{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,22]],"date-time":"2025-10-22T03:06:24Z","timestamp":1761102384093,"version":"3.40.5"},"reference-count":25,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2019,7,17]],"date-time":"2019-07-17T00:00:00Z","timestamp":1563321600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Fundo de Incentivo \u00e0 Pesquisa e Eventos","award":["15-0281"],"award-info":[{"award-number":["15-0281"]}]},{"name":"and Instituto Nacional de Gen\u00e9tica M\u00e9dica Populacional","award":["FAPERGS 17\/2551.0000521.0","CAPES 88887.136366\/2017-00","CNPq 465549\/2014-4"],"award-info":[{"award-number":["FAPERGS 17\/2551.0000521.0","CAPES 88887.136366\/2017-00","CNPq 465549\/2014-4"]}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["JIMD Reports"],"published-print":{"date-parts":[[2019,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>GM1 gangliosidosis is a lysosomal storage disorder caused by \u03b2\u2010galactosidase deficiency. To date, prospective studies for GM1 gangliosidosis are not available, and only a few have focused on the adult form. This retrospective cross\u2010sectional study focused on clinical findings in Brazilian patients with the adult form of GM1 gangliosidosis collected over 2\u2009years. Ten subjects were included in the study. Eight were males and two females, with median age at diagnosis of 11.5 years (IQR, 4\u201034\u2009years). Short stature and weight below normal were seen in five out of the six patients with data available. Radiological findings revealed that the most frequent skeletal abnormalities were beaked vertebrae, followed by hip dysplasia, and platyspondyly. Neurological examination revealed that dystonia and swallowing problems were the most frequently reported. None of the patients presented hyperkinesia, truncal hypertonia, Parkinsonism, or spinal cord compression. Clinical evaluation revealed impairment in activities of cognitive\/intellectual development and behavioral\/psychiatric disorders in all nine subjects with data available. Language\/speech impairment (dysarthria) was found in 8\/9 patients, fine motor and gross motor impairments were reported in 7\/9 and 5\/9 patients, respectively. Impairment of cognition and daily life activities were seen in 7\/9 individuals. Our findings failed to clearly identify typical early or late alterations presented in GM1 gangliosidosis patients, which confirms that it is a very heterogeneous condition with wide phenotypic variability. This should be taken into account in the evaluation of future therapies for this challenging condition.<\/jats:p>","DOI":"10.1002\/jmd2.12067","type":"journal-article","created":{"date-parts":[[2019,7,17]],"date-time":"2019-07-17T14:01:34Z","timestamp":1563372094000},"page":"96-106","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Clinical findings in Brazilian patients with adult GM1 gangliosidosis"],"prefix":"10.1002","volume":"49","author":[{"given":"Luciana","family":"Giugliani","sequence":"first","affiliation":[{"name":"National Institute of Population Medical Genetics (INAGEMP)  Porto Alegre Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carlos Eduardo","family":"Steiner","sequence":"additional","affiliation":[{"name":"Department of Medical Genetics Faculdade de Medicina, UNICAMP  Campinas Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chong 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