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See detailMusaespora kalbii (lichenized Ascomycetes: Melanommatales), a new foliicolous lichen with a pantropical distribution
Lücking, Robert; Sérusiaux, Emmanuël ULg

in Nordic Journal of Botany (1997), 16

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See detailLe muscardin (Muscardinus avellanarius)
Libois, Roland ULg

Learning material (1994)

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See detailMuscarinic receptor subtypes in canine trachea.
Brichant, Jean-François ULg; Warner, David O; Gunst, Susan J et al

in American Journal of Physiology (1990), 258(6 Pt 1), 349-54

Prejunctional and postjunctional muscarinic receptor subtypes were characterized in canine trachealis muscle strips. In vitro contractile responses of muscle strips to acetylcholine or electric field ... [more ▼]

Prejunctional and postjunctional muscarinic receptor subtypes were characterized in canine trachealis muscle strips. In vitro contractile responses of muscle strips to acetylcholine or electric field stimulation were determined in the absence and the presence of gallamine, pirenzepine, and 4-diphenylacetoxy-N-methylpiperidine methiodide (4-DAMP). Gallamine had no effect on the contractile response to acetylcholine but enhanced the contractile response to electric field stimulation. Pirenzepine and 4-DAMP reduced the contractile response to acetylcholine and electric field stimulation. The pA2 value for pirenzepine vs. acetylcholine [7.18 +/- 0.59 (SD)] was consistent with the affinity of pirenzepine for M2 or M3-receptors; whereas the pA2 value for 4-DAMP vs. acetylcholine (8.92 +/- 0.42) and the extremely low affinity of gallamine indicated postjunctional muscarinic receptors of the M3 subtype. The enhancement of the contractile response to electric field stimulation by gallamine suggested the presence of M2-prejunctional receptors. [less ▲]

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See detailMuscle activation after ACL reconstruction: influence of the resistance pad position
Croisier, Jean-Louis ULg; Forthomme, Bénédicte ULg; Baudoin, Hervé et al

in Isokinetics & Exercise Science (2005, March), 13(1), 16-17

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See detailMuscle Characteristics, Meat Tenderness and Nutritional Qualities Traits of Borgou, Lagunaire and Zebu Fulani Bulls Raised on Natural Pasture in Benin
Salifou, C.F.A.; Dahouda, Mahamadou; Houaga, I et al

in International Journal of Animal and Veterinary Advances (2013), 5(4), 143-155

This study was carried out to evaluate muscle characteristics, meat ten derness and nutritional qualities of Benin indigenous cattle raised on natural pasture. Thus, 10 Zebu Fulani, 10 Borgou and 5 ... [more ▼]

This study was carried out to evaluate muscle characteristics, meat ten derness and nutritional qualities of Benin indigenous cattle raised on natural pasture. Thus, 10 Zebu Fulani, 10 Borgou and 5 Lagunaire were slaughtered at 5 years old and their Longissimus thoracis muscle samples were collected for analyses. Lactate dehydrogenase activity of Zebu Fulani was higher (p<0.05) than that of Lagunaire (3494 vs 2813 μmol/min/g protein) while that of Borgou was not significantly different from those of the two other breeds (p>0.05). As for isocitrate dehydrogenase, citrate synthase, cytochrome oxidase and phosphofructokinase, no significant difference was observed between the three breeds (p>0.05). By contrast, the total collagen content of Borgou (5.2 mg OH-proline/mg dry matter) was higher (p<0.01) than those of Zebu Fulani (3.1 mg OH-proline/mg dry matter) and Lagunaire (3.2 mg OH-proline/mg dry matter). The myosin heavy chain isoforms I, IIa and IIx were not different between the three breeds. The dry matter, the crude protein and the ether extract percentage were not significantly varied from one breed to another. Branched-chain Fatty Acids and saturated fatty acids contents were identical in Lagunaire and Borgou (p>0.05) while the Zebu Fulani had the highest values (p<0.05). The ratio n-6 to n-3 fatty acids obtained in the Zebu was the lower. In general, according to the fatty acids profile, Borgou and Lagunaire bulls’ meat is better than that of Zebu for heart disease [less ▲]

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See detailMuscle damage and delayed muscular soreness induced by eccentric isokinetic exercise
Croisier, Jean-Louis ULg; Camus, Gérard; Deby-Dupont, C. et al

in Pflügers Archiv : European Journal of Physiology (1995), 429

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See detailMuscle damage induced by concentric fatigue protocol. Comparative study between males and females
Croisier, Jean-Louis ULg; Maquet, Didier ULg; Camus, Gérard et al

in Proceedings of the 5th Annual Congress of the European College of Sport Science (2000, July)

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See detailMuscle energetics in exercising horses
Votion, Dominique ULg; Navet, Rachel ULg; Lacombe, A. et al

in Equine & Comparative Exercise Physiology (2007), 4

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See detailMuscle energetics in fibromyalgia patients explored by magnetic resonance imaging and 31P-spectroscopy
Maquet, Didier ULg; Vanderthommen, Marc ULg; Demoulin, Christophe ULg et al

in Pederson, John-A. (Ed.) New Research in Fibromyalgia (2006)

Objectives: The aim of this study was to use magnetic resonance imaging and 31P spectroscopy in order to explore muscle metabolism during exercise in fibromyalgia patients. Methods: Eight women with ... [more ▼]

Objectives: The aim of this study was to use magnetic resonance imaging and 31P spectroscopy in order to explore muscle metabolism during exercise in fibromyalgia patients. Methods: Eight women with fibromyalgia (FM) and 30 healthy volunteers were included in this study. Magnetic resonance imaging of the dominant leg was acquired in order to determine the maximal transverse section (MTS) of calf muscles and thus to calculate the different loads of exercise (dynamic plantar flexions). Subjects performed 3-6 bouts of 2 minutes with workload increments until exhaustion. Spectra were acquired continuously at rest, during the exercise and recovery periods. The analysis concerned the -, - and - ATP, Pi, PCr peaks, and intracellular pH. At the end of the exercise, a muscular efficacy index and the PCr re-phosphorylation time constant were calculated. Results: The MTS of the ankle plantar flexors reached respectively 43  7 cm² and 36.7  5 cm² in control and FM groups (p > 0.05). No significant difference (p > 0.05) was observed between both groups in spectroscopic data registered at rest [10.7 (control) vs 9.1 (FM) for PCr/Pirest ; 7.01 (control) vs 6.99 (FM) for pHrest] and at the end of exercise [1.18 (control) vs 0.68 (FM) for PCr/Piend ; 6.89 (control) vs 6.81 (FM) for pHend]. The muscular efficacy index was significantly reduced in FM patients (1.25) in comparison with control group (2.46) (p < 0.05). The PCr time constant was not different between control subjects (27.7 s) and FM patients (25.6 s) (p > 0.05). Conclusions: This study did not indicate any abnormalities in glycolytic and oxydative pathways in FM patients. We demonstrated a low efficiency of chemical to mechanical energy shift in FM patients. These results suggested a deconditioning syndrome without primitive muscular abnormalities in FM patients and displayed the importance of aerobic muscular rehabilitation. [less ▲]

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See detailMuscle fatigue experienced during maximal eccentric exercise is predictive of the plasma creatine kinase (CK) response
Hody, Stéphanie ULg; Rogister, Bernard ULg; Leprince, Pierre ULg et al

in Scandinavian Journal of Medicine & Science in Sports (2013), 23(4), 501-7

Unaccustomed eccentric exercise may cause skeletal muscle damage with an increase in plasma creatine kinase (CK) activity. Although the wide variability among individuals in CK response to standardized ... [more ▼]

Unaccustomed eccentric exercise may cause skeletal muscle damage with an increase in plasma creatine kinase (CK) activity. Although the wide variability among individuals in CK response to standardized lengthening contractions has been well described, the reasons underlying this phenomenon have not yet been understood. Therefore, this study investigated a possible correlation of the changes in muscle damage indirect markers after an eccentric exercise with the decline in muscle performance during the exercise. Twenty-seven healthy untrained male subjects performed three sets of 30 maximal isokinetic eccentric contractions of the knee extensors. The muscular work was recorded using an isokinetic dynamometer to assess muscle fatigue by means of various fatigue indices. Plasma CK activity, muscle soreness, and stiffness were measured before (pre) and one day after (post) exercise. The eccentric exercise bout induced significant changes of the three muscle damage indirect markers. Large intersubject variability was observed for all criteria measured. More interestingly, the log (CKpost/CKpre) and muscle stiffness appeared to be closely correlated with the relative work decrease (r = 0.84, r2 = 0.70 and r = 0.75, r2 = 0.56, respectively). This is the first study to propose that the muscle fatigue profile during maximal eccentric protocol could predict the magnitude of the symptoms associated with muscle damage in humans. [less ▲]

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See detailMuscle fatigue experienced during maximal eccentric exercise is predictive of the plasma creatine kinase (CK) response
Hody, Stéphanie ULg; Rogister, Bernard ULg; Leprince, Pierre ULg et al

in Meeusen, R.; Duchateau, J.; Roelands, B. (Eds.) et al Book of Abstracts of the 17th annual Congress of the ECSS (2012, July)

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See detailMuscle fatigue resistance and self-perceived fatigue in relation with sarcopenia and quality of life
Beaudart, Charlotte ULg; Reginster, Jean-Yves ULg; Bautmans, I et al

in Journal of Frailty & Aging (2015), 4(S1), 61-62

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See detailMuscle Fibre Type and Size, and Muscle Capillary Density in Young Double-Muscled Blue Belgian Cattle
Stavaux, D.; Art, Tatiana ULg; Mc Entee, Kathleen ULg et al

in Zentralblatt für Veterinarmedizin. Reihe A (1994), 41(3), 229-236

Bovine muscle biopsies were analysed for fiber type and capillary density by the acid ATP-ase and amylase-PAS methods respectively. Samples obtained from Belgian blue double muscled (DM) calves were ... [more ▼]

Bovine muscle biopsies were analysed for fiber type and capillary density by the acid ATP-ase and amylase-PAS methods respectively. Samples obtained from Belgian blue double muscled (DM) calves were compared for their fibre type, size and vascularization with samples from Friesian (F) calves. The animals were sampled both at 2 and 7 months of age. Changes in histochemical composition occurring with ageing, independently of the breed, and differences related to the muscle sampled by comparing biopsies obtained from the longissimus dorsi (LD) and gluteobiceps (GB) muscles in animals of both breed were also investigated. Independently of age and muscle, fibre type I percentage and area were significantly higher in F than in DM muscles. Type IIa area was significantly larger in F than in DM, while fibre type IIb percentage and area were higher in DM. The number of capillaries/mm2 was significantly higher in F than in DM. Fibre type IIa and IIb percentage as well as the diameter of the three fibre types was significantly higher in the oldest animals. Finally, independently of age and breed, fibre type I and IIb percentages were significantly higher in LD but lower in GB. The results mainly demonstrated that Belgian blue DM muscles present a higher proportion of IIb fibres and a lower capillary supply than F muscles. [less ▲]

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See detailMuscle Mitochondrial Dysfunction in Horses Affected by Acute Laminitis
Serteyn, Didier ULg; de la Rebière de Pouyade, Geoffroy ULg; Sandersen, Charlotte ULg et al

in Bioenergetics (2014)

Laminitis is a common and debilitating disease affecting horses and ponies. It often leads to the demise of the animal. Energy deficiency is suspected to entrain the disruption of the hemidesmosomes ... [more ▼]

Laminitis is a common and debilitating disease affecting horses and ponies. It often leads to the demise of the animal. Energy deficiency is suspected to entrain the disruption of the hemidesmosomes leading to the failure of the dermal-epidermal interface. The aim of this study was to measure the muscle mitochondrial function by high resolution respirometry. Muscle micro-biopsies were obtained from 11 horses affected by acute metabolic laminitis, 6 horses affected by acute laminitis resulting from a systemic inflammation response syndrome and 28 healthy horses distributed in 2 control groups: 17 horses with a body condition score [BSC, ranging from 0 (emaciated) to 5 (obese)] of 2 to 3 and 11 horses with a BSC of 4 to 5. During the acute phase of laminitis, a significant reduction of the muscle mitochondrial respiration was observed. The muscle mitochondrial dysfunction occurred independently of the etiology (metabolic disorder or systemic inflammation) leading to laminitis. The reduction of the oxidative phosphorylation and of the maximal respiratory capacity (after uncoupling) may induce depletion of the cell’s ATP content. If the same mitochondrial alteration occurs in the foot lamina, mitochondria targeting should be considered for the future, not only to better understand the physiopathology of the disease but also to maintain and to support the mitochondrial function before reaching the « mitochondrial dysfunction threshold » that may lead to the failure of the dermal-epidermal interface. [less ▲]

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See detailMuscle mitochondrial respiratory function in healthy and myopathic horses
Votion, Dominique ULg; Serteyn, Didier ULg

in In Proceedings (CD-ROM): Mitochondrial Medicine 2009: Capitol Hill Symposium (2009, June)

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See detailMuscle performance in patients with fibromyalgia
Maquet, Didier ULg; Croisier, Jean-Louis ULg; Renard, Cindy ULg et al

in Joint Bone Spine (2002), 69(3), 293-299

Objectives. To compare muscle performance in women with fibromyalgia and in healthy women. Patients and methods. Sixteen women with fibromyalgia syndrome (FMS) and 85 healthy women who were physically ... [more ▼]

Objectives. To compare muscle performance in women with fibromyalgia and in healthy women. Patients and methods. Sixteen women with fibromyalgia syndrome (FMS) and 85 healthy women who were physically inactive or engaged in recreational sports underwent measurements of four parameters: maximal concentric isokinetic muscle strength of the knee extensors and flexors in the dominant limb, isometric grip strength on a Colin dynamometer, muscle fatigue resistance during 30 maximal concentric isokinetic contractions of the dominant knee flexors and extensors at 180° angular velocity, and static endurance during posture maintenance. Results. All muscle variables were decreased in the FMS patients as compared to the controls.The decreases were more marked during aerobic than during anaerobic exercise.Mean decreases were 39% (P<0.001) for muscle strength, 40% (P<0.0001) for fatigue resistance, and 81% (P<0.0001) for static endurance. Pain during exercise as evaluated using a visual analog scale was more marked in the FMS patients. Conclusion. This study of the three pathways supplying energy to muscle confirms that muscle function is globally impaired in FMS patients.The results suggest that the impairment predominates on aerobic processes. [less ▲]

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See detailMuscle protein metabolism in relation to growth rate in double muscled Belgian Blue bulls: an integrated approach
Van Eenaeme, Christian ULg; Hornick, Jean-Luc ULg; Baldwin, Paule et al

in Mededelingen van de Faculteit van Landbouwwetenschappen, Rijksuniversiteit, Gent (1996), 61/4a

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See detailMuscle protein turnover in double muscled Belgian Blue bulls during reduced and subsequent adequate energy and protein intake
Van Eenaeme, Christian ULg; Hornick, Jean-Luc ULg; Gauthier, Sabine et al

in Symposium Lavoisier. Metabolic fuel selection (1994)

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