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Showing 1-30 of 33 results for "Z3003" within Papers
S N Smith et al.
Clinical science (London, England : 1979), 82(6), 667-672 (1992-06-01)
1. The basic defect in cystic fibrosis relates to abnormalities of ion transport in affected tissues, such as the respiratory and gastrointestinal tracts. The identification of the cystic fibrosis gene has enabled studies on the production of a cystic fibrosis
R T Schermuly et al.
American journal of respiratory and critical care medicine, 160(5 Pt 1), 1500-1506 (1999-11-11)
Inhalation of aerosolized prostaglandin I(2) (PGI(2)) causes selective pulmonary vasodilation, but the effect rapidly levels off after termination of nebulization. In experimental pulmonary hypertension in intact rabbits, provoked by continuous infusion of the stable thromboxane mimetic U46619, the impact of
G Dent et al.
The Journal of pharmacology and experimental therapeutics, 271(3), 1167-1174 (1994-12-01)
The cyclic AMP phosphodiesterase (PDE) III/IV inhibitor, zardaverine, and the PDE IV-selective inhibitor, rolipram, both caused concentration-dependent inhibition of opsonized zymosan-stimulated superoxide anion generation by purified human peripheral blood eosinophils with approximate IC50 values of 30 and 40 microM, respectively.
Bronchodilator and positive inotropic activity of pyridazine compound Zardaverine as a phosphodiesterase isozymes inhibitor
Asif M
Journal of Chemical and Pharmaceutical Sciences
, 3(1), 31-34 null
María S Aymerich et al.
TheScientificWorldJournal, 11, 1995-2010 (2011-11-30)
Understanding the trafficking of G-protein-coupled receptors (GPCRs) and their regulation by agonists and antagonists is fundamental to develop more effective drugs. Optical methods using fluorescent-tagged receptors and spinning disk confocal microscopy are useful tools to investigate membrane receptor dynamics in
K F Rabe et al.
The American journal of physiology, 264(5 Pt 1), L458-L464 (1993-05-01)
The effects of the nonselective phosphodiesterase (PDE)-inhibitor 3-isobutyl-1-methylxanthine (IBMX) and the selective PDE inhibitors SKF 94120 (type III), rolipram (type IV), zardaverine (type III/IV), and zaprinast (type V) on inherent tone in human airways were investigated. Substantial relaxation was achieved
D C Underwood et al.
The Journal of pharmacology and experimental therapeutics, 270(1), 250-259 (1994-07-01)
Selective inhibition of phosphodiesterase (PDE) isozymes has been shown to inhibit inflammatory cell function and relax airway smooth muscle and, thus, may be useful in the therapy of asthma. In guinea pigs sensitized to ovalbumin (OA), the effects of three
K H Banner et al.
Pulmonary pharmacology, 9(1), 35-41 (1996-02-01)
The effects of isoenzyme selective phosphodiesterase inhibitors on mitogen-stimulated proliferation of murine thymus and spleen cells was determined. The type 4 phosphodiesterase inhibitors, (rolipram, RO 20-1724 and denbufylline) and the mixed type 3/4 inhibitors, (zardaverine and benzafentrine) produced a concentration-related
D Ukena et al.
Respiratory medicine, 89(6), 441-444 (1995-07-01)
Zardaverine is a selective inhibitor of phosphodiesterase (PDE) III and IV isozymes. It has been shown to exert potent bronchodilator effects in animals. In order to study the efficacy and safety in man, a phase II clinical trial in 10
Madiha Nazir et al.
Experimental cell research, 361(2), 308-315 (2017-11-07)
We and others have previously reported a correlation between high phosphodiesterase 3A (PDE3A) expression and selective sensitivity to phosphodiesterase (PDE) inhibitors. This indicates that PDE3A could serve both as a drug target and a biomarker of sensitivity to PDE3 inhibition.
J C Kips et al.
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology, 23(6), 518-523 (1993-06-01)
Zardaverine is a novel phosphodiesterase III/IV inhibitor, developed as a potential therapeutic agent for asthma. In this study we evaluated the effect of zardaverine in an in vivo animal model of airway inflammation and hyperresponsiveness. Endotoxin exposure in rats causes
Mi Eun Lee et al.
FEBS letters, 530(1-3), 53-58 (2002-10-22)
Cyclic nucleotide phosphodiesterases (PDEs) regulate physiological processes by degrading intracellular second messengers, adenosine-3',5'-cyclic phosphate or guanosine-3',5'-cyclic phosphate. The first crystal structure of PDE4D catalytic domain and a bound inhibitor, zardaverine, was determined. Zardaverine binds to a highly conserved pocket that
T Brunnée et al.
The European respiratory journal, 5(8), 982-985 (1992-09-01)
Zardaverine is a newly developed selective phosphodiesterase III and IV inhibitor. This study investigates the bronchodilatory properties of zardaverine, administered by inhalation. Twelve patients with reversible bronchial obstruction (increase in forced expiratory volume in one second (change FEV1 % predicted)
L Spicuzza et al.
British journal of pharmacology, 133(8), 1201-1212 (2001-08-11)
1. The spasmolytic and anti-spasmogenic activity of beta-adrenoceptor agonists on airways smooth muscle is thought to involve activation of the cyclic AMP/cyclic AMP-dependent protein kinase (PKA) cascade. Here we have tested the hypothesis that PKA mediates the anti-spasmogenic activity of
Mårten Fryknäs et al.
Journal of biomolecular screening, 11(5), 457-468 (2006-08-25)
The squamous cell carcinoma HeLa cell line and an epithelial cell line hTERT-RPE with a nonmalignant phenotype were interrogated for HeLa cell selectivity in response to 1267 annotated compounds representing 56 pharmacological classes. Selective cytotoxic activity was observed for 14
F U Schade et al.
European journal of pharmacology, 230(1), 9-14 (1993-01-05)
Murine resident peritoneal macrophages were stimulated with lipopolysaccharide and treated with phosphodiesterase (PDE) inhibitors zardaverine, rolipram and motapizone. The PDE inhibitors suppressed the formation of tumor necrosis factor (TNF) by macrophages. The mono-selective PDE IV inhibitor rolipram and the dual-selective
W Seeger et al.
Microvascular research, 50(1), 1-17 (1995-07-01)
Neutrophil-derived hydrogen peroxide (H2O2) is believed to play an important role in inflammatory lung injury. We investigated the influence of pharmacological agents that increase intracellular c-AMP levels on endothelial and epithelial leakage in response to intravascular H2O2 challenge in buffer-perfused
K F Wright et al.
Canadian journal of physiology and pharmacology, 75(8), 1001-1008 (1997-08-01)
CP-80,633, a selective phosphodiesterase (PDE) 4 inhibitor, potently reverses histamine bronchoconstriction in anesthetized guinea pigs (ED50 10 micrograms/kg) but only weakly relaxes histamine-constricted guinea pig trachea (EC50 137 microM). Using CP-80,633 as a prototype PDE4 inhibitor, we evaluated the hypothesis
G J Downing et al.
Biochemical pharmacology, 49(11), 1675-1682 (1995-05-26)
Prorenin secretion by human villous placenta is known to be stimulated by activation of adenylate cyclase and enhanced cyclic AMP (cAMP) generation. Placental tissue contains predominantly type III (cGMP-inhibited) and type IV (cAMP-specific) phosphodiesterases (PDEs), which inactivate cAMP. To evaluate
Mallory C Kiefer et al.
mSphere, 5(2) (2020-04-03)
Enterotoxigenic Escherichia coli (ETEC) is a major diarrheal pathogen in children in low- to middle-income countries. Previous studies have identified heat-stable enterotoxin (ST)-producing ETEC as one of the major diarrhea-causing pathogens in children younger than five years. In this study
K F Rabe et al.
The American journal of physiology, 266(5 Pt 1), L536-L543 (1994-05-01)
The effects of the nonselective phosphodiesterase (PDE) inhibitor 3-isobutyl-1-methylxanthine (IBMX) and the selective PDE inhibitors motapizone (type III), rolipram (type IV), zardaverine (type III/IV), and zaprinast (type V and I) on prostaglandin F2 alpha (PFG2 alpha)-induced tone in human pulmonary
A Hatzelmann et al.
British journal of pharmacology, 114(4), 821-831 (1995-02-01)
1. The effect of non-selective (3-isobutyl-1-methylxanthine, IBMX; theophylline) and type IV- or type III/IV-selective (rolipram, RP 73401; zardaverine, tolafentrine) phosphodiesterase (PDE) inhibitors on human eosinophil functions was investigated. 2. For this purpose human eosinophils were purified from blood of healthy
D T Schmidt et al.
British journal of pharmacology, 131(8), 1607-1618 (2001-01-05)
Non-selective inhibitors of cyclic nucleotide phosphodiesterase (PDE) block allergen-induced contraction of passively sensitized human airways in vitro by a dual mechanism involving a direct relaxant effect on smooth muscle and inhibition of histamine and cysteinyl leukotriene (LT) release from airways.
Víctor Fernández-Dueñas et al.
ACS chemical biology, 9(11), 2496-2501 (2014-10-01)
Caffeine, the most consumed psychoactive substance worldwide, may have beneficial effects on Parkinson's disease (PD) therapy. The mechanism by which caffeine contributes to its antiparkinsonian effects by acting as either an adenosine A2A receptor (A2AR) neutral antagonist or an inverse
K J Rickards et al.
Veterinary immunology and immunopathology, 76(3-4), 319-330 (2000-10-25)
Neutrophils are recruited to the lungs of horses with chronic obstructive pulmonary disease (COPD) and exhibit increased activity after antigen challenge. Phosphodiesterase type4 (PDE4) inhibitors have been shown to attenuate human neutrophil activation. The aim of this study was to
R T Schermuly et al.
The European respiratory journal, 22(2), 342-347 (2003-09-04)
In this study, the impact of aerosolised prostacyclin (PGI2) and iloprost in the absence or presence of subthreshold intravascular doses of the dual-selective phosphodiesterase-3/4 inhibitor zardaverine was investigated in an experimental model of acute respiratory failure. In perfused rabbit lungs
Dafne Franz et al.
Journal of neuroimmunology, 284, 18-29 (2015-05-31)
Dopamine receptors have been described in T-cells, however their signalling pathways coupled remain unknown. Since cAMP and ERKs play key roles regulating T-cell physiology, we aim to determine whether cAMP and ERK1/2-phosphorylation are modulated by dopamine receptor 3 (D3R) and
H G Hoymann et al.
Experimental lung research, 20(3), 235-250 (1994-05-01)
Zardaverine (Byk Gulden, Konstanz, Germany) is a new selective phosphodiesterase (PDE) III/IV inhibitor. The bronchodilating and bronchoprotective potency of zardaverine and the nonselective PDE inhibitor theophylline was compared by measuring typical spontaneous and forced respiratory function parameters in anesthetized female
W Fischer et al.
Biochemical pharmacology, 45(12), 2399-2404 (1993-06-22)
Phosphodiesterase inhibitors were used as a tool to manipulate cellular nucleotide levels in vitro and in vivo. The lipopolysaccharide (LPS)-induced release of tumor necrosis factor alpha (TNF-alpha) from mouse peritoneal macrophages was inhibited by prostaglandin E2 with an IC50 of
C Schudt et al.
Agents and actions. Supplements, 34, 379-402 (1991-01-01)
Zardaverine is shown to inhibit selectively two out of five isoenzyme classes of phosphodiesterases, namely PDE III from human platelets and PDE IV from human polymorphonuclear leucocytes (PMN) with IC50 values of 0.58 and 0.17 microM, respectively. Motapizone or rolipram
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