Carotid chemoreceptor development in mice

Machiko Shirahata, Eric W. Kostuk, Luis E. Pichard

Research output: Contribution to journalReview articlepeer-review

Abstract

Mice are the most suitable species for understanding genetic aspects of postnatal developments of the carotid body due to the availability of many inbred strains and knockout mice. Our study has shown that the carotid body grows differentially in different mouse strains, indicating the involvement of genes. However, the small size hampers investigating functional development of the carotid body. Hypoxic and/or hyperoxic ventilatory responses have been investigated in newborn mice, but these responses are indirect assessment of the carotid body function. Therefore, we need to develop techniques of measuring carotid chemoreceptor neural activity from young mice. Many studies have taken advantage of the knockout mice to understand chemoreceptor function of the carotid body, but they are not always suitable for addressing postnatal development of the carotid body due to lethality during perinatal periods. Various inbred strains with well-designed experiments will provide useful information regarding genetic mechanisms of the postnatal carotid chemoreceptor development. Also, targeted gene deletion is a critical approach.

Original languageEnglish (US)
Pages (from-to)20-29
Number of pages10
JournalRespiratory Physiology and Neurobiology
Volume185
Issue number1
DOIs
StatePublished - Jan 1 2013

Keywords

  • breathing, carotid sinus nerve, gene, hypoxia, inbred, outbred

ASJC Scopus subject areas

  • Neuroscience(all)
  • Physiology
  • Pulmonary and Respiratory Medicine

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