Carbohydrate ingestion prior to exercise augments the exercise-induced activation of the pyruvate dehydrogenase complex in human skeletal muscle.

abstract：:The effects of direct autonomic nerve stimulation on the heart may be quite different to those of perfusion with pharmacological neuromodulating agents. This study was designed to investigate the effect of autonomic nerve stimulation on intracellular calcium fluorescence using fura-2 AM in the isolated Langendorff-per...

journal_title：Experimental physiology

authors： Brack KE,Coote JH,Ng GA

更新日期：2010-01-01 00:00:00

abstract：:In quiescent papillary muscles isolated from hearts of rats with streptozotocin-induced diabetes resting intracellular sodium activity (aiNa) was about 56% greater than in muscles from controls. An intracellular acid load induced by the NH4+ method caused a rise in aiNa whose maximum amplitude was similar in both grou...

journal_title：Experimental physiology

authors： Lagadic-Gossmann D,Feuvray D

更新日期：1991-01-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? Does baroreceptor unloading during passive hyperthermia contribute to increases in ventilation and decreases in end-tidal carbon dioxide during that exposure? What is the main finding and its importance? Hyperthermic hyperventilation is not mitigated by expanding...

journal_title：Experimental physiology

authors： Lucas RA,Pearson J,Schlader ZJ,Crandall CG

更新日期：2015-11-01 00:00:00

abstract：:The autonomic adjustments to exercise are mediated by central signals from the higher brain (central command) and by a peripheral reflex arising from working skeletal muscle (exercise pressor reflex), with further modulation provided by the arterial baroreflex. Although it is clear that central command, the exercise p...

journal_title：Experimental physiology

authors： Williamson JW,Fadel PJ,Mitchell JH

更新日期：2006-01-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? Does 14 days of live-high, train-low simulated altitude alter an individual's metabolomic/metabolic profile? What is the main finding and its importance? This study demonstrated that ∼200 h of moderate simulated altitude exposure resulted in greater variance in m...

journal_title：Experimental physiology

authors： Lawler NG,Abbiss CR,Gummer JPA,Broadhurst DI,Govus AD,Fairchild TJ,Thompson KG,Garvican-Lewis LA,Gore CJ,Maker GL,Trengove RD,Peiffer JJ

更新日期：2019-01-01 00:00:00

abstract：:Electromyographic recordings (EMGs) were made from the active masseter muscle, of the inhibitory reflex evoked by application of electrical stimuli to the skin of the upper lip in fifteen human subjects. In control sequences, the reflex had a mean latency of 42 +/- 1.1 ms and a mean duration of 45 +/- 2.1 ms. The magn...

journal_title：Experimental physiology

authors： Cadden SW,Newton JP

更新日期：1995-03-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? Do the pulmonary vascular responses to hypoxia change during progressive exposure to high altitude and can alterations in these responses be related to changes in concentrations of circulating biomarkers that affect the pulmonary circulation? What is the main fin...

journal_title：Experimental physiology

authors： Luks AM,Levett D,Martin DS,Goss CH,Mitchell K,Fernandez BO,Feelisch M,Grocott MP,Swenson ER,Caudwell Xtreme Everest Investigators.

更新日期：2017-06-01 00:00:00

abstract：:The effect of the neuronal 5-HT3 receptor antagonist MDL 72222 has been investigated on the reflex tachypnoeic response to pulmonary embolism in pentobarbitone-anaesthetized rabbits. Pre-treatment with MDL 72222 (640 micrograms kg-1, 5 min prior to embolization) significantly attenuated the reflex tachypnoeic response...

journal_title：Experimental physiology

authors： Armstrong DJ,Kay IS

更新日期：1990-07-01 00:00:00

abstract：:The resonant frequency of the wrist has been measured in sixteen hypermobile and nine normal women at ten levels of peak torque. At the lowest level the results were identical but at the others the hypermobile values were lower. Damping and thixotropy appeared to be normal. In another group the grip strength of hyperm...

journal_title：Experimental physiology

authors： Walsh EG,Lambert M,Wright GW,Powers N,Nuki G

更新日期：1991-03-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? Should we use the high-frequency (HF) component of P-P interval as an index of cardiac parasympathetic nerve activity during moderate exercise? What is the main finding and its importance? The HF component of P-P interval variability remained even at a heart rate...

journal_title：Experimental physiology

authors： Takahashi M,Nakamoto T,Matsukawa K,Ishii K,Watanabe T,Sekikawa K,Hamada H

更新日期：2016-03-01 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：:Exercise performance in hypoxia may be limited by a critical reduction in cerebral and skeletal tissue oxygenation, although the underlying mechanisms remain unclear. We examined whether increased systemic free radical accumulation during hypoxia would be associated with elevated microvascular deoxygenation and reduce...

journal_title：Experimental physiology

authors： Woodside JD,Gutowski M,Fall L,James PE,McEneny J,Young IS,Ogoh S,Bailey DM

更新日期：2014-12-01 00:00:00

abstract：:The purpose of the present study was to characterize the Ca2+ channels in smooth muscle cells from human stomach and to examine the effects of osmotic swelling on the channel activity. Ca2+ channel current with either Ca2+ or Ba2+ as charge carrier was recorded from freshly isolated smooth muscle cells using the conve...

journal_title：Experimental physiology

authors： Kim CH,Rhee PL,Rhee JC,Kim YI,So I,Kim KW,Park MK,Uhm DY,Kang TM

更新日期：2000-09-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? What is the role of miR-143-3p during human dental pulp stem cell (hDPSC) differentiation. What is the main finding and its importance? miR-143-3p negatively regulates receptor activator of nuclear factor-κB (RANK). RANK ligand (RANKL) binds to RANK and stimulate...

journal_title：Experimental physiology

authors： Yang C,Jia R,Zuo Q,Zheng Y,Wu Q,Luo B,Lin P,Yin L

更新日期：2020-05-01 00:00:00

abstract：:Mammalian cardiomyocytes have limited regenerative capacity, such that cell death can result in a net loss of viable contractile elements and a decrease in cardiac functional reserve, both during normal ageing and after insults to the myocardium leading to heart failure. At least four types of cell death have been des...

journal_title：Experimental physiology

authors： Goldspink DF,Burniston JG,Tan LB

更新日期：2003-05-01 00:00:00

abstract：:The effects of microinjections of adenosine and an adenosine receptor antagonist into the rostral ventrolateral medulla (RVLM) on the cardiovascular changes associated with the defence reaction were investigated in anaesthetized rats. Responses to electrical and chemical stimulation in RVLM were determined in alpha-ch...

journal_title：Experimental physiology

authors： Thomas T,Spyer KM

更新日期：1996-01-01 00:00:00

abstract：:Polycystic ovary syndrome (PCOS) is one of the most common endocrine disorders in women, with a prevalence of 8-12% during the reproductive years. In the present study, using prenatal exposure to a single dose of testosterone during the critical period of fetal development, we aimed to introduce an enhanced rat model ...

journal_title：Experimental physiology

authors： Tehrani FR,Noroozzadeh M,Zahediasl S,Piryaei A,Azizi F

更新日期：2014-05-01 00:00:00

abstract：:Using the patch-clamp recording technique, we observed that endothelin-1 (ET-1; 0.8-16 nM) enhanced a voltage-activated outward current (Iout) and induced periodic oscillations of inward current in smooth muscle cells isolated from small pulmonary arteries (200-400 microns in diameter). Anion substitution experiments ...

journal_title：Experimental physiology

authors： Salter KJ,Turner JL,Albarwani S,Clapp LH,Kozlowski RZ

更新日期：1995-09-01 00:00:00

abstract：:Measurements of intracellular calcium (Ca2+i) and sodium (Na+i) have been made in single smooth muscle cells in confluent cultures of the A7r5 cell line using the Ca(2+)- and Na(+)-sensitive dyes Fura-2 and sodium-binding benzofuran isophthalate (SBFI). Reversal of the Na+ gradient in control cells results in a small ...

journal_title：Experimental physiology

authors： Gillespie JI,Otun H,Greenwell JR,Dunlop W

更新日期：1992-07-01 00:00:00

abstract：:The properties of two types of calcium current (ICa(T) and ICa(L)) and their relationship with contraction were studied in isolated frog atrial trabeculae using the double mannitol gap technique. In Ringer solution containing TTX the calcium currents observed are similar to the ICa(T) and ICa(L) found in single frog a...

journal_title：Experimental physiology

authors： Badaoui A,Léoty C

更新日期：1994-09-01 00:00:00

abstract：:Non-invasive autonomic evaluation has used fast Fourier transform (FFT) to assign a range of low (LF) and high frequencies (HF) as markers of sympathetic and parasympathetic influences, respectively. However, FFT cannot be applied to brief transient phenomena, such as those observed on performing autonomic tests where...

journal_title：Experimental physiology

authors： Ducla-Soares JL,Santos-Bento M,Laranjo S,Andrade A,Ducla-Soares E,Boto JP,Silva-Carvalho L,Rocha I

更新日期：2007-07-01 00:00:00

abstract：:Disrupting circadian rhythms in rodents perturbs glucose metabolism and increases adiposity. To determine whether these effects occur in a large diurnal animal, we assessed the impact of circadian rhythm disruption upon metabolic function in sheep. Adult ewes (n = 7) underwent 3 weeks of a control 12 h light-12 h dark...

journal_title：Experimental physiology

authors： Varcoe TJ,Gatford KL,Voultsios A,Salkeld MD,Boden MJ,Rattanatray L,Kennaway DJ

更新日期：2014-09-01 00:00:00

abstract：:The application of the four main techniques available for examining the properties of alpha-adrenoceptors, gene coding, radioligand, biochemical and functional methods, has reinforced the earlier subclassification (alpha 1- and alpha 2-subtypes). These different techniques have not yet yielded subclassifications which...

journal_title：Experimental physiology

authors： Wilson VG,Brown CM,McGrath JC

更新日期：1991-05-01 00:00:00

abstract：:Increased fetal lung expansion, induced by tracheal obstruction (TO), is a potent stimulus for fetal lung growth, but rapidly reduces surfactant protein (SP) mRNA levels. Our aim was to determine the time course for the re-expression of the surfactant proteins in fetal lung tissue following the release of a TO and to ...

journal_title：Experimental physiology

authors： Lines A,Gillett AM,Phillips ID,Wallace MJ,Hooper SB

更新日期：2001-01-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? To what extent focal abdominal aortic aneurysmal (AAA) disease is associated with systemic remodelling of the vascular tree remains unknown. The present study examined whether anatomical differences exist between distances of the intervisceral artery origins and ...

journal_title：Experimental physiology

authors： Bailey DM,Evans TG,Thomas KG,White RD,Twine CP,Lewis MH,Williams IM

更新日期：2016-08-01 00:00:00

abstract：:Indirect evidence supporting a solute-coupled liquid absorption from the pleural space of rabbits has recently been provided; moreover, the beta 2-adrenoceptor agonist terbutaline has been found to increase this absorption. In this study the effect of adrenaline and alpha-adrenoceptor agonists on net rate of liquid ab...

journal_title：Experimental physiology

authors： Zocchi L,Raffaini A,Agostoni E

更新日期：1997-05-01 00:00:00

abstract：:Effects of altered maternal salt intake between 122 and 127 days gestation (term is 150 days) were studied in eight fetuses carried by ewes which had renal insufficiency caused by subtotal nephrectomy (STNxF) and seven fetuses carried by intact ewes (IntF). Plasma sodium and osmolality were increased in ewes with subt...

journal_title：Experimental physiology

authors： Boyce AC,Gibson KJ,Thomson CL,Lumbers ER

更新日期：2008-02-01 00:00:00

abstract：:To better understand the mechanisms underlying the pulmonary O(2) uptake (V(O(2P))) slow component during high-intensity exercise, we used (31)P magnetic resonance spectroscopy, gas exchange, surface electromyography and near-infrared spectroscopy measurements to examine the potential relationship between the slow com...

journal_title：Experimental physiology

authors： Layec G,Bringard A,Yashiro K,Le Fur Y,Vilmen C,Micallef JP,Perrey S,Cozzone PJ,Bendahan D

更新日期：2012-08-01 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：: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