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Brain's own cannabis compound protects against inflammation

at, when AEA plugs into its receptors on activated microglial cells, it basically activates a specific molecular signaling pathway that suppresses the production of inflammation-causing nitric oxide, which would otherwise cause brain injury.

The researchers concluded that the release of AEA in injured brain tissue might act as a "gatekeeper" and an important "negative-feedback loop within the CNS [central nervous system] immune system needed to reduce the extent of the inflammatory response and to limit neurodegenerative immune reactions after primary brain damage.

"Moreover, endocannabinoid signaling strongly suppresses attack of microglial cells on nondamaged neurons," they wrote, "suggesting also a physiological function of the endocannabinoid system in maintaining a protective and healthy CNS microenvironment."

They also concluded that "the endocannabinoid system represents a local messenger system between the nervous and immune system and is obviously involved in the control of immune activation and neuroprotection. Therefore, elucidating the pathology of the endocannabinoid system during neuroinflammation and neurodegeneration might open new avenues of therapeutic interventions in the future."


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Source:Cell Press


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