期刊
MOVEMENT DISORDERS
卷 29, 期 4, 页码 444-450出版社
WILEY
DOI: 10.1002/mds.25789
关键词
colon biopsy; alpha-synuclein; Parkinson's disease; biomarker; enteric nervous system
资金
- Parkinson Society Canada
An accurate early diagnostic test for Parkinson's disease (PD) is a critical unmet need. Recently, independent groups using different histological techniques have reported that the presence of alpha-synuclein (alpha-syn) in colonic biopsy tissue is able to distinguish living patients with PD from those without the disease. In addition, a further study has suggested that the presence of alpha-syn in colonic biopsy tissue may be evident in early or even prodromal PD. However, several questions remain regarding the translation of these findings into using the assessment of alpha-syn deposition in the enteric nervous system as a diagnostic biomarker for prodromal PD. Here we address critical issues related to the location and quantification of enteric alpha-syn, detection of alpha-syn with currently available histological techniques, timing of detection of alpha-syn deposition, and, most crucially, whether enteric alpha-syn can distinguish those with PD from both healthy individuals and individuals with other related diseases. We conclude that, although enteric alpha-syn is a very exciting prospect, further studies will be vital to determine whether enteric alpha-syn deposition has the potential to be the biomarker for prodromal PD that the field so desperately seeks. (c) 2013 International Parkinson and Movement Disorder Society
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