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Review
The CaV1.4 Calcium Channel: More Than Meets the Eye
Clinton J. Doering, Jean B. Peloquin and John E. McRory
volume 1 | issue 1
January/February 2007Pages: 3 - 10
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Cav1.4 channels are the latest calcium channels to be described in the literature. Originally identified in 1997 from the human genome project, several reports have since been published describing mutations in the CACNA1F gene encoding Cav1.4 channels, and implicated these mutations in human disorders such as X-linked rod-cone dystrophy (CORDX3) and incomplete X-linked congenital stationary night blindness type 2 (CSNB2). The gene was subsequently cloned and expressed in heterologous expression systems beginning in 2003, and many of the mutations linked to CSNB2 have been tested. Here, we review literature describing the discovery of the CACNA1F gene, its tissue expression profile, alternative splicing events, and biophysical and pharmacological characteristics of the channel in various expression systems. Channel biophysics are also compared to those obtained from recordings made from vertebrate photoreceptors, suggesting that these studies may have been describing Cav1.4 channels in native cells.
Authors
Clinton J. Doering
University of Calgary
Jean B. Peloquin
University of Calgary
John E. McRory
University of Calgary
We now provide open access to journal articles published online for one year or more. This article may be downloaded at the following link:
Download PDF If the document does not open, please right-click on the link (control-click on a Macintosh) and select the option to save the file to disk.