Journal
MOLECULAR NEUROBIOLOGY
Volume -, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1007/s12035-023-03677-1
Keywords
Amyotrophic lateral sclerosis; Rare variant; DNAJC7; Genotype
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In our study, rare variants of the DNAJC7 gene were identified in ALS patients, indicating a potential correlation with disease onset and progression. However, there was no enrichment of rare damaging variants in ALS patients compared to controls. Further analysis is needed to understand the role of DNAJC7 in the pathogenicity of ALS.
DnaJ heat shock protein family member C7 gene (DNAJC7) has been identified as a genetic risk factor for amyotrophic lateral sclerosis (ALS). In our study, we aimed to screen for rare variants in DNAJC7 in a large cohort of Chinese ALS patients, and investigate the genotype-phenotype correlation of DNAJC7 in ALS. Four (0.19%) variants of DNAJC7 with minor allele frequency (MAF) < 0.1% among 2124 patients were identified, including 1 protein-truncating variant and 3 missense variants, all of which were predicted to be damaging. The patients carrying variants of DNAJC7 in our cohort tented to have a limb onset and a relatively slow disease progression. However, burden analysis did not show an enrichment of rare damaging variants in ALS patients compared to controls. Further analysis involving diverse regions and larger sample size is necessary to elucidate the role of DNAJC7 in the pathogenicity of ALS.
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