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Updated: Jul 8, 2026
08:46
A Neonatal Imaging Model of Gram-Negative Bacterial Sepsis
Published on: August 12, 2020
Neonatal microbial flora and disease outcome.
Milo F Vassallo1, W Allan Walker
1Mucosal Immunology and Developmental Gastroenterology Laboratories, Massachusetts General Hospital for Children, Department of Pediatrics, Harvard Medical School, Boston, MA, USA.
Nestle Nutrition Workshop Series. Paediatric Programme
|January 17, 2008
Summary
The gut microbiome plays a crucial role in digestion and immunity, influencing long-term health from conception through infancy. Perinatal colonization is key for establishing this vital microbe-host programming for lifelong mutualism.
Area of Science:
- Microbiology
- Immunology
- Developmental Biology
Background:
- The traditional view of gut microorganisms as solely pathogens or commensals is outdated.
- The gut microbiome is now recognized for its roles in digestion, pathogen protection, and immune regulation.
Purpose of the Study:
- To explore the convergence of the 'hygiene hypothesis' and 'fetal programming hypothesis' regarding early-life exposures.
- To highlight the long-term impact of pre-conception, gestational, and perinatal factors on offspring development.
- To emphasize the critical role of intestinal microbe-host interactions in health and disease predisposition.
Main Methods:
- Review of epidemiological, basic science, and clinical research across multiple disciplines.
- Integration of findings from microbiology, immunology, gastroenterology, endocrinology, rheumatology, infectious disease, perinatology, and nutrition.
- Focus on the significance of perinatal colonization in the gastrointestinal tract.
Main Results:
- Early-life exposures, including nutrients and microbes, significantly affect the development of healthy individuals.
- Intestinal microbe-host interactions are directly linked to appropriate development and disease susceptibility.
- Perinatal colonization emerges as a pivotal stage for microbe-host programming.
Conclusions:
- The gut microbiome's influence extends from conception through adulthood, impacting overall health.
- Appropriate balance in the intestinal microbe-host relationship is essential for a lifelong mutualistic interaction.
- Understanding these interactions is crucial for promoting healthy development and preventing disease.
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