Proctolin-like immunoreactivity in dorsal paired median neurons generating plateau action potentials in cockroach Periplaneta americana

Corine Amat, Irina Sinakevitch-Pean, Bernard Hue

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

The proctolinergic nature of dorsal paired median (DPM) neurons generating plateau action potentials (PAPs) of the cockroach CNS has been demonstrated using a double labelling technique (lucifer yellow staining and proctolin-like immunochemistry). Electrophysiological results support morphological evidence that a direct pathway exists from axons passing throughout the proctodeal nerves to electrically active DPM neuron somata. However, the occurrence of spike failure along the neuritic membrane and the existence of a neuritic spike initiating site has been postulated because spontaneous PAPs recorded intracellularly were not associated on a one-to-one basis with peripheral axon spikes.

Original languageEnglish (US)
Pages (from-to)263-268
Number of pages6
JournalNeuroscience Research
Volume29
Issue number3
DOIs
StatePublished - Dec 18 1997

Keywords

  • Cockroach
  • Dorsal paired median neuron (DPM)
  • Insect central nervous system
  • Neuritic initiation site
  • Plateau action potential
  • Proctolin

ASJC Scopus subject areas

  • Neuroscience(all)

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