5-HT4(a) Receptors Avert Opioid-Induced Breathing Depression Without Loss of Analgesia

  title={5-HT4(a) Receptors Avert Opioid-Induced Breathing Depression Without Loss of Analgesia},
  author={T. Manzke and U. Guenther and E. Ponimaskin and M. Haller and M. Dutschmann and S. Schwarzacher and D. Richter},
  pages={226 - 229}
  • T. Manzke, U. Guenther, +4 authors D. Richter
  • Published 2003
  • Medicine
  • Science
  • Opiates are widely used analgesics in anesthesiology, but they have serious adverse effects such as depression of breathing. This is caused by direct inhibition of rhythm-generating respiratory neurons in the Pre-Boetzinger complex (PBC) of the brainstem. We report that serotonin 4(a) [5-HT4(a)] receptors are strongly expressed in respiratory PBCneurons and that their selective activation protects spontaneous respiratory activity. Treatment of rats with a 5-HT4 receptor–specific agonist… CONTINUE READING

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