2020 Mar 3
Department of Genetics, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
CNP Deficiency Causes Severe Hypomyelinating Leukodystrophy in Humans
https://pubmed.ncbi.nlm.nih.gov/3212861 ... in-humans/
Abstract
Myelin pathologies are an important cause of multifactorial, e.g., multiple sclerosis, and Mendelian, e.g., leukodystrophy, neurological disorders. CNP encodes a major component of myelin and its CNS expression is exclusive to myelin-forming oligodendrocytes. Deficiency of CNP in mouse causes a lethal white matter neurodegenerative phenotype. However, a corresponding human phenotype has not been described to date. Here, we describe a multiplex consanguineous family from Oman in which multiple affected members display a remarkably consistent phenotype of neuroregression with profound brain white matter loss. A novel homozygous missense variant in CNP was identified by combined autozygome/exome analysis. Immunoblot analysis suggests that this is a null allele in patient fibroblasts, which display abnormal F-actin organization. Our results suggest the establishment of a novel CNP-related hypomyelinating leukodystrophy in humans.
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wiki https://en.wikipedia.org/wiki/2%27,3%27 ... diesterase
CNP
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