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1.
A Roubertie J Leydet F Rivier V Humbertclaude R Cheminal B Echenne 《Archives de pédiatrie》2004,11(8):951-954
Abnormal movements are not uncommon in childhood. Due to the severity of the abnormal movements or to the functional disability, a medical treatment is often required; the wide range of available pharmacological molecules and the absence of therapeutic consensus highlight the limited efficacy of the medical treatment on dystonic or athetoid movements, or severe tic disorders. The recent identification of the enzymatic defect implicated in metabolic diseases led to the development of specific treatment for newly recognized disorders, with more or less interesting results (creatine ou biotine supplementation). Recent progress in functional neurosurgery opened new fields in the treatment of movement disorders. Intrathecal baclofen was proved effective in the treatment of secondary dystonia, especially in patients with cerebral palsy. Deep brain stimulation is now an established therapy for patients with a generalized dystonic syndrome. Given the successful results of pallidal stimulation in dystonia, the indication of this procedure has been discussed in other types of abnormal movements. 相似文献
2.
A Roubertie F Rivier S Tuffery-Giraud V Humbertclaude M Claustres R Cheminal B Echenne 《Archives de pédiatrie》2003,10(11):994-1002
Abnormal movements are not unusual in childhood. Recent genetic progresses provide a new approach of childhood movement disorders. Several loci have been identified in paroxysmal dyskinesia, or in Gilles de la Tourette syndrome. A gene has been cloned in Hallervorden-Spatz syndrome, and a gene has recently been implicated in benign hereditary chorea. Considerable advances concern the genetic of dystonic syndromes: several chromosomal localizations have been identified, and several genes have been cloned. Genetic advances allow nosographic reclassification of some entities and offer new molecular tools for a more appropriate diagnosis. The increasing wealth of genetic knowledge will provide further insight in the understanding of abnormal movement disorders in childhood. 相似文献
3.
Ogier A Franco MA Charpilienne A Cohen J Pothier P Kohli E 《European journal of immunology》2005,35(7):2122-2130
Virus-like particles containing the rotavirus (RV) internal proteins VP2 and VP6 (2/6-VLP) have been shown to induce serum and fecal antibodies as well as protection in mice after intranasal administration with a mutant of E. coli toxin, LT-R192G. To better understand the origin of fecal IgA induced by this protocol, we studied the RV-specific B cell response in systemic and mucosal lymphoid tissues using a flow cytometry assay that allows quantification and phenotypic characterization of RV-specific B lymphocytes. We also assessed the RV-specific antibody-secreting cells in the spleen and intestinal lamina propria (ILP). A remarkably high frequency of RV-specific B cells was found in the respiratory lymphoid tissues and spleen, of which only a minority expressed the alpha4beta7 integrin (intestinal homing receptor). In contrast, but in accordance with alpha4beta7 expression at the induction site, a very low response was observed in intestinal lymphoid tissues (mesenteric lymph nodes and ILP), which did not increase after a second immunization. Thus, intranasal immunization with a nonreplicating antigen does not induce an important number of RV-specific B cells with an intestinal homing profile. 相似文献
4.
Studies of functional plasticity after pre- or perinatal brain damage can tell us whether the neural substrate normally involved in the development of a given ability is specific and, if so, when it becomes functionally specified and unique. Development of face processing was investigated in 5- to 17-year-old children who had a unilateral brain injury in the pre-, peri-, or postnatal period. In Studies 1 and 2, patients with a posterior injury involving the temporal regions exhibited a face-processing deficit that was independent of their age at test time. Even though differences were observed between the two hemispheres in face processing during infancy as well as in adults in cases of normal development, no clear differences between right and left injury were observed here in face-processing deficit. Poor postlesional face-processing plasticity seems to contrast with results of several studies on speech development after early unilateral injury. If the difference in the time window for postlesional plasticity between these two areas of competency is confirmed, it would suggest that the two kinds of abilities rely on neural cells which are sensitive to different plasticity factors. 相似文献
5.
A panel of 120 HLA-A, -B, -C and -DR typed Austrians has been typed for HLA-D by the use of 26 Homozygous Typing Cells (HTC). The new Austrian HTC, partly defined by the 9th International Histocompatibility Workshop (9WS), partly by a checkerboard experiment with internationally well defined reference HTC, type for HLA-Dw1 to -Dw7 and an obviously new, so far unknown HLA-DR2 related HLA-D determinant. Associations of HLA-DR and HLA-D antigens in Austria and their frequencies are determined. Antigen frequencies in Austria are compared to frequencies in other Caucasoid populations. 相似文献
6.
Julien Guihaire Serena D'Avino Francois Stephan Martin Kloeckner Ngoc Tram To Agathe Potier Maïra Gaillard Ramzi Ramadan Jean‐Luc Taupin Jerome Le Pavec Philippe Deleuze 《Clinical transplantation》2021,35(1):e14146
Antihuman leukocyte antigen (HLA) antibodies restrict the access to cardiac allografts. Desensitization therapy is a major challenge in patients with cardiogenic shock waiting for urgent heart transplantation (HT). We retrospectively reviewed six patients (mean age of 37.5 years [16–70]) who underwent plasmapheresis (PP) under extracorporeal membrane oxygenation (ECMO) before transplant between January 2017 and September 2018. The average duration of follow‐up was 25 months [20–32]. Mean fluorescence intensity (MFI) of HLA‐specific antibodies was reported as follows: score 4 for MFI < 1000, score 6 for 1000 < MFI < 3000 and score 8 for MFI > 3000. The mean duration of ECMO support was 29 days [1–74] and 6.8 [1–29] PP sessions were performed per patient before transplant. The mean number of HLA‐specific antibodies before HT was 9.6 for score 6 [4–13] and 5.8 for score 8 [1–12]. Four patients had major complications after transplantation (2 hemorrhagic shocks, 5 infectious events). Mean MFI reduction rate was 94% [79–100] for Class I and 44.2% for Class II [0–83]. Hospital survival was 100%, and early antibody‐mediated rejection was diagnosed in one patient at 7 days after HT. Plasmapheresis under ECMO support was associated with favorable early outcomes in highly sensitized candidates for urgent heart transplantation. 相似文献
7.
Recurrent episodes of coma: an unusual phenotype of familial hemiplegic migraine with linkage to chromosome 1 总被引:4,自引:0,他引:4
Echenne B Ducros A Rivier F Joutel A Humbertclaude V Roubertie A Azaïs M Bousser MG Tournier-Lasserve E 《Neuropediatrics》1999,30(4):214-217
Over a period of ten years, a boy had several episodes of coma, lasting three to five days. Each episode was preceded by hemiparesis or paresthesias, aphasia, headaches and behavioural changes, with subsequent loss of consciousness. Partial seizures occurred during the first episode. A history of migraine or hemiplegic migraine was found in several members of the family. Linkage to chromosome 1q21-23, where a gene for familial hemiplegic migraine has been mapped, was shown in this family. 相似文献
8.
The levels of fumonisins (FUMO)—mycotoxins produced by Fusarium verticillioides—in maize for food and feed are subject to European Union regulations. Compliance with the regulations requires the targeting of, among others, the agroclimatic factors influencing fungal contamination and FUMO production. Arvalis-Institut du végétal has created a national, multiyear database for maize, based on field survey data collected since 2003. This database contains information about agricultural practices, climatic conditions and FUMO concentrations at harvest for 738 maize fields distributed throughout French maize-growing regions. A linear mixed model approach highlights the presence of borers and the use of a late variety, high temperatures in July and October, and a water deficit during the maize cycle as creating conditions favoring maize contamination with Fusarium verticillioides. It is thus possible to target a combination of risk factors, consisting of this climatic sequence associated with agricultural practices of interest. The effects of the various possible agroclimatic combinations can be compared, grouped and classified as promoting very low to high FUMO concentrations, possibly exceeding the regulatory threshold. These findings should facilitate the creation of a national, informative and easy-to-use prevention tool for producers and agricultural cooperatives to manage the sanitary quality of their harvest. 相似文献
9.