The effects of [K+]o on regional differences in electrical characteristics of ventricular myocytes in guinea-pig.

abstract：:Preparations of isolated rat jejunal enterocyte and brush-border and basolateral membrane vesicles have been used to study the effects of a 15 min exposure of upper and mid-villus enterocytes to pancreatic glucagon on the initial, unidirectional phlorhizin-sensitive (brush border) transport of galactose and phlorhizin...

journal_title：Experimental physiology

authors： Debnam ES,Sharp PA

更新日期：1993-03-01 00:00:00

abstract：:The pattern of propagation of slow waves in the small intestine is not clear. Specifically, it is not known whether propagation is determined by a single dominant ICC-MP (Interstitial cells of Cajal located in the Myenteric Plexus) pacemaker unit or whether there are multiple active pacemakers. To determine this patte...

journal_title：Experimental physiology

authors： Lammers WJ,Stephen B

更新日期：2008-03-01 00:00:00

abstract：:Contractile properties and fibre type composition of slow-twitch soleus muscles from spontaneously hypertensive rats (SHR) were compared with those from a control normotensive strain (Wistar-Kyoto, WKY). Male rats aged around 100 days were used, and muscle tension was recorded isometrically in vitro. Tetanic tension w...

journal_title：Experimental physiology

authors： Lewis DM,Levi AJ,Brooksby P,Jones JV

更新日期：1994-05-01 00:00:00

abstract：:Gastric motility was recorded from ferrets chronically prepared with an antral strain gauge. In fasted animals, antral motility showed cycles of activity and quiescence typical of the migrating motor complex (MMC) with a period of 44.7 +/- 6.1 min (n = 4). Anaesthesia with pentobarbitone sodium (50 mg/kg) disrupted th...

journal_title：Experimental physiology

authors： Grundy D

更新日期：1990-09-01 00:00:00

abstract：:This study was undertaken to determine the reflex cardiovascular and respiratory responses to discrete stimulation of pulmonary arterial baroreceptors using a preparation in which secondary modulation of responses from other reflexes was prevented. Dogs were anaesthetised with -chloralose, artificially ventilated, the...

journal_title：Experimental physiology

authors： McMahon NC,Drinkhill MJ,Myers DS,Hainsworth R

更新日期：2000-07-01 00:00:00

abstract：:This study was designed to investigate the putative neurophysiological effects of so-called 'H-wave therapy' (HWT), a form of electrical stimulation, upon conduction latencies in the human superficial radial nerve. Antidromic compound action potentials were recorded from the superficial radial nerve in the dominant fo...

journal_title：Experimental physiology

authors： McDowell BC,Lowe AS,Walsh DM,Baxter GD,Allen JM

更新日期：1996-09-01 00:00:00

abstract：:After 2 months of streptozotocin-induced diabetes in rats, the membrane potential of the diaphragm muscle when measured in vitro at 30 degrees C was unchanged but the tetanic tension, the half-relaxation time of the isometric twitch and the fatigue resistance were each reduced. Treatment of the diabetic rats with the ...

journal_title：Experimental physiology

authors： McGuire M,MacDermott M

更新日期：1998-07-01 00:00:00

abstract：:Growing lambs fed a diet containing NaHCO3 were made acidotic by intravenously infusing HCl at the rate of 1 mmol/min over a 4 h period. Acid infusion led to a fall in blood and urine pH and a prompt increase in urinary Ca excretion. This in turn led to a fall in plasma Ca concentration and a rise in parathyroid hormo...

journal_title：Experimental physiology

authors： Scott D,Loveridge N,Abu Damir H,Buchan W,Milne J

更新日期：1993-03-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? Does the muscle metaboreflex affect the ratio of left ventricular contraction/relaxation rates and does heart failure impact this relationship. What is the main finding and its importance? The effect of muscle metaboreflex activation on the ventricular relaxation...

journal_title：Experimental physiology

authors： Mannozzi J,Massoud L,Kaur J,Coutsos M,O'Leary DS

更新日期：2020-11-23 00:00:00

abstract：:What is the topic of this review? This article presents emerging evidence for heightened carotid body chemoreflex activity as a major driver of sympathetic activation and hypertension in sleep apnoea patients. What advances does it heighlight? This article discusses the recent advances on cellular, molecular and epige...

journal_title：Experimental physiology

authors： Prabhakar NR

更新日期：2016-08-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? The central goal of this study was to elucidate the role of magnesium in the regulation of pulmonary vascular reactivity in relationship to hypoxic pulmonary hypertension. What is the main finding and its importance? We found that magnesium is essential for norma...

journal_title：Experimental physiology

authors： Mu YP,Huang QH,Zhu JL,Zheng SY,Yan FR,Zhuang XL,Sham JSK,Lin MJ

更新日期：2018-04-01 00:00:00

abstract：:House dust mite (HDM) is a major source of allergen in house dust and has been suggested to be involved in the pathogenesis of asthma. In this study, we aimed to investigate whether HDM can modulate the sensitivity of pulmonary sensory neurons and, if so, to elucidate the underlying mechanism. Fura-2-based ratiometric...

journal_title：Experimental physiology

authors： Gu Q,Lee LY

更新日期：2012-04-01 00:00:00

abstract：NEW FINDINGS:What is the topic of this review? This article describes the contribution of oxidative stress and pro-inflammatory cytokines to the enhanced carotid body chemosensory responsiveness to the hypoxia and systemic hypertension induced by chronic intermittent hypoxia. What advances does it highlight? Chronic in...

journal_title：Experimental physiology

authors： Iturriaga R,Moya EA,Del Rio R

更新日期：2015-02-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? β-Adrenergic receptor activation modulates cutaneous vasodilatation and sweating in young adults. In this study, we assessed whether age-related differences in β-adrenergic regulation of these responses exist and whether they differ between men and women. What is...

journal_title：Experimental physiology

authors： Fujii N,McGarr GW,Amano T,Sigal RJ,Boulay P,Nishiyasu T,Kenny GP

更新日期：2020-10-01 00:00:00

abstract：:Chronically hypoxic (CH) and normoxic control rats were used to assess the action of S9581, a water-soluble analogue of almitrine bismesylate. S9581 increased ventilation (Ve) by 34% in control and 20% in CH rats. During acute hypoxia Ve was raised and S9581 caused a further increase of 20% in both groups. Low doses o...

journal_title：Experimental physiology

authors： Bee D,Emery CJ,Howard P

更新日期：1992-11-01 00:00:00

abstract：:This work was undertaken to study the effect of pectin feeding on the expression level, cellular localization and functional activity of monocarboxylate transporter 1 (MCT1) in the gastrointestinal tract of rats. The results indicated that MCT1 protein level was significantly increased along the entire length of the g...

journal_title：Experimental physiology

authors： Kirat D,Kondo K,Shimada R,Kato S

更新日期：2009-04-01 00:00:00

abstract：:The role of testosterone (T) in the regulation of cardiovascular function in females is not well understood. Our goal was to examine the effect of T on cardiomyocyte biology by measuring sarcomere shortening/relaxation and intracellular calcium cycling in adult female Sprague-Dawley rats. The rats were divided into th...

journal_title：Experimental physiology

authors： Beesley RD,Palmer BM,Casson PR,Toth MJ

更新日期：2013-01-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? Calcium is an important second messenger in eccrine sweating; however, whether modulation of extracellular Ca(2+) and Ca(2+) entry has the capacity to modulate sweat rate in non-glabrous human skin has not been explored. What is the main finding and its importanc...

journal_title：Experimental physiology

authors： Metzler-Wilson K,Sammons DL,Ossim MA,Metzger NR,Jurovcik AJ,Krause BA,Wilson TE

更新日期：2014-02-01 00:00:00

abstract：:Ageing is associated with skeletal muscle impairment. Changes in mitochondrial homeostasis are thought to play a key role in this process. This study examined whether chronic intake of polyphenols (PPs), which are known to be modulators of oxidative stress, might prevent the age-related decline of mitochondrial functi...

journal_title：Experimental physiology

authors： Charles AL,Meyer A,Dal-Ros S,Auger C,Keller N,Ramamoorthy TG,Zoll J,Metzger D,Schini-Kerth V,Geny B

更新日期：2013-02-01 00:00:00

abstract：:Plasma 2H accumulation was measured in six male volunteers after ingestion of drinks containing trace amounts of 2H2O. Subjects fasted overnight and remained seated at rest or exercised on a cycle ergometer at 42, 61 or 80% of their maximum oxygen uptake (VO2, max). The rate of plasma 2H accumulation was faster at res...

journal_title：Experimental physiology

authors： Maughan RJ,Leiper JB,McGaw BA

更新日期：1990-05-01 00:00:00

abstract：NEW FINDINGS:What is the topic of this review? One of the major unanswered questions in physiology is that of how breathing matches metabolic rate. Venous chemoreceptors seem to have been dismissed since the 1960s. What advances does it highlight? New evidence shows that their apparent dismissal needs reappraisal. The ...

journal_title：Experimental physiology

authors： Parkes MJ

更新日期：2017-12-01 00:00:00

abstract：:The hypothalamus regulates the key hormonal signalling events essential for reproduction and fertility in mammals. The gonadotrophin-releasing hormone (GnRH) neurons are the principal neurons of the complex neuronal network that co-ordinates multiple internal homeostatic and external factors necessary for fertility. K...

journal_title：Experimental physiology

authors： Yeo SH

更新日期：2013-11-01 00:00:00

abstract：:Current assessments of the effects of shear patterns on vascular function assume that a parabolic velocity profile is always present. Any substantial deviation in the profile away from this may result in misinterpretation of the importance that shear patterns have on vascular function. The present investigation tested...

journal_title：Experimental physiology

authors： Ade CJ,Broxterman RM,Wong BJ,Barstow TJ

更新日期：2012-07-01 00:00:00

abstract：:One of the most basic computational elements within a circuit is the synapse across which signals are transferred. Here we summarize some experimental strategies that allow the synaptic basis of circuit function to be studied through imaging. The two most promising approaches available currently are pHluorin-based rep...

journal_title：Experimental physiology

authors： Dreosti E,Lagnado L

更新日期：2011-01-01 00:00:00

abstract：:Oxidants have been suggested to enhance contractile function in unfatigued muscle. In this study we aimed to determine the effect of oxidants on "chemically skinned" diaphragm muscle fibre bundles. The sarcoplasmic reticulum and contractile proteins were exposed to superoxide anions (O2-) and hydrogen peroxide (H2O2) ...

journal_title：Experimental physiology

authors： Darnley GM,Duke AM,Steele DS,MacFarlane NG

更新日期：2001-03-01 00:00:00

abstract：:Changes in tension of slow motor units in the medial gastrocnemius muscle of the rat were measured and compared in three fatigue tests, each of 4 min duration. In one of these tests motor unit tetani were evoked by repeated trains of stimuli of the standard frequency, 40 Hz, while in other tests frequencies of 20 and ...

journal_title：Experimental physiology

authors： Celichowski J,Grottel K

更新日期：1995-11-01 00:00:00

abstract：:The aim of the present study was to assess the influence of body posture on post-submaximal exercise parasympathetic reactivation and to examine whether this influence was preserved under a heightened sympathetic background. On four occasions, eleven moderately trained subjects (22.1 +/- 3.0 years old) performed, in r...

journal_title：Experimental physiology

authors： Buchheit M,Al Haddad H,Laursen PB,Ahmaidi S

更新日期：2009-07-01 00:00:00

abstract：:Arterial pressure is regulated over long periods of time by neural, hormonal and local control mechanisms, which ultimately determine the total blood volume and how it is distributed between the various vascular compartments of the circulation. A full understanding of the complex interplay of these mechanisms can be g...

journal_title：Experimental physiology

authors： Osborn JW,Averina VA,Fink GD

更新日期：2009-04-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? Is electrical pulse stimulation (EPS) an in vitro exercise model able to elicit the hypertrophy of human muscle cells? What is the main finding and its importance? The addition of a restitution period of 8 h after EPS induces the enlargement of human muscle cells...

journal_title：Experimental physiology

authors： Tarum J,Folkesson M,Atherton PJ,Kadi F

更新日期：2017-11-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? Does sex or neonatal stress affect the expression of pituitary adenylate cyclase-activating peptide or its receptors? What is the main finding and its importance? Neonatal-maternal separation stress has little long-lasting effect on the expression of pituitary ad...

journal_title：Experimental physiology

authors： Mosca EV,Rousseau JP,Gulemetova R,Kinkead R,Wilson RJ

更新日期：2015-02-01 00:00:00