期刊
BRAIN
卷 139, 期 -, 页码 1045-1051出版社
OXFORD UNIV PRESS
DOI: 10.1093/brain/aww013
关键词
ethylmalonic encephalopathy; liver transplant; mitochondrial disorders treatment
资金
- Medical Research Council [MC_UP_1002/1] Funding Source: Medline
- Medical Research Council [MC_UP_1002/1] Funding Source: researchfish
- MRC [MC_UP_1002/1] Funding Source: UKRI
Ethylmalonic encephalopathy is a fatal mitochondrial disorder caused by mutations in ETHE1, which encodes an enzyme involved in hydrogen sulphide catabolism. Dionisi-Vici et al. perform the first liver transplant in an affected infant, obtaining sustained neurological and biochemical improvements. This intervention may counter the otherwise progressive disease course.Ethylmalonic encephalopathy is a fatal mitochondrial disorder caused by mutations in ETHE1, which encodes an enzyme involved in hydrogen sulphide catabolism. Dionisi-Vici et al. perform the first liver transplant in an affected infant, obtaining sustained neurological and biochemical improvements. This intervention may counter the otherwise progressive disease course.Ethylmalonic encephalopathy is a fatal, rapidly progressive mitochondrial disorder caused by ETHE1 mutations, whose peculiar clinical and biochemical features are due to the toxic accumulation of hydrogen sulphide and of its metabolites, including thiosulphate. In mice with ethylmalonic encephalopathy, liver-targeted adeno-associated virus-mediated ETHE1 gene transfer dramatically improved both clinical course and metabolic abnormalities. Reasoning that the same achievement could be accomplished by liver transplantation, we performed living donor-liver transplantation in an infant with ethylmalonic encephalopathy. Unlike the invariably progressive deterioration of the disease, 8 months after liver transplantation, we observed striking neurological improvement with remarkable achievements in psychomotor development, along with dramatic reversion of biochemical abnormalities. These results clearly indicate that liver transplantation is a viable therapeutic option for ETHE1 disease.
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