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血清蛋白风险分层分数用于对代谢功能障碍相关的脂肪肝炎的诊断评估

Michelle Lai^1,2, Simon T Dillon^1,2,3,4, Xuesong Gu^1,2,3,4

¹Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA.

Hepatology communications

|December 2, 2024

概括

一个新的MASH Dx评分使用血清蛋白和临床数据可靠地识别患有高风险代谢功能障碍相关脂肪肝炎 (MASH) 的患者. 这种工具有助于更好地治疗这种肝脏疾病的患者.

科学领域:

肝病学和胃肠病学肝病学和胃肠学
蛋白质组学和生物标志物发现发现
非侵入性诊断非侵入性诊断

背景情况:

代谢功能障碍相关的脂肪肝炎 (MASH) 需要可靠的,非侵入性的诊断工具,以改善患者管理.
目前MASH的诊断方法可能具有侵入性或缺乏确定高风险个体的准确性.
迫切需要准确的风险分层来指导治疗决策.

研究的目的:

开发和验证一种非侵入性风险分层评分,用于识别高风险代谢功能障碍相关的脂肪肝炎 (MASH).
为了提高诊断准确性,将新型蛋白质学衍生血清标记物与已确定的临床变量结合在一起.
为了评估分数在不同患者队列中的表现.

主要方法:

一项采用SOMAscan和ELISA检测的三相蛋白质组学研究,对来自生检证明MASH.患者的血清样本进行了分析.
开发一个多蛋白质分类器,随后与临床数据 (年龄,BMI,ALT,糖尿病,高血压) 进行整合,以形成MASH Dx评分.
在独立的美国,德国和巴西队伍中验证MASH Dx得分.

主要成果:

在发现阶段,一个6蛋白分类器在MASH检测方面表现出高准确度 (AUC0.93).
9个特征的MASH Dx评分,将4个关键蛋白质 (THBS2,GDF15,SELE,IGFBP7) 与临床因素结合起来,显示MASH (AUC0.87-0.83) 和高风险MASH (F2-4) 的良好区分.
在发现和外部验证队伍中得分表现一致.

结论:

MASH Dx评分代表了一种新,可靠和非侵入性的方法来检测高风险的MASH.
这种方法将生物可信的纤维化标志物与改善诊断能力的临床参数相结合.
经过验证的MASH Dx得分有可能在不同人群中管理MASH患者的临床应用.

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