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Quantitative Polymerase Chain Reaction-based Analyses of Murine Intestinal Microbiota After Oral Antibiotic Treatment
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Quantitative Polymerase Chain Reaction-based Analyses of Murine Intestinal Microbiota After Oral Antibiotic Treatment

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Early-Life Antibiotic Exposure, Gut Microbiota Development, and Predisposition to Obesity

Meghan B Azad, Shirin Moossavi, Arthur Owora

    Nestle Nutrition Institute Workshop Series
    |March 28, 2017
    PubMed

    Insights

    Antibiotic use in early childhood may impact gut microbes, influencing weight gain and obesity risk. Judicious antibiotic prescribing is crucial for preventing long-term metabolic health issues.

    Area of Science:

    • Microbiology
    • Pediatrics
    • Public Health

    Background:

    • Antibiotic overuse in children can disrupt the developing gut microbiota.
    • Gut microbiota alterations are linked to metabolic processes and weight regulation.
    • Early life is a critical window for microbial development and metabolic programming.

    Purpose of the Study:

    • To review evidence linking early-life antibiotic exposure to obesity risk.
    • To explore the role of gut microbiota in mediating this association.
    • To inform prevention strategies for the childhood obesity epidemic.

    Main Methods:

    • Systematic review of 17 epidemiologic studies.
    • Analysis of human and rodent research on gut microbiota and metabolism.
    • Synthesis of evidence on antibiotic impact during critical developmental periods.

    Main Results:

    • Epidemiologic data suggest a correlation between early antibiotic exposure and increased weight gain.
    • Gut microbiota alterations are implicated as a key mechanism in humans and rodents.
    • Further research is needed to elucidate specific causal pathways.

    Conclusions:

    • Judicious antibiotic use in early life is recommended to protect the developing gut microbiota.
    • Minimizing unnecessary antibiotic exposure may mitigate long-term obesity risk.
    • A multipronged approach, including responsible antibiotic stewardship, is essential for obesity prevention.

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