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Updated: Aug 11, 2026

Electrophysiology on Isolated Brainstem-spinal Cord Preparations from Newborn Rodents Allows Neural Respiratory Network Output Recording
Published on: November 19, 2015
Respiratory rhythm generation during gasping depends on persistent sodium current
Julian F R Paton1, Ana P L Abdala, Hidehiko Koizumi
1Department of Physiology, Bristol Heart Institute, School of Medical Sciences, University of Bristol, Bristol, UK. Julian.F.R.Paton@Bristol.ac.uk
Abstract:
In severe hypoxia, homeostatic mechanisms maintain function of the brainstem respiratory network. We hypothesized that hypoxia involves a transition from neuronal mechanisms of normal breathing (eupnea) to a rudimentary pattern of inspiratory movements (gasping). We provide evidence for hypoxia-driven transformation within the central respiratory oscillator, in which gasping relies on persistent sodium current, whereas eupnea does not depend on this cellular mechanism.
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