Abstract:
:The present study was conducted to evaluate the effect of L-3, 4-dihydroxyphenylalanine (L-DOPA) on the daily rhythms of temperature, heart rate and locomotor activity in rats that received a 7-day continuous infusion. Our results indicate that L-DOPA does not induce a loss of the daily rhythmicity of temperature, heart rate and locomotor activity but modifies the main parameters of these rhythms, e.g. it increased the MESOR (midline estimating statistic of rhythm) of temperature and heart rate and increased the amplitude of temperature but decreased the amplitude of heart rate. Taking into account these results obtained after constant rate delivery, we now plan to investigate the effects of DOPA therapy by changing the time of its administration.
journal_name
Eur J Pharmacoljournal_title
European journal of pharmacologyauthors
Simon N,Mouchet J,Bruguerolle Bdoi
10.1016/s0014-2999(00)00422-2keywords:
subject
Has Abstractpub_date
2000-07-28 00:00:00pages
79-83issue
1eissn
0014-2999issn
1879-0712pii
S0014-2999(00)00422-2journal_volume
401pub_type
杂志文章abstract::In the present study the antagonism of fentanyl pharmacodynamics was studied in the mouse and the receptor populations mediating the analgesic and lethal effects of fentanyl were examined. Both 1 and 8 days following implantation (s.c.) of a 15 mg naltrexone pellet there was a significant shift to the right of the fen...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(91)90512-o
更新日期:1991-05-17 00:00:00
abstract::Subcutaneous injection of xylazine (0.1-3.0 mg/kg) produced a dose-dependent delay of small intestinal transit without affecting gastric emptying in the conscious mice. The xylazine-induced delay of small intestinal transit was antagonized by alpha 2-adrenoceptor antagonists, e.g., yohimbine, piperoxan and tolazoline....
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(82)90285-0
更新日期:1982-09-10 00:00:00
abstract::We isolated a novel peptide, calcitonin receptor-stimulating peptide-1 (CRSP-1), from porcine brain and found that the administration of this peptide into rats induced a transient decrease in plasma calcium concentration. Therefore, we investigated the effects of CRSP-1 on osteoclastogenesis. Osteoclast-like cells wer...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/j.ejphar.2007.01.034
更新日期:2007-04-10 00:00:00
abstract::Macrophage-stimulating protein (MSP) and its receptor, recepteur d'origine nantais (RON), play an important role in cell proliferation and migration. We have investigated the role of MSP in hydrogen peroxide (H2O2)-induced renal tubular apoptosis. Human renal proximal tubular (HK-2) cells were incubated with H2O2 for ...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/j.ejphar.2013.05.006
更新日期:2013-09-05 00:00:00
abstract::After prolonged stimulation, the delta-opioid receptor becomes desensitized by regulatory mechanisms such as receptor phosphorylation, internalization and down-regulation. In this study, we demonstrate that morphine treatment causes phosphorylation of S363 in the C-terminus of the human delta-opioid receptor. Morphine...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/j.ejphar.2005.07.024
更新日期:2005-09-20 00:00:00
abstract::Rat and human alpha- and beta-calcitonin gene-related peptide (CGRP), in the concentration range 1-100 nM, produced sustained relaxations of longitudinal muscle from the rat fundus and guinea pig gastric corpus. The peptides were equipotent and equally effective. Tetrodotoxin, adrenoceptor and purine receptor antagoni...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(89)90612-2
更新日期:1989-03-14 00:00:00
abstract::In 36 healthy subjects of various ages (14-76 years) the number of alpha 2-adrenergic receptors in platelets - as determined by [3H]yohimbine binding - and plasma catecholamine levels were measured. A highly significant negative correlation (r = -0.666, P less than 0.001) between the number of alpha 2-adrenergic recep...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(82)90456-3
更新日期:1982-07-09 00:00:00
abstract::Iron-mediated oxidative stress has been recognized as one of the leading causes of chronic kidney injury. The effect of L-type calcium channel (LTCC) blocker on iron overload has been shown in cardiomyocytes, liver cells, and nerve cells. So far, few studies have examined whether blockers improve kidney iron-mediated ...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/j.ejphar.2020.173513
更新日期:2020-11-05 00:00:00
abstract::The present study examines whether a correlation exists between cyclic nucleotides and the mechanism of action of arginine vasopressin (AVP) on adrenocorticotropin hormone (ACTH) secretion from pituitary corticotrophs. Incubation of cultured anterior pituitary cells with 3-isobutyl-1-methylxanthine (IBMX) or Rolipram ...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(89)90043-5
更新日期:1989-01-02 00:00:00
abstract::When injected directly into the tail, U50,488H is a potent analgesic in the tailflick assay (ED50 3.1 micrograms). The analgesic activity is lost if the radiant heat is focused 1 cm away from the site of injection. The kappa 1-opioid receptor antagonist nor-binaltorphimine given systemically reverses the local analges...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(96)00520-1
更新日期:1996-08-29 00:00:00
abstract::Aim of the present study was to evaluate the effects of physical stressors (electric foot-shocks) on effect of the antidepressant drug, clomipramine and plasma corticosterone levels in male and female rats tested in a model of behavioral despair (forced swim test,). Male and female rats of the Wistar strain were injec...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/j.ejphar.2005.08.012
更新日期:2005-09-27 00:00:00
abstract::Store-operated Ca2+ entry is referred to a capacitative current activated by Ca2+ -stores depletion in various non-excitable cells. Neutrophil-like HL-60 cells responded to N-formyl-L-Methionyl-L-Leucyl-L-Phenylalanine (fMLP) by an early O2- production preceded by a [Ca2+]i rise. Cell stimulation in the absence of ext...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/s0014-2999(98)00728-6
更新日期:1998-11-20 00:00:00
abstract::The maximal pressor effect induced by DOI in the pithed rat was smaller than that induced by 5-HT, suggesting partial agonistic properties of DOI. DOI shifted the dose-pressor response curve of 5-HT to the right. It is concluded that, in addition to its 5-HT2 agonistic properties, DOI also possesses 5-HT2 antagonistic...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(89)90143-x
更新日期:1989-10-24 00:00:00
abstract::Na+-H+ exchange inhibitors may reduce myocardial damage after reperfusion. However, their effects on microvascular deterioration are not known. We examined the potency of a novel Na+-H+ exchange inhibitor, SM-20550 [ N-(Aminoiminomethyl)-1,4-dimethyl-1H-indole-2-carboxamide methanesulfonate], and its effects on microv...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/s0014-2999(99)00283-6
更新日期:1999-06-25 00:00:00
abstract::Changrolin (2, 6-bis[pyrrolidin-1-ylmethyl]-4-[quinazolin-4-ylamino] phenol) is an anti-arrhythmic drug derived from β-dichroine, an active component of the Chinese medicinal herb, Dichroa febrifuga Lour. To elucidate the mechanism underlying the anti-arrhythmic effect of changrolin, we used the whole-cell patch-clamp...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/j.ejphar.2010.08.024
更新日期:2010-11-25 00:00:00
abstract::The effect of selective D1 receptor agonists on acetylcholine (ACh) release in the striatum was investigated using in vivo microdialysis. Administration of the reactive enantiomer, (+)-SKF 38393 (2, 10 mg/kg s.c.), doses which elevate grooming and sniffing behaviour, increased ACh release by 40 and 75%, respectively. ...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(90)90456-g
更新日期:1990-09-21 00:00:00
abstract::Clonidine reduced cardiac acceleration induced by low frequency electrical stimulation of cardiac sympathetic nerve fibers in anesthetized and vagotomized dogs. This effect of clonidine was abolished by short periods of high frequency electrical stimulation. The inhibitory effect of clonidine was observed with 10- as ...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(77)90191-1
更新日期:1977-03-07 00:00:00
abstract::N-[3-(1H-Imidazol-4-ylmethyl)phenyl]ethanesulfonamide, maleate (ABT-866) is a novel alpha(1)-adrenoceptor agent with mixed pharmacological properties in vitro. Compared to phenylephrine, ABT-866 demonstrates intrinsic activity at the alpha(1A)-adrenoceptor subtype present in the rabbit urethra (pD(2) = 6.22, with 80% ...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/s0014-2999(02)01976-3
更新日期:2002-08-02 00:00:00
abstract::Hepatic and systemic insulin resistance form the core of metabolic syndrome which is also associated with cardiovascular abnormalities, inflammation, and dyslipidemia. Skeletal muscles and adipose tissues are two main target organs for glucose disposal and hence have been studied for insulin resistance too. The liver ...
journal_title:European journal of pharmacology
pub_type: 杂志文章,评审
doi:10.1016/j.ejphar.2019.172657
更新日期:2019-11-05 00:00:00
abstract::The inhibitory action of bicyclic isoxazole gamma-aminobutyric acid (GABA) analogues and their 4,4-diphenyl-3-butenyl (DPB) substituted derivatives has been investigated in cortical neurones and astrocytes as well as in human embryonic kidney (HEK 293) cells transiently expressing either mouse GABA transporter-1 (GAT-...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/s0014-2999(99)00263-0
更新日期:1999-06-30 00:00:00
abstract::We investigated whether intracerebroventricular (i.c.v.) infusion of the nitric oxide synthase inhibitor, Nomega-nitro-L-arginine (N-Arg), impairs learning in male Sprague-Dawley rats (2-3 months old) in a 14-unit T-maze. Rats were pretrained in one-way active avoidance to a criterion of 13/15 avoidances of foot shock...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/s0014-2999(97)01427-1
更新日期:1998-01-02 00:00:00
abstract::The testicular capsules of different mammalian species exhibit spontaneous motor activity. In addition, contractions can be mediated by neuronal stimulation or exogenous drug administration. However, the physiological role of testicular capsule motor activity is still not well understood. Nevertheless, there is eviden...
journal_title:European journal of pharmacology
pub_type: 杂志文章,评审
doi:10.1016/j.ejphar.2020.173345
更新日期:2020-09-15 00:00:00
abstract::The effect of high helium pressure on inhibitory synaptic transmission was studied in rat hippocampal slices with extracellular recordings. Both feed-forward and recurrent GABAergic inhibition were tested in the CA1 region with paired-pulse stimulation paradigms. The efficiency of both types of inhibition decreased un...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(88)90606-1
更新日期:1988-08-24 00:00:00
abstract::Denudatin B is an antiplatelet agent isolated from the flower buds of Magnolia fargesii. We studied the effects of denudatin B on the vasoconstriction of rat thoracic aorta induced by high potassium (K+) solution, norepinephrine (NE) and caffeine, and to elucidate its mode of action. The contraction of rat aorta cause...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(90)90338-7
更新日期:1990-10-02 00:00:00
abstract::Unlike classical antipsychotic drugs, clozapine activates the hypothalamo-pituitary-adrenal axis and induces a specific regional pattern of Fos-protein expression in the rat forebrain. Whether corticosterone plays a role in the clozapine-induced Fos response is the subject of this study. Some rats were adrenalectomize...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/s0014-2999(01)00870-6
更新日期:2001-04-06 00:00:00
abstract::Delta9-tetrahydrocannabinol induces [Ca2+]i increases in DDT1MF-2 smooth muscle cells. Both Ca2+ entry and release from intracellular Ca2+ stores were concentration dependently activated. The Ca2+ entry component contributed most to the increases in [Ca2+]i. Stimulation with delta9-tetrahydrocannabinol after functiona...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/s0014-2999(97)01254-5
更新日期:1997-10-01 00:00:00
abstract::The inclusion of antioxidant for the treatment of arthritis, especially under the therapy with immunosuppressant, is motivated because antioxidant plays an essential role in disease progression and moreover, immunosuppressive treatment suffers redox homeostasis balance of the organism. The aim of the present study was...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/j.ejphar.2012.11.004
更新日期:2013-01-05 00:00:00
abstract::Alcuronium is known to stabilize allosterically the binding of the muscarinic antagonist N-methylscopolamine to muscarinic M2 receptors and thus to elevate the equilibrium binding of N-methylscopolamine in homogenized cardiac tissue. In order to check for a functional consequence of this effect, the action of alcuroni...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(94)00664-s
更新日期:1995-01-05 00:00:00
abstract::A single dose of methamphetamine (25 mg/kg i.p.) was administered to young adult gerbils (Meriones unguiculatus) aged 90 days and the number of spices was determined along 40-microns segments of basal, lateral and apical dendrites of pyramidal cells in layers III and V of the prefrontal cortex, after 1.5, 7, 20 and 30...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(93)90937-d
更新日期:1993-09-07 00:00:00
abstract::The effects of ICS 205-930 [3 alpha-tropanyl)-1H-indole-3-carboxylic acid ester), an antagonist of 5-HT at neuronal M receptors, were examined in anaesthetised greyhounds subject to acute coronary artery occlusion and reperfusion. Intravenous administration of 0.3 or 2.0 mg kg-1 of ICS 205-930 did not significantly al...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(86)90366-3
更新日期:1986-08-15 00:00:00