3 years ago

Assessments of plasma ghrelin levels in the early stages of parkinson's disease

Jack T. Rogers, Ning Song, Hong Jiang, Fengjv Jia, Weiwei Wang, Qing He, Jing Zhang, Xiaoli Shen, Xixun Du, Anmu Xie, Junxia Xie
Background Gastrointestinal symptoms are early events in Parkinson's disease (PD). The gastrointestinal hormone ghrelin was neuroprotective in the nigrostriatal dopamine system. The objective of this study was to assess ghrelin levels in the early stages of PD. Methods Plasma was collected in the fasting state in 291 PD patients in stages 1-3 and 303 age- and sex-matched healthy controls. Additional samples were taken in the glucose response test to assess nutrition-related ghrelin levels in 20 PD patients and 20 healthy controls. The enzyme-linked immunosorbent assay was used to measure total and active plasma ghrelin levels. Results We reported that total and active plasma ghrelin levels were decreased in PD, although there was no difference across progressive PD stages. Postprandial ghrelin suppression and preprandial peak responses were both attenuated in PD. Conclusions Plasma ghrelin levels were decreased in PD; however, this event might be irrelevant to PD progression. Ghrelin responses to meals were also impaired in PD. © 2017 International Parkinson and Movement Disorder Society

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/mds.27095

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