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Wang P, Pan J, Luo Q, Chen J, Tang H, Chen S, Ma J. A 10-Year Community-Based Study of Leucine-Rich Repeat Kinase 2 G2385R Carriers' Conversion to Parkinson's Disease. Mov Disord 2022; 37:1767-1772. [PMID: 35733392 DOI: 10.1002/mds.29127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 04/20/2022] [Accepted: 05/30/2022] [Indexed: 11/08/2022] Open
Abstract
BACKGROUND The G2385R variant of leucine-rich repeat kinase 2 (LRRK2) is mainly associated with Parkinson's disease(PD) in Asian populations. OBJECTIVE The aim of this study was to investigate the PD conversion rate and clinical characteristics of LRRK2 G2385R nonmanifesting carriers. METHODS All participants were from the community-based longitudinal cohort of Shanghai Ruijin Hospital. The G2385R carriers and noncarriers were screened by Sanger sequencing and received face-to-face interviews at baseline and follow-up assessments. The Kaplan-Meier method was used to compare the conversion rate of PD. Cox regression models were used to estimate the risk of G2385R variant for PD. RESULTS In the combined cohort, 26 (7.9%) people developed PD in 329 carriers versus 9 (2.6%) in 345 noncarriers (P = 0.0016). Cox regression model confirmed that the G2385R variant was a strong risk factor for PD in a Chinese population older than 50 years (hazard ratio, 3.314; 95% confidence interval, 1.551-7.078; P = 0.002). No difference was found in clinical symptoms between carriers and noncarriers. CONCLUSIONS We confirmed an increased conversion of PD in leucine-rich repeat kinase 2 G2385R carriers during a 10-year follow-up. © 2022 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Pei Wang
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jing Pan
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qi Luo
- Department of Pediatric Hematology-Oncology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jie Chen
- Li Chiu Kong Family Sleep Assessment Unit, Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Huidong Tang
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shengdi Chen
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianfang Ma
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Wang P, Cui P, Luo Q, Chen J, Tang H, Zhang L, Chen S, Ma J. Penetrance of Parkinson disease LRRK2 G2385R-associated variant in the Chinese population. Eur J Neurol 2022; 29:2639-2644. [PMID: 35608967 DOI: 10.1111/ene.15417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 05/02/2022] [Accepted: 05/19/2022] [Indexed: 01/05/2023]
Abstract
BACKGROUND AND PURPOSE Penetrance estimates of the leucine-rich repeat kinase 2 (LRRK2) variants for Parkinson disease (PD) vary widely. G2385R is one of the most common LRRK2 variants in Asian populations, and its penetrance is currently unknown. We aimed to estimate the penetrance of G2385R in the Chinese population. METHODS The G2385R variant was tested by Sanger sequencing in 6386 participants older than 50 years, all from the community cohort established by Shanghai Ruijin Hospital in 2009-2011. G2385R carriers and matched noncarriers underwent a brief questionnaire survey (including sex, current age, PD diagnosis, and age at onset) and face-to-face PD assessment during 2020-2021. The penetrance of PD was estimated by the Kaplan-Meier method. RESULTS A total of 396 G2385R carriers and 415 noncarriers were included, after excluding those with a baseline diagnosis of PD or unwilling to participate. In G2385R carriers, the penetrance of PD was 1.64% at 70 years, 10.26% at 80 years, and 18.49% at 90 years, and reached 25.90% at 95 years. The penetrance of PD in G2385R carriers was higher than in noncarriers (p = 0.0071). In noncarriers, only 0%, 3.72%, and 9.66% developed parkinsonism by 70, 80, and 90 years of age. Among carriers and noncarriers, there were no statistically significant differences in penetrance comparisons between males and females, or between urban and rural. CONCLUSIONS The lifetime penetrance of LRRK2 G2385R in the Chinese population was 25.9%. The penetrance modifier of G2385R in our study was age-related. Further investigation of genetic and environmental modifiers affecting G2385R penetrance is warranted.
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Affiliation(s)
- Pei Wang
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Peijing Cui
- Department of Geriatrics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qi Luo
- Department of Pediatric Hematology-Oncology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jie Chen
- Li Chiu Kong Family Sleep Assessment Unit, Department of Psychiatry, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China
| | - Huidong Tang
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lina Zhang
- Department of Biostatistics, Clinical Research Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shengdi Chen
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianfang Ma
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Chen S, Liu H, Wu QQ, Xu SJ, Li WG, Chen T, Li C, Ma XY, Xu S, Liu YM. Effect of LRRK2 G2385R Variant on Subthalamic Deep Brain Stimulation Efficacy in Parkinson's Disease in a Han Chinese Population. Front Neurol 2019; 10:1231. [PMID: 31824408 PMCID: PMC6884002 DOI: 10.3389/fneur.2019.01231] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 11/05/2019] [Indexed: 02/04/2023] Open
Abstract
Deep brain stimulation (DBS) of the subthalamic nucleus (STN) is an effective treatment for advanced Parkinson's disease (PD). The G2385R variant of LRRK2 is a risk factor for PD in Han Chinese individuals. We retrospectively compared the clinical outcomes of STN-DBS surgery between PD Han Chinese G2385R variant carriers and non-carriers. Fifty-seven PD patients with bilateral STN-DBS were enrolled, including 8 G2385R+ variant carriers (G2385R+ group) and 49 non-carriers (G2385R- group). Clinical data included Unified Parkinson's Disease Rating Scale (UPDRS) parts I to IV, levodopa equivalent daily dose (LEDD), Mini-Mental State Examination Scale (MMSE) score, and Hamilton Depression Rating Scale (HAMD) score measured prior to DBS and 12 months post-DBS. DBS settings were also recorded. All PD patients benefited from STN-DBS surgery. There were no statistical differences between the two groups in terms of motor function, daily living activities, and LEDD reductions at 12 months post-DBS. The rigidity of the post-surgical G2385R+ group was significantly improved compared with that of the G2385R- group (P = 0.045). Post-surgical voltage in the G2385R+ group was significantly higher than that in the G2385R- group (P = 0.033). STN-DBS outcomes were not influenced by the LRRK2 G2385R variant in Han Chinese patients.
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Affiliation(s)
- Si Chen
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China
| | - Hong Liu
- Department of Neurology, People's Hospital of Liaocheng, Liaocheng, China
| | - Qian-Qian Wu
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China
| | - Shu-Jun Xu
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China
| | - Wei-Guo Li
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China
| | - Teng Chen
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China
| | - Chao Li
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China
| | - Xiang-Yu Ma
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China
| | - Shuo Xu
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China
| | - Yi-Ming Liu
- Department of Neurology, Qilu Hospital of Shandong University, Jinan, China
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Yang ZH, Li YS, Shi MM, Yang J, Liu YT, Mao CY, Fan Y, Hu XC, Shi CH, Xu YM. SNCA but not DNM3 and GAK modifies age at onset of LRRK2-related Parkinson's disease in Chinese population. J Neurol 2019; 266:1796-1800. [PMID: 31041581 DOI: 10.1007/s00415-019-09336-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 04/22/2019] [Accepted: 04/23/2019] [Indexed: 11/29/2022]
Abstract
BACKGROUND Recently, rs2421947 in DNM3 (dynamin 3) was reported as a genetic modifier of age at onset (AAO) of LRRK2 G2019S-related Parkinson's disease (PD) in a genome-wide association study in Arab-Berber population. Rs356219 in SNCA (α-synuclein) was also reported to regulate the AAO of LRRK2-related PD in European populations, and GAK (Cyclin G-associated kinase) rs1524282 was reported to be associated with an increased PD risk with an interaction with SNCA rs356219. G2019S variant is rare in Asian populations, whereas two other Asian-specific LRRK2 variants, G2385R and R1628P, are more frequent with a twofold increased risk of PD. METHODS In this study, we investigated whether rs2421947, rs356219 and rs1524282 modified AAO in LRRK2-related PD patients in Han Chinese population. We screened LRRK2 G2385R and R1628P variants in 732 PD patients and 1992 healthy controls, and genotyped DNM3 rs2421947, SNCA rs356219 and GAK rs1524282 among the LRRK2 carriers. RESULTS The SNCA rs356219-G allele was found to increase the risk of PD in LRRK2 carriers (OR 1.50, 95%CI 1.08-2.01, P = 0.016), and the AAO of AG + GG genotypes was 4 years earlier than AA genotype (P = 0.006). Nonetheless, no similar association was found in DNM3 rs2421947 and GAK rs1524282. CONCLUSIONS Our results show that SNCA but not DNM3 or GAK is associated with AAO of LRRK2-PD patients in Chinese population.
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Affiliation(s)
- Zhi-Hua Yang
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, 1 Jian-she east road, Zhengzhou, 450000, Henan, China
| | - Yu-Sheng Li
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, 1 Jian-she east road, Zhengzhou, 450000, Henan, China
| | - Meng-Meng Shi
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, 1 Jian-she east road, Zhengzhou, 450000, Henan, China
| | - Jing Yang
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, 1 Jian-she east road, Zhengzhou, 450000, Henan, China
| | - Yu-Tao Liu
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, 1 Jian-she east road, Zhengzhou, 450000, Henan, China
| | - Cheng-Yuan Mao
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, 1 Jian-she east road, Zhengzhou, 450000, Henan, China
| | - Yu Fan
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, 1 Jian-she east road, Zhengzhou, 450000, Henan, China
| | - Xin-Chao Hu
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, 1 Jian-she east road, Zhengzhou, 450000, Henan, China
| | - Chang-He Shi
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, 1 Jian-she east road, Zhengzhou, 450000, Henan, China.
| | - Yu-Ming Xu
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, 1 Jian-she east road, Zhengzhou, 450000, Henan, China.
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Zhang JR, Jin H, Li K, Mao CJ, Yang YP, Wang F, Gu CC, Zhang HJ, Chen J, Liu CF. Genetic analysis of LRRK2 in Parkinson's disease in Han Chinese population. Neurobiol Aging 2018; 72:187.e5-187.e10. [PMID: 30049590 DOI: 10.1016/j.neurobiolaging.2018.06.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 06/07/2018] [Accepted: 06/23/2018] [Indexed: 01/03/2023]
Abstract
Mutations in Leucine-rich repeat kinase 2 (LRRK2) are recognized as the most frequent genetic factors contributing to Parkinson's disease (PD). The aim of our study was to explore LRRK2 variants in PD patients within the mainland Han Chinese population. The whole coding regions of LRRK2 from 296 PD patients were sequenced by targeted regions sequencing and exome sequencing. Eighteen rare variants were identified in 27 PD patients, and 13 of them (M100T, L153W, A459S, S722N, R792K, C925Y, R981K, S1007T, V1447M, R1677S, N2308D, N2313S, and S2350I) were firstly reported in PD. We also tried to explore the genotype-phenotype associations of LRRK2 variants in our data and found that PD with common and rare LRRK2 variants was more likely to have motor fluctuation and nonmotor symptoms. The identification of novel variants in LRRK2 suggests that this gene plays an important role in the pathogenesis and phenotype of PD in Han Chinese population, and our data also rang the alarm bell-more attention should be paid to the whole coding regions of LRRK2.
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Affiliation(s)
- Jin-Ru Zhang
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Hong Jin
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Kai Li
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Cheng-Jie Mao
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Ya-Ping Yang
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China; Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, China
| | - Fen Wang
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, China
| | - Chen-Chen Gu
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Hui-Jun Zhang
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Jing Chen
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Chun-Feng Liu
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China; Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, China; Parkinson Disease Center of Beijing Institute for Brain Disorders, Beijing, China.
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Sun Q, Wang T, Jiang TF, Huang P, Li DH, Wang Y, Xiao Q, Liu J, Chen SD. Effect of a Leucine-rich Repeat Kinase 2 Variant on Motor and Non-motor Symptoms in Chinese Parkinson's Disease Patients. Aging Dis 2016; 7:230-6. [PMID: 27330837 PMCID: PMC4898919 DOI: 10.14336/ad.2015.1026] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Accepted: 10/26/2015] [Indexed: 11/01/2022] Open
Abstract
The G2385R variant of the leucine-rich repeat kinase 2 (LRRK2) is strongly associated with Parkinson's disease (PD) in Asian populations. However, it is still unclear whether the clinical phenotype of PD patients with the G2385R variant can be distinguished from that of patients with idiopathic PD. In this study, we investigated motor and non-motor symptoms of LRRK2 G2385R variant carriers in a Chinese population. We genotyped 1031 Chinese PD patients for the G2385R variant of the LRRK2 gene, and examined the demographic and clinical characteristics of LRRK2 G2385R variant carrier and non-carrier PD patients. LRRK2 G2385R variant carriers were more likely to present the postural instability and gait difficulty dominant (PIGD) phenotype. This variant was also significantly associated with motor fluctuations and the levodopa equivalent dose (LED). G2385R variant carriers had higher REM sleep behavior disorder (RBD) screening questionnaire (RBDSQ) score and more RBD symptoms compared with non-carriers. We concluded that the G2385R variant could be a risk factor for the PIGD phenotype, motor fluctuations, LED values and RBD symptoms.
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Affiliation(s)
- Qian Sun
- Department of Neurology & Institute of Neurology, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Tian Wang
- Department of Neurology & Institute of Neurology, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Tian-Fang Jiang
- Department of Neurology & Institute of Neurology, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Pei Huang
- Department of Neurology & Institute of Neurology, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Dun-Hui Li
- Department of Neurology & Institute of Neurology, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Ying Wang
- Department of Neurology & Institute of Neurology, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Qin Xiao
- Department of Neurology & Institute of Neurology, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jun Liu
- Department of Neurology & Institute of Neurology, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Sheng-Di Chen
- Department of Neurology & Institute of Neurology, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
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Yuan X, Chen Y, Cao B, Zhao B, Wei Q, Guo X, Yang Y, Yuan L, Shang H. An association analysis of the R1628P and G2385R polymorphisms of the LRRK2 gene in multiple system atrophy in a Chinese population. Parkinsonism Relat Disord 2015; 21:147-9. [PMID: 25511328 DOI: 10.1016/j.parkreldis.2014.11.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2014] [Revised: 11/18/2014] [Accepted: 11/25/2014] [Indexed: 02/05/2023]
Abstract
BACKGROUND Mutations in the leucine-rich repeat kinase 2 (LRRK2) gene have been reported to be responsible for autosomal dominant late-onset sporadic Parkinson's disease (PD). The R1628P and G2385R polymorphisms of the LRRK2 gene have been identified as exclusively associated with PD in Asian populations, particularly in Han Chinese population. Considering that there is overlap of the clinical manifestations and pathological characteristics between PD and MSA, we studied the possible associations between R1628P and G2385R polymorphisms of the LRRK2 and MSA in a population of Han Chinese patients. METHODS AND PATIENTS A total of 318 MSA patients and 350 unrelated age- and sex-matched healthy controls (HCs) were included in the study. All subjects were genotyped for R1628P and G2385R using polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP) analysis and direct sequencing. RESULTS No significant differences were observed in the genotype distribution and minor allele frequency (MAF) of R1628P between MSA patients and HCs (P = 0.418 and P = 0.424), between MSA-C and HCs (P = 0.347 and P = 0.353), between MSA-P and HCs (P = 0.787 and P = 0.790), and between MSA-C and MSA-P (P = 0.606 and P = 0.610). In addition, no significant differences were also observed in the genotype distribution and MAF of G2385R between MSA patients and HCs (P = 0.141 and P = 0.051), between MSA-C and HCs (P = 0.061 and P = 0.065), between MSA-P and HCs (P = 0.184 and P = 0.158), and between MSA-C and MSA-P (P = 0.354 and P = 0.853). CONCLUSION The present study suggests that R1628P and G2385R polymorphisms of the LRRK2 are not risk factors for MSA in the Han Chinese population.
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