Abnormal ghrelin secretion contributes to gastrointestinal symptoms in multiple system atrophy patients.

Abstract:

:Patients with multiple system atrophy (MSA) often have evidence of compromised gastrointestinal motility. Ghrelin is a gut hormone that influences gastrointestinal motility in humans. The aim of this study was to determine whether ghrelin secretion is affected in MSA patients, and to investigate the relation between ghrelin secretion and gastrointestinal symptoms. Plasma levels of active ghrelin and unacylated ghrelin were measured in patients with MSA (n = 30), other atypical parkinsonian disorders including progressive supranuclear palsy-Richardson syndrome and corticobasal syndrome (n = 24), and control subjects (n = 24) using enzyme-linked immunosorbent assays. Gastrointestinal symptoms were quantified in all subjects using a self-report questionnaire. The ratio of active ghrelin to total ghrelin in the plasma (active ghrelin ratio) was lower in patients with MSA (mean: 8.0 %) than in patients with other atypical parkinsonian disorders (mean: 13.7 %, P = 0.001) and control subjects (mean: 13.9 %, P = 0.001). The active ghrelin ratio was correlated with the severity of gastrointestinal symptoms in MSA (r = -0.5, P = 0.004). Our observations indicate that ghrelin secretion is affected in patients with MSA. The low active ghrelin ratio may contribute to gastrointestinal symptoms in MSA.

journal_name

J Neurol

journal_title

Journal of neurology

authors

Ozawa T,Tokunaga J,Arakawa M,Ishikawa A,Takeuchi R,Mezaki N,Miura T,Sakai N,Hokari M,Takeshima A,Utsumi K,Kondo T,Yokoseki A,Nishizawa M

doi

10.1007/s00415-013-6944-9

subject

Has Abstract

pub_date

2013-08-01 00:00:00

pages

2073-7

issue

8

eissn

0340-5354

issn

1432-1459

journal_volume

260

pub_type

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