Article Publish Status: FREE
Abstract Title:

Mild Cognitive Impairment Patients Have Higher Regulatory T-Cell Proportions Compared With Alzheimer's Disease-Related Dementia Patients.

Abstract Source:

Front Aging Neurosci. 2020 ;12:624304. Epub 2021 Jan 22. PMID: 33551792

Abstract Author(s):

Jiping Fu, Jinhai Duan, Jianwei Mo, Hao Xiao, Yuedong Huang, Weiping Chen, Shaotong Xiang, Fan Yang, Yongjun Chen, Shuwen Xu

Article Affiliation:

Jiping Fu


The role of neuroinflammation in the pathogenesis of Alzheimer's disease (AD) has attracted much attention recently. Regulatory T-cells (Tregs) play an important role in modulating inflammation. We aimed to explore the Treg-related immunosuppression status at different stages of AD.Thirty healthy control (HC) subjects, 26 patients with mild cognitive impairment (MCI), 30 patients with mild probable AD-related dementia, and 28 patients with moderate-to-severe probable AD-related dementia underwent detailed clinical history taking, structural MRI scanning, and neuropsychological assessment. Peripheral blood samples were taken to measure the percentage of CD4CD25CD127Tregs by flow cytometry and the levels of interleukin (IL-10), interleukin (IL-35), and transforming growth factorβ (TGF-β) by ELISA.The percentage of Tregs in the blood of MCI patients was the highest (9.24%); there was a significant difference between patients with MCI and patients with probable AD-related dementia. The level of TGF-β in patients with MCI (47.02 ng/ml) was significantly increased compared with patients with AD-related dementia. There were positive correlations between Treg percentage, IL-35, and Mini-mental state evaluation scores in patients with MCI and probable AD-related dementia.Patients with MCI have stronger Treg-related immunosuppression status compared with patients with probable AD-related dementia.

Study Type : Human Study

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