Plasmid Construction of TMEM16A-pcDNA3.1 and its Application to Transient and Stable Transfection of FRT Cells

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Abstract:

Calcium-activated chloride channels (CaCCs) play pivotal roles in many physiological Activities, including transepithelial fluid secretion, smooth muscle contraction and sensory transduction. TMEM16A is a bona fide calcium-activated chloride channel,which was discovered by three independent labs in 2008 after Calcium-activated chloride channel current was recorded about thirty years ago. In this study, DNA fragments encoding mouse TMEM16A with green fluorescence protein (GFP) fusion protein were subcloned into pcDNA3.1/Zeo. Transient transfection condition was optimized and Fischer Thyroid epithelial cells (FRT) expressing TMEM16A were got by stable transfection. The classical calcium-activated chloride channels current was recorded in FRT cells stably expressing TMEM16A by whole cell patch clamp technique. These results were beneficial for the delving into the effects of other bivalent cations on TMEM16A-CaCCs and the role of TMEM16A-CaCCs in cell proliferation and migration.

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Advanced Materials Research (Volumes 554-556)

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1734-1737

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July 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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