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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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Vaccines01:21

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Vaccines are among the most effective tools in preventive medicine, designed to prepare the immune system to recognize and combat infectious agents. By introducing antigens—substances that the immune system identifies as foreign—vaccines stimulate an adaptive immune response that leads to immunological memory. This immunological memory enables the body to mount a faster and more effective response upon future exposures to the actual pathogen.Vaccines can be categorized based on the...
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Vaccine production involves a sequence of upstream and downstream processes to generate a safe and effective immunological product. It begins with cultivating microorganisms, such as viruses or bacteria, to obtain antigenic material. For viral vaccines, mammalian host cells are grown in bioreactors and subsequently infected with the target virus. The virus replicates within the host cells, which are lysed to release viral particles. This lysate is then clarified through filtration or...
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Introduction to Virus01:28

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Viruses are unique biological entities that blur the boundary between living and non-living systems. Although they lack cellular structure and metabolic processes, they can exhibit characteristics of life when infecting a host. Their defining feature is a nucleic acid core, composed of either DNA or RNA, encapsulated within a protein coat called a capsid. This simple structure allows them to invade host cells and use their machinery for replication efficiently.Viral Structure and...
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Virus-based nanoparticles as platform technologies for modern vaccines.

Karin L Lee1, Richard M Twyman2, Steven Fiering3

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Virus-based nanoparticles are revolutionizing vaccine and immunotherapy development. These engineered viral nanoscaffolds offer a versatile platform for preventing and treating diseases, including cancer and addiction.

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Area of Science:

  • Nanomedicine and Nanobiotechnology
  • Immunology
  • Virology

Background:

  • Nanoscale engineering is transforming vaccine and immunotherapy development.
  • Viruses serve as adaptable nanoscaffolds due to their unique properties and immunogenicity.
  • Viral surface antigens can be engineered for targeted therapeutic applications.

Purpose of the Study:

  • To review the development of virus-based nanoparticle systems for vaccines.
  • To explore applications in infectious diseases, chronic diseases, cancer, and addiction.

Main Methods:

  • Focus on engineered viral nanoparticles as vaccine platforms.
  • Review of immunogenic properties and antigen display strategies.
  • Analysis of applications in disease prevention and treatment.

Main Results:

  • Virus-based nanoparticles show promise as versatile vaccine candidates.
  • Applications span infectious diseases, chronic conditions, cancer, and addiction.
  • Engineered viral structures offer targeted immune responses.

Conclusions:

  • Virus-based nanoparticles represent a significant advancement in vaccine and immunotherapy design.
  • Their adaptability and immunogenicity make them valuable tools for diverse medical applications.
  • Further development holds potential for novel treatments against various diseases.