Alarm Pheromone Induces Stress Analgesia via an Opioid System in the Honeybee

  title={Alarm Pheromone Induces Stress Analgesia via an Opioid System in the Honeybee},
  author={J. Nu{\~n}ez and L. Almeida and N. Balderrama and M. Giurfa},
  journal={Physiology & Behavior},
  • J. Nuñez, L. Almeida, +1 author M. Giurfa
  • Published 1997
  • Biology, Medicine
  • Physiology & Behavior
  • Changes of the stinging response threshold of Apis mellifera scutellata were measured on foragers fixed on a holder and stimulated with an electric shock as a noxious stimulus. The threshold of responsiveness to the noxious stimulus increased when bees were previously stimulated with isopentyl acetate, which is a main component of the alarm pheromone of the sting chamber. This effect is antagonised by previous injection of naloxone-hydrochloride (Endo Laboratories Inc.). Results suggest that in… CONTINUE READING
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