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Related Concept Videos

Cancer Vaccines01:30

Cancer Vaccines

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.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
Vaccine Production01:23

Vaccine Production

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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Vaccines

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 type of...
Inhibitors of Virion Maturation and Assembly01:19

Inhibitors of Virion Maturation and Assembly

As part of their replication cycle, certain viruses synthesize long precursor proteins called polyproteins within infected host cells. In human immunodeficiency virus (HIV), two major polyproteins are produced: Gag and Gag-Pol. The Gag polyprotein supplies the structural components of the virus, while Gag-Pol includes essential viral enzymes such as reverse transcriptase, integrase, and protease. After synthesis, these polyproteins move to the host cell membrane, where they assemble into an...

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Related Experiment Video

Updated: Jun 24, 2026

New Tools to Expand Regulatory T Cells from HIV-1-infected Individuals
09:27

New Tools to Expand Regulatory T Cells from HIV-1-infected Individuals

Published on: May 30, 2013

HIV vaccines under study.

Parisa Ravanfar1, Natalia Mendoza, Anita Satyaprakash

  • 1Center for Clinical Studies, Houston, Texas 77030, USA. pravanfar@ccstexas.com

Dermatologic Therapy
|April 2, 2009
PubMed
Summary
This summary is machine-generated.

Researchers are developing new human immunodeficiency virus (HIV) vaccines to combat the global epidemic. This review examines current HIV vaccine candidates, building on past research despite initial setbacks.

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Area of Science:

  • Immunology
  • Virology
  • Public Health

Background:

  • Human immunodeficiency virus (HIV) infection represents a significant global health challenge, impacting over 42 million individuals worldwide.
  • The development of an effective vaccine against HIV, the causative agent of acquired immune deficiency syndrome (AIDS), remains a critical research priority.
  • Early HIV vaccine candidates yielded disappointing results, necessitating continued innovation and exploration of novel approaches.

Purpose of the Study:

  • To provide a comprehensive review of the current landscape of human immunodeficiency virus (HIV) vaccine candidates.
  • To summarize the progress and challenges in the ongoing development of potential HIV vaccines.
  • To highlight the diverse strategies being employed in the search for an effective HIV vaccine.

Main Methods:

  • Literature review of preclinical and clinical studies on HIV vaccine candidates.
  • Analysis of data from ongoing and completed HIV vaccine trials.
  • Synthesis of information on the immunological targets and mechanisms of action for various vaccine platforms.

Main Results:

  • Multiple HIV vaccine candidates are in various stages of development, employing diverse technological platforms.
  • Ongoing research focuses on improving immunogenicity, durability, and safety profiles of vaccine candidates.
  • Challenges remain in eliciting broadly neutralizing antibodies and achieving protective efficacy against diverse HIV strains.

Conclusions:

  • Despite past challenges, significant scientific effort is dedicated to developing effective HIV vaccines.
  • The review of current candidates indicates a dynamic field with promising avenues for future research.
  • Continued investment and collaborative research are essential to accelerate the development of a successful HIV vaccine.