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<p>Gut ecosystem dysfunction is implicated in Parkinson’s disease (PD), but integrative faecal metabolome-metagenome links are undefined. We explored these interactions in Chinese PD patients to develop diagnostic panels. Targeted faecal metabolomics (LC‒MS/MS) was performed on 132 PD and 113 healthy controls (HCs) and shotgun metagenomics was integrated for 39 PD/HC pairs. We identified 33 significantly altered faecal metabolites in PD (FDR-P &lt; 0.05). A novel 12-metabolite panel could distinguish PD from HCs. Multi-omic integration revealed gut ecosystem dysfunction manifests via co-disruptions in microbial genes (e.g., amino acid metabolism genes) and metabolites. Critically, a combinatorial diagnostic panel integrating faecal metabolites and microbial gene markers achieved exceptional PD detection (AUC = 0.961, 95% CI = 0.923-0.998). This study deciphers metabolome-metagenome links driving gut dysfunction in PD, identifying amino acid metabolism as a core perturbed pathway. The novel diagnostic panels provide mechanistic insights and clinical tools for PD precision diagnosis.</p>

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Gut ecosystem dysfunction in parkinson’s disease: deciphering faecal metabolome-metagenome links for novel diagnostic panels

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月2日

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  • Yiwei Qian,
  • Shaoqing Xu,
  • Xiaoqin He,
  • Yiqiu Lai,
  • Yi Zhang,
  • Chengjun Mo,
  • Penghui Ai,
  • Xiaodong Yang,
  • Qin Xiao

摘要

Gut ecosystem dysfunction is implicated in Parkinson’s disease (PD), but integrative faecal metabolome-metagenome links are undefined. We explored these interactions in Chinese PD patients to develop diagnostic panels. Targeted faecal metabolomics (LC‒MS/MS) was performed on 132 PD and 113 healthy controls (HCs) and shotgun metagenomics was integrated for 39 PD/HC pairs. We identified 33 significantly altered faecal metabolites in PD (FDR-P < 0.05). A novel 12-metabolite panel could distinguish PD from HCs. Multi-omic integration revealed gut ecosystem dysfunction manifests via co-disruptions in microbial genes (e.g., amino acid metabolism genes) and metabolites. Critically, a combinatorial diagnostic panel integrating faecal metabolites and microbial gene markers achieved exceptional PD detection (AUC = 0.961, 95% CI = 0.923-0.998). This study deciphers metabolome-metagenome links driving gut dysfunction in PD, identifying amino acid metabolism as a core perturbed pathway. The novel diagnostic panels provide mechanistic insights and clinical tools for PD precision diagnosis.