Sortilin Expression Levels and Peripheral Immunity: A Potential Biomarker for Segregation between Parkinson's Disease Patients and Healthy Controls

被引:1
作者
Georgoula, Maria [1 ]
Ntavaroukas, Panagiotis [1 ]
Androutsopoulou, Anastasia [1 ]
Xiromerisiou, Georgia [2 ]
Kalala, Fani [3 ]
Speletas, Matthaios [3 ]
Asprodini, Eftihia [4 ]
Vasilaki, Anna [5 ]
Papoutsopoulou, Stamatia [1 ]
机构
[1] Univ Thessaly, Dept Biochem & Biotechnol, Larisa 41500, Greece
[2] Univ Thessaly, Fac Med, Larisa 41500, Greece
[3] Univ Thessaly, Fac Med, Lab Immunol & Histocompatibil, Larisa 41500, Greece
[4] Univ Thessaly, Fac Med, Lab Clin Pharmacol, Larisa 41500, Greece
[5] Univ Thessaly, Fac Med, Lab Pharmacol, Larisa 41500, Greece
关键词
sortilin; Parkinson's disease; peripheral immunity; monocytes; ALZHEIMERS-DISEASE; ALPHA-SYNUCLEIN; SERUM-LEVELS; INTERLEUKIN-6; ASSOCIATION; MONOCYTES; INTERPLAY; RISK; GENE; CELL;
D O I
10.3390/ijms25031791
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Parkinson's disease (PD) is characterized by substantial phenotypic heterogeneity that limits the disease prognosis and patient's counseling, and complicates the design of further clinical trials. There is an unmet need for the development and validation of biomarkers for the prediction of the disease course. In this study, we utilized flow cytometry and in vitro approaches on peripheral blood cells and isolated peripheral blood mononuclear cell (PBMC)-derived macrophages to characterize specific innate immune populations in PD patients versus healthy donors. We found a significantly lower percentage of B lymphocytes and monocyte populations in PD patients. Monocytes in PD patients were characterized by a higher CD40 expression and on-surface expression of the type I membrane glycoprotein sortilin, which showed a trend of negative correlation with the age of the patients. These results were further investigated in vitro on PBMC-derived macrophages, which, in PD patients, showed higher sortilin expression levels compared to cells from healthy donors. The treatment of PD-derived macrophages with oxLDL led to higher foam cell formation compared to healthy donors. In conclusion, our results support the hypothesis that surface sortilin expression levels on human peripheral monocytes may potentially be utilized as a marker of Parkinson's disease and may segregate the sporadic versus the genetically induced forms of the disease.
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页数:13
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