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Liu RH, Xiao XY, Yao L, Jia YY, Guo J, Wang XC, Kong Y, Kong QX. Eukaryotic translation initiation factor EIF4G1 p.Ser637Cys mutation in a family with Parkinson's disease with antecedent essential tremor. Exp Ther Med 2024; 27:206. [PMID: 38590578 PMCID: PMC11000071 DOI: 10.3892/etm.2024.12494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 02/09/2024] [Indexed: 04/10/2024] Open
Abstract
Essential tremor (ET) and Parkinson's disease (PD) are common chronic movement disorders that can cause a substantial degree of disability. However, the etiology underlying these two conditions remains poorly understood. In the present study, Whole-exome sequencing of peripheral blood samples from the proband and Sanger sequencing of the other 18 family members, and pedigree analysis of four generations of 29 individuals with both ET and PD in a nonconsanguineous Chinese family were performed. Specifically, family members who had available medical information, including historical documentation and physical examination records, were included. A novel c.1909A>T (p.Ser637Cys) missense mutation was identified in the eukaryotic translation initiation factor 4γ1 (EIF4G1) gene as the candidate likely responsible for both conditions. In total, 9 family members exhibited tremor of the bilateral upper limbs and/or head starting from ages of ≥40 years, 3 of whom began showing evidence of PD in their 70s. Eukaryotic initiation factor 4 (eIF4)G1, a component of the translation initiation complex eIF4F, serves as a scaffold protein that interacts with many initiation factors and then binds to the 40S ribosomal subunit. The EIF4G1 (p.Ser637Cys) might inhibit the recruitment of the mRNA to the ribosome. In conclusion, the results from the present study suggested that EIF4G1 may be responsible for the hereditary PD with 'antecedent ET' reported in the family assessed.
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Affiliation(s)
- Rui-Han Liu
- Department of Pediatrics, Affiliated Hospital of Jining Medical University, Jining, Shandong 272000, P.R. China
- College of TCM, Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250399, P.R. China
| | - Xiang-Yu Xiao
- Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Lei Yao
- Clinical Medical College, Jining Medical University, Jining, Shandong 272000, P.R. China
| | - Yuan-Yuan Jia
- Department of Neurology, Affiliated Hospital of Jining Medical University, Jining, Shandong 272000, P.R. China
| | - Jia Guo
- Clinical Medical College, Jining Medical University, Jining, Shandong 272000, P.R. China
| | - Xing-Chen Wang
- Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Yu Kong
- Department of Medical Imaging, Affiliated Hospital of Jining Medical University, Jining, Shandong 272000, P.R. China
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, P.R. China
| | - Qing-Xia Kong
- Department of Neurology, Affiliated Hospital of Jining Medical University, Jining, Shandong 272000, P.R. China
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