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Background <p>The incidence of atopic dermatitis (AD) has increased globally in recent decades. A recent study identified enrichment of <i>Faecalibacterium</i> subspecies in young AD patients, implicating these gut bacteria in disease pathogenesis. This was unexpected, as <i>Faecalibacterium</i> is widely recognized as one of the most beneficial bacteria in the human gut.</p> Results <p>We tested the bacteria in female mice and observed their effect on the gut microbiome and overall health, which subsequently influenced the health of their offspring. These effects were markedly exacerbated when female mice were fed a low-fiber diet, leading to heightened systemic inflammation, skin damage, and hair loss in their offspring. Offspring of female mice receiving a low-fiber diet without pathobiont administration exhibited reduced symptom severity, which was further mitigated bythe administration of the beneficial strain A2-165.</p> Conclusions <p>These findings provide compelling evidence that maternal<i>Faecalibacterium</i> pathobionts play a critical role in the development of systemic conditions in offspring, offering valuable insights into the etiology of AD. Furthermore, the synergistic effect of gut microbiota dysbiosis and low fiber intake highlights the potential impact of modern dietary trends on the rising prevalence of AD and other chronic conditions.</p> <p><MediaObject ID="MOESM2"> <VideoObject FileRef="MediaObjects/40168_2025_2194_MOESM2_ESM.mp4" VideoID="72XxYzMNRBDBX66hhLLuNv"> <Caption Language="En" xml:lang="en"> <CaptionContent> <p>Video Abstract</p> </CaptionContent> </Caption> </VideoObject> </MediaObject></p>

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Maternal Faecalibacterium pathobionts and low-fiber diets synergize to impact offspring health: implications for atopic dermatitis

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月29日

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  • Dongju Lee,
  • Jongwook Park,
  • Song-Yi Park,
  • Junghyun Hwang,
  • Sewon Kim,
  • Sun-Ho Kee,
  • Heenam Stanley Kim

摘要

Background

The incidence of atopic dermatitis (AD) has increased globally in recent decades. A recent study identified enrichment of Faecalibacterium subspecies in young AD patients, implicating these gut bacteria in disease pathogenesis. This was unexpected, as Faecalibacterium is widely recognized as one of the most beneficial bacteria in the human gut.

Results

We tested the bacteria in female mice and observed their effect on the gut microbiome and overall health, which subsequently influenced the health of their offspring. These effects were markedly exacerbated when female mice were fed a low-fiber diet, leading to heightened systemic inflammation, skin damage, and hair loss in their offspring. Offspring of female mice receiving a low-fiber diet without pathobiont administration exhibited reduced symptom severity, which was further mitigated bythe administration of the beneficial strain A2-165.

Conclusions

These findings provide compelling evidence that maternalFaecalibacterium pathobionts play a critical role in the development of systemic conditions in offspring, offering valuable insights into the etiology of AD. Furthermore, the synergistic effect of gut microbiota dysbiosis and low fiber intake highlights the potential impact of modern dietary trends on the rising prevalence of AD and other chronic conditions.

Video Abstract