ANXA1 and the risk for early-onset Parkinson's disease.

Chunyu Li, Ruwei Ou, Xiaojing Gu, Yanbing Hou, Yongping Chen, Qianqian Wei, Lingyu Zhang, Junyu Lin, Kuncheng Liu, Jingxuan Huang, Xueping Chen, Wei Song, Bi Zhao, Ying Wu, Huifang Shang

Neurobiology of aging 2022 Apr

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Recently, homozygous missense variants in ANXA1 were identified to cause parkinsonism by segregation analysis in a consanguineous family. However, no further replication has been conducted in a wider range of Parkinson's disease (PD) populations. To investigate the involvement of ANXA1 mutations in PD, we analyzed the rare variants in 743 Chinese early-onset PD (EOPD) patients (age at onset <50) using whole exome sequencing. The over-representation of rare variants in patients was examined with Fisher's exact test at allele and gene levels. We did not find the disease-causing variant described in the original study, and no patient carried other homozygous or compound heterozygous variants of ANXA1. Six rare missense mutations in ANXA1 were identified (minor allele frequency <0.01). No significant association was found between ANXA1 variants and PD at allele and gene levels. Genetic screening of ANXA1 mutations suggested rare variants of ANXA1 were rare in EOPD in the Asian ethnic background. Further explorations with larger sample size were warranted to better understand the role of ANXA1 in PD. Copyright © 2022. Published by Elsevier Inc.

Citation

Chunyu Li, Ruwei Ou, Xiaojing Gu, Yanbing Hou, Yongping Chen, Qianqian Wei, Lingyu Zhang, Junyu Lin, Kuncheng Liu, Jingxuan Huang, Xueping Chen, Wei Song, Bi Zhao, Ying Wu, Huifang Shang. ANXA1 and the risk for early-onset Parkinson's disease. Neurobiology of aging. 2022 Apr;112:212-214