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- Publications
- Influence
Inhibition of endothelial derived relaxing factor (EDRF) aggravates ischemic acute renal failure in anesthetized rats
- M. Chintala, P. J. Chin, S. Vemulapalli, R. W. Watkins, E. Sybertz
- Medicine
- Naunyn-Schmiedeberg's Archives of Pharmacology
- 1 September 1993
SummaryThe relative importance of endothelial derived relaxing factor (EDRF)/nitric oxide (NO) in maintaining kidney function in normal condition and in acute renal failure (ARF) were evaluated in… Expand
Antihypertensive and hemodynamic actions of SCH 19927, the R,R-isomer and labetalol.
- T. Baum, R. W. Watkins, +7 authors R. Moran
- Chemistry, Medicine
- The Journal of pharmacology and experimental…
- 1 August 1981
SCH 19927, one of the four chiral forms of labetalol, is approximately 4 times as potent as a beta adrenergic receptor blocker as the parent racemate, but is only one-third as potent in blocking… Expand
Cardiovascular and renal action of platelet-activating factor in anesthetized dogs.
- S. Vemulapalli, P. J. Chiu, A. Barnett
- Medicine
- Hypertension
- 1 July 1984
Platelet-activating factor (PAF) has hypotensive effects similar to those of antihypertensive polar renomedullary lipid (APRL), a potent endogenous hypotensive lipid. In this study the cardiovascular… Expand
SCH 39370, a neutral metalloendopeptidase inhibitor, potentiates biological responses to atrial natriuretic factor and lowers blood pressure in desoxycorticosterone acetate-sodium hypertensive rats.
- E. Sybertz, P. J. Chiu, +5 authors M. Haslanger
- Chemistry, Medicine
- The Journal of pharmacology and experimental…
- 1 August 1989
SCH 39370 (N-[N-[1-(S)-carboxyl-3-phenylpropyl]-(S)-phenyl-alanyl]-(S)-isoserin e) is a potent and specific inhibitor of neutral metalloendopeptidase (NEP) from rabbit kidney (IC50 = 11.2 +/- 1.9 nM)… Expand
Phosphoramidon does not inhibit endogenous endothelin-1 release stimulated by hemorrhage, cytokines and hypoxia in rats.
- S. Vemulapalli, P. J. Chiu, K. Griscti, A. Brown, S. Kurowski, E. Sybertz
- Chemistry, Medicine
- European journal of pharmacology
- 12 May 1994
The role of phosphoramidon-sensitive endothelin converting enzyme in the release of endogenous endothelin-1 was investigated in anesthetized rats. Intravenous infusion of phosphoramidon 0.3 mg/kg/min… Expand
Atrial Natriuretic Factor‐Potentiating and Antihypertensive Activity of SCH 34826: An Orally Active Neutral Metalloendopeptidase Inhibitor
- E. Sybertz, P. J. Chiu, S. Vemulapalli, R. Watkins, M. Haslanger
- Chemistry, Medicine
- Hypertension
- 1 February 1990
The effects of SCH 34826, an orally active neutral metalloendopeptidase inhibitor, on responses to atrial natriuretic factor-(103–125) or -(99–126) and on blood pressure were evaluated in rats. SCH… Expand
Modulation of Circulating Endothelin Levels in Hypertension and Endotoxemia in Rats
- S. Vemulapalli, P. J. Chiu, M. Rivelli, C. Foster, E. Sybertz
- Medicine
- Journal of cardiovascular pharmacology
- 1 December 1991
We have developed separate radioimmunoassays to measure circulating ET-1 and ET-3 levels in normotensive and different hypertensive rat models so that the role of endothelin in the regulation of… Expand
Antiplatelet and antiproliferative effects of SCH 51866, a novel type 1 and type 5 phosphodiesterase inhibitor.
- S. Vemulapalli, R. W. Watkins, +8 authors E. Sybertz
- Chemistry, Medicine
- Journal of cardiovascular pharmacology
- 1 December 1996
SCH 51866 is a potent and selective PDE1 and PDE5 inhibitor. The antiplatelet, antiproliferative, and hemodynamic effects of SCH 51866 were compared with those of E4021, a highly selective PDE5… Expand
Neutral metalloendopeptidase inhibition: a novel means of circulatory modulation.
- E. Sybertz, P. J. Chiu, R. W. Watkins, S. Vemulapalli
- Medicine
- Journal of hypertension. Supplement : official…
- 1 December 1990
Inhibition of the enzyme neutral metalloendopeptidase (NEP) potentiates responses to atrial natriuretic factor (ANF) and elicits reductions in blood pressure in deoxycorticosterone acetate sodium… Expand
Sympathoadrenal stimulation, not endothelin, plays a role in acute pressor response to cyclosporine in anesthetized rats.
- P. J. Chiu, S. Vemulapalli, C. Sabin, M. Rivelli, V. Bernardino, E. Sybertz
- Medicine
- The Journal of pharmacology and experimental…
- 1 June 1992
The possible role of sympathoadrenal stimulation and endothelin release in cyclosporine (CS)-induced hypertension was ascertained in intact and pithed rats. CS (20 and 40 mg/kg), administered by i.v.… Expand