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OBJECTIVE Hereditary spastic paraplegias (HSPs) are very heterogeneous inherited neurodegenerative disorders. Our group recently identified ZFYVE26 as the gene responsible for one of the clinical and genetic entities, SPG15. Our aim was to describe its clinical and mutational spectra. METHODS We analyzed all exons of SPG15/ZFYVE26 gene by direct(More)
We analyzed the medaka optic tectum (OT) morphogenesis by using 5-bromo-2'-deoxyuridine (BrdU) immunohistochemistry (with a new method we developed for pulse-labeling embryos) and in situ hybridization with three probes, two for recently cloned homeobox genes (Ol-Prx3 [Paired-Related-Homeobox3] and Ol-Gsh1 [Genetic-Screen-Homeobox1]) and one for(More)
The present study was aimed at evaluating the molecular mechanisms associated with the differences in muscle glycogen content and breast meat quality between 2 experimental lines of chicken divergently selected on abdominal fatness. The glycogen at death (estimated through the glycolytic potential) of the pectoralis major muscle and the quality of the(More)
In order to evaluate the role of insulin in chicken, an insulin immuno-neutralization was performed. Fed chickens received 1 or 3 i.v. injections of anti-insulin serum (2-h intervals), while fed or fasted controls received normal serum. Measurements included insulin signaling cascade (at 1 h in liver and muscle), metabolic or endocrine plasma parameters (at(More)
In the present study we report, as part of a large multiple sclerosis (MS) cohort (1800 patients), three cases of untreated patients who developed autoimmune hepatitis (AIH). The prevalence of AIH in the general population is about 0.0169% and seems to be higher in our MS cohort (0.17%). We suggest that a liver biopsy should systematically be performed in(More)
Chickens mimic an insulin-resistance state by exhibiting several peculiarities with regard to plasma glucose level and its control by insulin. To gain insight into the role of insulin in the control of chicken transcriptome, liver and leg muscle transcriptomes were compared in fed controls and "diabetic" chickens, at 5 h after insulin immuno-neutralization,(More)
Previous results suggested that the gastric function plays a paramount role in digestive efficiency differences between D+ and D- broiler lines divergently selected for AMEn (more feed efficient and less feed efficient, respectively). In this paper we show an histological analysis of the gastric isthmus located between the proventriculus and the gizzard in(More)
A polymorphism in the promoter of the β,β-carotene 15,15'-monooxygenase 1 (BCMO1) gene recently was identified in an experimental cross between 2 chicken lines divergently selected on growth rate and found to be associated with variations in the yellow color of the breast meat. In this study, the effects of the polymorphism on several aspects of carotenoid(More)