期刊
AMERICAN JOURNAL OF MEDICAL GENETICS PART A
卷 185, 期 7, 页码 2102-2107出版社
WILEY
DOI: 10.1002/ajmg.a.62245
关键词
ichthyosis; inborn errors of metabolism; progressive neuropathy; serine; sphingolipids
资金
- Common Fund of the NIH Office of the Director
- Intramural Research Program of the National Human Genome Research Institute
A woman with a rare phosphoserine aminotransferase deficiency was successfully treated with high dose oral L-serine, resulting in complete resolution of ichthyosis. Early diagnosis and treatment are crucial in halting neurodegeneration progression and improving neurological disabilities.
A woman with ichthyosis, contractures, and progressive neuropathy represents the first case of phosphoserine aminotransferase deficiency diagnosed and treated in an adult. She has novel compound heterozygous mutations in the gene PSAT1. Treatment with high dose oral L-serine completely resolved the ichthyosis. Consideration of this diagnosis is important because early treatment with L-serine repletion can halt progression of neurodegeneration and potentially improve neurological disabilities. As exome sequencing becomes more widely implemented in the diagnostic evaluation of progressive neurodegenerative phenotypes, adult neurologists and geneticists will increasingly encounter later onset manifestations of inborn errors of metabolism classically considered in infancy and early childhood.
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