succinic dehydrogenase/fatigue

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AiltTrialacha cliniciúlaPaitinní

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Leathanach 1 ó 22 torthaí

Correlates of fatigue resistance in canine skeletal muscle stimulated electrically for up to one year.

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Logáil Isteach / Cláraigh

In response to patterns of chronic electrical stimulation that increase its overall level of use, mammalian skeletal muscle becomes highly resistant to fatigue. The metabolic basis for this adaptation is well documented in the rabbit, but up to now it has not been possible to identify analogous

Respiratory muscle fatigue resistance relates to myosin phenotype and SDH activity during development.

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Logáil Isteach / Cláraigh

We correlated the fatigue resistance (FR) of the costal diaphragm (DIA) and external abdominal oblique (EAO) of the rat during postnatal development with their respective 1) myosin heavy chain (MHC) phenotypes and 2) oxidative capacities [indexed by quantitative measurements of succinic

Rat diaphragm oxidative capacity, antioxidant enzymes, and fatigue: newborn versus adult.

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Logáil Isteach / Cláraigh

Little is known about the antioxidant capacity and oxidant-generating potential of newborn muscle, or how these properties compare with the adult and relate to fatigue resistance. We determined the 1) antioxidant enzyme activities [superoxide dismutase (SOD), catalase, glutathione peroxidase], 2)

Fiber type distribution and maximal activities of enzymes involved in energy metabolism following short-term supramaximal exercise.

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Logáil Isteach / Cláraigh

Alterations in enzyme activities involved in muscle energy metabolism and the muscle fiber type distribution were investigated in six subjects, ranging in age from 19-23 years, following short-term, high intensity exercise. Changes in the vastus lateralis muscle were studied prior to exercise and

Histochemical, enzymatic, and contractile properties of skeletal muscle fibers in the lizard Dipsosaurus dorsalis.

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Logáil Isteach / Cláraigh

Lizard skeletal muscle fiber types were investigated in the iliofibularis (IF) muscle of the desert iguana (Dipsosaurus dorsalis). Three fiber types were identified based on histochemical staining for myosin ATPase (mATPase), succinic dehydrogenase (SDH), and alphaglycerophosphate dehydrogenase

Muscle and nerve dysfunction in rats with experimental galactosaemia.

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Logáil Isteach / Cláraigh

The effects of up to 4 months dietary supplementation with 40% galactose on muscle and nerve function were examined in rats. Galactitol, a polyol pathway metabolite, accumulated to high levels in both tissues. This led to changes similar to those found in experimental diabetes, which were largely

Influence of direct low frequency stimulation on contractile properties of denervated fast-twitch rabbit muscle.

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Logáil Isteach / Cláraigh

A continuous electrical 8 Hz impulse pattern imposed directly via implanted electrodes on denervated fast twitch muscle induced changes in its contractile characteristics. Compared with non-stimulated denervated muscle, stimulated muscle showed slowing of contraction time and improved fatigue

Fatiguability and oxidative capacity of forelimb and hind limb muscles of dystrophic mice.

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Logáil Isteach / Cláraigh

Fatigue indices and succinic dehydrogenase (SDH) activities were determined in the extensor digitorum longus (EDL) and soleus muscles of the hind limb and the extensor carpi radialis longus of the forelimb in control and dystrophic mice aged 4 to 26 weeks. A good correlation was found between SDH

The contractile properties, histochemistry, ultrastructure and electrophysiology of the cricothyroid and posterior cricoarytenoid muscles in the rat.

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Logáil Isteach / Cláraigh

The contractile, histochemical, morphological and electrophysiological properties of two rat laryngeal muscles, the cricothyroid and posterior cricoarytenoid, have been measured. Both muscles act during respiration to maintain upper airway patency and an even distribution of air in the lungs. The

The postnatal development of the inferior oblique muscle of the cat. III. Fiber sizes and histochemical properties.

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Logáil Isteach / Cláraigh

Transversal sections of the inferior oblique muscle from kittens of various ages and from adult cats were stained for myofibrillar ATP-ase at Ph 9.4 and 4.35, succinic dehydrogenase (SDH) and fat. The same muscles had previously been submitted to studies of contractional and fatigue properties. With

Association of peak aerobic power with capillary density but not oxidative potential in human vastus lateralis muscle.

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Logáil Isteach / Cláraigh

In this study, we have postulated that in healthy males, peak aerobic power ([Formula: see text]) would associate with muscle capillary density rather than oxidative potential, regardless of fibre type or subtype. To test this, active but untrained volunteers (n = 11) were separated into high (HI)

Effects of enhanced activity on synaptic transmission in mouse extensor digitorum longus muscle.

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Logáil Isteach / Cláraigh

1. Transmitter release at neuromuscular junctions of extensor digitorum longus (EDL) muscle in mice was studied after 2-8 month periods of unforced running in wheels. 2. Intracellular recordings at 10 Hz stimulation revealed that the quantal content of endplate potentials (EPPs) in Mg(2+)-blocked

Histochemical analysis of muscle fiber types of rat superior rectus extraocular muscle.

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Logáil Isteach / Cláraigh

Extraocular muscles (EOMs) represent a distinctive class among mammalian skeletal muscles in exhibiting unique anatomical and physiological properties. To gain insight into the basis for the unique structural/functional diversity of EOM fiber types and to explain their high fatigue resistance, rat

"Red" fibres of pigeon pectoralis major muscle are "type II red".

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Logáil Isteach / Cláraigh

On the basis of the histochemical activity of succinic dehydrogenase, only two fibre-types are distinguished in pigeon pectoralis major muscle. These are narrow "Red" and broad "White". The histochemical activity of myofibrillar ATPase was studied in these two distinct fibre-types. Both fibre-types

Effects of low-frequency electrical stimulation on fast and slow muscles of the rat.

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Logáil Isteach / Cláraigh

Leg muscles of adult rats were stimulated chronically at a low-frequency, and the histochemical reactions of various enzymes (succinic dehydrogenase, mitochondrial alpha-glycerophosphate dehydrogenase, phosphorylase, alkali-ATPase and acid-ATPase), capillary density, resistance to fatigue, and

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