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  • Title: Leukoencephalopathy with brainstem and spinal cord involvement and normal lactate: a new mutation in the DARS2 gene.
    Author: Lin J, Chiconelli Faria E, Da Rocha AJ, Rodrigues Masruha M, Pereira Vilanova LC, Scheper GC, Van der Knaap MS.
    Journal: J Child Neurol; 2010 Nov; 25(11):1425-8. PubMed ID: 20501884.
    Abstract:
    Leukoencephalopathy with brainstem and spinal cord involvement and elevated brain lactate diagnosis is based on its highly characteristic pattern of abnormalities observed by magnetic resonance imaging and spectroscopy. Clinically, affected patients develop slowly progressive cerebellar ataxia, spasticity, and dorsal column dysfunction, sometimes with a mild cognitive deficit or decline. In 2007, the pathophysiology of this disorder was elucidated with the discovery of mutations in the DARS2 gene, which encodes mitochondrial aspartyl-tRNA synthetase, in affected individuals. Here, the authors present a case of leukoencephalopathy with brainstem and spinal cord involvement with normal brain lactate, in which genetic analysis revealed a new mutation in the DARS2 gene not previously described.
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