Comparative effects of endothelin and phorbol 12-13 dibutyrate in rat aorta.


The vasoconstrictive properties of endothelin (ET-1) and the protein kinase C activator, phorbol 12-13 dibutyrate (PDB) were comparatively investigated in isolated rat aorta. ET-1 (0.3-100 nM) and PDB (10 nM-3 microM) induced a slowly developing sustained contraction in endothelium denuded aorta. Maximal contractions induced by ET-1 and PDB were unaffected… (More)


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