C 型尼曼镰刀型患者血浆神经丝轻链增加,但胶质纤维酸性蛋白保持正常。

IF 2.6 4区 医学 Q3 NEUROSCIENCES
Dhamidhu Eratne, Courtney Lewis, Wendy Kelso, Samantha Loi, Wei-Hsuan Michelle Chiu, Kaj Blennow, Henrik Zetterberg, Alexander F Santillo, Dennis Velakoulis, Mark Walterfang
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引用次数: 0

摘要

目的:C型尼曼-皮克病(NPC)是一种遗传性神经退行性溶酶体贮积症,通常与精神症状和准确诊断与治疗的延误有关。本研究调查了与健康对照组相比,鼻咽癌患者血浆神经丝蛋白轻链(NfL)和胶质纤维酸性蛋白(GFAP)的生物标志物水平和诊断效用:方法:从专科评估和管理服务机构招募鼻咽癌患者。从年龄和性别匹配的健康对照组获得数据。使用 Quanterix Simoa HD-X 分析仪测量 NfL 和 GFAP,并使用广义线性模型对各组进行比较。将 NfL 水平与最近制定的 NfL 参考范围进行比较,并得出百分位数:结果:与25名对照组患者相比,11名鼻咽癌患者的血浆NfL明显升高(平均17.1pg/mL vs 7.4pg/mL,p98百分位数)。NfL 能准确区分鼻咽癌和对照组。鼻咽癌患者的 GFAP 水平没有升高(66.6pg/mL vs 75.1pg/mL):该研究为血浆NfL在鼻咽癌中的潜在诊断作用提供了重要证据,扩展了NfL作为诊断工具用于区分神经退行性疾病和原发性精神疾病的文献,并为鼻咽癌主要涉及神经元(尤其是轴突)变性的病理学提供了支持。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Plasma neurofilament light chain is increased in Niemann-Pick Type C but glial fibrillary acidic protein remains normal.

Objective: Niemann-Pick Type C (NPC) is a genetic neurodegenerative lysosomal storage disorder commonly associated with psychiatric symptoms and delays to accurate diagnosis and treatment. This study investigated biomarker levels and diagnostic utility of plasma neurofilament light chain (NfL) and glial fibrillary acidic protein (GFAP) in NPC compared to healthy controls.

Methods: Patients with NPC were recruited from a specialist assessment and management service. Data was available from an age and sex-matched healthy control group. NfL and GFAP were measured on Quanterix Simoa HD-X analysers and groups compared using generalised linear models. NfL levels were compared to, and percentiles derived from, recently developed NfL reference ranges.

Results: Plasma NfL was significantly elevated in 11 patients with NPC compared to 25 controls (mean 17.1 vs. 7.4 pg/ml, p < 0.001), and reference ranges (all >98th percentile). NfL distinguished NPC from controls with high accuracy. GFAP levels were not elevated in NPC (66.6 vs. 75.1 pg/ml).

Discussion: The study adds important evidence on the potential diagnostic utility of plasma NfL in NPC, extends the literature of NfL as a diagnostic tool to differentiate neurodegenerative from primary psychiatric disorders, and adds support to the pathology in NPC primarily involving neuronal, particularly axonal, degeneration.

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来源期刊
Acta Neuropsychiatrica
Acta Neuropsychiatrica NEUROSCIENCES-PSYCHIATRY
自引率
5.30%
发文量
30
期刊介绍: Acta Neuropsychiatrica is an international journal focussing on translational neuropsychiatry. It publishes high-quality original research papers and reviews. The Journal''s scope specifically highlights the pathway from discovery to clinical applications, healthcare and global health that can be viewed broadly as the spectrum of work that marks the pathway from discovery to global health.
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