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Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
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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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Immunomodulation, Bioavailability and Safety of Bacteriocins.

Svetlana V Guryanova1,2

  • 1Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia.

Life (Basel, Switzerland)
|July 29, 2023
PubMed
Summary

Bacteriocins, antimicrobial peptides from bacteria, show potential in medicine due to their ability to modulate the immune system. Research explores their safety and efficacy for treating inflammatory diseases.

Keywords:
BacSp222acidocin Abacteriocinsimmunomodulatory activityinflammation regulationinnate immunitylactic acid bacteriamicroorganismsnisinsublancinturicin H

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Area of Science:

  • Microbiology
  • Immunology
  • Pharmacology

Background:

  • Antibiotic resistance and emerging pathogens necessitate novel therapeutic strategies.
  • Bacteriocins, bacterial antimicrobial peptides, offer a promising alternative for infectious disease treatment.
  • Current applications are primarily in the food industry, but medical potential is growing.

Purpose of the Study:

  • To review scientific literature on the immunomodulatory activity, bioavailability, and safety of bacteriocins.
  • To assess the potential of bacteriocins for medical applications, particularly in managing inflammation.
  • To inform future preclinical and clinical studies on bacteriocin-based therapies.

Main Methods:

  • Literature review of studies on bacteriocin immunomodulatory effects in animal models and human cells.
  • Analysis of research on bacteriocin bioavailability and safety profiles.
  • Synthesis of data regarding bacteriocin's impact on innate and acquired immunity.

Main Results:

  • Bacteriocins can induce both pro-inflammatory and anti-inflammatory responses, influencing innate immunity.
  • They affect acquired immunity by increasing T-lymphocytes and decreasing B-lymphocytes.
  • Bacteriocins demonstrate low toxicity and broad/narrow specificity, with established food industry use.

Conclusions:

  • Bacteriocins possess significant immunomodulatory properties relevant for treating various pathologies, especially inflammatory conditions.
  • Their safety profile and existing applications support further investigation for medical use.
  • The reviewed data provides a foundation for organizing preclinical and clinical trials.