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Eur J Pharmacol. 1994 Aug 16;268(3):393-8.

Identification of the alpha 1c-adrenoceptor in rabbit arteries and the human saphenous vein using the polymerase chain reaction.

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  • 1Department of Pharmacology, Vermont Center for Vascular Research, College of Medicine, University of Vermont, Burlington 05405.


The expression of the alpha 1C-adrenoceptor subtype in human and rabbit blood vessels has been analyzed using the reverse transcriptase/polymerase chain reaction technique (RT/PCR). The 20 bp primers employed were designed from the bovine alpha 1C-adrenoceptor and flank a least conserved region--the putative third cytoplasmic loop. RT/PCR products generated from rabbit and human brain mRNA both had 93% homology to the bovine alpha 1C-adrenoceptor and were used as species and subtype specific probes in Southern blot analysis of vascular RT/PCR products. Poly A+ RNA was purified from the human saphenous vein and rabbit aorta, renal, pulmonary and central ear arteries and amplified by RT/PCR. Size analysis by agarose gel electrophoresis, together with Southern hybridization of the resulting cDNA products confirm the expression of the alpha 1C-adrenoceptor in these vessels.

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