Alpha-synuclein in gastric and colonic mucosa in Parkinson's disease: Limited role as a biomarker

被引：69

作者：

Chung, Sun Ju ^{[1
]}

Kim, Juyeon ^{[1
,2
]}

Lee, Hyo Jeong ^{[3
,4
]}

Ryu, Ho-Sung ^{[1
]}

Kim, Kiju ^{[1
]}

Lee, Jeong Hoon ^{[3
]}

Jung, Kee Wook ^{[3
]}

Kim, Mi Jung ^{[5
]}

Kim, Mi-Jung ^{[4
]}

Kim, Young Jin ^{[1
]}

Yun, Sung-Cheol ^{[6
]}

Lee, Joo-Yong ^{[7
]}

Hong, Seung-Mo ^{[8
]}

Myung, Seung-Jae ^{[3
]}

机构：

[1] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Neurol, 88,Olymp Ro 43 Gil, Seoul 138736, South Korea

[2] Metro Hosp, Dept Neurol, Anyang, South Korea

[3] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Gastroenterol, Seoul 138736, South Korea

[4] Univ Ulsan, Coll Med, Asan Med Ctr, Hlth Screening & Promot Ctr, Seoul 138736, South Korea

[5] Bobath Mem Hosp, Dept Neurol, Songnam, South Korea

[6] Univ Ulsan, Coll Med, Asan Med Ctr, Div Biostat,Ctr Med Res & Informat, Seoul, South Korea

[7] Asan Med Ctr, Asan Inst Life Sci, Seoul, South Korea

[8] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Pathol, 88,Olymp Ro 43 Gil, Seoul 138736, South Korea

来源：

MOVEMENT DISORDERS | 2016年 / 31卷 / 02期

关键词：

Parkinson's disease; alpha-synuclein; stomach; colon; biomarker; LEWY BODIES; PREVALENCE; INCLUSIONS; PATHOLOGY; QUESTIONNAIRE; VALIDATION; EXPRESSION; BIOPSIES; LESIONS; BRAIN;

D O I：

10.1002/mds.26473

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

BackgroundGastric and colonic alpha-synuclein immunoreactivity has been reported in patients with Parkinson's disease (PD). However, enteric alpha-synuclein also has been reported in healthy individuals. ObjectivesWe aimed to investigate the utility of alpha-synuclein immunoreactivity from gastric and colonic mucosal tissues obtained by routine endoscopy to detect PD, and to correlate the pathological burden of alpha-synuclein with motor and nonmotor features of PD. MethodsWe recruited 104 study subjects, consisting of 38 patients with PD, 13 patients with probable multiple system atrophy (MSA), and 53 healthy controls. Gastric and colonic mucosal tissues obtained by endoscopic gastroduodenoscopy and colonoscopy were assessed using alpha-synuclein immunohistochemistry. Detailed motor and nonmotor features of PD were correlated with enteric alpha-synuclein immunoreactivity. ResultsNo difference was seen in the enteric -SYN immunoreactivity among patients with PD (31.6% for stomach and 10.4% for colon), patients with MSA (40.0% for stomach and 8.0% for colon), and healthy controls (33.3% for stomach and 18.5% for colon). The frequency of positive alpha-synuclein immunoreactivity was higher in gastric biopsy tissues than in colonic biopsy tissues in all of the study groups (P<0.05). No significant correlation was found between the presence of alpha-synuclein immunoreactivity and the motor and nonmotor features of PD. ConclusionsThe presence of alpha-synuclein immunoreactivity in gastric and colonic mucosa was detected in a similar manner in patients with PD, patients with MSA, and controls, thus suggesting a limited role of enteric mucosal alpha-synuclein as a diagnostic biomarker for PD. Future studies are warranted to detect pathological alpha-synuclein strains. (c) 2015 International Parkinson and Movement Disorder Society

引用

页码：241 / 249

页数：9

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