一个基于机器学习的诊断模型,用于克罗恩氏病和性结肠炎,利用便微生物组分析
Hyeonwoo Kim1, Ji Eun Na2, Sangsoo Kim1
1Department of Bioinformatics, Soongsil University, Seoul 06978, Republic of Korea.
对便微生物组数据的机器学习分析显示,对诊断炎症性肠病 (IBD) 有希望. 一个稀疏的部分最小平方差异分析 (sPLS-DA) 模型准确地区分了IBD和健康个体,以及克罗恩病.
科学领域:
- 微生物组研究的研究.
- 机器学习在医学中的应用.
- 胃肠病学 胃肠病学
背景情况:
- 便微生物组分析显示了诊断炎症性肠病 (IBD) 的潜力.
- 机器学习 (ML) 技术可以应用于微生物组数据,用于疾病预测.
- 区分克罗恩病 (CD),性结肠炎 (UC) 和健康对照 (HC) 对于有效的IBD管理至关重要.
研究的目的:
- 开发和验证一种机器学习模型,使用便微生物组数据来区分IBD亚型和健康对照.
- 为了评估稀疏部分最小平方差分分析 (sPLS-DA) 模型的诊断性能.
主要方法:
- 在CD (n=671),UC (n=114) 和HC (n=1462) 队列的便样本上进行了16S rRNA基因测序.
- 一个简化的生物信息管道 (HmmUFOTU) 用于数据处理,保留了1517个类型和1846个样本.
- 稀疏部分最小平方差分分析 (sPLS-DA) 用于在下方采样和数据分割后构建二进制预测模型.
主要成果:
- 该sPLS-DA模型在区分IBD和HC方面取得了很高的准确性 (平均准确性=0.950,AUC=0.992).
- 该模型还在区分CD和UC方面表现出高精度 (平均精度=0.945,AUC=0.988).
- 这些结果在从多中心队列中获得的单独测试集上得到了验证.
结论:
- 基于便微生物组分析的机器学习模型,特别是sPLS-DA,对IBD具有重大诊断潜力.
- 开发的模型可以有效地区分IBD和健康个体.
- 该模型还显示了在克罗恩病和性结肠炎之间区分的强大能力.
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