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XB-ART-24012
FEBS Lett 1992 Feb 10;2973:221-5.
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Native-type DHP-sensitive calcium channel currents are produced by cloned rat aortic smooth muscle and cardiac alpha 1 subunits expressed in Xenopus laevis oocytes and are regulated by alpha 2- and beta-subunits.

Itagaki K , Koch WJ , Bodi I , Klöckner U , Slish DF , Schwartz A .


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Native tissue-like L-type voltage-dependent calcium channels (L-VDCC's) were expressed by in vitro transcribed cRNA injection of rat aorta or rabbit cardiac alpha 1 subunit into Xenopus laevis oocytes. Co-injection of VSM-alpha 1 with the cloned skeletal muscle beta-subunit (SK-beta) of the L-type VDCC significantly increased the expressed peak current amplitude without significant changes in kinetics. Similar results were obtained by co-injection of cardiac alpha 1 (DSHT-alpha 1) the cloned skeletal alpha 2-subunit (SK-alpha 2) or with SK-beta. The oocytes co-expressing cRNA's retained L-type VDCC pharmacology.

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Species referenced: Xenopus laevis
Genes referenced: dpyd dpys