Inhibition of prostaglandin biosynthesis in human endotoxin-stimulated peripheral blood monocytes: effects of caffeine.

Abstract:

:There is an ongoing debate about possible advantages of the coadministration of caffeine with cyclooxygenase (COX) inhibitors in the treatment of pain. There are results suggesting interference by caffeine with COX expression and activity in rat immune cells. In the present study, we have used, therefore, human endotoxin-stimulated monocytes to investigate a possible influence of caffeine on indometacin-induced inhibition of prostaglandin E(2) (PGE(2)) formation. Endotoxin caused a concentration- and time-dependent increase in immunoreactive PGE(2) that was dependent on CD14-mediated mechanisms. In order to investigate pharmacological inhibition of the COX activity, a submaximal concentration of 1 ng/ml endotoxin (4 h exposure time) was used. Indometacin caused a concentration-dependent inhibition of PGE(2) with an apparent IC(50) of 8.9 +/- 1.4 x 10(-9) mol/l and an I(max) of 1 x 10(-7) mol/l. Caffeine (5 x 10(-6) to 1.5 x 10(-4) mol/l) on its own produced no statistically significant effect on endotoxin-induced PGE(2) formation. In the presence of caffeine (5 x 10(-6) to 1.5 x 10(-4) mol/l), inhibition of PGE(2) biosynthesis by indometacin (1 x 10(-8) mol/l) was not significantly altered. These results show that, in human monocytes, caffeine, up to concentrations severalfold higher than those reached in patients, has no significant effect on endotoxin-induced PGE(2) formation nor on its inhibition by indometacin.

journal_name

Pharmacology

journal_title

Pharmacology

authors

Ulcar R,Schuligoi R,Heinemann A,Santner B,Amann R

doi

10.1159/000067742

subject

Has Abstract

pub_date

2003-02-01 00:00:00

pages

67-71

issue

2

eissn

0031-7012

issn

1423-0313

pii

67742

journal_volume

67

pub_type

杂志文章
  • Comparative effects of pranidipine with amlodipine in rats with heart failure.

    abstract::The aim of the present study was to compare the cardioprotective properties of long-acting calcium channel antagonist pranidipine with amlodipine in rat model of heart failure induced by autoimmune myocarditis. Twenty-eight days after immunization the surviving rats were randomized for the oral administration of low-d...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000091746

    authors: Veeraveedu PT,Watanabe K,Ma M,Gurusamy N,Palaniyandi SS,Wen J,Prakash P,Wahed MI,Kamal FA,Mito S,Kunisaki M,Kodama M,Aizawa Y

    更新日期:2006-01-01 00:00:00

  • Changes in arachidonic acid metabolite patterns in alloxan-induced diabetic rats.

    abstract::The vasodepressor responses to intravenous injections of arachidonic acid, and the formation of its metabolites, were studied in rats made diabetic 1 or 2 weeks after a 1-dose alloxan treatment. Arachidonic acid dose-dependently decreased the diastolic blood pressure in normal animals, but this hypotensive effect was ...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000138612

    authors: Hui SC,Ogle CW,Wang Z,An Y,Hu YH

    更新日期:1989-01-01 00:00:00

  • Alteration of cyclopiazonic acid-mediated contracture of mouse diaphragm after denervation.

    abstract::As a major Ca(2+) source for muscle contraction, the sarcoplasmic reticulum (SR) of skeletal muscle maintains its Ca(2+) content by uptake of myoplasmic Ca(2+) and by replenishment with extracellular Ca(2+). Since transection of motor nerve alters the functions of SR Ca(2+) pump and sarcolemma ion channels, this study...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000082755

    authors: Hong SJ,Liang HC,Shen CJ

    更新日期:2005-03-01 00:00:00

  • Drug fever due to a single dose of pantoprazole.

    abstract::Although proton pump inhibitors (PPI) are generally well tolerated, with most adverse effects being minor and self-limiting, there are singular reports on hypersensitivity immune reactions triggered by a PPI or its metabolites. Here we report a case of acute drug-induced fever with leukocytosis and a transient increas...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000364781

    authors: Schiller D,Maieron A,Schöfl R,Donnerer J

    更新日期:2014-01-01 00:00:00

  • Participation of neuropeptides in antigen-induced contraction of guinea pig bronchi via NK(2) but not NK(1) receptor stimulation.

    abstract::We evaluated the contribution of neuropeptides to antigen-induced contractions of isolated bronchi and tracheae of passively sensitized guinea pigs using CP-96345 and SR 48968, specific antagonists of NK(1) and NK(2) receptors, respectively, in combination with treatment by an antihistaminic and a cysteinyl leukotrien...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000028365

    authors: Tanpo T,Nabe T,Yasui K,Kamiki T,Kohno S

    更新日期:2000-05-01 00:00:00

  • Caerulein and morphine: an attempt to differentiate their antinociceptive effects.

    abstract::The antinociceptive effect in mice (hot-plate test) of caerulein (0.15 mg/kg s.c.) was many times more resistant to naloxone than that of morphine (2 mg/kg s.c., equipotent with the caerulein dose). The ED50 (mg/kg s.c.) of naloxone (given simultaneously with an agonist) was with morphine 0.01 and with caerulein 0.07....

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000137733

    authors: Zetler G

    更新日期:1982-01-01 00:00:00

  • Prevention of Stent Thrombosis in Rats by a Direct Oral Factor Xa Inhibitor Edoxaban.

    abstract:BACKGROUND/AIMS:Stent thrombosis is a serious complication after percutaneous coronary intervention and femoropopliteal endovascular intervention. The aim of this study was to determine the antithrombotic effects of a direct factor Xa inhibitor edoxaban alone or in combination with antiplatelet agents in a rat model of...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000494059

    authors: Morishima Y,Honda Y,Kamisato C

    更新日期:2019-01-01 00:00:00

  • Unexpected insensitivity of the cholinergic motor responses to morphine in the human small intestine.

    abstract:BACKGROUND/AIMS:morphine is known to inhibit cholinergic contractions of the guinea pig small intestine. This has been compared to the human small intestinal innervated longitudinal muscle in the current study. METHODS:cholinergic primary contractions of human small intestinal longitudinal strips were evoked by electr...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000316637

    authors: Benko R,Molnár Z,Nemes D,Dékány A,Kelemen D,Illényi L,Cseke L,Papp A,Varga G,Bartho L

    更新日期:2010-01-01 00:00:00

  • Effects of papaverine on twitches in mouse diaphragm.

    abstract::This study examined the inhibitory effects of papaverine on twitches directly elicited by electrical stimulation of the mouse diaphragm. Papaverine (3-100 μM) inhibited twitches in a dose-dependent manner. Papaverine increased the cyclic adenosine monophosphate (cAMP) but not cyclic guanosine monophosphate (cGMP) cont...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000320769

    authors: Kaneda T,Hayasaka R,Nagai Y,Tajima T,Urakawa N,Nakajyo S,Shimizu K

    更新日期:2010-01-01 00:00:00

  • Co-administration of ondansetron decreases the analgesic efficacy of tramadol in humans.

    abstract::Tramadol, a central analgesic acting on serotonin neurotransmission, is often co-used with ondansetron, a 5-HT(3) antagonist, for the management of postoperative pain to decrease nausea and vomiting. The aim of the study is to test the hypothesis that this drug combination raises tramadol requirement by patient-contro...

    journal_title:Pharmacology

    pub_type: 杂志文章,随机对照试验

    doi:10.1159/000330740

    authors: Vale C,Oliveira F,Assunção J,Fontes-Ribeiro C,Pereira F

    更新日期:2011-01-01 00:00:00

  • Protective effect of the serotonin receptor antagonist cinanserin in two canine models of pacing-induced myocardial ischemia.

    abstract::Previous studies have indicated that structurally dissimilar serotonin2 (5HT2) antagonists can protect globally ischemic/reperfused reperfused rat hearts. We therefore determined if the 5HT2 antagonist cinanserin can protect the ischemic myocardium in two models of pacing-induced ischemia in anesthetized dogs. In one ...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000139294

    authors: Grover GJ,Parham CS,Youssef S,Ogletree ML

    更新日期:1995-05-01 00:00:00

  • Cardioprotective effects of (2S,3R,4S)-N'-benzyl-N"-cyano-N-(3,4-dihydro-2-dimethoxymethyl-3-hydroxy-2-methyl-6-nitro-2H-benzopyran-4-yl)-guanidine (KR-31372) in rats and dogs.

    abstract::The cardioprotective effects of (2S,3R,4S)-N'-benzyl- N"-cyano-N-(3,4-dihydro-2-dimethoxymethyl-3-hydro- xy-2-methyl-6-nitro-2H-benzopyran-4-yl)-guanidine (KR-31372) were evaluated against ischemic/reperfusion injury in isolated rat hearts in vitro and in anesthetized rats and dogs in vivo. In isolated perfused rat he...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000074671

    authors: Lee BH,Seo HW,Yoo SE

    更新日期:2004-02-01 00:00:00

  • Effect of captopril on urinary kallikrein, blood pressure and myocardial hypertrophy in diabetic spontaneously hypertensive rats.

    abstract::We investigated the total urinary kallikrein levels, left-ventricular wall thickness and mean arterial blood pressure of nontreated and captopril-treated diabetic and nondiabetic spontaneously hypertensive rats. The mean arterial blood pressure was significantly elevated in diabetic spontaneously hypertensive rats as ...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000056171

    authors: Sharma JN,Kesavarao U

    更新日期:2002-04-01 00:00:00

  • Decreasing inhibitory potency of prostaglandin synthetase inhibitors during their cooxidative metabolism. Studies on aminophenols, pyrazolon derivatives and 1,3-diphenylisobenzofuran.

    abstract::A variety of prostaglandin synthetase inhibitors are cooxygenated during arachidonic acid peroxidation catalyzed by rat renal medulla prostaglandin synthetase or soybean lipoxygenase. Phenylbutazone, aminopyrine, 1,3-diphenylisobenzofuran, paracetamol, p-aminophenol, p-phenetidine and other o- and m-substituted aminop...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000137880

    authors: Baumann J,von Bruchhausen F,Wurm G

    更新日期:1983-01-01 00:00:00

  • Comparison of fecal blood loss after use of aspirin and suprofen.

    abstract::The effects of aspirin and suprofen on gastrointestinal blood loss were compared in a double-blind, crossover study of 20 healthy male subjects. Fecal blood loss was measured by 51Cr-labeled red cells. Subjects treated with aspirin (2,600 mg/day) experienced a mean fecal blood loss of 4.2 ml/day, compared with subject...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000137895

    authors: Arnold JD,Berger AE

    更新日期:1983-01-01 00:00:00

  • The effect of fenfluramine on disposition and rate of antipyrine elimination.

    abstract::The effect of fenfluramine, administered orally in a daily dose of 1 mg/kg for 40 days, on the disposition and rate of elimination of antipyrine was studied in 15 obese patients. Although the plasma half-life of antipyrine was unchanged, the apparent volume of distribution (1/kg) fell by 11.6% (p less than 0.001) and ...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000136880

    authors: O'Malley K,Stevenson IH,West M

    更新日期:1975-01-01 00:00:00

  • Mechanism of the antihypertensive effect of FCE 22716, a new ergoline derivative, in the spontaneously hypertensive rat.

    abstract::Both acute and chronic oral administration (1-20 mg/kg) of FCE 22716, a new ergoline derivative, resulted in a dose-related fall of arterial blood pressure lasting for more than 6 h. Tachycardia was observed only at high dosages. Yohimbine, propranolol and indometacin did not modify its antihypertensive effect; on the...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000138523

    authors: Salvati P,Bondiolotti GP,Caccia C,Vaghi F,Bianchi G

    更新日期:1989-01-01 00:00:00

  • Hemodynamic effects of carvedilol infusion and the contribution of the sympathetic nervous system in rats with heart failure.

    abstract::We investigated the contribution of the sympathetic nervous system (SNS) in maintaining the blood pressure and in regulating the cardiac function during and after carvedilol administration in rats with heart failure (group F). Left ventricular end-diastolic pressure, percent functional shortening, and rates of intrave...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000080375

    authors: Abe Y,Watanabe K,Sato S,Nagai Y,Kamal FA,Wahed MI,Wen J,Narasimman G,Ma M,Suresh P,Takahashi T,Tachikawa H,Kashimura T,Tanabe N,Kodama M,Aizawa Y,Yamaguchi K,Miyazaki M,Kakemi M

    更新日期:2004-12-01 00:00:00

  • Reversible, narcotic-associated mental status impairment in patients with metastatic cancer.

    abstract::Pain and mental status were assessed in a series of 35 consecutive hospitalized patients with metastatic cancer receiving narcotics for pain that was difficult to control. Forty-five episodes of mental status impairment were detected in 27 of these patients. Fifteen patients had dose-related oversedation or organic br...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000138294

    authors: Leipzig RM,Goodman H,Gray G,Erle H,Reidenberg MM

    更新日期:1987-01-01 00:00:00

  • The Alcohol Intolerance Produced by Isoniazid Is Not Due to a Disulfiram-Like Reaction Despite Aldehyde Dehydrogenase Inhibition.

    abstract:BACKGROUND/AIMS:Isoniazid (ISO) has been reported to inhibit the hepatic aldehyde dehydrogenase (ALDH) and to cause a disulfiram (DIS)-like reaction, albeit there are no reports demonstrating increased blood acetaldehyde levels after co-administration of ISO with alcohol. The aim of our study was to clarify whether the...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000448759

    authors: Karamanakos PN,Pappas P,Boumba V,Vougiouklakis T,Marselos M

    更新日期:2016-01-01 00:00:00

  • Type-1 cannabinoid receptor signaling in neuronal development.

    abstract::The type-1 cannabinoid receptor (CB1R) was initially identified as the neuronal target of Δ(9)-tetrahydrocannabinol (THC), the major psychoactive substance of marijuana. This receptor is one of the most abundant G-protein-coupled receptors in the adult brain, the target of endocannabinoid ligands and a well-characteri...

    journal_title:Pharmacology

    pub_type: 杂志文章,评审

    doi:10.1159/000339075

    authors: Gaffuri AL,Ladarre D,Lenkei Z

    更新日期:2012-01-01 00:00:00

  • Melatonin Induces Osteoblastic Differentiation of Mesenchymal Stem Cells and Promotes Fracture Healing in a Rat Model of Femoral Fracture via Neuropeptide Y/Neuropeptide Y Receptor Y1 Signaling.

    abstract::The function of melatonin (MLT) in promoting fracture healing has been demonstrated in previous studies. However, the molecular mechanism underlying therapeutic effects of MLT is not entirely clear. In this study, mesenchymal stem cells (MSCs) were isolated from rat bone marrow and identified by flow cytometry. We fou...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000492576

    authors: Dong P,Gu X,Zhu G,Li M,Ma B,Zi Y

    更新日期:2018-01-01 00:00:00

  • Effects of zinc acexamate (NAS-501) on superoxide radicals and lipid peroxidation of rat gastric mucosa.

    abstract::Zinc acexamate (NAS-501), an anti-ulcer agent, has been reported to prevent various acute experimental gastric mucosal lesions and duodenal ulcers in rats. In order to clarify the mechanisms by which NAS-501 exhibits the anti-ulcer effects, we investigated the anti-oxidative effects of NAS-501 in vitro and in vivo. NA...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000028283

    authors: Tsutsui Y,Nakamura Y,Yamaguchi S,Kawanaka N,Sato M

    更新日期:1999-04-01 00:00:00

  • Changes of superoxide dismutase in cultured rat aortic smooth muscle cells (A7r5) by an incubation of vitamin E.

    abstract::Supplementation of antioxidants such as vitamin E and vitamin C as health promotion food is popular recently. Epidemiological studies supported the beneficial effect of these antioxidants because oxygen free radicals have been linked to the process of diseases and aging. The present study evaluated the effect of alpha...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000028330

    authors: Huang W,Chan P,Chen Y,Chen C,Liao S,Chin W,Cheng J

    更新日期:1999-11-01 00:00:00

  • Characterization of a functional angiotensin II receptor in Xenopus laevis heart.

    abstract::High-affinity (104 +/- 18 pmol/l) and high-density (204 +/- 25 fmol/mg) angiotensin II (AII) binding sites have been identified in Xenopus laevis heart membranes. Competition binding of [125I]Sar1,Ile8 angiotensin (SIA) to these receptors by peptide analogs selective for the mammalian AII receptor subtypes AT1 and AT2...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000139186

    authors: Aiyar N,Baker E,Pullen M,Nuthulaganti P,Bergsma DJ,Kumar C,Nambi P

    更新日期:1994-04-01 00:00:00

  • Effect of acute and chronic moderate hypoxia on diltiazem kinetics and metabolism in the dog.

    abstract::The aim of this study was to assess whether moderate hypoxia affects the disposition of diltiazem. Six male beagle dogs received diltiazem (0.6 mg/kg) on three occasions: (1) while breathing air, i.e. during normoxia; (2) 1 h after initiating exposure to a FiO2 of 0.08, a FiCO2 of 0.035 and a FiN2 of 0.885, i.e. durin...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000139121

    authors: du Souich P,Hartemann D,Saunier C

    更新日期:1993-12-01 00:00:00

  • Age-dependent changes in the myocardial adenylate cyclase of normotensive and spontaneously hypertensive rat.

    abstract::The activity of myocardial adenylate cyclase from two age groups (10-11 and 18-19 weeks old, respectively) of male spontaneously hypertensive rats (SHR) and their age-matched normotensive Wistar-Kyoto rats (WKY) was examined. Stimulation of the enzyme by isoproterenol and 5'-guanylyl-imidodiphosphate (GMP-PNP) was dec...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000137488

    authors: Chiu TH

    更新日期:1981-01-01 00:00:00

  • Acebutolol-induced decrease of mononuclear leukocyte beta-adrenoceptors in hypertension.

    abstract::The regulatory action exerted on receptors by acebutolol, a cardioselective beta-blocker containing intrinsic sympathomimetic activity, has been investigated. beta-Adrenoceptor affinity and density of human mononuclear leukocytes were assayed in hypertensive patients before and after treatment with 400 mg/day acebutol...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000138132

    authors: Basso A,Piantanelli L,Cognini G,Giunta S,Andreoni A,Paciaroni E

    更新日期:1985-01-01 00:00:00

  • Comparative pharmacology of zinc mesoporphyrin and tin mesoporphyrin: toxic actions of zinc mesoporphyrin on hematopoiesis and progenitor cell mobilization.

    abstract::The effects of two synthetic heme analogues, zinc mesoporphyrin (ZnMP) and tin mesoporphyrin (SnMP), on in vivo hematopoietic progenitor cell mobilization and in vitro hematopoiesis were examined in rabbit bone marrow. Rabbits received granulocyte colony-stimulating factor (rhG-CSF) for 7 days in order to mobilize inc...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000028267

    authors: Lutton JD,Jiang S,Drummond GS,Abraham NG,Kappas A

    更新日期:1999-01-01 00:00:00

  • Effect of isocaloric diets and sibutramine on food intake, body mass variation and serum TNF-alpha levels in rats.

    abstract:BACKGROUND/AIM:The effect of isocaloric diets and sibutramine on dietary behaviour and TNF-alpha is poorly understood. The aim of the study was to investigate the effects of isocaloric diets and sibutramine on food intake, body mass variation and serum TNF-alpha in free-feeding rats. METHODS:Three groups of male Wista...

    journal_title:Pharmacology

    pub_type: 杂志文章

    doi:10.1159/000127363

    authors: Trapali M,Liapi C,Perelas A,Perrea D,Stroubini T,Dontas I,Couvari E,Mavri M,Galanopoulou P

    更新日期:2008-01-01 00:00:00