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Interactions between intestinal pathogens, enteropathy and malnutrition in developing countries.

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  • 1aBlizard Institute, Queen Mary University of London, London, UK bZvitambo Institute for Maternal and Child Health Research, Harare, Zimbabwe cDepartment of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA dUniversity Teaching Hospital, Lusaka, Zambia.

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This summary is machine-generated.

Intestinal pathogens, enteropathy, and malnutrition create a dangerous cycle impacting child development in developing nations. Addressing these interconnected issues is crucial for improving child survival and long-term potential.

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Area of Science:

  • Pediatric infectious diseases
  • Gastroenterology
  • Global child health

Background:

  • Diarrhea is a leading cause of death in children under five, with malnutrition contributing to 45% of all child deaths.
  • Subclinical pathogen carriage and enteropathy are prevalent in developing countries, even without overt diarrhea.
  • Environmental factors significantly influence gut and microbiota development postnatally.

Purpose of the Study:

  • To review recent data on the interplay between intestinal pathogens, enteropathy, and malnutrition in developing countries.
  • To highlight how these factors contribute to child morbidity and mortality.
  • To explore potential intervention targets based on recent research.

Main Methods:

  • Review of recent studies and data.
  • Analysis of environmental influences on gut development.
  • Examination of environmental enteric dysfunction concepts.
  • Evaluation of recent intervention trials.

Main Results:

  • Intestinal pathogens initiate a cycle of gut damage, malabsorption, and inflammation.
  • This cycle leads to malnutrition and increased susceptibility to infections.
  • Environmental enteric dysfunction is a key concept linking environment to gut health.

Conclusions:

  • Interventions must target the combined effects of diarrhea, enteropathy, and malnutrition.
  • Understanding the interactions between these conditions is vital for child survival.
  • Recent human and animal studies offer promising intervention targets.