Results 261 to 270 of about 4,400 (309)
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Endothelin

2006
In humans, the endothelins (ETs) comprise a family of three 21-amino-acid peptides, ET-1, ET-2 and ET-3. ET-1 is synthesised from a biologically inactive precursor, Big ET-1, by an unusual hydrolysis of the Trp21 -Val22 bond by the endothelin converting enzyme (ECE-1).
A P, Davenport, J J, Maguire
openaire   +2 more sources

Biotinylated endothelin as a probe for the endothelin receptor

Peptides, 1991
Biotinylated derivatives of endothelin (ET)-1 were prepared by chemical modification of ET-1 with sulfosuccinimidyl 6-(biotinamido) hexanoate. Two major biotinylated ET analogs were purified by reversed-phase high performance liquid chromatography.
I, Schvartz   +4 more
openaire   +2 more sources

Regional extraction of endothelins and conversion of big endothelin to endothelin‐1 in the pig

Acta Physiologica Scandinavica, 1991
Endothelin‐like immunoreactivity (ET‐LI), mean arterial blood pressure (MABP) and vascular resistance in the spleen, kidney and femoral vascular bed were measured during intravenous infusions (20 pmol. kg‐1. min) of endothelin‐2 (ET‐2), endothelin‐3 (ET‐3), big endothelin‐1 (big ET) and sarafotoxin 6b in the pig.
A, Hemsén, J, Pernow, J M, Lundberg
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Endothelins

Journal of Veterinary Medicine Series A, 1992
SummaryThe endothelins (ET) represent a novel family of at least three isopeptides (ET‐1, ET‐2, ET‐3), each consisting of 21 amino acids and two disulfide bridges. ET has originally been isolated from the supernatant of porcine aortic endothelial cells and has been found to be the most potent and long lasting vasoconstrictor agent yet discovered. ET is
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Endothelins and asthma

Life Sciences, 1999
In the decade since endothelin-1 (ET-1) and related endogenous peptides were first identified as vascular endothelium-derived spasmogens, with potential pathophysiological roles in vascular diseases, there has been a significant accumulation of evidence pointing to mediator roles in obstructive respiratory diseases such as asthma.
R G, Goldie, P J, Henry
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Endothelin, endothelin receptors, and endothelin antagonists

Current Opinion in Nephrology and Hypertension, 1994
Endothelin is a peptide with potent biologic effects in vascular and nonvascular cells. Its effects are mediated by two receptors, ETA and ETB, and possibly also by a third receptor, ETC. In vascular smooth muscle cells, endothelin causes profound contraction and also has proliferative effects, mainly through activation of ETA but also through ETB ...
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Endothelin XVI

Canadian Journal of Physiology and Pharmacology, 2020
Although 31 years have passed since the discovery of endothelin, that pioneering report, and the subsequent flood of influential studies elucidating its molecular and clinical details, have since paved the way for thousands of publications. They showed the promise of endothelin and the vast amount of work that remains to be done to fully unleash the ...
Bambang, Widyantoro, Noriaki, Emoto
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Endothelins and the lung

The International Journal of Biochemistry & Cell Biology, 2000
Since endothelins were discovered by Yanasigawa in 1988 it has been recognised that they may have an important role in lung pathophysiology. Despite their biological importance as vasoconstrictors the physiological role of endothelin has not yet been defined within the lungs. This review explores their role in acute and chronic disease.
M J, Boscoe   +3 more
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Endothelin antagonists

The Lancet, 1999
The very potent endogenous vasoconstrictor endothelin was discovered in 1988. We know now that there are three isoforms (1, 2, and 3) and two receptor subtypes (A and B). A whole range of peptide and non-peptide antagonists has been developed, some selective for A or B receptors and others with non-selective A/B antagonistic activity.
A, Benigni, G, Remuzzi
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Endothelins Are Angiogenic

Journal of Cardiovascular Pharmacology, 2000
Endothelins-1 and 3 (ET-1 and 3) were evaluated for angiogenesis in the rat cornea. Bisected 2 mm pellets containing 20-1000 ng of ET-1 or ET-3 in Hydron were placed in corneal micro-pockets. Murine vascular endothelial growth factor (VEGF) and human interleukin-8 (IL-8) were positive controls.
E L, Bek, M A, McMillen
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