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Abnormal Serum Iron-Status Indicator Changes in Amyotrophic Lateral Sclerosis (ALS) Patients: A Meta-Analysis.
Frontiers in Neurology ( IF 3.4 ) Pub Date : 2020-05-20 , DOI: 10.3389/fneur.2020.00380
Lan Wang 1 , Chunyu Li 1 , Xueping Chen 1 , Shuying Li 1 , Huifang Shang 1
Affiliation  

Background: In recent years, the role of iron metabolism in amyotrophic lateral sclerosis (ALS) attracts more and more attention, and some studies have focused on the link between abnormal serum iron indicators and ALS. However, there are still big conflicts and inconsistency among different studies. To study the possible relationship between ALS and disturbed iron metabolism, we conducted this meta-analysis to conclude characteristics of abnormal serum iron-status indicator changes in ALS patients. Methods: We searched and screened main databases, including the PubMed, Embase, and Cochrane Library, to find studies related to the association between iron metabolism and ALS. The Revman 5.3 software was used to conduct meta-analysis. Results: Eleven studies were finally included in our analysis, composed of 1,599 ALS patients and 1,255 controls in total. The results showed that the ferritin level was much higher in ALS patients compared with controls (MD = 70.48, 95% CI [51.41, 89.55], p < 0.00001), and the transferrin level was decreased in ALS patients compared with controls (SMD = -0.28, 95% CI [-0.38, -0.18], p < 0.00001), while there was no statistical difference in iron levels (SMD = 0.48, 95% CI [-0.07, 1.03], p = 0.09) between ALS patients and controls. Conclusions: Our research finds unusual changes in several indicators representing iron status, which suggest possible iron metabolism abnormalities in ALS patients. That may provide evidence for the link between iron metabolism and the pathogenesis of ALS.

中文翻译:

肌萎缩性侧索硬化症(ALS)患者的血清铁状态指标异常:一项荟萃分析。

背景:近年来,铁代谢在肌萎缩性侧索硬化症(ALS)中的作用受到越来越多的关注,并且一些研究集中在异常血清铁指标与ALS之间的联系上。但是,不同研究之间仍然存在很大的矛盾和矛盾。为了研究ALS与铁代谢紊乱之间的可能关系,我们进行了这项荟萃分析,以得出ALS患者血清铁状态指标异常变化的特征。方法:我们搜索和筛选了主要数据库,包括PubMed,Embase和Cochrane库,以查找与铁代谢与ALS之间的关联相关的研究。使用Revman 5.3软件进行荟萃分析。结果:我们的分析最终包括11项研究,包括1,599例ALS患者和1例 总共255个控件。结果显示,与对照组相比,ALS患者的铁蛋白水平高得多(MD = 70.48,95%CI [51.41,89.55],p <0.00001),与对照组相比,ALS患者的转铁蛋白水平降低(SMD = -0.28,95%CI [-0.38,-0.18],p <0.00001),而ALS患者之间铁水平无统计学差异(SMD = 0.48,95%CI [-0.07,1.03],p = 0.09)和控件。结论:我们的研究发现代表铁状态的几个指标出现异常变化,这提示ALS患者可能存在铁代谢异常。这可能为铁代谢与ALS发病机理之间的联系提供证据。与对照组相比,ALS患者的转铁蛋白水平降低(SMD = -0.28,95%CI [-0.38,-0.18],p <0.00001),而铁水平无统计学差异(SMD = 0.48,95% ALS患者和对照组之间的CI [-0.07,1.03],p = 0.09)。结论:我们的研究发现代表铁状态的几个指标出现异常变化,这提示ALS患者可能存在铁代谢异常。这可能为铁代谢与ALS发病机理之间的联系提供证据。与对照组相比,ALS患者的转铁蛋白水平降低(SMD = -0.28,95%CI [-0.38,-0.18],p <0.00001),而铁水平无统计学差异(SMD = 0.48,95% ALS患者和对照组之间的CI [-0.07,1.03],p = 0.09)。结论:我们的研究发现代表铁状态的几个指标出现异常变化,这提示ALS患者可能存在铁代谢异常。这可能为铁代谢与ALS发病机理之间的联系提供证据。我们的研究发现代表铁状态的几个指标出现异常变化,这提示ALS患者可能存在铁代谢异常。这可能为铁代谢与ALS发病机理之间的联系提供证据。我们的研究发现代表铁状态的几个指标出现异常变化,这提示ALS患者可能存在铁代谢异常。这可能为铁代谢与ALS发病机理之间的联系提供证据。
更新日期:2020-05-20
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