Effects of sex and ovarian hormones on the initial renal sympathetic nerve activity response to myocardial infarction.

abstract：NEW FINDINGS:What is the central question of this study? What are the effects of a 2 week period of severe food restriction on vascular reactivity of resistance arteries and on cardiac structure and function? What is the main finding and its importance? This study showed, for the first time, that a 2 week period of sev...

journal_title：Experimental physiology

authors： Almeida JFQ,Shults N,de Souza AMA,Ji H,Wu X,Woods J,Sandberg K

更新日期：2020-07-01 00:00:00

abstract：:Cardiovascular arousal is associated with patterned cortical activity changes. Head-down-tilt bed rest (HDBR) dimishes the baroreflex-mediated cardiac control. The present study tested the hypothesis that HDBR deconditioning would modify the forebrain organization for heart rate (HR) control during baroreflex unloadin...

journal_title：Experimental physiology

authors： Shoemaker JK,Usselman CW,Rothwell A,Wong SW

更新日期：2012-12-01 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：:What is the topic of this review? We review the current literature on the neural reflex termed the 'inflammatory reflex' that inhibits an excessive release of inflammatory mediators in response to an immune challenge. What advances does it highlight? The original model proposed that the inflammatory reflex is a vago-v...

journal_title：Experimental physiology

authors： Martelli D,Farmer DG,Yao ST

更新日期：2016-10-01 00:00:00

abstract：:Converging lines of evidence from epidemiological studies and animal models now indicate that the origins of obesity and related metabolic disorders lie not only in the interaction between genes and traditional adult risk factors, such as unbalanced diet and physical inactivity, but also in the interplay between genes...

journal_title：Experimental physiology

authors： Taylor PD,Poston L

更新日期：2007-03-01 00:00:00

abstract：:We have functionally expressed and identified a monocarboxylate transporter (MCT1) from rat jejunal enterocyte and we provide evidence for its basolateral localization. Poly(A)+ RNA isolated from rat jejunum was injected into Xenopus laevis oocytes and expression of a proton-lactate symporter was investigated by means...

journal_title：Experimental physiology

authors： Orsenigo MN,Tosco M,Bazzini C,Laforenza U,Faelli A

更新日期：1999-11-01 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 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：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：: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：:It has been shown previously that the amplitudes of the harmonic components of the pulse spectrum vary in specific patterns when the arteries leading to different organs are ligated, with the variations in the harmonics being linearly additive. Since ligation can be regarded as a vast increase in organ resistance, the...

journal_title：Experimental physiology

authors： Hsu TL,Chao PT,Hsiu H,Wang WK,Li SP,Wang YY

更新日期：2006-01-01 00:00:00

abstract：:Noxious somatic stimulation evokes respiratory and autonomic responses. The mechanisms underlying the responses and the manner in which they are co-ordinated are still unclear. The effects of activation of somatic nociceptive fibres on lumbar sympathetic nerve activity at slow (2-10 Hz) and fast frequency bands (100-1...

journal_title：Experimental physiology

authors： Korim WS,Egwuenu E,Fong AY,McMullan S,Cravo SL,Pilowsky PM

更新日期：2012-10-01 00:00:00

abstract：:Neural activation decreases cerebral deoxyhaemoglobin (HHb(C)) and increases oxyhaemoglobin concentration (O(2)Hb(C)). In contrast, patients who present with restricted cerebral blood flow, such as those suffering from cerebral ischaemia or Alzheimer's disease, and during the course of ageing the converse occurs, in t...

journal_title：Experimental physiology

authors： Miyazawa T,Horiuchi M,Ichikawa D,Sato K,Tanaka N,Bailey DM,Ogoh S

更新日期：2012-02-01 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：:An imaging technique (laser Doppler perfusion imaging, LDI), based on measurement of backscattered Doppler-broadened laser radiation, was used to provide two-dimensional images of perfusion in the exposed rat knee joint capsule. In control animals, frequency-dependent constriction of knee joint blood vessels occurred ...

journal_title：Experimental physiology

authors： Karimian SM,McDougall JJ,Ferrell WR

更新日期：1995-05-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? What is the role of microRNA-424-5p (miR-424-5p) in aortic smooth muscle cells? How does miR-424-5p function as a suppressor of the inflammatory response? What is the main finding and its importance? Upregulation of miR-424-5p inhibits the inflammatory response i...

journal_title：Experimental physiology

authors： Li C,Zhang M,Dai Y,Xu Z

更新日期：2020-06-01 00:00:00

abstract：:The precise role of vasopressin in the pathophysiology of cardiovascular disease is controversial, but this peptide hormone is important for several reasons. Firstly, circulating concentrations of vasopressin are elevated in heart failure and some forms of hypertension. Secondly, there is evidence that vasopressin is ...

journal_title：Experimental physiology

authors： Burrell LM,Risvanis J,Johnston CI,Naitoh M,Balding LC

更新日期：2000-03-01 00:00:00

abstract：:Ionic mechanisms and signal transduction underlying noradrenaline (NA)-induced depolarization in single smooth muscle cells of guinea-pig vas deferens were studied. NA caused depolarization followed by action potentials through activation of 1-adrenoceptors. In the presence of nifedipine, no action potential was gener...

journal_title：Experimental physiology

authors： Kamimura N,Suga S,Nakano K,Kanno T,Takeo T,Wakui M

更新日期：2000-01-01 00:00:00

abstract：:Previous studies have shown that prolactin administration to pregnant rats results in offspring with enhanced abundance of the brown adipose tissue-specific uncoupling protein (UCP) 1. The present study therefore aimed to determine whether a similar effect was observed after birth and if the sex of the animal further ...

journal_title：Experimental physiology

authors： Pearce S,Dieguez C,Gualillo O,Symonds ME,Stephenson T

更新日期：2003-07-01 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：NEW FINDINGS:What is the central question of this study? Our previous study demonstrates that elevated orexin 2 receptor (OX2R) activity within the rostral ventrolateral medulla (RVLM) contributes to hypertension in spontaneously hypertensive rats (SHRs), and a lower OX2R protein level was detected in their RVLM. The p...

journal_title：Experimental physiology

authors： Lee YH,Tsai MC,Li TL,Dai YW,Huang SC,Hwang LL

更新日期：2015-09-01 00:00:00

abstract：:The effects of muscle fatigue on the mechanical efficiency of muscle work performance were studied in situ, in stretch-shortening cycles that resembled physiological conditions. The experiments were performed on the medial gastrocnemius muscles of seven rats. To calculate efficiency, a simple Hill-type model was used,...

journal_title：Experimental physiology

authors： Ettema GJ

更新日期：1997-01-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? Are the urinary concentrations of NO and ATP, and their metabolites, associated with the severity of symptoms of overactive bladder? What is the main finding and its importance? The urinary ratios of [ATP/NO], [ADP/NO] and a combination of these, [ATP/Cr*ADP/Cr]/...

journal_title：Experimental physiology

authors： Firouzmand S,Young JS

更新日期：2020-06-01 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：:In the present study, we tested the hypothesis that chronic intermittent hypoxia (CIH) produces changes in the autonomic and respiratory responses to acute peripheral chemoreflex activation. To attain this goal, 3-week-old rats were exposed to 10 days of CIH (6% O(2) for 40 s at 9 min intervals; 8 h day(-1)). They wer...

journal_title：Experimental physiology

authors： Braga VA,Soriano RN,Machado BH

更新日期：2006-11-01 00:00:00

abstract：:5-[5-(2-Nitrophenyl) furfuryliodine]-1,3-diphenyl-2-thiobarbituric acid (UCF-101) is a protease inhibitor which was reported to protect against ischaemic heart damage and apoptosis. This study evaluated the impact of UCF-101 on steptozotocin (STZ)-induced diabetic cardiomyocyte dysfunction. Adult FVB mice were made di...

journal_title：Experimental physiology

authors： Li Q,Hueckstaedt LK,Ren J

更新日期：2009-09-01 00:00:00

abstract：:In this review we discuss our current understanding of the cellular basis of uterine contractility, highlighting those areas requiring further study. It is clear that the basic processes of excitation-contraction coupling lie within the myometrial cell, and that these may be modified by agonists. Pacemaker activity, h...

journal_title：Experimental physiology

authors： Wray S,Kupittayanant S,Shmygol A,Smith RD,Burdyga T

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：NEW FINDINGS:What is the central question of this study? Rate-pressure product (RPP) is commonly used as an index of cardiac 'effort'. In canine and human hearts (which have a positive force-frequency relationship), RPP is linearly correlated with oxygen consumption and has therefore been widely adopted as a species-in...

journal_title：Experimental physiology

authors： Aksentijević D,Lewis HR,Shattock MJ

更新日期：2016-02-01 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