1995
DOI: 10.1111/j.1476-5381.1995.tb13322.x
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Endothelin ETA and ETB mRNA and receptors expressed by smooth muscle in the human vasculature: majority of the ETA sub‐type

Abstract: 1 We measured the ratio of ETA and ETB sub-types in the media (containing mainly smooth muscle) of human cardiac arteries (aorta, pulmonary and coronary), internal mammary 4 A single band corresponding to the expected position for mRNA encoding the ETA receptor (299 base pairs) was found in the media in each of the five vessels (n = 3 individuals) using reversetranscriptase polymerase chain reaction assays. A single band corresponding to the ETB sub-type (428 base pairs) was also always detected. 5 35S-label… Show more

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Cited by 149 publications
(81 citation statements)
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References 49 publications
(53 reference statements)
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“…The interpretation of this observation is complex for several reasons. First, the relative predominance of ET B receptor-mediated vasoconstriction or vasodilatation [12][13][14][15][16] will depend largely on the proportionate expression of these receptors in the vascular smooth muscle and endothelial cells. Selective cell-specific blockade of the ET B receptors would be valuable to dissect out these relative contributions but the techniques to address this issue do not currently exist.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The interpretation of this observation is complex for several reasons. First, the relative predominance of ET B receptor-mediated vasoconstriction or vasodilatation [12][13][14][15][16] will depend largely on the proportionate expression of these receptors in the vascular smooth muscle and endothelial cells. Selective cell-specific blockade of the ET B receptors would be valuable to dissect out these relative contributions but the techniques to address this issue do not currently exist.…”
Section: Discussionmentioning
confidence: 99%
“…In vascular smooth muscle cells, both receptors are expressed 11,12 and mediate vasoconstriction. [11][12][13][14] Only the ET B receptors are found on endothelial cells, where these cause vasodilatation through the release of endothelium-derived vasodilators, such as nitric oxide (NO). 15 ET-1-induced vasoconstriction is predominantly mediated by the ET A receptor, but ET B receptors may contribute under some circumstances.…”
mentioning
confidence: 99%
“…The distribution of both ETA and ETB receptors is widely localized throughout the body (6,7,8,16). Within the vasculature, the predominant effect of ETA stimulation is vasoconstriction.…”
Section: Introductionmentioning
confidence: 99%
“…Activation by ET-1 of the ETB receptor located on endothelial cells results in a release of nitric oxide (NO) and prostacyclin to cause vasodilatation (De Nucci et al, 1988;Thiemermann et al, 1989). ETB receptors also exist on vascular smooth muscle cells of certain blood vessels of a variety of species including rats, pigs, dogs (Ihara et al, 1991;Bigaud & Pelton, 1992;Teerlink et al, 1994) and man (Davenport et al, 1995), where they mediate vasoconstriction.…”
Section: Introductionmentioning
confidence: 99%