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Vaccinations

Vaccinations

Antigens Involved in Adaptive Immunity

Antigens Involved in Adaptive Immunity

An antigen is any substance the immune system identifies as foreign and potentially harmful to the body, prompting an immune response. Antigens have two functional properties: immunogenicity and reactivity. Immunogenicity is the ability of an antigen to stimulate a specific immune response. At the same time, reactivity describes the antigen's ability to react with the cells and antibodies produced in response to it.
Complete Antigens
Complete antigens possess both immunogenicity and reactivity.

Cancer Vaccines

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 Production

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...

Vaccines

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...

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Updated: Jul 25, 2026

In Vesiculo Synthesis of Peptide Membrane Precursors for Autonomous Vesicle Growth

In Vesiculo Synthesis of Peptide Membrane Precursors for Autonomous Vesicle Growth

Published on: June 28, 2019

Synthetic peptides as vaccines.

R Arnon¹, R J Horwitz

¹Department of Chemical Immunology, Weizmann Institute of Science, Rehovot, Israel.

Current Opinion in Immunology

|August 1, 1992

Summary

Synthetic peptides offer a promising alternative for developing vaccines against challenging viral and parasitic diseases. This approach is crucial for conditions like acquired immune deficiency syndrome where traditional vaccines are unavailable.

Area of Science:

Immunology
Vaccinology
Synthetic Biology

Background:

Traditional vaccine development faces challenges for certain infectious diseases.
Viral and parasitic infections, including acquired immune deficiency syndrome (AIDS), lack effective vaccines.
Synthetic peptides are being explored as a novel vaccination strategy.

Purpose of the Study:

To investigate the potential of synthetic peptides as an alternative vaccination approach.
To address the unmet need for vaccines against specific viral and parasitic diseases.

Main Methods:

Utilizing synthetic peptide technology for vaccine design.
Evaluating the immunogenicity and efficacy of peptide-based vaccines (details not provided in abstract).

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Homogeneous Glycoconjugate Produced by Combined Unnatural Amino Acid Incorporation and Click-Chemistry for Vaccine Purposes

Homogeneous Glycoconjugate Produced by Combined Unnatural Amino Acid Incorporation and Click-Chemistry for Vaccine Purposes

Published on: December 19, 2020

Preparation, Characteristics, Toxicity, and Efficacy Evaluation of the Nasal Self-Assembled Nanoemulsion Tumor Vaccine In Vitro and In Vivo

Preparation, Characteristics, Toxicity, and Efficacy Evaluation of the Nasal Self-Assembled Nanoemulsion Tumor Vaccine In Vitro and In Vivo

Published on: September 28, 2022

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Last Updated: Jul 25, 2026

In Vesiculo Synthesis of Peptide Membrane Precursors for Autonomous Vesicle Growth

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Homogeneous Glycoconjugate Produced by Combined Unnatural Amino Acid Incorporation and Click-Chemistry for Vaccine Purposes

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Preparation, Characteristics, Toxicity, and Efficacy Evaluation of the Nasal Self-Assembled Nanoemulsion Tumor Vaccine In Vitro and In Vivo

Preparation, Characteristics, Toxicity, and Efficacy Evaluation of the Nasal Self-Assembled Nanoemulsion Tumor Vaccine In Vitro and In Vivo

Published on: September 28, 2022

Main Results:

Synthetic peptides are a viable alternative for vaccine development (details not provided in abstract).
This approach shows promise for diseases currently lacking vaccines.

Conclusions:

Synthetic peptide-based vaccination represents a significant advancement in vaccinology.
Further research is warranted to develop peptide vaccines for diseases like AIDS.