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- Title
Decreased serum proNGF concentration in patients with Parkinson's disease.
- Authors
Xu, Xiao-Min; Dong, Mei-Xue; Feng, Xia; Liu, Yang; Pan, Jun-Xi; Jia, Shi-Yu; Cao, Du; Wei, You-Dong
- Abstract
Parkinson's disease (PD), a progressive and age-related neurodegenerative condition, is a common neurodegenerative disorder. However, no validated biomarkers for PD have been identified to date. Accumulating evidence supports the role of proNGF-p75NTR-sortilin signaling in the neurodegeneration and pathogenesis of PD. The aim of our study was to investigate alterations in serum proNGF concentrations in PD patients and related anxiety. Seventy-seven consecutive PD patients and 39 healthy controls were enrolled, and clinical data were collected. Modified Hoehn-Yahr Staging Scale, Unified Parkinson's Disease Rating Scale (UPDRS), and Hamilton Anxiety (HAMA) Scale scores were assessed upon admission. Serum proNGF concentration was compared between that of PD patients and healthy controls. Pearson correlation coefficients were determined to explore the relationship between proNGF concentration and UPDRS, Hoehn-Yahr, and HAMA scores. Received operating characteristic (ROC) curves and proNGF optimal cutoff point were used to distinguish PD and related anxiety. The median concentration of proNGF was significantly lower (p = 0.000) in PD patients (94.91 ng/L, range 85.92-118.06 ng/L) compared with that of healthy controls (106.67 ng/L, range 102.39-122.06 ng/L). The optimal proNGF cutoff point for distinguishing PD patients was 102.29 ng/L, and the sensitivity and specificity values were 87.0 and 100%, respectively. proNGF concentration positively correlated with UPDRS (r = 0.281, p = 0.013), Hoehn-Yahr (r = 0.260, p = 0.023), and HAMA (r = 0.276, p = 0.015) scores. Our results indicate that serum proNGF concentration may represent a biomarker for PD and its role in the pathogenesis of PD thus warrants further investigation.
- Subjects
PARKINSON'S disease; NEURODEGENERATION; BIOLOGICAL tags; CARCINOGENESIS; ANXIETY; PARKINSON'S disease diagnosis; NERVE tissue proteins; PROTEIN precursors; PSYCHOLOGICAL tests; RESEARCH funding; SEVERITY of illness index; RECEIVER operating characteristic curves; DISEASE complications
- Publication
Neurological Sciences, 2018, Vol 39, Issue 1, p91
- ISSN
1590-1874
- Publication type
journal article
- DOI
10.1007/s10072-017-3157-5