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Signaling mechanism opiates

Chronic opiate treatment results in complex adaptations in opioid receptor signaling. Much has been learned from studies on mechanisms of tolerance to the analgesic effects of opiates. This is a major clinical problem, as it means that ever-escalating doses are required for the treatment of chronic pain. The classic view was that tolerance reflects a decrease in functional opioid receptors via desensitization and internalization. Desensitization occurs when receptors are uncoupled from G proteins as a result of phosphorylation by G-protein-coupled receptor... [Pg.915]

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See also in sourсe #XX -- [ Pg.205 ]



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Signalling mechanisms

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