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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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Intraluminal vesicles (ILVs) are small vesicles 50-80 nm in diameter formed during the maturation of early endosomes. A specialized endosome containing numerous ILVs is called a multivesicular body (MVB). ILVs contain internalized molecules such as antigens, nucleic acids, proteins, and metabolites. Some of these molecules are released from the MVBs inside exosomes and are transported to other cells. Other MVBs contain molecules that are retained in the ILVs and are later degraded within the...
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Exosomes are stable, lipid bilayer-enclosed vesicles capable of crossing biological barriers. They can carry a wide range of molecules required for intercellular communication. Once exosomes are released from the cell where they originated, they enter a recipient cell through various pathways such as fusion, receptor-mediated endocytosis, macropinocytosis, and phagocytosis.
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Membrane Microvesicles as Potential Vaccine Candidates.

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Microvesicles show promise as novel vaccine delivery systems for infectious diseases. These tiny biological vesicles can efficiently transport antigens, enhancing immune responses and potentially improving vaccine efficacy.

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Area of Science:

  • Immunology
  • Vaccinology
  • Biotechnology

Background:

  • Infectious diseases, including pandemics like SARS-CoV-2, pose significant public health and socio-economic challenges.
  • Vaccination is a cornerstone of infectious disease prevention, relying on the induction of specific immune responses for efficacy.
  • Vaccine immunogenicity is influenced by antigen delivery methods and targeting of immune organs.

Purpose of the Study:

  • To review microvesicle biogenesis and their role in infectious diseases.
  • To explore the potential of microvesicles as a novel vaccine delivery system.

Main Methods:

  • Review of existing literature on microvesicle biogenesis and function.
  • Analysis of microvesicles as carriers for immunogenic molecules (proteins, nucleic acids, polysaccharides).
  • Discussion of microvesicle application in vaccine development for infectious diseases.

Main Results:

  • Microvesicles are naturally occurring vesicles involved in intercellular communication.
  • They can be engineered to encapsulate and deliver various immunogenic payloads.
  • Targeted delivery of antigens via microvesicles can enhance immune responses.

Conclusions:

  • Microvesicles represent a promising platform for developing advanced vaccine delivery systems.
  • Their ability to deliver antigens directly to immune cells offers a strategy to improve vaccine efficacy against infectious diseases.
  • Further research into microvesicle-based vaccines could lead to more effective disease prevention.