Corticosteroid receptor hypothesis

Cells lining the gastrointestinal tract release serotonin when damaged by chemotherapy and radiation therapy. This serotonin binds to serotonin receptors on nerves that transmit impulses to the vomiting center within the brain, which in turn stimulates other nerves involved in the vomit reflex. 5-HT3 receptor antagonists prevent serotonin from binding to 5-HT3 receptors in the small intestine thereby reducing the likelihood of nausea and vomiting. The way 5-HT3 receptor antagonists work to prevent postoperative nausea and vomiting is less well understood.

Corticosteroid receptor hypothesis

corticosteroid receptor hypothesis

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