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<p>This study investigates the differences in gut microbiota composition between DMD patients with (DMD +) and without (DMD −) intellectual disability (ID) and its potential role in cognitive outcomes. In this study, we assessed the gut microbiota in 50 genetically confirmed DMD patients (median age 13.1&#xa0;years) using 16S rRNA gene sequencing. Cognitive assessment was performed using the Wechsler Intelligence Scales, with ID defined as an IQ &lt; 70. Stool samples were analyzed, and statistical methods were used to assess alpha- and beta-diversity. Thirty-four percent of patients had ID. No significant differences were found in alpha-diversity or in the <i>Firmicutes/Bacteroidetes</i> ratio. However, beta-diversity analysis revealed significant differences between DMD + and DMD − groups, including, in DMD + , an increased abundance of <i>Propionibacterium</i> and <i>Bifidobacterium</i>, and a reduction in <i>Bulleidia</i>. These bacteria are involved in metabolic pathways that can influence neurological health through the gut-brain axis, particularly via the production of short-chain fatty acids. While these preliminary findings suggest a possible association between gut microbiota profile and cognitive impairment in DMD, further research is needed to explore a causal relationship and consider microbiota-targeted therapeutic strategies.</p>

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Exploratory Analysis of Gut Microbiota Profile in Duchenne Muscular Dystrophy (DMD) Patients with Intellectual Disability

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月5日

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  • Chiara Panicucci,
  • Sara Casalini,
  • Giovanni Fiorito,
  • Alessandra Biolcati Rinaldi,
  • Valentina Biagioli,
  • Davide Cangelosi,
  • Noemi Brolatti,
  • Elisa Principi,
  • Serena Baratto,
  • Marina Pedemonte,
  • Simone Morando,
  • Antonella Riva,
  • Cristina Venturino,
  • Pasquale Striano,
  • Paolo Uva,
  • Claudio Bruno

摘要

This study investigates the differences in gut microbiota composition between DMD patients with (DMD +) and without (DMD −) intellectual disability (ID) and its potential role in cognitive outcomes. In this study, we assessed the gut microbiota in 50 genetically confirmed DMD patients (median age 13.1 years) using 16S rRNA gene sequencing. Cognitive assessment was performed using the Wechsler Intelligence Scales, with ID defined as an IQ < 70. Stool samples were analyzed, and statistical methods were used to assess alpha- and beta-diversity. Thirty-four percent of patients had ID. No significant differences were found in alpha-diversity or in the Firmicutes/Bacteroidetes ratio. However, beta-diversity analysis revealed significant differences between DMD + and DMD − groups, including, in DMD + , an increased abundance of Propionibacterium and Bifidobacterium, and a reduction in Bulleidia. These bacteria are involved in metabolic pathways that can influence neurological health through the gut-brain axis, particularly via the production of short-chain fatty acids. While these preliminary findings suggest a possible association between gut microbiota profile and cognitive impairment in DMD, further research is needed to explore a causal relationship and consider microbiota-targeted therapeutic strategies.