We report a 6.5 year-old female with a homozygous missense mutation in ZFYVE20, encoding Rabenosyn-5 (Rbsn-5), a highly conserved multi-domain protein implicated in receptor-mediated endocytosis. The clinical presentation includes intractable seizures, developmental delay, microcephaly, dysostosis, osteopenia, craniofacial dysmorphism, macrocytosis and megaloblastoid erythropoiesis. Biochemical findings include transient cobalamin deficiency, severe hypertriglyceridemia upon ketogenic diet, microalbuminuria and partial cathepsin D deficiency.
Pubmed ID: 25233840 RIS Download
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A collaborative care and research initiative with a focus on prevention and treatment of Intellectual disability (ID) that is due to inborn errors of metabolism (IEM), which can be treated with diet or drugs. Health care policy and institutional culture is still operating under the old premise that all ID is incurable and thus, many children born with treatable ID are at risk of not being treated. To acknowledge the multidisciplinary scope and the ways in which health care professionals and researchers will collaborate, the goals of the TIDE BC project are demonstrated within a framework of 7 Work Packages: * Implementation of a new Protocol for diagnostic evaluation of ID, focusing of treatable conditions; * Development of infrastructure to facilitate implementation, evaluation and sustainability of the Protocol; * Investments into next generation genomic technologies; * Improving evidence of and access to treatments; * Evaluation and health economy; * Knowledge dissemination; * Education and Mentoring. The objectives addressed in all Work Packages reflect a highly integrated cluster combining clinical care, research, evaluation, and knowledge dissemination.
View all literature mentionsDatabase as central repository for both single base nucleotide substitutions and short deletion and insertion polymorphisms. Distinguishes report of how to assay SNP from use of that SNP with individuals and populations. This separation simplifies some issues of data representation. However, these initial reports describing how to assay SNP will often be accompanied by SNP experiments measuring allele occurrence in individuals and populations. Community can contribute to this resource.
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