Abstract
Inhibitors of mitochondrial function have been known to be stimulants of the carotid body for many decades. Recent experiments have demonstrated that in isolated neonatal rat type I cells both hypoxia and mitochondrial uncouplers inhibit background K+ currents. This leads to membrane depolarisation and voltage gated Ca2+ entry (Buckler, 1997; Buckler and Vaughan-Jones, 1998). Since these data are consistent with a role for mitochondria in oxygen sensing, we have determined whether other mitochondrial inhibitors mimic the effects of hypoxia on the type I cells.
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References
Buckler K.J. 1997, A novel oxygen-sensitive potassium current in rat carotid body type I cells. J. Physiol.; 498: 649–62
Buckler K.J, Vaughan-Jones RD. 1998, Effects of mitochondrial uncouplers on intracellular calcium, pH and membrane potential in rat carotid body type I cells. J Physiol. ; 513 (Pt 3): 819–33.
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© 2003 Springer Science+Business Media New York
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Wyatt, C.N., Buckler, K.J. (2003). Effect of Mitochondrial Inhibitors on Type I Cells. In: Pequignot, JM., Gonzalez, C., Nurse, C.A., Prabhakar, N.R., Dalmaz, Y. (eds) Chemoreception. Advances in Experimental Medicine and Biology, vol 536. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-9280-2_7
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DOI: https://doi.org/10.1007/978-1-4419-9280-2_7
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