Abstract：
:Exposure to cold (4 degrees C) of catheterized rats acclimated to 20 degrees C resulted in a progressive increase in plasma noradrenaline (NA) concentrations which reached values consistently more than twice the basal ones (20 degrees C) by about 30 min. No further increase in plasma NA levels were detected when the cold exposure was continued for 24 h. Plasma adrenaline (A) and dopamine levels did not change at any time studied. Adrenalectomized rats exposed to cold exhibited percent rises in plasma NA similar to those in intact rats. An increase in plasma A levels concomitant with that of NA was observed following exposure to cold of rats in which either basal catecholamine release was impaired by chlorisondamine or the vasoconstrictor response was impeded by phentolamine. Propranolol did not modify the acute neurosympathetic response to cold. Exposure to cold (4 degrees C) for short periods of time combined with the measurement of plasma catecholamines is proposed as a useful and reproducible method for studying a pure neurosympathetic response in the rat.
journal_name
Eur J Pharmacoljournal_title
European journal of pharmacologyauthors
Picotti GB,Carruba MO,Ravazzani C,Cesura AM,Galva MD,Da Prada Mdoi
10.1016/0014-2999(81)90478-7subject
Has Abstractpub_date
1981-01-29 00:00:00pages
321-9issue
3eissn
0014-2999issn
1879-0712pii
0014-2999(81)90478-7journal_volume
69pub_type
杂志文章abstract：:Pentobarbital anesthetized rats subjected to Noble-Collip drum trauma developed a shock state characterized by marked hypotension, increases in plasma cathepsin D (9.6-fold), free amino-nitrogen (4.0-fold), and myocardial depressant factor (5.2-fold) activities, and a survival time of 1.90 +/- 0.23 h. Following the in...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(90)90487-q
更新日期：1990-06-21 00:00:00
abstract：:An 125I-iodinated ryanodine analog, modified by attaching an iodo-Cbz-beta-alanyl group to the C10eq hydroxy of ryanodine (iodo-carbobenzyloxy-beta-alanyl-ryanodine), binds to cardiac sarcoplasmic reticulum Ca2+ release channels with equal affinity as [3H]ryanodine. In the present study, both iodo-Cbz-beta-alanyl-ryan...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0922-4106(94)90061-2
更新日期：1994-08-16 00:00:00
abstract：:The cardiac plexus, which contains parasympathetic ganglia, plays an important role in regulating cardiac function. Histamine is known to excite intracardiac ganglion neurons, but the underlying mechanism is obscure. In the present study, therefore, the effect of histamine on rat intracardiac ganglion neurons was inve...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2020.173536
更新日期：2020-11-05 00:00:00
abstract：:Type 1 diabetes (T1D) is a multifactorial autoimmune disease that develops as a consequence of macrophage- and T cell-dependent pancreatic β-cell death. Multiple approaches for induction of anti-inflammatory/regulatory mechanisms that would attenuate T1D have been utilized, with little or no beneficial effects. To ach...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2019.172721
更新日期：2019-12-01 00:00:00
abstract：:In view of the co-localization of spinal delta- and kappa-opioid receptors, we have investigated the interaction of selective opioid receptor agonists and antagonists in the spinal cord of mice in order to determine if these receptors are organized as heteromers. The finding that norbinaltorphimine (kappa) antagonized...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(03)01599-1
更新日期：2003-04-25 00:00:00
abstract：:Alzheimer's disease (AD) is a neurodegenerative disorder characterized by progressive loss of memory and cognitive deficit. The observed amnesia in the early stages of AD is suggested to be a retrieval problem, rather than encoding and consolidation deficit. According to the cholinergic hypothesis of AD, scopolamine i...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2017.12.007
更新日期：2018-01-15 00:00:00
abstract：:Endogenous inhibitory controls were studied in the spinal nerve ligation model of neuropathic pain. Atipamezole, a selective alpha2-adrenoceptor antagonist, produced both mechanical and cold allodynia in those rats which had not developed clear neuropathic symptoms. The same doses (50 microg i.t. or 1 mg/kg s.c.) did ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(98)00910-8
更新日期：1999-01-29 00:00:00
abstract：:The ability of flunarizine to terminate ouabain-induced ventricular tachycardia was investigated in conscious dogs. These arrhythmias result from triggered activity based on delayed afterdepolarizations. Sustained ventricular tachycardia was induced by ouabain (48 +/- 6 micrograms/kg) and pacing in 13 animals with sur...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(89)90780-2
更新日期：1989-06-08 00:00:00
abstract：:meta-Substituted 2-chlorophenyl(imino)imidazolidines of the clonidine-type (2,3- and 2,5-substituted derivatives) were used in attempts to discriminate between alpha-adrenergic effects (central hypotensive and peripheral hypertensive activities) in rats. The central hypotensive activity of four pairs of substitution i...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(81)90185-0
更新日期：1981-05-22 00:00:00
abstract：:The vasodilator profile of synthetic atrial natriuretic factor (ANF) was characterized using isolated vascular preparations. Nanomolar concentrations of ANF relaxed rabbit aortic rings contracted by serotonin, histamine, methoxamine or angiotensin II. The synthetic peptide was most effective (IC50 = 1.3 X 10(-10) M) i...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(84)90353-4
更新日期：1984-06-15 00:00:00
abstract：:Cysteamine (420 mg/kg s.c.) increased gastric acid secretion in rats 3-6 h post-injection; duodenal pH fell from 6.0 +/- 0.2 (S.E.M.) at 0 time to 2.2 +/- 0.3 at 12 h. A high (60-80%) incidence of duodenal ulcerations was observed 18 h after cysteamine injection. Intracisternal (i.c.) administration of bombesin (1 mic...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(82)90203-5
更新日期：1982-10-22 00:00:00
abstract：:The aim of this study was to investigate the contribution of the Na(+)/H(+) exchanger to cerebral ischemia using SM-20220 (N-(aminoiminomethyl)-1-methyl-1H-indole-2-carboxamide methanesulfonate), a newly synthesized compound. In in vitro experiments, we evaluated the inhibitory effect of SM-20220 on the Na(+)/H(+) exc...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(99)00645-7
更新日期：1999-10-27 00:00:00
abstract：:In the Brattleboro rat with diabetes insipidus vasopressin V2 receptor mRNA and the mRNA of various adenylyl cyclase (AC) isoforms are moderately reduced compared with those of normal rats. In the present study renal vasopressin V2 receptor mRNA was modestly higher (by 34%), as was expression of AC 5, 6 and 9 mRNAs (u...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(97)01461-1
更新日期：1998-01-02 00:00:00
abstract：:Epristeride, a 5alpha-reductase inhibitor, decreases prostate size and improves symptoms in men with benign prostatic hyperplasia. However, little is known about the histopathology of the prostate after treatment with epristeride. To study the relationship between apoptosis and the mechanism of epristeride in the trea...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(99)00109-0
更新日期：1999-04-29 00:00:00
abstract：:Corticotropin-releasing factor (CRF) regulates the hypothalamic-pituitary-adrenal axis, coordinates the mammalian stress response, and acting primarily via the CRF(1) receptor, has been strongly implicated in the pathophysiology of depression and anxiety. Furthermore, the behavioral and autonomic activation that occur...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2007.05.041
更新日期：2007-09-24 00:00:00
abstract：:Existing antimuscarinic drugs for overactive bladder have high affinity for M(3)/M(1) muscarinic receptors and consequently produce M(3)/M(1)-mediated adverse effects including dry mouth, constipation, mydriasis and somnolence. TD-6301 is a M(2/4) muscarinic receptor-selective antagonist developed for the treatment of...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2008.12.043
更新日期：2009-03-01 00:00:00
abstract：:Contractile responses to endothelin, 5-hydroxytryptamine (5-HT), noradrenaline and potassium were obtained on isolated preparations of pulmonary artery from rats made pulmonary hypertensive by an injection of monocrotaline (105 mg/kg s.c.) 4 weeks previously. When compared with data obtained in control rats, the poten...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(90)90524-a
更新日期：1990-02-06 00:00:00
abstract：:Adriamycin-induced nephrosis in rats is a commonly used experimental model for pharmacological studies of human chronic renal diseases. Adriamycin-induced apoptosis of renal tubular cells has been reported in adriamycin-treated rats. In addition, prostacyclin (PGI(2)) is known to have various protective effects on man...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2005.10.057
更新日期：2006-01-04 00:00:00
abstract：:The effects of Bay K 8644 and of nifedipine on histamine-induced mechanical and electrical responses were studied in the longitudinal smooth muscle of the ileum and in the taenia coli isolated from the guinea-pig. Nifedipine (10(-9)-10(-7) M) depressed the tonic and phasic components of histamine contraction. Phasic t...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(87)90758-8
更新日期：1987-03-03 00:00:00
abstract：:The effect of diethyldithiocarbamate (DETC, 10(-3) M) on the vasorelaxant activity of acetylcholine, nitric oxide (NO), nitrite, glyceryl trinitrate or dinitrosyl iron cysteine complexes was studied in isolated rat aortic rings contracted with norepinephrine. Pretreatment of these segments with DETC attenuated the vas...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(92)90085-i
更新日期：1992-02-25 00:00:00
abstract：:The protective effect of coenzyme Q10 against testicular toxicity induced by sodium arsenite (10mg/kg/day, orally for two consecutive days) was investigated in rats. Coenzyme Q10 treatment (10mg/kg/day, i.p.) was applied for five consecutive days, starting three days before arsenite administration. Coenzyme Q10 signif...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2010.12.045
更新日期：2011-03-25 00:00:00
abstract：:Since orally administered K+ channel openers may have cardiovascular side effects, it is possible that inhaled administration would be preferred for the treatment of asthma. We have investigated whether inhaled levcromakalim and HOE 234 inhibit histamine-induced bronchoconstriction and airway plasma exudation in anaes...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(95)00670-2
更新日期：1996-01-18 00:00:00
abstract：:In neuropathic rats sensitive to phentolamine (alpha-adrenoreceptor antagonist, 2 mg/kg, i.p.), prazosin (alpha1-adrenoreceptor antagonist, 0.5 mg/kg, i.p.) significantly attenuated cold allodynia whereas yohimbine (alpha2-adrenoreceptor antagonist, 0.5 mg/kg, i.p.) had no significant effect. In neuropathic rats insen...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2005.08.030
更新日期：2005-10-31 00:00:00
abstract：:Recent studies have suggested that hydrogen sulfide (H2S), an important endogenous signaling gaseous molecule, participates in relaxation of smooth muscle. Nevertheless, the mechanism of this relaxation effect on respiratory system is still unclear. The present study aims to investigate the physiological function as w...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2014.07.004
更新日期：2014-10-15 00:00:00
abstract：:Berberine, which is a major constituent of the rhizome of Coptidis japonica (CJ), inhibits IL-8 production in colonic epithelial cells and improves 2,4,6-trinitrobenzene sulfonic acid (TNBS)-induced colitis in mice. In our preliminary studies, berberine inhibited lipid peroxidation in liposomes prepared from l-α-phosp...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2010.08.046
更新日期：2010-12-01 00:00:00
abstract：:We have tested for anti-nociceptive effects of the anticonvulsant KCNQ channel opener, N-(2-amino-4-(4-fluorobenzylamino)-phenyl)carbamic acid ethyl ester (retigabine), in rat models of experimental pain. In the chronic constriction injury and spared nerve models of neuropathic pain, injection of retigabine (5 and 20 ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(02)02924-2
更新日期：2003-01-24 00:00:00
abstract：:Paeoniflorin (PF) is the main active ingredients of radix paeoniae rubra and radix paeoniae alba, which are used widely in Traditional Chinese Medicine. This study aimed to assess the capacity of PF to inhibit imiquimod (IMQ)-induced psoriasis. Mice treated with IMQ were divided into four groups and administered 240mg...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2015.12.040
更新日期：2016-02-05 00:00:00
abstract：:[N-methyl-Nle 28,31)]cholecystokinin-(26-33) (SNF 8702) is a highly selective ligand for the CCKB type of receptor present in the vertebrate central nervous system. Radioligand binding data showing that SNF 8702 binding affinity is reduced by the GTP analog guanylyl-imidodiphosphate suggest that SNF 8702 is an agonist...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0922-4106(94)90079-5
更新日期：1994-10-14 00:00:00
abstract：:Renal mesangial cells express secretory phospholipase A2 in response to two principal classes of activating signals that may interact in a synergistic fashion. These two groups of activators comprise inflammatory cytokines, such as interleukin 1 beta, and agents that elevate cellular levels of cAMP. Treatment of mesan...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(96)00203-8
更新日期：1996-06-13 00:00:00
abstract：:Guinea pig neurotensin differs from other mammalian neurotensin by the substitution of proline by serine at position 7. [Ser7]neurotensin produced a concentration-dependent contraction of the guinea pig oesophagus and rat fundus, a biphasic effect (initial relaxation followed by more sustained contraction) on the guin...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(87)90293-7
更新日期：1987-08-21 00:00:00
