生物标志物 生物标志物
Mohammad Nafeli Shahrestani1,2, Hannah Gardener1,2, Emir Veledar1,2
1University of Miami Miller School of Medicine, Miami, FL, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
概括
该研究发现,较高水平的化学因子CXCL9 (C-X-C Motif Chemokine Ligand 9) 与白质过强度有关,特别是在西班牙裔个体中. 这表明CXCL9可能在特定种族的神经炎症和认知衰退中发挥作用.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 遗传学 遗传学 是一个
背景情况:
- 促炎性细胞因子和化学因子与神经退行性疾病有关.
- 具体的免疫路径及其种族影响尚未完全理解.
- 以前的研究将CXCL9和CCL2与轻度认知障碍 (MCI) 和痴呆症联系起来.
研究的目的:
- 检查血清生物标志物CXCL9和CCL2与白质高强度体积 (WMHV) 之间的关联.
- 调查这些关联是否因种族和种族而改变.
主要方法:
- 来自北曼哈顿研究 (NOMAS) 的1179名临床上没有中风的参与者的子样本接受了大脑MRI.
- 白质超强度体积 (WMHV) 量化并除以内体积.
- 测量CXCL9和CCL2的血清水平使用基于珠的免疫试验,并使用线性回归模型进行分析,并根据相关因素进行调整.
主要成果:
- 在较高的血清CXCL9水平和增加的WMHV之间发现了显著的关联.
- 这种关联因种族/种族而显著改变,在西班牙裔参与者中最强.
- CCL2与WMHV的相关性很弱,没有显著的种族差异.
结论:
- 干扰素γ诱导的血管静止性CXCL9可能参与免疫网络,导致白血病.
- 观察到的CXCL9-WMHV关联的种族修饰可能有助于解释其与不同人群认知障碍的联系.
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