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Related Concept Videos

Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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Related Experiment Video

Updated: Oct 16, 2025

An In Vitro Batch-culture Model to Estimate the Effects of Interventional Regimens on Human Fecal Microbiota
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What is unknown in using microbiota as a therapeutic?

Joseph J Y Sung1, Sunny H Wong1

  • 1Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore.

Journal of Gastroenterology and Hepatology
|October 20, 2021
PubMed
Summary

Fecal microbiota transplantation (FMT) shows promise for gut health but has many unknowns. Further research is crucial to understand its full potential and ensure safe, effective use in patients.

Keywords:
fecal microbiota transplantationmicrobiome therapeuticsmicrobiota

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Area of Science:

  • Microbiology
  • Gastroenterology
  • Immunology

Background:

  • Fecal microbiota transplantation (FMT) is increasingly used for gastrointestinal and extraintestinal conditions.
  • Significant knowledge gaps persist regarding gut microbiota composition and function.
  • The precise mechanisms and long-term effects of FMT remain incompletely understood.

Purpose of the Study:

  • To identify and discuss the current unknowns in microbiota biology relevant to FMT.
  • To explore how these uncertainties impact the therapeutic application of FMT.
  • To evaluate the potential and limitations of FMT and related microbiota-based therapies.

Main Methods:

  • Literature review and synthesis of current knowledge on gut microbiota and FMT.
  • Analysis of existing data to highlight areas of uncertainty.
  • Discussion of implications for clinical practice and future research.

Main Results:

  • Key unknowns include undetected microbes, uncertain colonization, unclear mechanisms, and undefined indications for FMT.
  • Long-term efficacy and potential side effects of FMT require further investigation.
  • Related microbiota-based therapies also present similar challenges and uncertainties.

Conclusions:

  • FMT, especially as an experimental therapy, necessitates caution due to potential complications.
  • Mandatory, standardized documentation of post-treatment events is essential for FMT research.
  • Robust scientific experiments and well-designed clinical studies are critical for advancing FMT and microbiota-based therapies.