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Sino-US English Teaching 2014年第5期11卷 342-349页

作者： cecile helene christiane rey University of Virginia Charlottesville United States

This study explores the origins and current status of the Gallo language at school--a minority language spoken in the eastern part of Brittany--among older speakers （group 1-41 informants） and students of Gallo （group 2-17 informants）. The paper discusses different pedagogical methods, learning materials, and learners＇ status. The most important mission of schools is to increase public awareness about their linguistic environment which helps reassert minority identity through language acquisition and linguistic maintenance. Implementing an educational language curriculum for regional languages constitutes a main step towards the preservation of linguistic minorities. According to the informants interviewed during the fieldwork, both groups express positive reactions towards the presence of Gallo at school （group 1--80%; group 2--92.9%）. However, in follow-up discussions, a certain number of older speakers seem to be more reluctant, because the variety of Gallo taught at school is different from the one which was transmitted to them. In conclusion, bilingual and immersion programs are increasingly successful in Brittany and could lead to a wider recognition of Eastern Brittany＇s language and culture.

关键词： language acquisition representations language transmission language preservation

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Rare dentin defects:Understanding the pathophysiological mechanisms of COLXVA1 mutations

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Genes & Diseases 2024年第5期11卷 1-5页

作者： Isaac Maximiliano Bugueno Tristan rey Alexandra Jimenez-Armijo Marzena Kawczynski Naji Kharouf Marie-cecile Maniere Yann Herault Agnes Bloch-Zupan Virginie HaushalterLaugel Institute of Genetics and Molecular and Cellular Biology(IGBMC) CNRS-UMR7104INSERM U1258Universitede StrasbourgIllkirch 67400France Faculty of Dentistry Universitede StrasbourgStrasbourg 67000France Institute of Advanced Studies(USIAS) Universitede StrasbourgStrasbourg 67045France Reference Center for Rare Oral and Dental Diseases(CRMR-O-Rares) Oral Medicine and Surgery DepartmentHopitaux Universitaires de Strasbourg(HUS)Strasbourg 67000France Rare Diseases Health Network“TETE COU”&European Reference Network ERN CRANIO Strasbourg 67000France “Institut de Genetique Medicale d’Alsace” Laboratory of Genetic DiagnosticHopitaux Universitaires de Strasbourg(HUS)Strasbourg 67000France Biomaterials and Bioengineering Laboratory Inserm UMR_S 1121Strasbourg 67000France Orofacial Development and Regeneration Faculty of MedicineInstitute of Oral BiologyCentre of Dental MedicineUniversity of ZurichZurich 8032Switzerland

Dentin is a mineralized tissue with a chemical composition similar to bone but with a higher mineralized density and *** constitutes the central structure of the tooth between the internal pulp and external enamel toward the oral cavity or cementum toward the underlying *** dentin defects occur in a variety of rare genetic *** can manifest as“isolated”occurrences such as in dentinogenesis imperfecta(DI)or dentin dysplasia(DD)or can be associated with other symptoms in diseases such as osteogenesis imperfecta,Goldblatt syndrome,microcephalic osteodysplastic primordial dwarfism type Ⅱ,among others.

关键词： diseases den rigidity

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Plant Cell Wall Proteomics： Mass Spectrometry Data, a Trove for Research on Protein Structure/Function Relationships

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Molecular Plant 2009年第5期2卷 977-989页

作者： cecile Albenne Herve Canut Georges Boudart Yu Zhang helene San Clemente Rafael Pont-Lezica Elisabeth Jamet Surfaces Cellulaires et Signalisation chez les Vegetaux UMR 5546 CNRS-UPS-Universite de Toulouse Pole de Biotechnologie Vegetale 24 chernin de Borde- Rouge BP 42617 Auzeville 31326 Castanet-Tolosan France

Proteomics allows the large-scale study of protein expression either in whole organisms or in purified organelles. In particular, mass spectrometry （MS） analysis of gel-separated proteins produces data not only for protein identification, but for protein structure, location, and processing as well. An in-depth analysis was performed on MS data from etiolated hypocotyl cell wall proteomics ofArabidopsis thaliana. These analyses show that highly homologous members of multigene families can be differentiated. Two lectins presenting 93% amino acid identity were identified using peptide mass fingerprinting. Although the identification of structural proteins such as extensins or hydroxyproline/proline-rich proteins （H/PRPs） is arduous, different types of MS spectra were exploited to identify and characterize an H/PRP. Maturation events in a couple of cell wall proteins （CWPs） were analyzed using site mapping. N-glycosylation of CWPs as well as the hydroxylation or oxidation of amino acids were also explored, adding information to improve our understanding of CWP structure/function relationships. A bioinformatic tool was developed to locate by means of MS the N-terminus of mature secreted proteins and N-glycosylation.

关键词： Cell wall protein MALDI-TOF mass spectrometry post-translational modification protein structure proteomics.

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Development of a standardized in vitro approach to evaluate microphysical,chemical,and toxicological properties of combustion-derived fine and ultrafine particles

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Journal of Environmental Sciences 2022年第3期34卷 104-117页

作者： Ana Teresa Juarez-Facio Clement Castilla cecile Corbiere helene Lavanant Carlos Afonso Christophe Morin Nadine Merlet-Machour Laurence Chevalier Jean-Marie Vaugeois Jerome Yon Christelle Monteil Normandie Univ UNIROUENUNICAEN ABTE76000 RouenFrance Normandie Univ UNIROUENINSA RouenCNRSCOBRA76000 RouenFrance Normandie Univ UNIROUENINSA RouenCNRSGPM-UMR663476000 RouenFrance Normandie Univ UNIROUENINSA RouenCNRSCORIA76000 RouenFrance

Ultrafine particles represent a growing concern in the public health community but their precise role in many illnesses is still unknown. This lack of knowledge is related to the experimental difficulty in linking their biological effects to their multiple properties, which are important determinants of toxicity. Our aim is to propose an interdisciplinary approach to study fine(FP) and ultrafine(UFP) particles, generated in a controlled manner using a mini CAST(Combustion Aerosol Standard) soot generator used with two different operating conditions(CAST1 and CAST3). The chemical characterization was performed by an untargeted analysis using ultra-high resolution mass spectrometry. In conjunction with this approach, subsequent analysis by gas chromatography–mass spectrometry(GC–MS) was performed to identify polycyclic aromatic hydrocarbons(PAH). CAST1 enabled the generation of FP with a predominance of small PAH molecules, and CAST3 enabled the generation of UFP, which presented higher numbers of carbon atoms corresponding to larger PAH molecules. Healthy normal human bronchial epithelial(NHBE) cells differentiated at the air-liquid interface(ALI) were directly exposed to these freshly emitted FP and UFP. Expression of MUC5AC, FOXJ1, OCLN and ZOI as well as microscopic observation confirmed the ciliated pseudostratified epithelial phenotype. Study of the mass deposition efficiency revealed a difference between the two operating conditions, probably due to the morphological differences between the two categories of particles. We demonstrated that only NHBE cells exposed to CAST3 particles induced upregulation in the gene expression of IL-8 and NQO1. This approach offers new perspectives to study FP and UFP with stable and controlled properties.

关键词： In vitro Air-liquid interface MiniCAST Fine and ultrafine particles Organic compounds OC/TC

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