New Anti-nausea Treatment for Cancer Identified

by Colleen Fleiss on  July 31, 2018 at 8:35 AM Cancer News
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A non-psychoactive compound obtained from marijuana has the potential to treat nausea in cancer patients receiving chemotherapy, suggested study conducted in rats and published in eNeuro.
New Anti-nausea Treatment for Cancer Identified
New Anti-nausea Treatment for Cancer Identified

The study represents an advance in understanding the neurobiology of this distressing symptom that accompanies vomiting but is not effectively treated by current drugs.

Linda Parker and colleagues observed a surge in levels of the neurotransmitter serotonin in the rat interoceptive insular cortex (IIC) -- a brain region responsible for nausea in humans -- following injection with the nauseating chemical compound lithium chloride. This increase in serotonin and subsequent gaping behavior (a behavior displayed by rodents to flavors paired with a nauseating treatments) was prevented by treatment with cannabidiol -- a form of cannabis that does not contain the component found in recreational marijuana responsible for the drug's psychotropic effects. Treatment with a drug that elevates the endogenous cannabinoid, 2-AG, also prevented the elevation of serotonin in the IIC by activating the cannabinoid type 1 receptor. These findings implicate the endocannabinoid system and IIC serotonin release in the sensation of nausea, opening up new therapeutic opportunities to explore in future research.

Source: Eurekalert

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