An assessment of the role of the sympathetic nervous system in experimental hypertension using normal and immunosympathectomized rats.

abstract：UNLABELLED:Midkine (MK) is a heparin-binding growth factor or cytokine and forms a small protein family, the other member of which is pleiotrophin. MK enhances survival, migration, cytokine expression, differentiation and other activities of target cells. MK is involved in various physiological processes, such as devel...

journal_title：British journal of pharmacology

authors： Muramatsu T

更新日期：2014-02-01 00:00:00

abstract：:(1) We have investigated the properties of native and haemagglutinin (HA)-tagged neuropeptide Y (NPY) Y(1) receptors after mutation of the palmitoylation site Cys(337) to Ser or Ala. (2) In Chinese hamster ovary cells expressing similar receptor levels, the C337A mutation abolished incorporation of [(3)H]palmitic acid...

journal_title：British journal of pharmacology

authors： Holliday ND,Cox HM

更新日期：2003-06-01 00:00:00

abstract：:1 Pretreatment of dogs for 20 to 24 h before the start of experiments with reserpine (0.5 mg/kg) depleted noradrenaline from cerebral and mesenteric arteries, the diminution being greater in the latter arteries. 2 Contractile responses of helically-cut strips of cerebral and mesenteric arteries to noradrenaline were u...

journal_title：British journal of pharmacology

authors： Hayashi S,Miyazaki M,Toda N

更新日期：1980-03-01 00:00:00

abstract：:Cyclic adenosine monophosphate (cAMP) is one of the second messengers critically involved in the molecular mechanisms underlying memory formation. In the CNS, the availability of cAMP is tightly controlled by phosphodiesterase 4 (PDE4), a family of enzymes that degrades the cyclic nucleotide to inactive AMP. Among the...

journal_title：British journal of pharmacology

authors： Ricciarelli R,Fedele E

更新日期：2015-10-01 00:00:00

abstract：:1. The effects of the putative gap junction uncoupler, 1-heptanol, on the neurogenic and myogenic contractile responses of guinea-pig vas deferens were studied in vitro. 2. Superfusion of 2.0 mM heptanol for 20-30 min produced the following reversible changes in the biphasic neurogenic contractile response (8 trials):...

journal_title：British journal of pharmacology

authors： Venkateswarlu K,Dange SY,Manchanda R

更新日期：1999-01-01 00:00:00

abstract：:1. The present study was designed to investigate tolerance to several pharmacological effects of apomorphine. 2. Changes in blood pressure, heart rate, plasma noradrenaline levels, rectal temperature, respiratory rate and retching plus vomiting were compared after administration of apomorphine (200 micrograms kg-1, i....

journal_title：British journal of pharmacology

authors： Montastruc JL,Llau ME,Senard JM,Tran MA,Rascol O,Montastruc P

更新日期：1996-03-01 00:00:00

abstract：:Ever increasing use of engineered carbon nanoparticles in nanopharmacology for selective imaging, sensor or drug delivery systems has increased the potential for blood platelet-nanoparticle interactions. We studied the effects of engineered and combustion-derived carbon nanoparticles on human platelet aggregation in v...

journal_title：British journal of pharmacology

authors： Radomski A,Jurasz P,Alonso-Escolano D,Drews M,Morandi M,Malinski T,Radomski MW

更新日期：2005-11-01 00:00:00

abstract：:1. The effects of the nonpeptide angiotensin II receptor (AT) antagonists losartan and PD 123319 on actions of angiotensin II in the rat caudal artery and rat vas deferens preparations were investigated. 2. Angiotensin II (1.0 microM) increased perfusion pressure in isolated segments of the rat caudal artery. This inc...

journal_title：British journal of pharmacology

authors： Cox SL,Ben A,Story DF,Ziogas J

更新日期：1995-03-01 00:00:00

abstract：:1. We investigated the role of nitric oxide (NO) in modulating spinal synaptic responses evoked by electrical and noxious sensory stimuli in the neonatal rat spinal cord in vitro. 2. Potentials were recorded extracellularly from a ventral root (L3-L5) of the isolated spinal cord preparation or spinal cord-saphenous ne...

journal_title：British journal of pharmacology

authors： Kurihara T,Yoshioka K

更新日期：1996-08-01 00:00:00

abstract：:1. Diadenosine tetraphosphate (Ap4A) a dinucleotide stored and released from rat brain synaptic terminals presents two types of affinity binding sites in synaptosomes. When [3H]-Ap4A was used for binding studies a Kd value of 0.10 +/- 0.014 nM and a Bmax value of 16.6 +/- 1.2 fmol mg-1 protein were obtained for the hi...

journal_title：British journal of pharmacology

authors： Pintor J,Díaz-Rey MA,Miras-Portugal MT

更新日期：1993-04-01 00:00:00

abstract：:1. Tyrosine kinases have been proposed as regulators of voltage-operated calcium channels. The effects of a range of structurally different inhibitors of protein tyrosine kinases (PTK) were examined on voltage-operated calcium channel currents (I(Ba)) and pp60(c-src) kinase (c-src) activity in vitro. 2. I(Ba) was meas...

journal_title：British journal of pharmacology

authors： Wijetunge S,Lymn JS,Hughes AD

更新日期：2000-04-01 00:00:00

abstract：:Some 865 genes in man encode G-protein-coupled receptors (GPCRs). The heterotrimeric guanine nucleotide-binding proteins (G-proteins) function to transduce signals from this vast panoply of receptors to effector systems including ion channels and enzymes that alter the rate of production, release or degradation of int...

journal_title：British journal of pharmacology

authors： Milligan G,Kostenis E

更新日期：2006-01-01 00:00:00

abstract：:The administration of arachidonic acid (AA) to the isolated perfused heart of the rat usually produced biphasic coronary responses characterized by initial vasoconstriction followed by prolonged vasodilatation. However, some responses were predominantly vasoconstrictor or vasodilator. The non-steroidal anti-inflammato...

journal_title：British journal of pharmacology

authors： Belo SE,Talesnik J

更新日期：1982-02-01 00:00:00

abstract：:Translational sciences increasingly emphasize the measurement of functions in native human tissues. However, such studies must confront variations in patient age, gender, genetic background and disease. Here, these are discussed with reference to neuromuscular and neurosecretory functions of the human gastrointestinal...

journal_title：British journal of pharmacology

authors： Sanger GJ,Broad J,Kung V,Knowles CH

更新日期：2013-01-01 00:00:00

abstract：:1. Sodium nitroprusside, S-nitroso-N-acetyl-D,L-penicillamine, Spermine NONOate and DEA NONOate raised cyclic GMP levels in bovine chromaffin cells in a time and concentration dependent manner with different potencies, the most potent being DEA/NO with an EC50 value of 0.38 +/- 0.02 microM. 2. Measurements of NO relea...

journal_title：British journal of pharmacology

authors： Ferrero R,Rodríguez-Pascual F,Miras-Portugal MT,Torres M

更新日期：1999-06-01 00:00:00

abstract：:1. The aim of this study was to characterize the pharmacological profile of the GABA(B1)/GABA(B2) heterodimeric receptor expressed in Chinese hamster ovary (CHO) cells. We have compared receptor binding affinity and functional activity for a series of agonists and antagonists. 2. The chimeric G-protein, G(qi5), was us...

journal_title：British journal of pharmacology

authors： Wood MD,Murkitt KL,Rice SQ,Testa T,Punia PK,Stammers M,Jenkins O,Elshourbagy NA,Shabon U,Taylor SJ,Gager TL,Minton J,Hirst WD,Price GW,Pangalos M

更新日期：2000-11-01 00:00:00

abstract：:1. The signal transduction pathway for vasorelaxation induced by human alpha-calcitonin gene-related peptide (human alpha-CGRP) was studied in rat thoracic aortic rings preconstricted with noradrenaline (10(-7) M). 2. Vasorelaxation by human alpha-CGRP was inhibited by haemoglobin (10(-6) M) and methylene blue (10(-5)...

journal_title：British journal of pharmacology

authors： Gray DW,Marshall I

更新日期：1992-11-01 00:00:00

abstract：:1. A single i.p. injection of bacterial endotoxin in rats (3.5 mg kg-1) caused lung injury assessed as changes in lung dry:wet weight ratio and leukopaenia over the subsequent 28 h. 2. This treatment also slowed the efflux of 14C from [14C]-prostaglandin E2 (PGE2), i.e., increased t1/2 and increased the survival of PG...

journal_title：British journal of pharmacology

authors： Izumi T,Bakhle YS

更新日期：1988-04-01 00:00:00

abstract：:1. The effects of the intravenous injection of Kö 1173, a new anticonvulsant drug, phenytoin and procainamide were studied on three types of cardiac arrhythmia in dogs.2. Ventricular ectopic beats produced by intravenous injection of adrenaline in anaesthetized dogs respired with halothane were abolished by Kö 1173, 0...

journal_title：British journal of pharmacology

authors： Allen JD,Ekue JM,Shanks RG,Zaidi SA

更新日期：1972-08-01 00:00:00

abstract：:1. The effects of chronic dietary supplementation with omega 3 polyunsaturated fatty acids on endothelium-dependent relaxations were examined in isolated coronary microvessels of the pig. 2. Animals were maintained for four weeks with or without dietary supplementation of purified eicosapentaenoic acid (3.5 g daily) a...

journal_title：British journal of pharmacology

authors： Shimokawa H,Aarhus LL,Vanhoutte PM

更新日期：1988-12-01 00:00:00

abstract：:The effects of injection of 3,4-methylenedioxymethamphetamine (MDMA), 3,4-methylenedioxyamphetamine (MDA) and N-ethyl-3,4-methylenedioxyamphetamine (MDEA) (all 20 mg kg(-1)) on blood pressure, heart rate, core body temperature and locomotor activity in conscious rats were investigated using radiotelemetry. MDMA and MD...

journal_title：British journal of pharmacology

authors： Bexis S,Docherty JR

更新日期：2006-04-01 00:00:00

abstract：:1. The vasodilator response to acetylcholine (ACh) was investigated in the aortic arches of the leopard frog (Rana pipiens). 2. With adrenaline pre-constricted preparations, both ACh and sodium nitroprusside (SNP) caused concentration-dependent relaxations. Damage to the endothelial layer abolished relaxations to ACh,...

journal_title：British journal of pharmacology

authors： Knight GE,Burnstock G

更新日期：1996-07-01 00:00:00

abstract：:1. The beta-adrenoceptor blocking and calcitonin gene-related peptide (CGRP)-releasing properties of capsinolol (N-[4-(2-hydroxy-3 (isopropylamino) propoxy)-3-methoxybenzyl]-nonanamide), derived from nonivamide, were investigated under in vivo and in vitro conditions. 2. Capsinolol (0.1, 0.5, 1.0 mg kg-1, i.v.), as we...

journal_title：British journal of pharmacology

authors： Chen IJ,Yeh JL,Lo YC,Sheu SH,Lin YT

更新日期：1996-09-01 00:00:00

abstract：:The concentration of intracellular free Ca2+ ( [Ca2+]i) in human blood platelets was measured by use of the fluorescent probe quin-2. 5-Hydroxytryptamine (5-HT) caused a rapid increase of [Ca2+]i in the presence or absence of Ca2+ in the medium. The [Ca2+]i-rise was less marked in the absence of Ca2+ and could be anta...

journal_title：British journal of pharmacology

authors： Erne P,Pletscher A

更新日期：1985-02-01 00:00:00

abstract：:1. The present study was designed to test the hypothesis that beneficial effects of angiotensin converting enzyme (ACE)inhibitors are independent of a fall in blood pressure in rat experimental heart failure following coronary ligation. 2. The animals were assigned randomly to six groups; sham operation, controls subj...

journal_title：British journal of pharmacology

authors： Chiba K,Moriyama S,Ishigai Y,Fukuzawa A,Irie K,Shibano T

更新日期：1994-07-01 00:00:00

abstract：:Bovine culture endothelial cells (BAECs) generate platelet-activating factor (Paf) following activation by bradykinin (Bk 0.1 nM), the ionophore, A23187 (3 microM), and ATP (10 microM), but Paf is not released from the cells. These stimuli also elicit generation of prostacyclin (PGI2). The specific and competitive Paf...

journal_title：British journal of pharmacology

authors： Stewart AG,Dubbin PN,Harris T,Dusting GJ

更新日期：1989-03-01 00:00:00

abstract：:1. Ca2+ buffering function of sarcoplasmic reticulum (SR) in the resting state of arteries from spontaneously hypertensive rats (SHR) was examined. Differences in the effects of cyclopiazonic acid (CPA) and thapsigargin, agents which inhibit the Ca(2+)-ATPase of SR, on tension and cellular Ca2+ level were assessed in ...

journal_title：British journal of pharmacology

authors： Nomura Y,Asano M,Ito K,Uyama Y,Imaizumi Y,Watanabe M

更新日期：1997-01-01 00:00:00

abstract：:1. N-methyl-gamma-aminobutyrate (N-methylGABA), N-methylglycine, N-methyltaurine and N-methylbeta-alanine diminished the frequency of spontaneous spike discharges in guinea-pig cerebellar slices. Usually a weak excitatory effect preceded the inhibition. 2. The inhibitory effects of N-methylGABA and N-methylbeta-alanin...

journal_title：British journal of pharmacology

authors： Okamoto K,Quastel JH

更新日期：1977-04-01 00:00:00

abstract：:1. The specificity of several ganglion stimulants has been tested on the isolated guinea-pig ileum by measuring the dose ratios produced by concentrations of hexamethonium.2. Most ganglion stimulants are also active at postganglionic receptors, some as blocking agents (for example, lobeline and dimethylphenylpiperazin...

journal_title：British journal of pharmacology

authors： Barlow RB,Franks F

更新日期：1971-05-01 00:00:00

abstract：:Substance P and substance K (neurokinin A) (dose range: 0.08-80 nmol kg-1) were tested for their effects on gastrointestinal propulsion in the rat. The peptides were given by intraperitoneal injection concurrently with the intragastric administration of a test meal containing charcoal and 51Cr. Examination 3 min after...

journal_title：British journal of pharmacology

authors： Holzer P

更新日期：1985-09-01 00:00:00