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Antibodies, also known as immunoglobulins, are produced by B cells in response to foreign substances, such as bacteria and viruses. These proteins are critical for recognizing and neutralizing these substances, protecting the body from potential harm.
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The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
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Microorganisms in Medicine and Therapeutics01:29

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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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Progress in the Development of Structure-Based Vaccines.

Sunil Thomas1, Ann Abraham2

  • 1Lankenau Institute for Medical Research, Wynnewood, PA, USA. suntom2@gmail.com.

Methods in Molecular Biology (Clifton, N.J.)
|December 17, 2021
PubMed
Summary
This summary is machine-generated.

Structural vaccinology leverages atomic-level protein structures to design more effective vaccines. This approach focuses on key antigenic components, overcoming limitations of conventional vaccines against diverse pathogens.

Keywords:
AntigenEpitopeStructural biologyStructure-based vaccines

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Area of Science:

  • Immunology and Structural Biology
  • Vaccine Development

Background:

  • Conventional vaccines, while successful, face challenges due to microbial genetic diversity and antigenic protein variability.
  • Developing broadly effective vaccines against many pathogens remains difficult with traditional methods.
  • Understanding antigenic protein function at the atomic level is critical for improved vaccine design.

Purpose of the Study:

  • To review the progress in structure-based vaccine development since the initial publication in 2013.
  • To highlight the potential of atomic-resolution protein structures in rational vaccine engineering.
  • To introduce and elaborate on the principles of structural vaccinology.

Main Methods:

  • Utilizing atomic-resolution structure determination techniques, including cryo-electron microscopy and nuclear magnetic resonance spectroscopy.
  • Employing bioinformatics to analyze three-dimensional protein structures and their atomic organization.
  • Reviewing and synthesizing existing literature on structure-based vaccine advancements.

Main Results:

  • Atomic detail of antigenic proteins provides insights for rational protein engineering to enhance immunogenicity.
  • Structural vaccinology demonstrates that protective epitopes, not necessarily whole proteins, can elicit immunity.
  • Significant progress has been made in the development of structure-based vaccines.

Conclusions:

  • Structure-based vaccine design offers a rational approach to overcome limitations of conventional vaccines.
  • The field of structural vaccinology is advancing, promising more effective immunogens and protection against infectious diseases.
  • Atomic-level structural information is key to engineering next-generation vaccines.