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Increased Tc17 cell levels and imbalance of naïve/effector immune response in Parkinson’s disease patients in a two-year follow-up: a case control study
Journal of Translational Medicine ( IF 6.1 ) Pub Date : 2021-09-06 , DOI: 10.1186/s12967-021-03055-2
Diana D Álvarez-Luquín 1 , Adrián Guevara-Salinas 1 , Asiel Arce-Sillas 1 , Raquel Espinosa-Cárdenas 1 , Jaquelín Leyva-Hernández 1 , Esteban U Montes-Moratilla 1 , Laura Adalid-Peralta 1
Affiliation  

Neuroinflammation has been proved to play a role in dopaminergic neuronal death in Parkinson’s disease (PD). This link highlights the relevance of the immune response in the progression of the disease. However, little is known about the impact of peripheral immune response on the disease. This study is aimed to evaluate how immune cell populations change in untreated PD patients followed-up for 2 years. Thirty-two patients with no previous treatment (PD-0 yr) and twenty-two healthy subjects (controls) were included in the study. PD patients were sampled 1 and 2 years after the start of the treatment. CD4 T cells (naïve/central memory, effector, and activated), CD8 T cells (activated, central memory, effector memory, NKT, Tc1, Tc2, and Tc17), and B cells (activated, plasma, and Lip-AP) were characterized by flow cytometry. We observed decreased levels of naïve/central memory CD4 and CD8 T cells, Tc1, Tc2, NKT, and plasma cells, and increased levels of effector T cells, activated T cells, and Tc17. PD patients treated for 2 years showed an imbalance in the naive/effector immune response. Naïve and effector cell levels were associated with clinical deterioration. These populations are also correlated to aging. On the other hand, higher Tc17 levels suggest an increased inflammatory response, which may impact the progression of the disease. Our results highlight the relevant effect of treatment on the immune response, which could improve our management of the disease.

中文翻译:

在为期两年的随访中,帕金森病患者 Tc17 细胞水平升高和初始/效应免疫反应失衡:病例对照研究

神经炎症已被证明在帕金森病 (PD) 的多巴胺能神经元死亡中起作用。该链接强调了免疫反应在疾病进展中的相关性。然而,关于外周免疫反应对疾病的影响知之甚少。本研究旨在评估未经治疗的 PD 患者随访 2 年的免疫细胞群如何变化。研究中包括了 32 名既往未接受治疗的患者 (PD-0 年) 和 22 名健康受试者 (对照组)。在治疗开始后 1 年和 2 年对 PD 患者进行抽样。CD4 T 细胞(初始/中央记忆、效应和激活)、CD8 T 细胞(激活、中央记忆、效应记忆、NKT、Tc1、Tc2 和 Tc17)和 B 细胞(激活、血浆和 Lip-AP)通过流式细胞术表征。我们观察到初始/中枢记忆 CD4 和 CD8 T 细胞、Tc1、Tc2、NKT 和浆细胞水平降低,效应 T 细胞、活化 T 细胞和 Tc17 水平增加。治疗 2 年的 PD 患者表现出初始/效应免疫反应的不平衡。初始和效应细胞水平与临床恶化相关。这些人群也与老龄化有关。另一方面,较高的 Tc17 水平表明炎症反应增加,这可能会影响疾病的进展。我们的结果强调了治疗对免疫反应的相关影响,这可以改善我们对疾病的管理。治疗 2 年的 PD 患者表现出初始/效应免疫反应的不平衡。初始和效应细胞水平与临床恶化相关。这些人群也与老龄化有关。另一方面,较高的 Tc17 水平表明炎症反应增加,这可能会影响疾病的进展。我们的结果强调了治疗对免疫反应的相关影响,这可以改善我们对疾病的管理。治疗 2 年的 PD 患者表现出初始/效应免疫反应的不平衡。初始和效应细胞水平与临床恶化相关。这些人群也与老龄化有关。另一方面,较高的 Tc17 水平表明炎症反应增加,这可能会影响疾病的进展。我们的结果强调了治疗对免疫反应的相关影响,这可以改善我们对疾病的管理。
更新日期:2021-09-06
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