治疗反应的血清代谢量在严重肌痛性肌痛症
Patricia Sikorski1,2, Yaoxiang Li3, Mehar Cheema1
1Department of Neurology & Rehabilitation Medicine, George Washington University, Washington, DC, United States of America.
PloS one
|October 10, 2023
概括
研究人员在肌痛性骨髓灰质炎 (MG) 患者中发现了新的生物标志物,这些生物标志物可以预测对普得尼松治疗的反应. 这一发现可能会导致针对MG的个性化皮质类固醇治疗,改善非响应者的结果.
科学领域:
- *神经免疫学和临床神经学.
- * 代谢学和脂质学.
- * 发现自身免疫性疾病的生物标志物.
背景情况:
- *高剂量的普雷尼松是肌痛性肌痛症 (MG) 的首要治疗方法,但大约三分之一的患者没有反应.
- * 目前,没有可靠的生物标志物可以预测患者对皮质类固醇治疗的反应.
- * 识别预测生物标志物对于优化MG治疗策略至关重要.
研究的目的:
- * 发现血清生物标志物,可以预测肌痛严重症 (MG) 患者对普得尼松的临床反应.
- *使用MGTX临床试验中的代谢和脂质组概况来识别生物标志物.
- *为了将基线血清概况与六个月后的治疗反应相关联.
主要方法:
- *从MGTX试验的血清样本使用超高性能液态染色学和质谱学进行了分析.
- * 在进入研究时进行了代谢和脂质分析的比较.
- * 用经过验证的措施评估治疗反应,包括最小表现状态 (MMS),MG-日常生活活动 (MG-ADL) 和定量MG (QMG) 评分.
主要成果:
- *血清脂的增加与治疗反应相关 (QMG,MMS,响应者分类).
- *一个预测小组 (histidine,自由脂肪酸 (13:0),γ-cholestenol,guanosine) 实现了治疗响应的AUC为0.90.
- *路径分析表明,异生菌代谢在治疗耐药性方面起着作用.
结论:
- * 已确定一种特定的代谢和脂质组概况作为MG皮质类固醇治疗反应的潜在预测标记.
- * 对于不同的结果指标而言,不同的代谢概况表明了独特的生物学基础.
- * 普得尼松代谢的个体间变化可能会影响MG患者的治疗疗效.
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