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Ser(P)-1292 LRRK2 in urinary exosomes is elevated in idiopathic Parkinson's disease
Movement disorders, 2016-10, Vol.31 (10), p.1543-1550
Fraser, Kyle B.
Rawlins, Ashlee B.
Clark, Rachel G.
Alcalay, Roy N.
Standaert, David G.
Liu, Nianjun
West, Andrew B.
2016
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Fraser, Kyle B.
Rawlins, Ashlee B.
Clark, Rachel G.
Alcalay, Roy N.
Standaert, David G.
Liu, Nianjun
West, Andrew B.
Titel
Ser(P)-1292 LRRK2 in urinary exosomes is elevated in idiopathic Parkinson's disease
Ist Teil von
Movement disorders, 2016-10, Vol.31 (10), p.1543-1550
Ort / Verlag
United States: Blackwell Publishing Ltd
Erscheinungsjahr
2016
Quelle
MEDLINE
Beschreibungen/Notizen
ABSTRACT Background Mutations in Leucine‐rich repeat kinase 2 (LRRK2) enhance levels of the autophosphorylated LRRK2 protein and are the most common known cause of inherited Parkinson's disease (PD). LRRK2 has been further implicated in susceptibility to idiopathic PD in genetic association studies. Objective The objective of this study was to compare autophosphorylated Ser(P)‐1292 LRRK2 levels from biobanked urine samples with clinical data in PD patients and controls. Methods Ser(P)‐1292 LRRK2 levels were measured from urine exosome fractions from 79 PD patients and 79 neurologically healthy controls enrolled in the Parkinson Disease Biomarker Program at the University of Alabama at Birmingham. Results Ser(P)‐1292 LRRK2 levels were higher in men than women (P < .0001) and elevated in PD patients when compared with controls (P = .0014). Ser(P)‐1292 LRRK2 levels were higher in PD cases with worse cognition and correlated with poor performance in MoCA (r = −0.2679 [−0.4628 to −0.0482]), MDS‐UPDRS subscales 1 and 2 (r = 0.2239 [0.0014‐0.4252], 0.3404 [0.1276‐0.5233], respectively), Epworth Sleepiness Scale (r = 0.3215 [0.1066‐0.5077]), and Modified Schwab and England Activities of Daily Living Scales (r = −0.4455 [−0.6078 to −0.2475]). Ser(P)‐1292 LRRK2 levels predicted those with worse cognitive impairment in PD patients with some success (c = 0.73). Conclusions Urinary exosome Ser(P)‐1292 LRRK2 levels are elevated in idiopathic PD and correlated with the severity of cognitive impairment and difficultly in accomplishing activities of daily living. These results implicate biochemical changes in LRRK2 in idiopathic PD. © 2016 International Parkinson and Movement Disorder Society
Sprache
Englisch
Identifikatoren
ISSN: 0885-3185, 1531-8257
eISSN: 1531-8257
DOI: 10.1002/mds.26686
Titel-ID: cdi_proquest_miscellaneous_1837301630
Format
–
Schlagworte
Adult
,
Aged
,
biomarker
,
Biomarkers - urine
,
cognitive decline
,
Cognitive Dysfunction - etiology
,
Cognitive Dysfunction - physiopathology
,
Exosomes - metabolism
,
Female
,
Humans
,
Leucine-Rich Repeat Serine-Threonine Protein Kinase-2 - urine
,
Male
,
microvesicles
,
Middle Aged
,
Movement disorders
,
PARK8
,
Parkinson Disease - complications
,
Parkinson Disease - physiopathology
,
Parkinson Disease - urine
,
Phosphorylation
,
Severity of Illness Index
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