Sympathetic innervation and beta-adrenoceptor profile of blood vessels in the posterior region of the rabbit knee joint.

abstract：:This investigation was designed to determine the participation of the vagus nerve and muscarinic receptors in the remote ischaemic preconditioning (rIPC) mechanism. New Zealand rabbits were anaesthetized, and the femoral artery was dissected. After 30 min of monitoring, the hearts were isolated and subjected to 30 min...

journal_title：Experimental physiology

authors： Donato M,Buchholz B,Rodríguez M,Pérez V,Inserte J,García-Dorado D,Gelpi RJ

更新日期：2013-02-01 00:00:00

abstract：:The study examined the effect of salt-induced hypertension on vascular relaxation in response to magnesium sulphate during pregnancy. Pregnant Wistar rats were fed for 6 weeks on a diet containing 0.3% (control) and 8.0% (test) sodium chloride. Aortic rings were then removed and contracted with 10(-7) M phenylephrine ...

journal_title：Experimental physiology

authors： Aloamaka CP,Ezimokhai M,Osman NA,Morrison J

更新日期：1995-01-01 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：: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? What are the molecular underpinnings of seasonal metabolic plasticity during spring and autumn migrations in songbirds? What is the main finding and its importance? We report differences in mRNA levels of genes involved in the regulation of glucose and fat metabo...

journal_title：Experimental physiology

authors： Sharma A,Kumar V

更新日期：2019-12-01 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：NEW FINDINGS:What is the central question of this study? What mechanisms account for the hypotension observed during chronic elevations in circulating 5-hydroxytryptamine in rats? What is the main finding and its importance? Chronic 5-hydroxytryptamine-induced hypotension requires continued activation of the 5-HT7 rece...

journal_title：Experimental physiology

authors： Seitz BM,Fink GD,Watts SW

更新日期：2020-10-14 00:00:00

abstract：:The role of endothelium in the decreased contraction to phenylephrine in aorta of pregnant Wistar rats has been studied. Contractions in response to phenylephrine were significantly decreased in aortic rings from pregnant rats compared to those from non-pregnant rats. Pretreatment of the rings with indomethacin did no...

journal_title：Experimental physiology

authors： Aloamaka CP,Ezimokhai M,Cherian T,Morrison J

更新日期：1993-05-01 00:00:00

abstract：:Fluid and electrolyte movements across the ruminal epithelium of sheep were studied using the temporarily isolated rumen technique. The sheep were all subjected to the following treatments: (1) fed sheep (fed twice daily), after rumen emptying, received rumen contents from a fed sheep; (2) food-deprived sheep (two mea...

journal_title：Experimental physiology

authors： Holtenius K,Dahlborn K

更新日期：1990-01-01 00:00:00

abstract：:The contribution of almitrine bismesylate to the occurrence and pattern of augmented breaths was studied in fifteen spontaneously breathing, anaesthetized cats. Breathing was via a tracheostomy, while the laryngeal resistance to airflow was measured with the larynx isolated in situ. Almitrine bismesylate at a dose of ...

journal_title：Experimental physiology

authors： Szereda-Przestaszewska M,Jakus J,Stránsky A,Baráni H

更新日期：1992-01-01 00:00:00

abstract：:This study presents a perfused preparation for evaluation of metabolism in pig intercostal muscle in vitro. Preserved vessels and nerves to an intercostal segment including two adjacent ribs allowed for tissue perfusion and electrical stimulation with measurement of contraction force, oxygen consumption and 31P-magnet...

journal_title：Experimental physiology

authors： Pedersen BL,Arendrup H,Secher NH,Quistorff B

更新日期：2006-07-01 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：:What is the central question of this study? Failure to terminate apnoea and arouse is likely to contribute to sudden infant death syndrome (SIDS). Serotonin is deficient in the brainstems of babies who died of SIDS. Therefore, we tested the hypothesis that serotonin in the nucleus of the solitary tract (NTS) would sho...

journal_title：Experimental physiology

authors： Donnelly WT,Bartlett D Jr,Leiter JC

更新日期：2016-07-01 00:00:00

abstract：:We present a curve-fitting approach that permits quantitative comparisons of fatigue profiles obtained with different stimulation protocols in isolated slow-twitch soleus and fast-twitch extensor digitorum longus (EDL) muscles of mice. Profiles from our usual stimulation protocol (125 Hz for 500 ms, evoked once every ...

journal_title：Experimental physiology

authors： Cairns SP,Robinson DM,Loiselle DS

更新日期：2008-07-01 00:00:00

abstract：:Rat hippocampal neurones in primary culture exhibited directional growth in response to DC electric fields. Neurites lay perpendicular to the field after exposure to 28, 80 or 219 mV/mm but there was no orientation effect at 9 mV/mm or in unexposed control cultures. Fields that evoked perpendicular responses also redu...

journal_title：Experimental physiology

authors： Rajnicek AM,Gow NA,McCaig CD

更新日期：1992-01-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? Is chemerin, an adipokine implicated in obesity, increased in neonates following in utero cigarette smoke exposure. What is the main finding and its importance? Chemerin mRNA expression was increased and chemerin DNA methylation was decreased in babies born to mo...

journal_title：Experimental physiology

authors： Reynolds LJ,Chavan NR,DeHoff LB,Preston JD,Maddox HF,O'Brien JM,Armstrong DA,Marsit CJ,Pearson KJ

更新日期：2019-01-01 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

abstract：:We have considered the manner in which data obtained with ion-selective electrodes should be evaluated. The potential difference recorded by such electrodes, with respect to a stable reference, is converted to a concentration by a non-linear transformation--the Nernst or Nikolsky equation. The mean and standard deviat...

journal_title：Experimental physiology

authors： Fry CH,Hall SK,Blatter LA,McGuigan JA

更新日期：1990-03-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? Compared with Caucasians, African individuals are more susceptible to non-freezing cold injury and experience greater cutaneous vasoconstriction and cooler finger skin temperatures upon hand cooling. We investigated whether the enzyme cyclooxygenase is, in part, ...

journal_title：Experimental physiology

authors： Maley MJ,House JR,Tipton MJ,Eglin CM

更新日期：2017-07-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? In fever, the most striking response in the acute phase reaction of systemic inflammation, plasma H2 S concentration increases. However, the role of endogenous peripheral H2 S in fever is unknown. What is the main finding and its importance? Endogenous peripheral...

journal_title：Experimental physiology

authors： Soriano RN,Braga SP,Breder JSC,Batalhao ME,Oliveira-Pelegrin GR,Ferreira LFR,Rocha MJA,Carnio EC,Branco LGS

更新日期：2018-03-01 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：:Previously, we undertook simultaneous recording of ventilation and pulmonary gas exchange in mice and revealed that dopamine D(2) receptors participate in exercise hyperpnoea via behavioural control of ventilation with unchanged pulmonary gas exchange. Here, we examined the hypothesis that D(1) receptors also contribu...

journal_title：Experimental physiology

authors： Iwase M,Izumizaki M,Tsuchiya N,Homma I

更新日期：2013-02-01 00:00:00

abstract：:Very brief and intense exercise triggers a biphasic metabolic and respiratory response with a second phase that occurs after the cessation of the muscular activity. The effects on minute ventilation (V(E)) produced by manipulation of the peripheral circulation in metabolically active muscles could thus be studied with...

journal_title：Experimental physiology

authors： Haouzi P,Chenuel B,Chalon B

更新日期：2001-11-01 00:00:00

abstract：:Aortic bodies are arterial chemoreceptors presumed to monitor blood O2 content by unknown mechanisms, in contrast to their well-studied carotid body counterparts, which monitor PO2 and /pH. We recently showed that rat aortic body chemoreceptors (type I cells), located at the left vagus-recurrent laryngeal nerve bifurc...

journal_title：Experimental physiology

authors： Piskuric NA,Zhang M,Vollmer C,Nurse CA

更新日期：2014-01-01 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：NEW FINDINGS:What is the central question of this study? What are the ultrastructural changes of the caecal mucosa and the status of epithelial cellular apoptosis and oxidative reactions in lactating goats after prolonged feeding with a high-concentrate diet? What is the main finding and its importance? High-concentrat...

journal_title：Experimental physiology

authors： Tao S,Tian J,Cong R,Sun L,Duanmu Y,Dong H,Ni Y,Zhao R

更新日期：2015-03-01 00:00:00

abstract：:The contractile regulation of neonatal smooth muscle was studied in rat neonatal portal vein. Strips of beta-escin-permeabilized portal vein from 3- to 5-day-old rats and 5- to 6-week-old rats were mounted on a 'bubble chamber' in calcium solutions buffered with 10 mM EGTA. Although the overall tension development was...

journal_title：Experimental physiology

authors： Bruce L,Nixon GF

更新日期：1997-11-01 00:00:00

abstract：:The physiological mechanisms contributing to sex differences following myocardial infarction (MI) are poorly understood. Given the strong relationship between sympathetic nerve activity (SNA) and outcome, we hypothesized there may be a sex difference in SNA responses to MI. In anaesthetized, open-chest male, female an...

journal_title：Experimental physiology

authors： Pinkham MI,Guild SJ,Malpas SC,Barrett CJ

更新日期：2012-09-01 00:00:00

abstract：:In anaesthetized cats, reflex respiratory responses were evoked by electrically stimulating proximal ends of cut nerves to gastrocnemius-soleus muscles of the left hindlimb. The direction of these responses, in the excitatory or inhibitory sense, depended on the types of afferent fibres stimulated and on the mode of s...

journal_title：Experimental physiology

authors： Decandia M,Orani GP

更新日期：1995-01-01 00:00:00

abstract：NEW FINDINGS:What is the central question of this study? The role of the cerebral haemodynamic response to either normobaric or hypobaric hypoxia in people susceptible to acute mountain sickness (AMS) is still under debate. Prefrontal cortex near-infrared spectroscopy-derived parameters were monitored in normobaric hyp...

journal_title：Experimental physiology

authors： Manferdelli G,Marzorati M,Easton C,Porcelli S

更新日期：2021-01-01 00:00:00