Regular articleKv3.3 Potassium Channels in Lens Epithelium and Corneal Endothelium
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Pharmacological inhibition of Kv3 on oxidative stress-induced cataract progression
2020, Biochemical and Biophysical Research CommunicationsCitation Excerpt :Accordingly, oxidation of sulfur-containing amino acids is important in both the cataractogenesis and function of Kv3.4, and Kv3.4 may therefore play pivotal roles in oxidative stress-induced cataractogenesis. In addition, Kv3.3 and Kv3.4 are already known to be localized in several different parts of eyes such as lens epithelium, corneal epithelium and corneal endothelium [39,40]. Indeed, our data showed that blocking the oxidation-sensitive Kv channel by BDS-II efficiently inhibited cataract progression.
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2008, Journal of Biological ChemistryCitation Excerpt :Like other members of the Kv3 family, murine Kv3.3 channels display rapid activation and deactivation kinetics and a high threshold of voltage activation. Rates of activation and inactivation of mouse Kv3.3 channels are quantitatively similar to those of the full-length human Kv3.3 channel, although their rate of deactivation is approximately twice as fast as that reported for the human channels (32). Somewhat greater differences are seen when comparing the properties of murine Kv3.3 channels with those of previously described Apteronotus Kv3.3 channels quantified in CHO cells (33).
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Address correspondence to: James L. Rae, Departments of Physiology and Biophysics and Ophthalmology, Room 934 Guggenheim Bldg., Mayo Foundation, 200 First Street SW, Rochester, MN 55905, U.S.A.