Cloning and functional expression of human endothelin-converting enzyme cDNA.
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Shimada K, Matsushita Y, Wakabayashi K, Takahashi M, Matsubara A, Iijima Y, Tanzawa K
Cloning and functional expression of human endothelin-converting enzyme cDNA.
Biochem Biophys Res Commun. 1995 Feb 15;207(2):807-12.
- PubMed ID
- 7864876 [ View in PubMed]
- Abstract
Endothelin (ET) is a 21-residue potent vasoconstrictive peptide produced by vascular endothelial cells and formed from its precursor, big endothelin (big ET), by endothelin-converting enzyme (ECE). This paper describes the cloning and functional expression of a cDNA encoding a human ECE from human umbilical vein endothelial cells (HUVEC). Human ECE consists of 758 amino acid residues and has high homology to rat and bovine ECE. Immunoblot analysis using a monoclonal antibody risen against rat lung ECE showed the presence of immunoreactive protein in membrane fraction prepared from both HUVEC and COS-1 cells transfected with human ECE cDNA. Both COS-1 cells expressing human ECE and its membrane fraction converted big ET-1 most efficiently among big ETs.