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Johannes Grosch Antoine Lesur Stphanie Kler Franois Bernardin Gunnar Dittmar Elisabetta Francescato Simon J. Hewings Constanze A. Jakwerth Ulrich M. Zissler Matthew D. Heath Markus Ollert Matthias F. Kramer Christiane Hilger Maria Beatrice Bil Carsten B. Schmidt-Weber Simon Blank 《Toxins》2022,14(4)
Allergy to Polistes dominula (European paper wasp) venom is of particular relevance in Southern Europe, potentially becoming a threat in other regions in the near future, and can be effectively cured by venom immunotherapy (VIT). As allergen content in extracts may vary and have an impact on diagnostic and therapeutic approaches, the aim was to compare five therapeutic preparations for VIT of P. dominula venom allergy available in Spain. Products from five different suppliers were analyzed by SDS-PAGE and LC-MS/MS and compared with a reference venom sample. Three products with P. dominula venom and one product with a venom mixture of American Polistes species showed a comparable band pattern in SDS-PAGE as the reference sample and the bands of the major allergens phospholipase A1 and antigen 5 were assignable. The other product, which consists of a mixture of American Polistes species, exhibited the typical band pattern in one, but not in another sample from a second batch. All annotated P. dominula allergens were detected at comparable levels in LC-MS/MS analysis of products containing P. dominula venom. Due to a lack of genomic information on the American Polistes species, the remaining products were not analyzed by this method. The major Polistes allergens were present in comparable amounts in the majority, but not in all investigated samples of venom preparations for VIT of P. dominula venom allergy. 相似文献
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Flavien Rouxel Raissa Relator Jennifer Kerkhof Haley McConkey Michael Levy Patricia Dias Mouna Barat-Houari Nathalie Bednarek Odile Boute Nicolas Chatron Florian Cherik Andrée Delahaye-Duriez Martine Doco-Fenzy Laurence Faivre Lucas W. Gauthier Delphine Heron Michael S. Hildebrand Gaëtan Lesca David Genevieve 《Genetics in medicine》2022,24(5):1096-1107
PurposeRare genetic variants in CDK13 are responsible for CDK13-related disorder (CDK13-RD), with main clinical features being developmental delay or intellectual disability, facial features, behavioral problems, congenital heart defect, and seizures. In this paper, we report 18 novel individuals with CDK13-RD and provide characterization of genome-wide DNA methylation.MethodsWe obtained clinical phenotype and neuropsychological data for 18 and 10 individuals, respectively, and compared this series with the literature. We also compared peripheral blood DNA methylation profiles in individuals with CDK13-RD, controls, and other neurodevelopmental disorders episignatures. Finally, we developed a support vector machine–based classifier distinguishing CDK13-RD and non–CDK13-RD samples.ResultsWe reported health and developmental parameters, clinical data, and neuropsychological profile of individuals with CDK13-RD. Genome-wide differential methylation analysis revealed a global hypomethylated profile in individuals with CDK13-RD in a highly sensitive and specific model that could aid in reclassifying variants of uncertain significance.ConclusionWe describe the novel features such as anxiety disorder, cryptorchidism, and disrupted sleep in CDK13-RD. We define a CDK13-RD DNA methylation episignature as a diagnostic tool and a defining functional feature of the evolving clinical presentation of this disorder. We also show overlap of the CDK13 DNA methylation profile in an individual with a functionally and clinically related CCNK-related disorder. 相似文献
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