Abstract：
:The tripeptides SD-34 and SD-25 induced atropine-, guanethidine-, antihistaminics-resistant but naloxone-sensitive contractions of isolated rat distal colon. They appeared to act on an opioid receptor, probably of the mu subtype, distinct from those for methionine enkephalin and morphine, because the pA2 values of naloxone for the peptides were similar to those for mu-agonists but different from those for methionine enkephalin and morphine, and because the peptides caused contractions of colon that had been desensitized to morphine. Mr 2266, a supposed kappa-antagonist, inhibited the actions of the peptides, ethylketocyclazocine and dynorphin at concentrations much lower than those inhibiting the actions of methionine enkephalin and morphine. Thus these peptides seem to act on the mu- and/or kappa-receptors. The actions of the tripeptides were inhibited by methysergide and methylergometrine, but not by the 5-HT2 antagonist ketanserin, and were not affected by 5-HT or substance P autodesensitization . Thus their actions do not seem to involve 5-HT, histamine, ACh or substance P. It seems likely that the tripeptides, through opioid receptors, directly activate the muscle, or remove some inhibitory modulation of myogenic activity, thus causing contractions.
journal_name
Eur J Pharmacoljournal_title
European journal of pharmacologyauthors
Moritoki H,Takei M,Kotani M,Kiso Y,Ishida Y,Endoh Kdoi
10.1016/0014-2999(84)90312-1subject
Has Abstractpub_date
1984-04-13 00:00:00pages
29-39issue
1eissn
0014-2999issn
1879-0712pii
0014-2999(84)90312-1journal_volume
100pub_type
杂志文章abstract：:The inflammation and proliferation of vascular smooth muscle cells (VSMCs) are the basic pathological feature of proliferative vascular diseases. Tanshinone ⅡA (Tan ⅡA), which is the most abundant fat-soluble element extracted from Salvia miltiorrhiza, has potent protective effects on the cardiovascular system. Howeve...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2020.173140
更新日期：2020-08-05 00:00:00
abstract：:Bone marrow stem cells are able to differentiate into nervous and endothelial cells. In our study, we found that administration of a bone marrow-stimulating factor (granulocyte colony-stimulating factor; G-CSF 50 microg/kg) decrease the brain infarct volume and enhance survival rate in a model of cerebral ischemia. Ta...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(02)02785-1
更新日期：2003-01-05 00:00:00
abstract：:Five different muscarinic receptor subtypes can be distinguished by the differences in their amino acid sequence, the coupled signal transduction system, pharmacological binding properties and activation of ionic fluxes. The present study served to characterize the binding profile of muscarinic receptors in human colo...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0922-4106(89)90021-7
更新日期：1989-10-17 00:00:00
abstract：:The binding of tritium-labelled BIBP3226, N2-(diphenylacetyl)-N-[(4-hydroxy-phenyl)methyl]-D-arginine amide, to human neuroblastoma SK-N-MC cells was investigated. [3H]BIBP3226 reversibly binds to neuropeptide Y receptors of the Y1 subtype expressed in SK-N-MC cells with a KD of 2.1 +/- 0.3 nM (mean +/- S.E.M., n = 3)...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(95)00161-d
更新日期：1995-05-24 00:00:00
abstract：:The relaxant actions of vasoactive intestinal peptide (VIP) and bethanechol were examined on ring segments of intrapulmonary artery (IPA) isolated from cat lung. On a molar basis, VIP was 75 times more potent than bethanechol; however, VIP was less efficacious than bethanechol in reversing phenylephrine induced tone. ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(83)90039-0
更新日期：1983-09-16 00:00:00
abstract：:The benzodiazepine drugs modulate gamma-aminobutyric acid (GABA)-mediated synaptic transmission via a high-affinity binding site that is part of the GABA(A) receptor complex, but which is distinct from the GABA binding site. Ro15-4513 is a benzodiazepine negative modulator of GABA action that displays unique anti-etha...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0922-4106(90)90199-8
更新日期：1990-06-12 00:00:00
abstract：:The effects of electroconvulsive stimuli on the expression of mRNAs coding for preprotachykinin-A and the substance P-sensitive tachykinin NK1 receptor were examined in subregions of the rat striatum. In the electroconvulsive stimuli-treated animals, a 43% decrease in preprotachykinin-A mRNA was detected in the dorso-...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(96)00861-8
更新日期：1997-01-29 00:00:00
abstract：:The effects of beta-chlornaltrexamine (CNA, 5 mg/kg s.c.) on social conflict analgesia and brain opioid binding were investigated in mice at different times after the administration of the alkylating antagonist. The specific binding of [3H]etorphine to high-affinity binding sites and the stress-induced analgesia of at...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(88)90525-0
更新日期：1988-10-18 00:00:00
abstract：:Maternal undernutrition is associated with programming of obesity in offspring. While previous evidence has linked programming to the hypothalamic, pituitary, and adrenal (HPA) axis it could also affect the hypothalamic neuropeptides which regulate food intake and energy balance. Alpha melanocyte stimulating hormone (...
journal_title：European journal of pharmacology
pub_type： 杂志文章,评审
doi：10.1016/j.ejphar.2010.10.111
更新日期：2011-06-11 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：:Levtiracetam (Lev), an inhibitor of SV2A (synaptic vesicle protein A2), affected the ATP-dependent priming of Ca(2+)-regulated exocytosis in antral mucous cells of guinea pig. In antral mucous cells, the Ca(2+)-regulated exocytosis, which is activated by acetylcholine (ACh), consists of an initial peak that declines r...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2013.09.037
更新日期：2013-12-05 00:00:00
abstract：:Kakkon-to is composed of seven medicinal herbs and exhibited novel antipyretic activity by suppressing interleukin-1alpha production responsive to interferon in a murine intranasal influenza virus infection model. Using this model, antipyretic compounds with such novel biological activities were characterized from the...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(98)00121-6
更新日期：1998-05-01 00:00:00
abstract：:The present study has examined the antidiabetic effects of 21 days co-administration of xenin-8-Gln with the dual-acting fusion peptide, exendin-4/gastrin, as well as persistence of beneficial metabolic benefits, in high fat fed (HFF) mice. Xenin-8-Gln, exendin-4 and gastrin represent compounds that activate receptors...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2019.172733
更新日期：2019-12-15 00:00:00
abstract：:The zebrafish (Danio rerio) has recently become a powerful animal model for cardiovascular research and drug discovery due to its ease of maintenance, genetic manipulability and ability for high-throughput screening. Recent advances in imaging techniques and generation of transgenic zebrafish have greatly facilitated ...
journal_title：European journal of pharmacology
pub_type： 杂志文章,评审
doi：10.1016/j.ejphar.2015.10.031
更新日期：2015-12-05 00:00:00
abstract：:We investigated the effects of antithrombin, a plasma inhibitor of coagulation factors, in rats with puromycin aminonucleoside-induced nephrosis, which is an experimental model of human nephrotic syndrome. Antithrombin (50 or 500 IU/kg/i.v.) was administered to rats once a day for 10 days immediately after the injecti...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2008.04.065
更新日期：2008-07-28 00:00:00
abstract：:R-isovaline is a non-proteinogenic amino acid which produces analgesia in a range of nociceptive assays. Mediation of this effect by metabotropic receptors for γ-aminobutyric acid (GABA) and glutamate, demonstrated by previous work, may depend on the type of tissue or receptor system. The objective of this study was t...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2016.08.005
更新日期：2016-11-15 00:00:00
abstract：:Intracellular accumulation of calcium is thought to play an integral role in the progression of ischemic injury and cell death. We infused the calcium entry blocker, nitrendipine (1.5 micrograms/kg per min), into cats in order to investigate the importance of extracellular Ca2+ influx during hemorrhagic shock. Nitrend...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(84)90510-7
更新日期：1984-01-13 00:00:00
abstract：:In Jurkat T cells, S-triethylphosphinegold(I)-2,3,4,6-tetra-O-acetyl-1-thio-beta-d-glucopyranoside (auranofin) and triethylphosphine gold(I) chloride (TepAu) induced apoptosis, as estimated by DNA fragmentation and visualised by fluorescence microscopy. Apoptosis was characterised by mitochondrial cytochrome c release...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2007.12.026
更新日期：2008-03-17 00:00:00
abstract：:The stress-induced hyperthermia procedure, in which effects of drugs on basal (T(1)) and stress-induced body temperature (T(2)) are measured, predicts anxiolytic drug effect. Serotonergic drugs alter these responses and here, we studied the role of 5-HT(1A) receptors in stress-induced hyperthermia by using 5-HT(1A) re...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2006.08.058
更新日期：2006-11-21 00:00:00
abstract：:In mature spontaneously hypertensive (SHR) and Wistar-Kyoto (WKY) rats, acetylcholine, the calcium ionophore A 23187 and ATP release endothelium-derived contracting factor (EDCF), cyclooxygenase (COX) derivatives that activate thromboxane-endoperoxide (TP) receptors on vascular smooth muscle. The EDCFs released by ace...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2006.10.050
更新日期：2007-02-05 00:00:00
abstract：:Resveratrol has been purported to modify risk factors for obesity and cardiovascular disease. We sought to examine the effects of resveratrol in a porcine model of metabolic syndrome and chronic myocardial ischemia. Yorkshire swine were fed either a normal diet (control), a high cholesterol diet (HCD), or a high chole...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2011.04.059
更新日期：2011-08-16 00:00:00
abstract：:We have investigated the endothelin receptor subtypes mediating contraction in isolated preparations of human saphenous vein. Endothelin-1 (EC50: 17.8 nM), endothelin-3 (EC50: 82.3 nM) and the endothelin ETB receptor-selective agonists, [Ala1,3,11,15]endothelin-1 (EC50: 63 nM) and sarafotoxin S6c (EC50: 0.75 nM) all p...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(94)90144-9
更新日期：1994-05-23 00:00:00
abstract：:Oxidative stress is usually considered as an important factor to the pathogenesis of various diseases. Peroxynitrite (ONOO(-)) and hypochlorite (OCl(-)) are formed in immune cells as a part of the innate host defense system, but excessive reactive oxygen species generation can cause progressive inflammation and tissue...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2016.02.020
更新日期：2016-03-15 00:00:00
abstract：:Increased O-Linked β-N-acetylglucosamine (O-GlcNAc) is observed in several pathologies, and unbalanced O-GlcNAcylation levels favor endothelial dysfunction. Whether augmented O-GlcNAc impacts the uterine artery (UA) function and how it affects the UA during pregnancy remains to be elucidated. We hypothesized that gluc...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2020.173133
更新日期：2020-08-05 00:00:00
abstract：:High glucose is one of the possible causes for osteoporosis and fracture in diabetes mellitus. Our previous study showed that silibinin can increase osteogenic effect by stimulating osteogenic genes expression in human bone marrow stem cells (hBMSCs). However, no study has yet investigated the effect of silibinin on o...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2015.09.005
更新日期：2015-10-15 00:00:00
abstract：:Active sensitization of guinea-pigs resulted in an increase in responsiveness and sensitivity of tracheal and lung parenchymal strips to CaCl2 (in K+-depolarised tissue), KCl, acetylcholine and histamine. Indomethacin (5 microM) preferentially enhanced the response of tracheal strips from normal animals to histamine a...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(89)90337-3
更新日期：1989-03-29 00:00:00
abstract：:Two splice variants of the pituitary adenylate cyclase activating polypeptide (PACAP) type I receptor (PACAP receptor and PACAP/HOP receptor isoform) were stably expressed in Chinese hamster ovary (CHO) cells that did not express constitutively receptors for this family of peptides. The PACAP/HOP receptor protein had ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0922-4106(95)90037-3
更新日期：1995-02-15 00:00:00
abstract：:Hruska et al. (1980) reported that hypophysectomy prevented the onset of dopamine receptor supersensitivity. We have repeated this investigation administering haloperidol (0.75 mg/day) or sulpiride (2 X 15 mg/day) or saline for 17 days, followed by a 3 day drug washout period, to sham-operated or hypophysectomised rat...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(81)90006-6
更新日期：1981-11-19 00:00:00
abstract：:The anticonvulsant effect of cannabinoids has been shown to be mediated through activation of the cannabinoid CB(1) receptor. This study was initiated to evaluate the effects of endogenously occurring cannabinoids (endocannabinoids) on seizure severity and threshold. The anticonvulsant effect of the endocannabinoid, a...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(02)02331-2
更新日期：2002-10-11 00:00:00
abstract：:Recent reports of increased diabetes risk have raised concerns regarding the use of statins. The present study was therefore planned to clarify whether atorvastatin can prevent diabetes development in a rat model of type 2 diabetes mellitus. Eight week old male Wistar rats were randomized into three groups (n = 12 eac...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2014.01.069
更新日期：2014-04-05 00:00:00
