Morphometric and functional changes of rat pituitary somatotropes and lactotropes after central administration of somatostatin.

abstract：:Various attempts to developing antagonists for substance P (SP) and related peptides, based on our past experience with angiotensin, kinins, and neurotensin, were unsuccessful. The particular features of SP, namely the high activity of C-terminal partial sequences in some pharmacological tests were used to develop one...

journal_title：Pharmacology

authors： Regoli D,Escher E,Mizrahi J

更新日期：1984-01-01 00:00:00

abstract：:The isolated whole stomach of the mouse has been used to study the effect of atropine on gastic acid secretion stimulated by acetylcholine, bethanechol and histamine. Atropine inhibited acid secretory response to acetylcholine and bethanechol in a competitive manner. The following pA2 values for atropine were calculat...

journal_title：Pharmacology

authors： Szelenyi I,Vergin H

更新日期：1980-01-01 00:00:00

abstract：:The effects of sammarium (Sm3+) on drug responsiveness of the isolated guinea pig ileum were studied. The lanthanid at the concentration of 2x10(-4) M reduced responsiveness to acetylcholine, histamine and submaximal concentrations of potassium. The maximum response to potassium and the responsiveness to barium remain...

journal_title：Pharmacology

authors： Turrin MA,De Moraes S

更新日期：1977-01-01 00:00:00

abstract：:We determined the susceptibility of two ages of rat pups to become tolerant to and dependent on morphine infusions from osmotic minipumps. Neonatal rats (postnatal day 6; P6) were infused for 72 h with morphine at 0.175 or 0.7 mg/kg/h. On P9, morphine's antinociceptive efficacy was reduced in both groups. P14 infant r...

journal_title：Pharmacology

authors： Stoller DC,Thornton SR,Smith FL

更新日期：2002-09-01 00:00:00

abstract：:Previous studies have demonstrated that calcium storage and release from IP3-dependent sites in the sarcoplasmic reticulum play an important role in the contractile response of the rabbit urinary bladder to both field stimulation (mediated via neurotransmitter release) and bethanechol (direct muscarinic stimulation). ...

journal_title：Pharmacology

authors： Levin RM,Nicholas TJ,Snitkoff GG,Mandell J,Russell D,Wilbur HJ,Mogavero LJ

更新日期：1997-12-01 00:00:00

abstract：:Three doses (0.31, 3.1 and 31 mg/kg) of methotrexate (MTX) were given intravenously to rats. The resulting concentration-time curves in plasma (normalized by dividing the plasma concentration by a multiple of the dose) were not superimposable, indicating nonlinear plasma pharmacokinetics. In liver, kidney, bone marrow...

journal_title：Pharmacology

authors： Scheufler E

更新日期：1982-01-01 00:00:00

abstract：:The objective of this study was to determine the effects of hypercholesterolemia on basal vascular tone and vascular responses to pharmacologic agents in hindquarter resistance vessels. Blood pressure and hindquarter blood flow were measured in conscious rabbits fed a high cholesterol diet (1%) for 17 weeks (HC) compa...

journal_title：Pharmacology

authors： Fitch R,Da Cunha V,Kauser K,Dole W,Parkinson J,Vergona R,Sullivan ME,Wang YX

更新日期：2001-01-01 00:00:00

abstract：:We evaluated the effects of sodium alginate (AL-Na) on dextran sulfate sodium (DSS)- and 2,4,6-trinitrobenzene sulfonic acid (TNBS)-induced colitis in mice. DSS was added to the drinking water for 7 days. In another experiment, DSS was added to the drinking water for 5 days and DSS-free water was provided thereafter. ...

journal_title：Pharmacology

authors： Yamamoto A,Itoh T,Nasu R,Nishida R

更新日期：2013-01-01 00:00:00

abstract：BACKGROUND/AIMS:Since beta-adrenoceptors have been shown to affect cardiac gap junction channels, we wanted to elucidate the possible effect of metoprolol on the gap junction protein connexin-43, using racemic RS-metoprolol or the isomer R-metoprolol (no beta-adrenoceptor blockade) or S-metoprolol (beta(1)-adrenoceptor...

journal_title：Pharmacology

authors： Salameh A,Blanke K,Dhein S,Janousek J

更新日期：2010-01-01 00:00:00

abstract：:Combination therapy with antiretroviral drugs is used for the treatment of patients infected with the human immunodeficiency virus. To achieve optimal drug concentrations for viral suppression and avoidance of drug toxicity, monitoring of drug levels has been considered essential. We set up an analytical procedure for...

journal_title：Pharmacology

authors： Donnerer J,Kronawetter M,Kapper A,Haas I,Kessler HH

更新日期：2003-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Stepwise propofol target-controlled infusion (TCI) can achieve a less disturbed condition of hemodynamics and respiration. Its combination with dexmedetomidine may have some advantages for patients. We studied the effects of different loading doses of dexmedetomidine on the bispectral index (BIS)...

journal_title：Pharmacology

authors： Wang T,Ge S,Xiong W,Zhou P,Cang J,Xue Z

更新日期：2013-01-01 00:00:00

abstract：:The effect of 4-[3,5-bis(trimethylsilyl)benzamido] benzoic acid (TAC-101), one of the synthetic retinoids, on collagen-induced arthritis (CIA) in mice and experimental autoimmune encephalomyelitis (EAE) in rats was studied. TAC-101 at doses of 5 and 20 mg/kg clearly inhibited the development of CIA in terms of the swe...

journal_title：Pharmacology

authors： Miyagawa N,Homma T,Kagechika H,Shudo K,Nagai H

更新日期：2003-01-01 00:00:00

abstract：:Using a discrete-trial avoidance-escape schedule in rats the interactions of morphine (M), chlorpromazine (C) and Haloperidol (H) were studied. All three drugs given alone or in combination disrupted operant behavior. At low doses C and H potentiated each other's effect, while at high doses antagonism could be observe...

journal_title：Pharmacology

authors： Tarnawa I,Székely JI

更新日期：1980-01-01 00:00:00

abstract：:The use of angiotensin converting enzyme (ACE) inhibitors in combination with diuretics is a common strategy used for the treatment of patients affected by heart failure. An infant affected by initial congestive cardiac failure, after starting the treatment with enalapril in association with furosemide, developed acut...

journal_title：Pharmacology

authors： Fabiano V,Carnovale C,Gentili M,Radice S,Zuccotti GV,Clementi E,Perrotta C,Mameli C

更新日期：2016-01-01 00:00:00

abstract：:Particulate fractions of myocardium taken from spontaneously hypertensive rats (SHR) contained an adenylate cyclase system that was less responsive than normotensive Wistar Kyoto rats to norepinephrine, isoproterenol (mixed beta-agonist), salbutamol (beta 2-agonist), dobutamine (beta 1-agonist), dopamine, histamine, a...

journal_title：Pharmacology

authors： Palmer GC,Greenberg S

更新日期：1979-01-01 00:00:00

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

authors： du Souich P,Hartemann D,Saunier C

更新日期：1993-12-01 00:00:00

abstract：BACKGROUND/AIMS:Functional linkages between the cannabinoid CB(1) and the dopaminergic systems have been reported although the observations and the mechanisms hypothesizing their interactions at the G protein-coupled receptor (GPCR) functionality level are conflicting. METHODS:Administration of a potent cannabinoid ag...

journal_title：Pharmacology

authors： Nguyen VH,Wang H,Verdurand M,Zavitsanou K

更新日期：2012-01-01 00:00:00

abstract：:In a randomized three-phase crossover study, 12 healthy male volunteers were given three 12-hourly 500-mg doses of erythromycin base, as enteric coated pellets in capsules (2 X 250 mg), erythromycin stearate tablet (1 X 500 mg), or erythromycin ethylsuccinate sachet (1 X 500 mg). The reaction time after administration...

journal_title：Pharmacology

authors： Tjandramaga TB,Van Hecken A,Mullie A,Verbesselt R,De Schepper PJ,Verbist L,Josefsson K

更新日期：1984-01-01 00:00:00

abstract：:Cinnamedrine is an active ingredient in preparations used to relieve dysmenorrhea. It has been reported to have local anesthetic properties in nerve. This property prompted us to evaluate the effects of cinnamedrine on the cardiac action potential. Cinnamedrine (10-35 microM) significantly reduced the overshoot and ma...

journal_title：Pharmacology

authors： Arena JP,McArdle JJ,Argentieri TM

更新日期：1987-01-01 00:00:00

abstract：:The effect of morphine, fentanyl, pethidine and pentazocine was studied in gerbils against air blast-induced seizures. Major, generalized seizures were suppressed by morphine (ED50 = 4.0 mg/kg s.c.), fentanyl (ED50 = 64 micrograms/kg s.c.), and pethidine (ED50 = 2.4 mg/kg s.c.), but not by pentazocine. The anticonvuls...

journal_title：Pharmacology

authors： Frey HH

更新日期：1986-01-01 00:00:00

abstract：AIMS:Recent studies have reported that intracellular calcium (Ca(2+)) mobilization is involved in homocysteine (Hcy)-induced endothelial dysfunction and the Na(+)/H(+) exchanger (NHE) is responsible for an increase in the intracellular Ca(2+) concentration in cardiovascular disease. We hypothesized that inhibition of t...

journal_title：Pharmacology

authors： Wu S,Gao X,Yang S,Liu L,Ge B,Yang Q

更新日期：2013-01-01 00:00:00

abstract：:86Rb efflux assay was used to investigate the effect of cromakalim, pinacidil and P1075 in guinea pig urinary bladder strips. The type of K channel opened by cromakalim and pinacidil was determined using specific K channel blockers through 86Rb efflux assay in detrusor strips. Cromakalim, pinacidil and P1075 all three...

journal_title：Pharmacology

authors： Trivedi S,Stetz S,Levin R,Li J,Kau S

更新日期：1994-09-01 00:00:00

abstract：:In the present study, chronic treatment of atorvastatin was evaluated on isoproterenol-induced myocardial infarction. Male Sprague-Dawley rats (200 +/- 25 g) were randomized into the following four groups: (1) control group, (2) isoproterenol-treated group, (3) atorvastatin-treated group, and (4) isoproterenol- and at...

journal_title：Pharmacology

authors： Trivedi CJ,Balaraman R,Majithiya JB,Bothara SB

更新日期：2006-01-01 00:00:00

abstract：:Regional cerebral metabolic rates of glucose (rCMRglu) were measured in conscious rats grouped according to three treatments: control, bicuculline (5.5 mg/kg s.c.), and intracerebroventricular arginine vasopressin (0.5 micrograms/5 microliter). Rats in the latter group were pre-exposed to the peptide 48 h earlier to r...

journal_title：Pharmacology

authors： Wurpel JN,Dundore RL,Bryan RM Jr,Keil LC,Severs WB

更新日期：1988-01-01 00:00:00

abstract：UNLABELLED:We have reported that intermediate conductance Ca(2+)-activated K(+) channels (ImK) showed augmented expression in angiotensin II (AII) type 1 receptor-dependent manner in post-ischemic rat heart. ImK has tyrosine phosphorylation sequence in the C-terminus and motifs for NFkappaB and AP1 in the promoter. Whi...

journal_title：Pharmacology

authors： Terata Y,Saito T,Fujiwara Y,Hasegawa H,Miura H,Watanabe H,Chiba Y,Kibira S,Miura M

更新日期：2003-08-01 00:00:00

abstract：:The effects of nisoldipine on myocardial performance and large coronary artery diameter, resistance and cross-sectional area were studied in rabbit hearts in situ. Changes in mean internal diameter of coronary artery segments were visualized using color arteriography; changes were computer-calculated. Nisoldipine had ...

journal_title：Pharmacology

authors： Saito T,Saeed M,Bing RJ

更新日期：1988-01-01 00:00:00

abstract：:The effects of intraperitoneal pretreatment, 48 h beforehand, with zinc sulphate (22, 44 or 88 mg/kg) were studied on gastric ulceration, gastric secretion and changes in stomach wall mast cell counts induced after 4 h by reserpine (5 mg/kg) given intraperitoneally to intact (unoperated for pylorus occlusion) or pylor...

journal_title：Pharmacology

authors： Ogle CW,Cho CH

更新日期：1978-01-01 00:00:00

abstract：:Two groups of rats were used to examine the effect of pioglitazone, a peroxisome proliferator-activated receptor gamma (PPARgamma) agonist, on rat hearts using an in vivo model of ischemia-reperfusion (I/R) to elucidate potential mechanisms. One group was the 30-min reperfusion group, which was further subdivided into...

journal_title：Pharmacology

authors： Cao Z,Ye P,Long C,Chen K,Li X,Wang H

更新日期：2007-01-01 00:00:00

abstract：:Anoxia has been shown to potentiate the constrictor effects of 5-hydroxytryptamine (5HT) in isolated vascular tissue. In the present study, canine coronary arterial rings were incubated with various treatments and exposed to 5HT (4 X 10(-7) M) and anoxia (95% N2 and 5% CO2). Developed tension was increased by 250 +/- ...

journal_title：Pharmacology

authors： Barrett JA,DePaul Lynch V,Balkon J,Smith RD,Wolf PS

更新日期：1986-01-01 00:00:00

abstract：:The effects of the calcium channel antagonist nifedipine and the protein kinase C (PKC) inhibitor, staurosporine were examined on the pressor actions of a full, cirazoline, and a partial, St587, alpha 1-adrenoceptor agonist as well as the alpha 2-adrenoceptor agonist B-HT 920 in the pithed rat preparation. Administrat...

journal_title：Pharmacology

authors： Tabrizchi R,Triggle CR

更新日期：1991-01-01 00:00:00