Search Results - "Léoty, C."

Differential effects of nandrolone decanoate in fast and slow rat skeletal muscles by JOUMAA, Wissam H, LEOTY, Claude

“…We studied the effects of high doses of an anabolic-androgenic steroid, exercise training, and a combination of steroid and training on mammalian fast- and…”
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A comparative analysis of the effects of exercise training on contractile responses in fast- and slow-twitch rat skeletal muscles by Joumaa, W H, Léoty, C

“…The effects of 5 weeks treadmill-exercise training on isometric tension and contractile proteins were studied in intact and skinned isolated small bundles of…”
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Rapid cooling-induced contractures in rat skinned skeletal muscle fibres originate from sarcoplasmic reticulum Ca2+ release through ryanodine and inositol trisphosphate receptors by Talon, S, Huchet-Cadiou, C, Léoty, C

“…Previous reports have shown that cooling striated muscles induces contractile responses that are related to Ca2+ release from the sarcoplasmic reticulum…”
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Na+-Ca2+ exchange induces low Na+contracture in frog skeletal muscle fibers after partial inhibition of sarcoplasmic reticulum Ca2+-ATPase by Même, W., Léoty, C.

“…Contractile responses due to reduction in external sodium concentration ([Na^sup +^]^sub o^) were investigated in twitch skeletal muscle fibers of frog…”
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Inhibition of caffeine-induced Ca2+ release by adenosine in mammalian skinned slow- and fast-twitch fibres by Hleihel, W, Talon, S, Huchet-Cadiou, C, Léoty, C

“…The present study performed on chemically skinned skeletal fibres was designed to compare the effects of adenosine on the Ca2+ sensitivity of contractile…”
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Cyclopiazonic acid and thapsigargin reduce Ca2+ influx in frog skeletal muscle fibres as a result of Ca2+ store depletion by MÊME, W., LÉOTY, C.

“…We have investigated the influence of the sarcoplasmic reticulum (SR) Ca2+ content on the retrograde control of skeletal muscle L‐type Ca2+ channels activity…”
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Cyclopiazonic acid-induced changes in the contraction and Ca2+ transient of frog fast-twitch skeletal muscle by Même, W, Huchet-Cadiou, C, Léoty, C

“…The effects of cyclopiazonic acid (CPA) were investigated on isolated skeletal muscle fibers of frog semitendinosus muscle. CPA (0.5-10 microM) enhanced…”
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Effects of Cyclopiazonic Acid on Membrane Currents, Contraction and Intracellular Calcium Transients in Frog Heart by Badaoui, A., Huchet-Cadiou, C., Léoty, C.

“…The effects of cyclopiazonic acid, a specific inhibitor of the sarcoplasmic reticulum Ca 2+-ATPase, on membrane currents and contraction were investigated…”
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Inositol 1,4,5-trisphosphate-sensitive Ca2+ release in rat fast- and slow-twitch skinned muscle fibres by Talon, S, Huchet-Cadiou, C, Léoty, C

“…Inositol 1,4,5-trisphosphate (InsP3), an intracellular messenger, induces Ca2+ release in various types of cells, particularly smooth muscle cells. Its role in…”
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Nandrolone decanoate treatment induces changes in contractile responses of rat untrained fast-twitch skeletal muscle by JOUMAA, W. H., SERRURIER, B., BIGARD, X., LÉOTY, C.

“…ABSTRACT This investigation was designed to examine whether short‐term administration of anabolic–androgenic steroids (AAS) (nandrolone decanoate) could…”
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Nandrolone decanoate pre-treatment attenuates unweighting-induced functional changes in rat soleus muscle by Joumaa, W. H., Bouhlel, A., Bigard, X., Léoty, C.

“…ABSTRACT The effect of nandrolone decanoate pre‐treatment (15 mg kg−1 week−1, for 6 weeks) was tested on the changes in mass and contractile properties of…”
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Sarcoplasmic reticulum function in newborn ferret cremaster skeletal muscles by Huchet, C, Léoty, C

“…A study of the properties of the sarcoplasmic reticulum was performed with newborn ferret cremaster muscles at two different development stages: at 8 and 21…”
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Measurement of sarcomere length during fast contraction of muscle fibers by digital image analysis by Hajjar, Mohammad, Même, William, Léoty, Claude

“…A low-cost, high-resolution (spatial and temporal) image analysis system was developed to measure sarcomere length (Sl) during fast twitch of isolated striated…”
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Effects of Caffeine and Cyclopiazonic Acid on Contractile Proteins of Adult and Newborn Ferret Cardiac Fibres by Bonnet, Valérie, Léoty, Claude

“…Ventricular trabeculae from adult and newborn ferret heart were chemically skinned by Triton X-100 which disrupts all cellular membranes. In newborn…”
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Negative inotropic effect of heparin on tension development in rat skinned skeletal muscle fibres by Talon, Sophie, Huchet-Cadiou, Corinne, Léoty, Claude

“…Heparin inhibits inositol trisphosphate receptors, particularly in smooth muscle, but its effect on skeletal muscle is controversial. Our study showed that…”
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Caffeine stimulates the reverse mode of Na+/Ca2+ exchanger in ferret ventricular muscle by Léoty, C., Huchet-Cadiou, C., Talon, S., Choisy, S., Hleihel, W.

“…This study investigated the effect of caffeine on the sarcolemmal mechanisms involved in intracellular calcium control. Ferret cardiac preparations were…”
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Intracellular Na activity measurements in the control and hypertrophied heart of the ferret : an ion-sensitive micro-electrode study by BAUDET, S, NOIREAUD, J, LEOTY, C

“…Because of the role of intracellular Na on cardiac contractility and of the depressed isometric contractile response of the hypertrophied myocardium, the…”
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Changes of contractile responses due to simulated weightlessness in rat soleus muscle by Elkhammari, A, Noireaud, J, Léoty, C

“…Some contractile and electrophysiological properties of muscle fibers isolated from the slow-twitch soleus (SOL) and fast-twitch extensor digitorum longus…”
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Changes in voltage activation of contraction in frog skeletal muscle fibres as a result of sarcoplasmic reticulum Ca2+-ATPase activity by MEME, W, LEOTY, C

“…The effects of cyclopiazonic acid, a specific sarcoplasmic reticulum Ca2+‐ATPase inhibitor, on isometric tension were studied in response to prolonged…”
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Effect of haemodynamic pressure overload of the adult ferret right ventricle on inotropic responsiveness to external calcium and rest periods by BAUDET, S, NOIREAUD, J, LEOTY, C

“…The inotropic effects of external calcium concentration ([Ca2+]o] and rest periods have been compared in papillary muscles isolated from control (n = 4) and…”
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