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Related Concept Videos

Probiotics01:22

Probiotics

Probiotics are live, non-pathogenic microorganisms that confer health benefits by modulating the gut microbiota. The human gastrointestinal tract harbors a complex microbial ecosystem, and the balance of this microbiota is crucial for digestive and systemic health. Among the most extensively studied and utilized probiotics are species formerly classified within the genera Lactobacillus and Bifidobacterium. These organisms not only naturally colonize the human gut but are also consumed through...
Development of Human Microbiota01:30

Development of Human Microbiota

The human microbiota begins developing at birth and undergoes continual change as we age. Infancy marks a critical period of microbial sensitivity, offering a “window of opportunity” during which beneficial microbes help mature the immune system. By age three, children typically develop a more stable and diverse microbial community. Newborns acquire microbes from their immediate environment; vaginal delivery favors maternal vaginal microbes, while cesarean births favor microbes from the skin...
Development of the Oral Microbiota01:28

Development of the Oral Microbiota

The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
Introduction to the Human Microbiota01:22

Introduction to the Human Microbiota

Microorganisms colonize various regions of the human body, including the mouth, nasal passages, throat, stomach, intestines, urogenital tract, and skin. The total number of microbial cells is estimated to range from 10¹³ to 10¹⁴—comparable to, or exceeding, the number of human somatic cells. This host–microbiome relationship has led to the conceptualization of humans as supraorganisms, wherein microbial communities perform vital roles in development, immunity, and disease...
Microbiota of the Respiratory Tract01:29

Microbiota of the Respiratory Tract

The human respiratory tract, comprising the upper and lower segments, serves as a critical interface with the external environment. The upper respiratory tract (URT)—including the nostrils, sinuses, pharynx, and oropharynx—is heavily colonized by microbes, while the lower respiratory tract (LRT), composed of the larynx, trachea, bronchi, and lungs, was long thought to be sterile. However, recent molecular studies have revealed that the lungs are not devoid of microbes but act more like...

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Related Experiment Video

Updated: May 19, 2026

Probiotic Studies in Neonatal Mice Using Gavage
10:36

Probiotic Studies in Neonatal Mice Using Gavage

Published on: January 27, 2019

Probiotics in neonatology.

Leah Hickey1, Susan E Jacobs, Suzanne M Garland

  • 1Women's Centre for Infectious Diseases, The Royal Women's Hospital, Melbourne, Victoria, Australia. leah.hickey@thewomens.org.au

Journal of Paediatrics and Child Health
|August 7, 2012
PubMed
Summary

Probiotic supplements offer health benefits to infants by strengthening gut barriers and immune responses. This review examines their use in neonatology, particularly for preterm infants.

Area of Science:

  • Microbiology
  • Neonatal Medicine
  • Immunology

Background:

  • Probiotics are live microorganisms providing health benefits to the host.
  • Potential mechanisms involve enhancing mucosal barrier function, modulating immune responses, and inhibiting pathogen growth.
  • Existing reviews highlight probiotic effects on neonatal clinical outcomes.

Purpose of the Study:

  • To review the evidence for probiotic supplementation in neonatology.
  • To focus specifically on the application and efficacy in preterm infants.

Main Methods:

  • Literature review of published meta-analyses and systematic reviews.
  • Focus on studies investigating clinical outcomes in neonates, especially preterm infants.

Main Results:

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Breast Milk Enhances Growth of Enteroids: An Ex Vivo Model of Cell Proliferation
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Breast Milk Enhances Growth of Enteroids: An Ex Vivo Model of Cell Proliferation

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Effect of Hyaluronic Acid 35 kDa on an In Vitro Model of Preterm Small Intestinal Injury and Healing Using Enteroid-Derived Monolayers
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Effect of Hyaluronic Acid 35 kDa on an In Vitro Model of Preterm Small Intestinal Injury and Healing Using Enteroid-Derived Monolayers

Published on: July 28, 2022

Related Experiment Videos

Last Updated: May 19, 2026

Probiotic Studies in Neonatal Mice Using Gavage
10:36

Probiotic Studies in Neonatal Mice Using Gavage

Published on: January 27, 2019

Breast Milk Enhances Growth of Enteroids: An Ex Vivo Model of Cell Proliferation
09:02

Breast Milk Enhances Growth of Enteroids: An Ex Vivo Model of Cell Proliferation

Published on: February 15, 2018

Effect of Hyaluronic Acid 35 kDa on an In Vitro Model of Preterm Small Intestinal Injury and Healing Using Enteroid-Derived Monolayers
09:36

Effect of Hyaluronic Acid 35 kDa on an In Vitro Model of Preterm Small Intestinal Injury and Healing Using Enteroid-Derived Monolayers

Published on: July 28, 2022

  • Probiotics may improve gut barrier integrity and reduce pathogen colonization.
  • Evidence suggests potential benefits in reducing necrotizing enterocolitis and sepsis in preterm neonates.
  • Further research is needed to establish optimal strains, dosages, and long-term effects.

Conclusions:

  • Probiotic supplementation shows promise in neonatal care, particularly for preterm infants.
  • Mechanisms of action include immune modulation and competitive exclusion of pathogens.
  • Clinical application requires careful consideration of evidence-based guidelines and ongoing research.