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<p>Gut microbiota play a critical pathogenic role in acute pancreatitis (AP). This study aimed to investigate the composition and function of gut microbiota during the recovery phase of AP. Rectal swab samples obtained from 12 AP patients of varying severity during both the acute and recovery phases were sequenced using shotgun metagenomic sequencing. We analysed α-diversity, enterotypes, and the dominant microbiome composition, and performed differential analysis of gut microbiota composition and functional enrichment. During the recovery phase of AP, microbial diversity remained decreased, and minimal difference were observed in the structural diversity of the microbiome. There was an increasing tendency of beneficial bacteria (Bacteroidales) and a decreasing tendency of harmful bacteria (Firmicutes) in the recovery phase of mild AP (MAP). However, in the recovery phase of moderately severe AP (MSAP) and severe AP, Enterococcus abundance increased compared with that in the acute phase. Some signalling pathways showed opposite trends in the recovery phase of MAP and MSAP compared to the acute phase. These results suggested that gut microbiome composition and function are associated with AP recovery, which may inform strategies for the treatment and prognosis of AP.</p>

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Metagenomics reveals functional profiles of gut microbiota during the recovery phase of acute pancreatitis

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月1日

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  • Xiao Song,
  • Jia-Ning Li,
  • Duan Wang,
  • Zi-Ying Han,
  • Xia-Xiao Yan,
  • Zi-Han Yang,
  • Jun Xu,
  • Qiang Wang,
  • Dong Wu

摘要

Gut microbiota play a critical pathogenic role in acute pancreatitis (AP). This study aimed to investigate the composition and function of gut microbiota during the recovery phase of AP. Rectal swab samples obtained from 12 AP patients of varying severity during both the acute and recovery phases were sequenced using shotgun metagenomic sequencing. We analysed α-diversity, enterotypes, and the dominant microbiome composition, and performed differential analysis of gut microbiota composition and functional enrichment. During the recovery phase of AP, microbial diversity remained decreased, and minimal difference were observed in the structural diversity of the microbiome. There was an increasing tendency of beneficial bacteria (Bacteroidales) and a decreasing tendency of harmful bacteria (Firmicutes) in the recovery phase of mild AP (MAP). However, in the recovery phase of moderately severe AP (MSAP) and severe AP, Enterococcus abundance increased compared with that in the acute phase. Some signalling pathways showed opposite trends in the recovery phase of MAP and MSAP compared to the acute phase. These results suggested that gut microbiome composition and function are associated with AP recovery, which may inform strategies for the treatment and prognosis of AP.