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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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Cancer Vaccines01:30

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Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
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Simple proteins and protein complexes contain only amino acids. In contrast, many other proteins, called conjugated proteins, covalently bond with non-protein moieties.
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Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
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COVID-19 Vaccines: Current and Future Perspectives.

Luca Soraci1, Fabrizia Lattanzio2, Giulia Soraci3

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Current COVID-19 vaccines are effective but face challenges with variants and logistics. Innovative research is needed for long-lasting immunity and broader accessibility against SARS-CoV-2.

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Area of Science:

  • Immunology
  • Vaccinology
  • Virology

Background:

  • Existing severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) vaccines, while effective, have not fully controlled the coronavirus disease 2019 (COVID-19) pandemic.
  • The emergence of new variants and the spike (S) protein's mutability impact vaccine effectiveness and duration of immunity.
  • Adverse events and logistical challenges, such as cold chain requirements, also limit current vaccine strategies.

Purpose of the Study:

  • To review the limitations of current COVID-19 vaccines.
  • To explore innovative research and development strategies for improved vaccine design.
  • To address the need for long-lasting immunological responses, reduced adverse events, and scalable production.

Main Methods:

  • Review of existing scientific literature on COVID-19 vaccine technologies.
  • Analysis of various vaccine platforms, including inactivated viruses, recombinant proteins, DNA-, RNA-based, viral-vector, and virus-like particles.
  • Evaluation of vaccine efficacy, durability, safety, and production challenges.

Main Results:

  • mRNA, protein-based, and vectored vaccines demonstrate high protection levels against COVID-19.
  • Spike protein mutations reduce long-term protection and vaccine effectiveness against emerging variants.
  • Concerns include vaccine-induced adverse events and complex storage requirements.

Conclusions:

  • Current COVID-19 vaccines face significant challenges related to viral evolution and implementation.
  • Further research into alternative vaccine platforms and strategies is crucial.
  • Developing vaccines with broader, more durable immunity and fewer logistical hurdles is essential for pandemic control.