Could serum IGF-1 and IGF-2 serve as potential biomarkers in idiopathic Parkinson’s disease? A correlation with disease stages

IF 2.1 4区 医学 Q3 CLINICAL NEUROLOGY
Ezgi Ayse Cakir, Ayşegül Özyılmaz, Merve Alpay, Sare Uyurca
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引用次数: 0

Abstract

Introduction

Idiopathic Parkinson’s Disease (IPD) is a progressive neurodegenerative disorder characterized by tremor, rigidity, akinesia, and postural instability. Dysfunction in lysosomal autophagy, involving proteins like IGF-1(insulin like growth factor) and IGF-2, contributes to neuroinflammation and neuronal death. Reliable biomarkers for IPD diagnosis and monitoring remain elusive. This study investigates serum IGF-1 and IGF-2 levels to evaluate their biomarker potential.

Methods

Eighty-four individuals (43 IPD patients, 41 controls) aged 18–79 were included. Diagnoses followed the UK Brain Bank Criteria; disease severity was assessed with Hoehn & Yahr (H&Y) and UPDRS scales. Serum IGF-1 and IGF-2 levels were measured using ELISA. Statistical analyses were performed using SPSS v30.0. Normality was assessed via the Shapiro-Wilk test. Based on data distribution, Independent Samples t-test, Mann-Whitney U, Chi-square, Kruskal-Wallis, Spearman correlation, and ROC analysis were applied. A p-value < 0.05 was considered statistically significant.

Results

Serum IGF-2 levels were significantly higher in patients compared to controls (p = 0.006), while IGF-1 levels showed no significant difference. Both IGF-1 and IGF-2 levels displayed negatively correlated with disease duration (p = 0.044 and p = 0.008). Although IGF-1 and IGF-2 levels appeared elevated at H&Y stage 2, the differences were not statistically significant. No significant associations were observed between IGF levels and UPDRS scores or medication use.

Conclusion

Elevated serum IGF-2 levels indicate its potential as a biomarker for IPD. These findings contribute to a better understanding of the role of IGF-1 and IGF-2 in IPD pathophysiology, suggesting that further multicenter studies are needed to clarify their diagnostic and therapeutic potential.

血清IGF-1和IGF-2能否作为特发性帕金森病的潜在生物标志物?与疾病阶段相关。
特发性帕金森病(IPD)是一种进行性神经退行性疾病,以震颤、强直、运动障碍和姿势不稳定为特征。溶酶体自噬功能障碍,涉及IGF-1(胰岛素样生长因子)和IGF-2等蛋白,导致神经炎症和神经元死亡。IPD诊断和监测的可靠生物标志物仍然难以捉摸。本研究通过研究血清IGF-1和IGF-2水平来评估其生物标志物的潜力。方法:84例患者(43例IPD患者,41例对照组),年龄18-79岁。诊断遵循英国脑库标准;采用Hoehn & Yahr (H&Y)和UPDRS量表评估疾病严重程度。ELISA法检测血清IGF-1、IGF-2水平。采用SPSS v30.0进行统计学分析。通过夏皮罗-威尔克检验评估正常性。根据数据分布情况,采用独立样本t检验、Mann-Whitney U、卡方、Kruskal-Wallis、Spearman相关和ROC分析。A p值结果:患者血清IGF-2水平显著高于对照组(p = 0.006),而IGF-1水平无显著差异。IGF-1和IGF-2水平与病程呈负相关(p = 0.044和p = 0.008)。虽然IGF-1和IGF-2水平在H&Y第2期出现升高,但差异无统计学意义。未观察到IGF水平与UPDRS评分或药物使用之间存在显著关联。结论:血清IGF-2水平升高提示其作为IPD生物标志物的潜力。这些发现有助于更好地理解IGF-1和IGF-2在IPD病理生理中的作用,表明需要进一步的多中心研究来阐明其诊断和治疗潜力。
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来源期刊
Acta neurologica Belgica
Acta neurologica Belgica 医学-临床神经学
CiteScore
4.20
自引率
3.70%
发文量
300
审稿时长
6-12 weeks
期刊介绍: Peer-reviewed and published quarterly, Acta Neurologica Belgicapresents original articles in the clinical and basic neurosciences, and also reports the proceedings and the abstracts of the scientific meetings of the different partner societies. The contents include commentaries, editorials, review articles, case reports, neuro-images of interest, book reviews and letters to the editor. Acta Neurologica Belgica is the official journal of the following national societies: Belgian Neurological Society Belgian Society for Neuroscience Belgian Society of Clinical Neurophysiology Belgian Pediatric Neurology Society Belgian Study Group of Multiple Sclerosis Belgian Stroke Council Belgian Headache Society Belgian Study Group of Neuropathology
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