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Hypermanganesemia with Dystonia, Polycythemia and Cirrhosis (HMDPC) due to mutation in the SLC30A10 gene

Mukhtiar, K; Ibrahim, S; Tuschl, K; Mills, P; (2016) Hypermanganesemia with Dystonia, Polycythemia and Cirrhosis (HMDPC) due to mutation in the SLC30A10 gene. Brain and Development , 38 (9) pp. 862-865. 10.1016/j.braindev.2016.04.005. Green open access

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Abstract

Manganese (Mn) is an essential element for metabolic pathways but it can be toxic when present in excessive amounts in the body. Hypermanganesemia along with dystonia, polycythemia, characteristic MRI brain findings in the basal ganglia, and chronic liver disease are the hallmarks of an inherited Mn transporter defect due to mutations in the SLC30A10 gene. We are reporting three siblings who presented with features of dystonia, polycythemia, MRI brain showing basal ganglia hyperintensity on T1 weighted images and chronic liver disease. Blood Mn levels were markedly elevated in the affected patients. Mutation analysis of DNA samples of the affected children confirmed a homozygous missense mutation in SLC30A10. Chelation therapy with intravenous disodium calcium edetate was started in two siblings and led to a marked decrease in whole blood Mn. Oral Penicillamine was later added to the therapy which further improved blood Mn levels. This is a rare disorder and is one of the potentially treatable inherited metal storage disorders. It can be fatal if left untreated. Penicillamine may be an effective alternative to disodium calcium edetate.

Type: Article
Title: Hypermanganesemia with Dystonia, Polycythemia and Cirrhosis (HMDPC) due to mutation in the SLC30A10 gene
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.braindev.2016.04.005
Publisher version: http://dx.doi.org/10.1016/j.braindev.2016.04.005
Language: English
Additional information: Copyright © 2016 The Japanese Society of Child Neurology. Published by Elsevier B.V. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Keywords: Inherited hypermanganesemia, Polycythemia, SLC30A10 mutation
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Cell and Developmental Biology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Pop Health Sciences > UCL GOS Institute of Child Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Pop Health Sciences > UCL GOS Institute of Child Health > ICH Genetics and Genomic Medicine Prog
URI: https://discovery.ucl.ac.uk/id/eprint/1489920
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