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Article Abstract

The inaugural Clinical and Scientific Conference on Adenylosuccinate Synthetase 1 (ADSS1) myopathy was held on June 3, 2024, at the National Institutes of Health (NIH) National Center for Advancing Translational Sciences (NCATS) in Rockville, Maryland, USA. ADSS1 myopathy is an ultra-rare, inherited neuromuscular disease. Features of geographical patient clusters in South Korea, Japan, India and the United States of America were characterised and discussed. Pre-clinical animal and cell-based models were discussed, providing unique insight into disease pathogenesis. The biochemical pathogenesis was discussed, and potential therapeutic targets identified. Potential clinical and pre-clinical biomarkers were discussed. An ADSS1 myopathy consortium was established and a roadmap for therapeutic development created.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11590305PMC
http://dx.doi.org/10.1186/s13023-024-03429-xDOI Listing

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ADSS1 myopathy, previously known as adenylosuccinate synthetase-like 1 (ADSSL1) myopathy, is an autosomal recessive muscle disease caused by variants in ADSS1 (adenylosuccinate synthase 1). ADSS1 myopathy is complicated by respiratory muscle weakness or cardiomyopathy as well as limb muscle weakness. We analyzed two siblings with ADSS1 myopathy, both harboring compound heterozygous pathogenic variants (c.

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Article Synopsis
  • The first Clinical and Scientific Conference on ADSS1 myopathy took place on June 3, 2024, at NIH in Maryland, focusing on this rare inherited neuromuscular disease.
  • The conference highlighted geographical patient clusters from South Korea, Japan, India, and the USA, along with research on pre-clinical models to better understand the disease.
  • Experts identified biochemical pathways for potential therapies and created an ADSS1 myopathy consortium to guide new treatment development.
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Department of Clinical Neuroscience and Therapeutics, Hiroshima University Graduate School of Biomedical and Health Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima 734-8553, Japan.

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