicin (CP) has a similar effect as AEA; however, CP acts by engagement of the vanilloid receptor TRPV1, causing local production of AEA, which acts through CB2...
May 9, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27717112/activation-of-cannabinoid-receptor-2-attenuates-mechanical-allodynia-and-neuroinflammatory-responses-in-a-chronic-post-ischemic-pain-model-of-complex-regional-pain-syndrome-type-i-in-rats
#2
Jijun Xu, Yuying Tang, Mian Xie, Bihua Bie, Jiang Wu, Hui Yang, Joseph F Foss, Bin Yang, Richard W Rosenquist, Mohamed Naguib
Complex regional pain syndrome type 1 (CRPS-I) remains one of the most clinically challenging neuropathic pain syndromes and its mechanism has not been fully characterized. Cannabinoid receptor 2 (CB2) has emerged as a promising target for treating different neuropathic pain syndromes. In neuropathic pain models, activated microglia expressing CB2 receptors are seen in the spinal cord. Chemokine fractalkine receptor (CX3CR1) plays a substantial role in microglial activation and neuroinflammation. We hypothesized that a CB2 agonist could modulate neuroinflammation and neuropathic pain in an ischemia model of CRPS by regulating CB2 and CX3CR1 signaling...
December 2016: European Journal of Neuroscience
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