The effects of sex and neonatal stress on pituitary adenylate cyclase-activating peptide expression.

abstract：:Neural mediation of the human cardiac response to isocapnic (IC) steady-state hypoxaemia was investigated using coarse-graining spectral analysis of heart rate variability (HRV). Six young adults were exposed in random order to a hypoxia or control protocol, in supine and sitting postures, while end-tidal PCO2 (PET,CO...

journal_title：Experimental physiology

authors： Lucy SD,Hughson RL,Kowalchuk JM,Paterson DH,Cunningham DA

更新日期：2000-03-01 00:00:00

abstract：NEW FINDINGS:What is the topic of this review? This review concerns the negative impact of pulmonary hypertension (PH) on the pulmonary haemodynamic and gas exchange responses to exercise, considering the mechanisms by which PH plays a role in exercise intolerance in heart failure (HF) patients. What advances does it h...

journal_title：Experimental physiology

authors： Taylor BJ,Shapiro BP,Johnson BD

更新日期：2020-02-24 00:00:00

abstract：:Mechanical properties of the vascular smooth muscle from normal and dystrophin-deficient (mdx) mice were examined. Changes in resting and developed tensions in response to stretch were recorded in isolated portal vein. The vascular segments were elongated in 5 % increments of the 'in situ' length (Lr) up to 1.30Lr. Th...

journal_title：Experimental physiology

authors： Mancinelli R,Tonali P,Romani R,Tringali A,Vargiu R,AZZENA GB

更新日期：1999-09-01 00:00:00

abstract：:In order to investigate the effect of chronic sodium depletion on renal proximal tubular reabsorption, studies were performed in conscious, unrestrained Brattleboro rats. Since these animals lack circulating vasopressin, fractional water reabsorption in the distal nephron can be assumed to be constant and changes in u...

journal_title：Experimental physiology

authors： Shirley DG,Skinner J

更新日期：1994-03-01 00:00:00

abstract：:Plasticity of insulin secretion is essential to maintain the action of insulin during insulin resistance and to prevent diabetes. Investigation of the plasticity of insulin secretion and its regulation is challenging, and the objective of this study was to develop a novel large-animal-based model. The effect of chroni...

journal_title：Experimental physiology

authors： Gatford KL,De Blasio MJ,How TA,Harland ML,Summers-Pearce BL,Owens JA

更新日期：2012-05-01 00:00:00

abstract：:A sustained postexercise vasodilatation, which is histamine receptor mediated, has been observed following single bouts of whole-body exercise, but the mechanisms that regulate activation of histamine receptors following exercise are undefined. Exploration of vasodilatation after small muscle-mass dynamic or resistanc...

journal_title：Experimental physiology

authors： Barrett-O'Keefe Z,Kaplon RE,Halliwill JR

更新日期：2013-01-01 00:00:00

abstract：:To probe the mechanisms by which respiratory syncytial virus (RSV) infection in early life forms an important risk factor for the development of chronic asthma, an airway hyper-responsiveness (AHR) animal model of guinea-pigs with persistent RSV infection was established by intranasal instillation of 2 x 10(5) plaque-...

journal_title：Experimental physiology

authors： Tan Y,Yang T,Liu S,Liu H,Xiang Y,Qu F,Li H,Qin X

更新日期：2008-12-01 00:00:00

abstract：:This review explores the current concepts relating the structural and functional modifications of skeletal muscle mitochondria to the molecular mechanisms activated when organisms are exposed to a hypoxic environment. In contrast to earlier assumptions it is now established that permanent or long-term exposure to seve...

journal_title：Experimental physiology

authors： Hoppeler H,Vogt M,Weibel ER,Flück M

更新日期：2003-01-01 00:00:00

abstract：:The purpose of this study was to compare the kinetics of estimated capillary blood flow (Qcap) to those of femoral artery blood flow (QFA) and estimated muscle oxygen uptake (VO2m). Nine healthy subjects performed a series of transitions from rest to moderate (below estimated lactate threshold, 6 min bouts) knee exten...

journal_title：Experimental physiology

authors： Harper AJ,Ferreira LF,Lutjemeier BJ,Townsend DK,Barstow TJ

更新日期：2006-07-01 00:00:00

abstract：:The glucagon response to insulin-induced hypoglycaemia was tested in rats that had been pinealectomised (Px), pinealectomised and fitted with melatonin implants (Px + MLT), or sham-operated (SO). The glucagon response to hypoglycaemia observed in SO rats (216 +/- 27 pg x ml(-1) at baseline versus 397 +/- 35 pg x ml(-1...

journal_title：Experimental physiology

authors： Kosa E,Maurel D,Siaud P

更新日期：2001-09-01 00:00:00

abstract：:The present study examined whether an increase in leg blood flow and oxygen delivery at the onset of intense exercise would speed the rate of rise in leg oxygen uptake. Nine healthy men (25 ± 1 years old, mean ± SEM) performed one-leg knee-extensor exercise (62 ± 3 W, 86 ± 3% of incremental test peak power) for 4 min ...

journal_title：Experimental physiology

authors： Nyberg M,Christensen PM,Mortensen SP,Hellsten Y,Bangsbo J

更新日期：2014-10-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? The central question of this study was to investigate the interaction of mild exposures to O2 and CO2 on chemoreflex control of SNA and the modulation of lung volume and respiratory phase on this interaction. What is the main finding and its importance? We demons...

journal_title：Experimental physiology

authors： Jouett NP,Watenpaugh DE,Dunlap ME,Smith ML

更新日期：2015-09-01 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：NEW FINDINGS:What is the central question of this study? Does treatment of obstructive sleep apnoea (OSA) with nocturnal oxygen or continuous positive airway pressure (CPAP) improve hypoxic vascular responses, which are reportedly impaired in OSA? What is the main finding and its importance? Cerebrovascular and cardiov...

journal_title：Experimental physiology

authors： Beaudin AE,Hanly PJ,Raneri JK,Sajobi TT,Anderson TJ,Poulin MJ

更新日期：2019-04-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? Does hsa_circ_001653 influence the development of gastric cancer (GC) and if so how? What is the main finding and its importance? Bioinformatics analysis revealed the presence of differentially expressed hsa_circ_001653 in GC and adjacent normal tissues, and this...

journal_title：Experimental physiology

authors： Zhou W,Jiang R,Wang Y,Li Y,Sun Z,Zhao H

更新日期：2020-10-02 00:00:00

abstract：:A method is described that enables the cell membrane of isolated rat ventricular myocytes to be permeabilized and resealed while maintaining cell viability. Streptolysin O, a cholesterol-binding cytolysin, was used to form pores in the surface membrane; subsequent incubation with 5% fetal bovine serum was used to reve...

journal_title：Experimental physiology

authors： Fawcett JM,Harrison SM,Orchard CH

更新日期：1998-05-01 00:00:00

abstract：:Power spectral analysis of heart rate variability has often been used to assess cardiac autonomic function; however, the relationship of low-frequency (LF) power of heart rate variability to cardiac sympathetic tone has been unclear. With or without adjustment for high-frequency (HF) power, total power or respiration,...

journal_title：Experimental physiology

authors： Goldstein DS,Bentho O,Park MY,Sharabi Y

更新日期：2011-12-01 00:00:00

abstract：NEW FINDINGS:What is the topic of this review? The sympathetic control of renal sodium tubular reabsorption is dependent on activation of the intrarenal renin-angiotensin system and activation of the angiotensin II type 1 (AT1 ) receptor by angiotensin II. What advances does it highlight? Despite the fact that the inte...

journal_title：Experimental physiology

authors： Pontes RB,Girardi AC,Nishi EE,Campos RR,Bergamaschi CT

更新日期：2015-04-20 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：: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：:Lower body negative pressure (LBNP) reduces central venous pressure (CVP) and cardiac output. The elderly are reported to have a limited capacity to increase cardiac output by increasing heart rate (HR), are especially dependent on end diastolic volume to maintain stroke volume and therefore should be especially vulne...

journal_title：Experimental physiology

authors： van Hoeyweghen R,Hanson J,Stewart MJ,Dethune L,Davies I,Little RA,Horan MA,Kirkman E

更新日期：2001-05-01 00:00:00

abstract：:Salivary fluid secretion is dependent upon reflex stimuli mediated by autonomic nerves. In order to determine if immunoglobulin A (IgA) and salivary proteins are secreted in the absence of nerve stimulation, small volumes (< 2 microl) of saliva were consecutively collected from the submandibular duct of anaesthetised ...

journal_title：Experimental physiology

authors： Proctor GB,Carpenter GH,Segawa A,Garrett JR,Ebersole L

更新日期：2003-01-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? Research has reported that some sensory input, such as auditory and olfactory input, can affect subliminal visual processing. However, it is important to address whether tactile input, another form of elementary sensory input, could influence the interocular riva...

journal_title：Experimental physiology

authors： Lang Y,Gao M,Huang Q,Liu Z,Wu L,Tang R

更新日期：2019-11-01 00:00:00

abstract：:Hypoxia has been reported to increase arterial potassium concentration ([K+]a) in anaesthetized cats (Paterson, Estavillo & Nye, 1988). The purpose of this study was to determine whether this phenomenon occurs in humans. The effect of hypoxia on [K+]a was measured in ten male subjects, at rest and during light exercis...

journal_title：Experimental physiology

authors： Barlow CW,Qayyum MS,Davey PP,Paterson DJ,Robbins PA

更新日期：1994-03-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? Does the magnitude of neuromuscular fatigue depend on the amount of work done (W') at task failure when cycling above critical power (CP)? What is the main finding and its importance? Creatine supplementation increases W' and enhances supra-CP performance, but in...

journal_title：Experimental physiology

authors： Schäfer LU,Hayes M,Dekerle J

更新日期：2019-12-01 00:00:00

abstract：:Despite its critical role in restoring cardiac rhythm and thus in saving human life, cardiac defibrillation remains poorly understood. Further mechanistic inquiry is hampered by the inability of presently available experimental techniques to resolve, with sufficient accuracy, electrical behaviour confined to the depth...

journal_title：Experimental physiology

authors： Trayanova N

更新日期：2006-03-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? At near-term gestation, foramen ovale blood flow accounts for a significant proportion of fetal left ventricular output. Can the foramen ovale increase its volume blood flow when right ventricular afterload is increased by main pulmonary artery occlusion? What is...

journal_title：Experimental physiology

authors： Lantto J,Erkinaro T,Haapsamo M,Huhta H,Voipio HM,Hohimer AR,Davis LE,Acharya G,Räsänen J

更新日期：2019-02-01 00:00:00

abstract：:Altered systemic haemodynamics following exercise can compromise cerebral perfusion and result in syncope. As the Wingate anaerobic test often induces presyncope, we hypothesized that a modified Wingate test could form the basis of a novel model for the study of postexercise syncope and a test bed for potential counte...

journal_title：Experimental physiology

authors： Lacewell AN,Buck TM,Romero SA,Halliwill JR

更新日期：2014-01-01 00:00:00

abstract：:A great variety of viruses have been engineered to serve as expression vectors. Among them, the alphaviruses Semliki Forest virus and Sindbis virus represent promising tools for heterologous gene expression in a wide variety of host cells. Several applications have already been described in neurobiological studies, in...

journal_title：Experimental physiology

authors： Rhême C,Ehrengruber MU,Grandgirard D

更新日期：2005-01-01 00:00:00

abstract：:Recent studies showed that progesterone stimulates the hypoxic ventilatory response and may reduce apnoea frequency in newborn rats, but so far we still do not know by what mechanisms and whether endogenous progesterone might contribute to respiratory control in neonates. We therefore determined the role of the nuclea...

journal_title：Experimental physiology

authors： Potvin C,Rossignol O,Uppari N,Dallongeville A,Bairam A,Joseph V

更新日期：2014-11-01 00:00:00