Hasil (
Bahasa Indonesia) 1:
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Opiate analgesics such as morphine are often used for pain therapy. However, antinociceptive tolerance and dependence maydevelop with long-term use of these drugs. It was found that μ-opioid receptors can interact with δ-opioid receptors, andmorphine antinociceptive tolerance can be reduced by blocking δ-opioid receptors. Recent studies have shown that μ- andδ-opioid receptors are co-expressed in a considerable number of small neurons in the dorsal root ganglion. The interaction ofμ-opioid receptors with δ-opioid receptors in the nociceptive afferents is facilitated by the stimulus-induced cell-surfaceexpression of δ-opioid receptors, and contributes to morphine tolerance. Further analysis of the molecular, cellular and neuralcircuit mechanisms that regulate the trafficking and interaction of opioid receptors and related signalling molecules in thepain pathway would help to elucidate the mechanism of opiate analgesia and improve pain therapy.
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