Compound heterozygosity for novel variations of the NHLRC1 Gene in a family with Lafora disease
Clinical Neurology and Neurosurgery(2022)
摘要
Purpose: NHLRC1 gene mutations are present in a varied proportion of patients with Lafora disease (LD). Compound heterozygosity for novel variations of the gene has been reported in progressive Lafora myoclonic epilepsy of Lafora pedigree. Methods: The clinical data of the cases were collected for diagnosis, and the genetic spectrum of the family was confirmed. For molecular diagnosis, whole-exome sequencing (WES) of the pedigree was performed. Results: A novel biallelic compound heterozygous c.333dupC chr6-18122504 (p.(Gly112ArgfsTer44)) and c.612dupT chr6-18122225 (p.(Gly205Trpfs*29)) mutation in the NHLRC1 gene was identified in our progressive myoclonic epilepsy of Lafora pedigree. Conclusions: The genetic analysis was useful for the diagnosis of LD. Genetic analysis is recommended for patients and close relatives, and tissue biopsy is an alternative.
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关键词
Lafora disease,NHLRC1 gene,Epilepsy,Heterozygous variant,Heredity
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