The H3 receptor agonist exhibits all of the following actions EXCEPT :
Correct Answer: Increase in H1 mediated gastrin secretion
Description: H3 receptors act as pre-synaptic receptors and decrease the release of histamine and other neurotransmitters. These antagonize H1 mediated wakefulness and bronchoconstriction. These also decrease gastrin release and produce the negative chronotropic effect. An inverse agonist of H3 receptor (tiprolisant) is approved for Narcolepsy.
Category:
Pharmacology
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