与代谢相关的脂肪性肝病亚型的数据驱动分类预测肝脏和肝脏外进展
Da Fang1,2, Shumeng Li3,4, Jiaqi Lu1
1Department of Endocrinology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu 210008, China.
研究人员确定了四种与代谢相关的脂肪性肝病 (MASLD) 亚型,具有明显的肝脏和其他器官并发症风险. 这种分类有助于对MASLD患者进行个性化风险分层和管理策略.
科学领域:
- 肝病学 肝病学是一种肝病学.
- 代谢障碍 代谢障碍 代谢障碍
- 生物信息学是一种生物信息学.
背景情况:
- 代谢相关的脂肪性肝病 (MASLD) 呈现异质的临床结果.
- 识别MASLD亚型对于预测肝脏和肝外并发症至关重要.
研究的目的:
- 区分与不同肝脏和肝外结果风险相关的MASLD亚型.
- 开发一种用于MASLD亚型和风险分层的新算法.
主要方法:
- 一个多任务的深度最小绝对收缩和选择运算符 (LASSO) 算法被用于特征选择.
- 在一个发现队列 (n=1111) 进行了聚类分析,该队列是活检证明的MASLD.
- 验证是在两个大型独立队列 (n=6172和n=7406) 中进行的,随访时间延长.
主要成果:
- 确定了四个不同的MASLD集群,每个都有独特的临床特征和风险概况.
- 集群4,以严重的胰岛素抵抗和内脏脂肪为特征,显示出心血管-肝脏-脏并发症和死亡率的最高风险.
- 集群3表明心血管并发症和死亡率的风险增加,与低肌肉质量和炎症有关.
- 在集群4中,PNPLA3风险基因基因更频繁.
结论:
- 一个新的算法成功地将MASLD分为四种不同的亚型,对严重结果的差异性风险.
- 这种亚型分类可以在心血管-肝脏-脏-代谢框架内准确地分层风险和综合管理.
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