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The presence of close to 100% large-headed multi-tailed spermatozoa in the ejaculate has been described as a rare phenotype of male infertility with a very poor prognosis. We demonstrated previously that most cases were caused by a homozygous mutation (c.144delC) in the Aurora Kinase C gene (AURKC) leading to the absence or the production of a(More)
We studied seven patients (fetuses/infants) from six unrelated families affected by central core disease (CCD) and presenting with a fetal akinesia syndrome. Two fetuses died before birth (at 31 and 32 weeks) and five infants presented severe symptoms at birth (multiple arthrogryposis, congenital dislocation of the hips, severe hypotonia and hypotrophy,(More)
BACKGROUND Histological anomalies associated with malignant hyperthermia (MH) have been scarcely reported. In some patients susceptible to MH (MHS), central cores have been identified and a genetic association has been proposed, but multiminicore lesions have not been systematically reported. OBJECTIVE To analyze the association between multiminicores and(More)
Owing to the complexity of higher eukaryotic cells, a complete proteome is likely to be very difficult to achieve. However, advantage can be taken of the cell compartmentalization to build organelle proteomes, which can moreover be viewed as specialized tools to study specifically the biology and "physiology" of the target organelle. Within this frame, we(More)
Multi-minicore disease is an autosomal recessive congenital myopathy characterized by the presence of multiple, short-length core lesions (minicores) in both muscle fiber types. These lesions being nonspecific and the clinical phenotype being heterogeneous, multi-minicore disease boundaries remain unclear. To identify its genetic basis, we performed a(More)
Neonatal hypotonia is frequently observed with a highly variable clinical presentation. Congenital myopathies that are classically characterized by the presence of structural changes of the muscle fibres such as cores, rods and aggregates have been reported to be occasionally associated with this presentation. However, the identification of the causing(More)
Catecholaminergic polymorphic ventricular tachycardia (CPVT) is an inherited arrhythmogenic disease so far related to mutations in the cardiac ryanodine receptor (RYR2) or the cardiac calsequestrin (CASQ2) genes. Because mutations in RYR2 or in CASQ2 are not retrieved in all CPVT cases, we searched for mutations in the physiological protein partners of RyR2(More)
We have cloned two new triadin isoforms from rat skeletal muscle, Trisk 49 and Trisk 32, which were named according to their theoretical molecular masses (49 and 32 kDa, respectively). Specific antibodies directed against each protein were produced to characterize both new triadins. Both are expressed in adult rat skeletal muscle, and their expression in(More)
BACKGROUND The pathophysiological background of catecholaminergic polymorphic ventricular tachycardia is well understood, but the clinical features of this stress-induced arrhythmic disorder, especially the incidence and risk factors of arrhythmic events, have not been fully ascertained. METHODS AND RESULTS The outcome in 101 catecholaminergic polymorphic(More)
Infertility concerns a minimum of 70 million couples worldwide. An important proportion of cases is believed to have a genetic component, yet few causal genes have been identified so far. In a previous study, we demonstrated that a homozygous mutation (c.144delC) in the Aurora Kinase C (AURKC) gene led to the production of large-headed polyploid(More)