Research on the Premotor Symptoms of Parkinson’s Disease: Clinical and Etiological Implications

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Research on the Premotor Symptoms of Parkinson’s Disease: Clinical and Etiological Implications

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Title: Research on the Premotor Symptoms of Parkinson’s Disease: Clinical and Etiological Implications
Author: Chen, Honglei; Burton, Edward A.; Ross, G. Webster; Huang, Xuemei; Savica, Rodolfo; Abbott, Robert D.; Ascherio, Alberto; Caviness, John N.; Gao, Xiang; Gray, Kimberly A.; Hong, Jau-Shyong; Kamel, Freya; Jennings, Danna; Kirshner, Annette; Lawler, Cindy; Liu, Rui; Miller, Gary W.; Nussbaum, Robert; Peddada, Shyamal D.; Rick, Amy Comstock; Ritz, Beate; Siderowf, Andrew D.; Tanner, Caroline M.; Tröster, Alexander I.; Zhang, Jing

Note: Order does not necessarily reflect citation order of authors.

Citation: Chen, H., E. A. Burton, G. W. Ross, X. Huang, R. Savica, R. D. Abbott, A. Ascherio, et al. 2013. “Research on the Premotor Symptoms of Parkinson’s Disease: Clinical and Etiological Implications.” Environmental Health Perspectives 121 (11-12): 1245-1252. doi:10.1289/ehp.1306967. http://dx.doi.org/10.1289/ehp.1306967.
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Abstract: Background: The etiology and natural history of Parkinson’s disease (PD) are not well understood. Some non-motor symptoms such as hyposmia, rapid eye movement sleep behavior disorder, and constipation may develop during the prodromal stage of PD and precede PD diagnosis by years. Objectives: We examined the promise and pitfalls of research on premotor symptoms of PD and developed priorities and strategies to understand their clinical and etiological implications. Methods: This review was based on a workshop, Parkinson’s Disease Premotor Symptom Symposium, held 7–8 June 2012 at the National Institute of Environmental Health Sciences in Research Triangle Park, North Carolina. Discussion: Research on premotor symptoms of PD may offer an excellent opportunity to characterize high-risk populations and to better understand PD etiology. Such research may lead to evaluation of novel etiological hypotheses such as the possibility that environmental toxicants or viruses may initiate PD pathogenesis in the gastrointestinal tract or olfactory bulb. At present, our understanding of premotor symptoms of PD is in its infancy and faces many obstacles. These symptoms are often not specific to PD and have low positive predictive value for early PD diagnosis. Further, the pathological bases and biological mechanisms of these premotor symptoms and their relevance to PD pathogenesis are poorly understood. Conclusion: This is an emerging research area with important data gaps to be filled. Future research is needed to understand the prevalence of multiple premotor symptoms and their etiological relevance to PD. Animal experiments and mechanistic studies will further understanding of the biology of these premotor symptoms and test novel etiological hypothesis. Citation: Chen H, Burton EA, Ross GW, Huang X, Savica R, Abbott RD, Ascherio A, Caviness JN, Gao X, Gray KA, Hong JS, Kamel F, Jennings D, Kirshner A, Lawler C, Liu R, Miller GW, Nussbaum R, Peddada SD, Comstock Rick A, Ritz B, Siderowf AD, Tanner CM, Tröster AI, Zhang J. 2013. Research on the premotor symptoms of Parkinson’s Disease: clinical and etiological implications. Environ Health Perspect 121:1245–1252; http://dx.doi.org/10.1289/ehp.1306967
Published Version: doi:10.1289/ehp.1306967
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3855519/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:11879224
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