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Serum ceramide levels are altered in multiple sclerosis
Multiple Sclerosis Journal ( IF 4.8 ) Pub Date : 2020-12-14 , DOI: 10.1177/1352458520971816
Angeliki G Filippatou 1 , Mohammed Moniruzzaman 1 , Elias S Sotirchos 1 , Kathryn C Fitzgerald 1 , Grigorios Kalaitzidis 1 , Jeffrey Lambe 1 , Eleni Vasileiou 1 , Shiv Saidha 1 , Jerry L Prince 2 , Norman Haughey 1 , Peter A Calabresi 1 , Pavan Bhargava 1
Affiliation  

BACKGROUND Sphingolipids are myelin components and inflammatory signaling intermediates. Sphingolipid metabolism may be altered in people with multiple sclerosis (PwMS), but existing studies are limited by small sample sizes. OBJECTIVES To compare the levels of serum ceramides between PwMS and healthy controls (HCs) and to determine whether ceramide levels correlate with disability status, as well as optical coherence tomography (OCT)-derived rates of retinal layer atrophy. METHODS We performed targeted lipidomics analyses for 45 ceramides in PwMS (n = 251) and HCs (n = 68). For a subset of PwMS, baseline and 5-year Expanded Disability Status Scale (EDSS) assessments (n = 185), or baseline and serial spectral-domain OCT (n = 180) were assessed. RESULTS Several ceramides, including hexosylceramides, lactosylceramides, and dihydroceramides, were altered in PwMS compared with HCs. Higher levels of Cer16:0 were associated with higher odds of EDSS worsening at 5 years in univariable (odds ratio (OR) = 3.84, 95% confidence interval (CI) = 1.41-10.43) and multivariable analyses accounting for age, sex, and race (OR = 2.97, 95% CI = 1.03-8.59). Each 1 ng/mL higher concentration of Hex-Cer22:0 and DH-HexCer22:0 was associated with accelerated rates (μm/year) of ganglion cell + inner plexiform layer (-0.138 ± 0.053, p = 0.01; -0.158 ± 0.053, p = 0.003, respectively) and peripapillary retinal nerve fiber layer thinning (-0.305 ± 0.107, p = 0.004; -0.358 ± 0.106, p = 0.001, respectively). CONCLUSION Ceramide levels are altered in PwMS and may be associated with retinal neurodegeneration and physical disability.

中文翻译:

多发性硬化症患者的血清神经酰胺水平发生改变

背景技术鞘脂是髓磷脂成分和炎症信号中间体。多发性硬化症 (PwMS) 患者的鞘脂代谢可能会发生变化,但现有研究受到小样本量的限制。目标 比较 PwMS 和健康对照 (HCs) 之间的血清神经酰胺水平,并确定神经酰胺水平是否与残疾状态相关,以及光学相干断层扫描 (OCT) 衍生的视网膜层萎缩率。方法 我们对 PwMS (n = 251) 和 HCs (n = 68) 中的 45 种神经酰胺进行了靶向脂质组学分析。对于 PwMS 的子集,评估了基线和 5 年扩展残疾状态量表 (EDSS) 评估 (n = 185),或基线和系列光谱域 OCT (n = 180)。结果 几种神经酰胺,包括己糖神经酰胺、乳糖神经酰胺和二氢神经酰胺,与 HCs 相比,PwMS 发生了改变。在单变量(优势比 (OR) = 3.84,95% 置信区间 (CI) = 1.41-10.43)和考虑年龄、性别和种族(OR = 2.97,95% CI = 1.03-8.59)。Hex-Cer22:0 和 DH-HexCer22:0 浓度每增加 1 ng/mL,与神经节细胞 + 内丛状层的加速速率(μm/年)相关(-0.138 ± 0.053,p = 0.01;-0.158 ± 0.053 , p = 0.003, 分别) 和 peripapillary 视网膜神经纤维层变薄 (-0.305 ± 0.107, p = 0.004; -0.358 ± 0.106, p = 0.001, 分别)。结论 神经酰胺水平在 PwMS 中发生改变,可能与视网膜神经变性和身体残疾有关。在单变量(比值比 (OR) = 3.84,95% 置信区间 (CI) = 1.41-10.43)和考虑年龄、性别和种族的多变量分析(OR = 2.97)中,0 与 5 年时 EDSS 恶化的较高几率相关, 95% CI = 1.03-8.59)。Hex-Cer22:0 和 DH-HexCer22:0 浓度每增加 1 ng/mL,与神经节细胞 + 内丛状层的加速速率(μm/年)相关(-0.138 ± 0.053,p = 0.01;-0.158 ± 0.053 , p = 0.003, 分别) 和 peripapillary 视网膜神经纤维层变薄 (-0.305 ± 0.107, p = 0.004; -0.358 ± 0.106, p = 0.001, 分别)。结论 神经酰胺水平在 PwMS 中发生改变,可能与视网膜神经变性和身体残疾有关。在单变量(比值比 (OR) = 3.84,95% 置信区间 (CI) = 1.41-10.43)和考虑年龄、性别和种族的多变量分析(OR = 2.97)中,0 与 5 年时 EDSS 恶化的较高几率相关, 95% CI = 1.03-8.59)。Hex-Cer22:0 和 DH-HexCer22:0 浓度每增加 1 ng/mL,与神经节细胞 + 内丛状层的加速速率(μm/年)相关(-0.138 ± 0.053,p = 0.01;-0.158 ± 0.053 , p = 0.003, 分别) 和 peripapillary 视网膜神经纤维层变薄 (-0.305 ± 0.107, p = 0.004; -0.358 ± 0.106, p = 0.001, 分别)。结论 神经酰胺水平在 PwMS 中发生改变,可能与视网膜神经变性和身体残疾有关。43) 和考虑年龄、性别和种族的多变量分析 (OR = 2.97, 95% CI = 1.03-8.59)。Hex-Cer22:0 和 DH-HexCer22:0 浓度每增加 1 ng/mL,与神经节细胞 + 内丛状层的加速速率(μm/年)相关(-0.138 ± 0.053,p = 0.01;-0.158 ± 0.053 , p = 0.003, 分别) 和 peripapillary 视网膜神经纤维层变薄 (-0.305 ± 0.107, p = 0.004; -0.358 ± 0.106, p = 0.001, 分别)。结论 神经酰胺水平在 PwMS 中发生改变,可能与视网膜神经变性和身体残疾有关。43) 和考虑年龄、性别和种族的多变量分析 (OR = 2.97, 95% CI = 1.03-8.59)。Hex-Cer22:0 和 DH-HexCer22:0 浓度每增加 1 ng/mL,与神经节细胞 + 内丛状层的加速速率(μm/年)相关(-0.138 ± 0.053,p = 0.01;-0.158 ± 0.053 , p = 0.003, 分别) 和 peripapillary 视网膜神经纤维层变薄 (-0.305 ± 0.107, p = 0.004; -0.358 ± 0.106, p = 0.001, 分别)。结论 神经酰胺水平在 PwMS 中发生改变,可能与视网膜神经变性和身体残疾有关。分别)和 peripapillary 视网膜神经纤维层变薄(-0.305 ± 0.107,p = 0.004;-0.358 ± 0.106,p = 0.001,分别)。结论 神经酰胺水平在 PwMS 中发生改变,可能与视网膜神经变性和身体残疾有关。分别)和 peripapillary 视网膜神经纤维层变薄(-0.305 ± 0.107,p = 0.004;-0.358 ± 0.106,p = 0.001,分别)。结论 神经酰胺水平在 PwMS 中发生改变,可能与视网膜神经变性和身体残疾有关。
更新日期:2020-12-14
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