Abstract:
:1. The effects of DL-tetrahydropalmatine (DL-THP) on cardio-vascular function and hypothalamic release of monoamines were assessed in rats under urethane anaesthesia. 2. Intravenous administration of DL-THP (1-10 mg/kg) produced hypotension, bradycardia, a decrease in hypothalamic serotonin and noradrenaline release and an increase in hypothalamic dopamine release in rats. 3. Intrahypothalamic administration of DOI (a serotonergic 5-HT2 receptor antagonist) or apomorphine (a dopamine D2-receptor agonist) produced the opposite effects and reversed DL-THP-induced hypotension and bradycardia. 4. The data suggest that DL-THP acts through the 5-HT2 and/or D2-receptor antagonism in the hypothalamus to induce hypotension and bradycardia in rats.
journal_name
Clin Exp Pharmacol Physioljournal_title
Clinical and experimental pharmacology & physiologyauthors
Lin MT,Chueh FY,Hsieh MT,Chen CFdoi
10.1111/j.1440-1681.1996.tb01769.xsubject
Has Abstractpub_date
1996-08-01 00:00:00pages
738-42issue
8eissn
0305-1870issn
1440-1681journal_volume
23pub_type
杂志文章abstract::1. Aqueous celery extract was administered intraperitoneally to genetically hypercholesterolaemic (RICO) and normocholesterolaemic (RAIF) rats via Alzet osmotic pumps over a 13 day period. 2. The serum cholesterol concentration of the celery extract-treated RICO rats was found to be significantly lower (P < 0.05) than...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.1996.tb02598.x
更新日期:1996-03-01 00:00:00
abstract::The effect of cyclic GMP was investigated using guinea-pig tracheal smooth muscle. 8-Bromo-cyclic GMP showed a dose-dependent relaxation of spontaneous tension of tracheal smooth muscle. Administration of sodium nitroprusside induced dose-dependent relaxation of tracheal smooth muscle as well as an increase in tissue ...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.1986.tb00313.x
更新日期:1986-01-01 00:00:00
abstract::1. Altered calcium regulation has been observed in experimental and human hypertension. In this study erythrocyte (RBC) intracellular calcium concentration ([Ca2+]i) was compared in conscious spontaneously hypertensive rats (SHR) and their normotensive controls (WKY) at rest and after injection of the dihydropyridine ...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.1988.tb01068.x
更新日期:1988-04-01 00:00:00
abstract::1. The present study investigated whether the somatostatin receptor (SSTR) agonist, octreotide, could inhibit the activation of dorsal skin afferent fibres induced by local injection of capsaicin in the rat. 2. Single unit activity from Aδ mechano-heat sensitive (AMH; n = 41) and C mechano-heat sensitive (CMH; n = 30)...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.2011.05542.x
更新日期:2011-08-01 00:00:00
abstract::1. Metformin is one of the most commonly used drugs for the treatment of Type 2 diabetes. Accumulating evidence suggests that metformin also has cardioprotective effects. In the present study, we investigated the cardioprotective effects of metformin and the mechanisms involved. 2. A rat model of chronic heart failure...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.2010.05470.x
更新日期:2011-02-01 00:00:00
abstract::1. The role of arginine vasopressin (AVP) was examined in adrenocorticotrophin (ACTH)-induced hypertension in Sprague-Dawley rats using the non-peptide AVP V1a receptor antagonist OPC 21268. 2. In an acute study, six rats were pretreated with ACTH for 11 days and direct arterial blood pressure (4 h), plasma osmolality...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1046/j.1440-1681.2000.03350.x
更新日期:2000-11-01 00:00:00
abstract::1. We examined the effects of torasemide (0.3 and 1 mg/kg i.v.) on renal haemodynamics and function employing renal clearance and stop-flow techniques in anaesthetized dogs and compared these with furosemide (1 and 3 mg/kg i.v.). 2. Torasemide and furosemide did not influence renal haemodynamics, in the renal clearanc...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.1991.tb01483.x
更新日期:1991-07-01 00:00:00
abstract::Chemotherapy resistance is a major contributor to poor treatment responses and tumour relapse, the development of which has been strongly linked to the action of cancer stem cells (CSCs). Mounting evidence suggests that CSCs are reliant on low oxygen conditions and hypoxia-inducible factors 1α and 2α (HIF1α and HIF2α)...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章,评审
doi:10.1111/1440-1681.12693
更新日期:2017-02-01 00:00:00
abstract::Cardiac output and rhythm depend on the release and the take-up of calcium from the sarcoplasmic reticulum (SR). Excessive diastolic calcium leak from the SR due to dysfunctional calcium release channels (RyR2) contributes to the formation of delayed after-depolarizations, which underlie the fatal arrhythmias that occ...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章,评审
doi:10.1111/1440-1681.12669
更新日期:2017-01-01 00:00:00
abstract::1. Endothelial dysfunction is seen in patients with essential hypertension or congestive heart failure (CHF). The present study aimed to evaluate the direct effect on endothelium- dependent vasodilation (EDV) of different pharmacological drugs commonly used in the treatment of these conditions. 2. Forearm blood flow (...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 临床试验,杂志文章
doi:10.1046/j.1440-1681.2001.03465.x
更新日期:2001-05-01 00:00:00
abstract::1. Breast cancer resistance protein (BCRP, ABCG2) is a drug efflux transporter that is believed to affect the drug disposition of several drugs and xenobiotics. In the present study, we evaluated the localization and functional expression of BCRP in the human choriocarcinoma cell line BeWo, an in vitro model of the hu...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.2006.04324.x
更新日期:2006-01-01 00:00:00
abstract::Alzheimer's disease (AD) is a neurodegenerative disorder with an incompletely defined aetiology that is associated with memory and cognitive impairment. Currently available therapeutics only provide temporary assistance with symptoms. In spite of plentiful research in the field and the generation of thousands of studi...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/1440-1681.13020
更新日期:2019-01-01 00:00:00
abstract::1. The effects of the Class I anti-arrhythmic drugs quinidine, procainamide, lidocaine, phenytoin and tocainide on mitochondrial lactate dehydrogenase activity were compared in guinea-pig heart preparations. 2. All the tested drugs inhibited the enzyme activity in a concentration-dependent fashion, exhibiting varying ...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.1993.tb01671.x
更新日期:1993-04-01 00:00:00
abstract::Pathogenic inflammation mediated by overactive type 1 helper T cell (Th1) responses could exacerbate and perpetuate Crohn's disease. Programmed death (PD)-1 and its ligand PD-L1 pathway could be upregulated to suppress inflammation. We wondered why this pathway is ineffective at suppressing pathogenic Th1 inflammation...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/1440-1681.13127
更新日期:2019-09-01 00:00:00
abstract::Non-alcoholic fatty liver disease (NAFLD) has been considered as a multi-factorial metabolic syndrome. MicroRNA-375 (MiR-375) was significantly up-regulated in serum of NAFLD patients and the role of miR-375 was addressed as a putative biomarker of NAFLD progression. However, the specific function of miR-375 in the pr...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/1440-1681.12940
更新日期:2018-08-01 00:00:00
abstract::The purpose of the present study was to identify the differential proteins that synchronously change in urine and glomeruli and could be used to monitor glomerular lesions of IgA nephropathy (IgAN). The proteomes of urine and glomeruli from four IgAN patients who were graded III/IV according to the grading system of L...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/1440-1681.12733
更新日期:2017-05-01 00:00:00
abstract::1. Responses of splenic diameter measured by sonomicrometry to alpha- and beta-adrenoceptor stimulants were estimated together with simultaneously measured systemic arterial and splenic venous concentrations of red blood cells (RBC), white blood cells (WBC) and platelets (PLT) in anaesthetized dogs. 2. Intravenous and...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1046/j.1440-1681.2002.03598.x
更新日期:2002-01-01 00:00:00
abstract::1. At any one instant, most receptors are now recognized to be able to stimulate multiple signal transduction pathways in a cell when activated by an appropriate hormone. These different signalling pathways appear to allow for distinct cellular responses, such as cell proliferation, differentiation, and shape change. ...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章,评审
doi:10.1111/j.1440-1681.1997.tb02104.x
更新日期:1997-08-01 00:00:00
abstract::1. The intravenous administration of nicergoline (5 mg) was followed by a rapid and sustained lowering of blood pressure; less rapid effects were bradycardia and an elevation of cardiac output. These delayed effects are consistent with an indirect action on the alpha-adrenoreceptors of the central nervous system. 2. F...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.1980.tb00051.x
更新日期:1980-03-01 00:00:00
abstract::Age-related endothelial dysfunction is closely associated with the local production of reactive oxygen species (ROS) within and in the vicinity of the vascular endothelium. Oxidant-induced DNA damage can activate the nuclear enzyme poly(ADP-ribose) polymerase 1 (PARP-1), leading to endothelial dysfunction in various p...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/1440-1681.12484
更新日期:2015-12-01 00:00:00
abstract::1. The influence of the intact kidney on blood pressure, extracellular fluid volume (ECF, ferrocyanide space) and ECF volume distribution was studied in rats 60 days after constriction of the contralateral renal artery. 2. Renal artery constriction increased both blood pressure and ECF levels. The rise of both variabl...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.1979.tb00033.x
更新日期:1979-09-01 00:00:00
abstract::1. Plasma concentrations of prorenin were determined in a transgenic animal model of nephropathy induced by overexpression of transforming growth factor (TGF)-beta1 in the juxtaglomerular apparatus. 2. In both female and male mice, plasma concentrations of prorenin were higher in transgenic than in non-transgenic anim...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1046/j.1440-1681.2000.03330.x
更新日期:2000-09-01 00:00:00
abstract::Serotonin causes a dose related (0.1-20 micrograms/kg i.v.) increase in mean arterial blood pressure (MAP) and heart rate in conscious sheep. Ketanserin (0.1 mg/kg per h i.v.) causes a decrease in blood pressure, and an increase in heart rate. In the presence of ketanserin, serotonin induced increases in MAP are atten...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.1984.tb00872.x
更新日期:1984-11-01 00:00:00
abstract::1. The effects of dietary sodium on blood pressure and levels of sodium, other electrolytes and noradrenaline (NA) in the cerebrospinal fluid (CSF) and blood of 15 patients with essential hypertension were studied. The CSF and blood sampling was carried out after 7 days of a high salt intake (16-18 g/day) and after 7 ...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.1992.tb00444.x
更新日期:1992-04-01 00:00:00
abstract::1. One of the major causes of metabolic syndrome is elevated 11β-hydroxysteroid dehydrogenase 1 (11β-HSD1) in the liver and adipose tissue. High 11β-HSD1 expression contributes significantly to the diabetic phenotype in db/db mice. The purpose of the present study was to test the effect of the pharmacological inhibiti...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.2011.05640.x
更新日期:2012-01-01 00:00:00
abstract::1. The recognition of the role of insulin resistance in disease states and the recent development of new drugs that modify insulin-dependent metabolism has led to increased use of the euglycaemic hyperinsulinaemic clamp to measure in vivo insulin sensitivity, but several key aspects of the technique are poorly documen...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.1997.tb01237.x
更新日期:1997-07-01 00:00:00
abstract::1. The purpose of this study was to determine whether hepatic mitochondria of guinea-pigs with spontaneous diabetes mellitus differ from those of non-diabetic guinea-pigs in the oxidation of fatty acids, the activity of beta-hydroxybutyrate dehydrogenase, or respiration-linked oxidative phosphorylation. During the cou...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.1978.tb00674.x
更新日期:1978-05-01 00:00:00
abstract::1. The present review reports some of the earliest physiological changes that occur in the diabetic retina prior to any clinical or anatomical changes in an animal model of diabetes. 2. Using chemically induced diabetes (by streptozotocin) in rats, retinal blood flow and vitreal and retinal oxygen tension were determi...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章,评审
doi:10.1111/j.1440-1681.1997.tb02133.x
更新日期:1997-09-01 00:00:00
abstract::1. Effects of a newly developed phosphodiesterase (PDE) III inhibitor, E-1020, on intracellular calcium transients were compared with those of isoproterenol (ISO) in isolated single myocytes from failing hearts secondary to pulmonary hypertension induced by monocrotaline injection. Myocytes were isolated by enzyme dig...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 杂志文章
doi:10.1111/j.1440-1681.1994.tb02663.x
更新日期:1994-12-01 00:00:00
abstract::To test a possible role of endogenous opioids in the blood pressure (BP) and heart rate (HR) responses to the converting enzyme inhibitor captopril in man, nine normal subjects were given captopril (50 mg) or placebo with and without the opioid antagonist naloxone (0.2 mg/kg i.v.). Treatments were given in random orde...
journal_title:Clinical and experimental pharmacology & physiology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1111/j.1440-1681.1983.tb00192.x
更新日期:1983-05-01 00:00:00