Title: Depression and cognitive impairment in Parkinson's disease: a role for inflammation and immunomodulation?
Authors: Pessoa Rocha, Natália ×
Reis, Helton
Vanden Berghe, Pieter
Cirillo, Carla #
Issue Date: 2014
Publisher: S. Karger Medical and Scientific Publishers
Series Title: Neuroimmunomodulation vol:21 issue:2-3 pages:88-94
Article number: 10.1159/000356531
Abstract: The etiology of Parkinson's disease (PD) is complex and not fully understood, most probably because of the multiplicity of factors involved. Inflammatory and abnormal immune responses have been hypothesized to play a crucial role in PD. Not only in the brain, but also peripherally, inflammation is believed to contribute to the onset and progression of the neurodegenerative process seen in PD. Furthermore, increased inflammatory responses have been described both in the brain and peripheral blood of PD subjects. Although PD is considered a motor disorder, nonmotor symptoms are extremely frequent and disabling. Cognitive impairment and mood alterations are such symptoms that deserve increased attention since on the one hand they can appear even before typical motor disturbances are recognized, and on the other hand they are associated with high morbidity and mortality. A growing body of evidence suggests the existence of a link between inflammatory-immune responses and the occurrence of depression and cognitive impairment in PD patients. However, not all data are equally conclusive and are sometimes even conflicting. The aim of this brief review is to give an overview of the possible role that inflammation and immunomodulation may play in PD together with their putative impact on mood and cognitive alterations. What clearly emerges from this work is the fact that studies performed until now lack standardized and comparable methods to analyze both clinical and biological parameters. It is thus difficult to conclusively link mood and cognitive changes to underlying pathological mechanisms. Additional studies in this direction are warranted to convincingly establish or refute any causative relation. © 2014 S. Karger AG, Basel.
ISSN: 1021-7401
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Translational Research in GastroIntestinal Disorders
× corresponding author
# (joint) last author

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