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Free radical-induced oxidant stress has been implicated in a number of physiological and pathophysiological states including ischemia and reperfusion-induced dysrhythmia in the heart, apoptosis of T lymphocytes, phagocytosis, and neurodegeneration. We have studied the effects of oxidant stress on the native K+ channel from T lymphocytes and on K+ channels(More)
The biophysical and pharmacological properties of an oxygen-sensitive background K+ current in rat carotid body type-I cells were investigated and compared with those of recently cloned two pore domain K+ channels. Under symmetrical K+ conditions the oxygen-sensitive whole cell K+ current had a linear dependence on voltage indicating a lack of intrinsic(More)
Take down policy If you believe this document infringes copyright, raise a complaint by contacting repository-lib@uwa.edu.au. The document will be immediately withdrawn from public access while the complaint is being investigated. Abstract This article addresses whether TRPC1 or TRPC6 are essential components of a mammalian stretch‐activated(More)
Expression of IsK in Xenopus oocytes has been obtained in 2 ways: (i) by injection of cardiac polyA+ RNA from neonatal mouse heart; (ii) by injection of a cRNA synthesized in vitro. It was observed that polyA+ RNA not only directs the expression of the IsK channel but also contains purinergic P2 and endothelin receptors. Stimulation of these receptors, that(More)
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