Alterations in hypertensive arteries.

abstract：:Measurement of volume, pressure, and length were made on eight segments of human cerebral arteries perfused with chymotrypsin (CT) (EC 3.4.21.1) solution (pH = 7.8) for no more than 19 h, and on nine arterial segments perfused with combined enzyme (CT, trypsin (EC 3.4.21.4), elastase (EC 3.4.21.11)) solutions (pH = 7....

journal_title：Canadian journal of physiology and pharmacology

authors： Damude LC,Cope DA,Roach MR

更新日期：1977-04-01 00:00:00

abstract：:The effect of various doses of i.p. injection of the adenosine receptor agonist (R)-phenylisopropyladenosine (R-PIA), ranging from nanomolar to micromolar concentrations, on plasma levels of free fatty acids, glucose, insulin, glucagon, ACTH, and corticosterone was examined in 200-g male rats. At the lowest dose of R-...

journal_title：Canadian journal of physiology and pharmacology

authors： LeBlanc J,Soucy J

更新日期：1994-02-01 00:00:00

abstract：:The effects of modafinil on heat thermoregulatory responses were studied in 10 male subjects submitted to a sweating test after taking 200 mg of modafinil or placebo. Sweating tests were performed in a hot climatic chamber (45 degrees C, relative humidity <15%, wind speed = 0.8 m x s(-1), duration 1.5 h). Body tempera...

journal_title：Canadian journal of physiology and pharmacology

authors： Launay JC,Besnard Y,Guinet A,Bessard G,Raphel C,Savourey G

更新日期：2002-08-01 00:00:00

abstract：:In embryonic chick hearts during development, there are three inward current systems which are involved in the rising phases of the action potentials (APs): fast INa, slow ICa, and tetrodotoxin-insensitive slow INa. To assess reactivation processes for these three types of inward current channels (fast Na+, slow Ca2+,...

journal_title：Canadian journal of physiology and pharmacology

authors： Sada H,Sada S,Sperelakis N

更新日期：1986-02-01 00:00:00

abstract：:The tau mutation in the golden (Syrian) hamster is a single gene mutation that drastically affects the speed of the circadian clock, in such a way that homozygous mutants have an endogenous circadian period of 20 h (compared with 24 h for wild-type hamsters). While studying the circadian system of tau-mutant hamsters ...

journal_title：Canadian journal of physiology and pharmacology

authors： Refinetti R

更新日期：2014-01-01 00:00:00

abstract：:In male Sprague--Dawley rats, hypertensive development was diminished for 10 weeks when parathyroidectomy (PTX) was performed 1 week before deoxycorticosterone plus saline (DOCA + NaCl) treatment. In young spontaneously hypertensive male rats (SHR, Okamoto strain) parathyroidectomy performed after weaning lessened hyp...

journal_title：Canadian journal of physiology and pharmacology

authors： Gairard A,Berthelot A,Schleiffer R,Pernot F

更新日期：1982-02-01 00:00:00

abstract：:Although amiodarone is a highly efficacious antidysrhythmic agent, the drug produces numerous adverse effects. The most critical of these is pulmonary toxicity because of the potential for mortality. This review examines the experimental model systems used to study amiodarone toxicity, summarizes the current state of ...

journal_title：Canadian journal of physiology and pharmacology

authors： Massey TE,Leeder RG,Rafeiro E,Brien JF

更新日期：1995-12-01 00:00:00

abstract：:Chronic caval dogs with ascites were identified as being natriuretic "responders" or "nonresponders" (delta UNaV less than 20 microequiv./min) following an infusion of atrial natriuretic peptide (ANP) (100 ng.kg-1.min-1). To learn more about the factors modulating tubular resistance to ANP, we attempted to convert res...

journal_title：Canadian journal of physiology and pharmacology

authors： Legault L,Cernacek P,Levy M

更新日期：1992-06-01 00:00:00

abstract：:Cyclocarya paliurus (CP; qing qian liu), which is used as an herbal tea in China, has been confirmed to have therapeutic effects on hyperlipidemia and obesity, and therefore it is widely consumed to prevent metabolic diseases such as hyperlipidemia and diabetes. In this study, we investigated the preventive effects of...

journal_title：Canadian journal of physiology and pharmacology

authors： Yao X,Lin Z,Jiang C,Gao M,Wang Q,Yao N,Ma Y,Li Y,Fang S,Shang X,Ni Y,Zhang J,Yin Z

更新日期：2015-08-01 00:00:00

abstract：:The effects of oxytocin (OT) on holding current were studied in uterine smooth muscle cells freshly isolated from the longitudinal layer of 18-20 day pregnant rats, using the nystatin method of whole-cell voltage clamp. As we previously reported, the voltage-dependent Ca2+ current (L type) was partially inhibited by O...

journal_title：Canadian journal of physiology and pharmacology

authors： Shimamura K,Kusaka M,Sperelakis N

更新日期：1994-07-01 00:00:00

abstract：:The world-wide increase in cancer incidence imposes a corresponding significant increase in the use of chemotherapeutic agents. Nephrotoxicity is a side effect frequently encountered with cyclophosphamide (CP), which is also well-known to cause acute and chronic lung toxicities. The current study focuses on the evalua...

journal_title：Canadian journal of physiology and pharmacology

authors： Said E,Elkashef WF,Abdelaziz RR

更新日期：2016-04-01 00:00:00

abstract：:The objective of this study was to investigate under controlled conditions the effects of fentanyl on the rat locus coeruleus catechol oxidation current. Using differential normal pulse voltammetry combined with electrochemically treated carbon fiber electrodes to measure the catechol oxidation current, catecholamine ...

journal_title：Canadian journal of physiology and pharmacology

authors： Milne B,Quintin L,Gillon JY,Pujol JF

更新日期：1989-05-01 00:00:00

abstract：:In anesthetized dogs, 60-min occlusions of either the proximal (n = 14), distal (n = 8) left circumflex (LCX), or left anterior descending (LAD, n = 10) arteries were followed by reperfusion. Coronary sinus and aortic norepinephrine and epinephrine plasma concentrations were measured. The ventricular arrhythmias were ...

journal_title：Canadian journal of physiology and pharmacology

authors： Godin D,Campeau N,Nadeau R,Cardinal R,de Champlain J

更新日期：1985-09-01 00:00:00

abstract：:Torbafylline, a novel xanthine derivative, was given to rats by gavage (2 x 25 mg.kg-1.day-1, morning and evening) to study its effect upon fast muscles (tibialis anterior and extensor digitorum longus) made ischemic by unilateral ligation of the common iliac artery and subjected to two types of activity imposed by ch...

journal_title：Canadian journal of physiology and pharmacology

authors： Hudlicka O,Egginton S,Brown MD,Okyayuz-Baklouti I

更新日期：1994-07-01 00:00:00

abstract：:Glutathione, a cysteine-containing tripeptide, is the most abundant nonprotein thiol in mammalian cells. Glutathione plays an important role in the detoxification of xenobiotic compounds and in the antioxidation of reactive oxygen species and free radicals. Because of its multiple functions in various tissues and its ...

journal_title：Canadian journal of physiology and pharmacology

authors： Bray TM,Taylor CG

更新日期：1993-09-01 00:00:00

abstract：:Smooth muscle cells exhibit phenotypic and mechanical plasticity. During maturation, signalling pathways controlling actin dynamics modulate contractile apparatus-associated gene transcription and contractile apparatus remodelling resulting from length change. Differentiated myocytes accumulate abundant caveolae that ...

journal_title：Canadian journal of physiology and pharmacology

authors： Halayko AJ,Stelmack GL

更新日期：2005-10-01 00:00:00

abstract：:Our objective was to determine if the ability of an angiotensin-converting enzyme (ACE) inhibitor to attenuate neointima formation in balloon-damaged vessel is expressed in an isolated organ culture model of neointimal growth. In vivo balloon angioplasty in combination with in vitro organ culture was used to produce a...

journal_title：Canadian journal of physiology and pharmacology

authors： Dale WE,Blaine EH

更新日期：1999-10-01 00:00:00

abstract：:The present research was to assess the relationship between ABCB1 (G2677T/A, C3435T) polymorphisms and lipid homeostasis as well as risk of liver injury induced by atorvastatin in in-patients from China. The lipid levels (total cholesterol, high-density lipoprotein, triglycerides) as well as metabolic enzymes of hepar...

journal_title：Canadian journal of physiology and pharmacology

authors： Qu KK,Zhang CN,Dong LX,Wang SS,Zhang ZD,Zhang L

更新日期：2020-01-01 00:00:00

abstract：:This study investigated the effects of melatonin treatment on adrenal catecholamine content, synthesis, uptake, and vesicular transport induced by the chronic unpredictable mild stress (CUMS) model of depression in rats. This entailed quantifying the norepinephrine, epinephrine, mRNA, and protein levels of tyrosine hy...

journal_title：Canadian journal of physiology and pharmacology

authors： Stefanovic B,Spasojevic N,Jovanovic P,Dronjak S

更新日期：2019-07-01 00:00:00

abstract：:Hypertrophic scar (HS) results from abnormal wound healing, accompanied by excessive hypercellularity, migration and extracellular matrix (ECM) deposition. Autophagy dysregulation plays crucial roles during HS formation. The overexpressed p75 neurotrophin receptor (p75NTR) in injured skin tissue after wound healing be...

journal_title：Canadian journal of physiology and pharmacology

authors： Shi W,Wu Y,Bian D

更新日期：2020-07-29 00:00:00

abstract：:Intrinsic regulation of hepatic blood flow is mediated only through the hepatic artery because the liver is not able to directly regulate portal vein blood flow. Hepatic metabolic activity does not affect hepatic artery flow. Although the hepatic artery is affected by sympathetic nerves and blood-borne agents, the int...

journal_title：Canadian journal of physiology and pharmacology

authors： Lautt WW

更新日期：1996-03-01 00:00:00

abstract：:Altered cytochrome P450-catalyzed metabolism of 17beta-estradiol (E2) and estrone (E1) in the liver and (or) extrahepatic tissues may affect estrogen-sensitive tumorigenesis. We examined the effects of oral treatments of (i) indole-3-carbinol (13C) at 250 or 500 mg/kg or beta-naphthoflavone (beta-NF) at 40 mg/kg of bo...

journal_title：Canadian journal of physiology and pharmacology

authors： Ritter CL,Prigge WF,Reichert MA,Malejka-Giganti D

更新日期：2001-06-01 00:00:00

abstract：:Our objective was to investigate the effects of chronic excess iodine intake on thyroid functions and thyroid oxidative stress state in hypothyroid rats. Sixty rats were divided into euthyroid and hypothyroid (thiocyanate-induced) groups with or without administration of excess iodine (3000 or 6000 μg/L) for 8 weeks. ...

journal_title：Canadian journal of physiology and pharmacology

authors： Hussein Ael-A,Abbas AM,El Wakil GA,Elsamanoudy AZ,El Aziz AA

更新日期：2012-05-01 00:00:00

abstract：:Alterations in calcium metabolism and calcium-regulating hormones have been described in essential hypertension. However, the mechanisms that mediate these responses are unknown. In previous studies, using the genetically spontaneously hypertensive rat and the mineralocorticoid-salt (DOC-salt) hypertensive rat model, ...

journal_title：Canadian journal of physiology and pharmacology

authors： Wimalawansa SJ,Supowit SC,DiPette DJ

更新日期：1995-07-01 00:00:00

abstract：:A variety of porphyrinogenic xenobiotics cause mechanism-based inactivation of a number of rat hepatic cytochrome P450 isozymes. As a result, a mixture of four N-alkylprotoporphyin IX (N-alkylPP) regioisomers, with ferrochelatase-inhibitory properties, are formed. This study was designed to determine whether all four ...

journal_title：Canadian journal of physiology and pharmacology

authors： McNamee JP,Kobus SM,Marks GS

更新日期：1996-08-01 00:00:00

abstract：:Female rats subjected to 48 h of water deprivation drank more than similarly deprived males. There was no sexual difference in the dipsogenic responses to intracellular dehydration produced by intravenous hypertonic NaCl but females drank considerably more than males in response to the extracellular stimuli of hyperon...

journal_title：Canadian journal of physiology and pharmacology

authors： Kaufman S

更新日期：1980-10-01 00:00:00

abstract：:Methimazole was previously shown to protect rats, mice, and (or) dogs against cisplatin-, cephaloridine-, 2-bromohydro-quinone-, and S-(1,2-dichlorovinyl)-L-cysteine-induced nephrotoxicity. In this study, methimazole effects on gentamicin (GM) induced nephrotoxicity were examined. Rats given GM (40 mg/kg) twice daily ...

journal_title：Canadian journal of physiology and pharmacology

authors： Elfarra AA,Duescher RJ,Sausen PJ,O'Hara TM,Cooley AJ

更新日期：1994-10-01 00:00:00

abstract：:Liver blood flow and hepatic uptake of some indicator substances have been reported to fall with age in both rats and humans. We used an isolated liver system, which was perfused in one pass with hemoglobin free buffer, to investigate the effect of albumin concentration, buffer flow rate, and age upon hepatic clearanc...

journal_title：Canadian journal of physiology and pharmacology

authors： Montgomery PR,Sitar DS

更新日期：1988-05-01 00:00:00

abstract：:The effect of sex hormones on vascular reactivity is considered one of the underlying factors contributing to gender differences in cardiovascular functions and diseases. Experiments were designed to investigate the role of androgens in salt-induced hypertension by assessing the relaxation response of isolated aortic ...

journal_title：Canadian journal of physiology and pharmacology

authors： Oloyo AK,Sofola OA,Anigbogu CN

更新日期：2011-04-01 00:00:00

abstract：:N,N-Diethyl-2-(1-pyridyl)ethylamine (E-2-P) produced 59 +/- 7% of the maximal response to histamine in guinea pig ileal longitudinal smooth muscle and antagonized the responses of this tissue to histamine. The estimated binding constant of E-2-P for the histamine receptor predicted a binding curve nearly coincident wi...

journal_title：Canadian journal of physiology and pharmacology

authors： Kenakin TP,Cook DA

更新日期：1980-11-01 00:00:00