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Related Concept Videos

Gene Therapy00:59

Gene Therapy

Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be inserted. The...
Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

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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Related Experiment Video

Updated: Jul 9, 2026

Production of Adeno-Associated Virus Vectors in Cell Stacks for Preclinical Studies in Large Animal Models
07:21

Production of Adeno-Associated Virus Vectors in Cell Stacks for Preclinical Studies in Large Animal Models

Published on: June 30, 2021

Immunogenic issues concerning recombinant adeno-associated virus vectors for gene therapy.

J Y Sun, S Chatterjee, K K Wong

    Current Gene Therapy
    |December 13, 2002
    PubMed
    Summary

    Recombinant adeno-associated virus (rAAV) vectors offer safe gene transfer due to low immunogenicity. Understanding immune responses to rAAV and transgenes can optimize their use in gene therapy and vaccine development.

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    Area of Science:

    • Biotechnology
    • Immunology
    • Gene Therapy

    Background:

    • Recombinant adeno-associated virus (rAAV) vectors are promising for gene transfer due to their safety profile and broad host range.
    • Standard rAAV vectors lack viral genes, leading to reduced intrinsic immunogenicity compared to other viral vectors.
    • While generally eliciting weaker immune responses for gene replacement, rAAV vectors can stimulate host immunity against encoded transgenes under specific conditions.

    Purpose of the Study:

    • To review the current understanding of host immune responses to rAAV vectors and encoded transgenes.
    • To explore how both detrimental and advantageous immune responses can be leveraged.
    • To optimize the application of rAAV vectors in gene therapy and vaccine development.

    Main Methods:

    • Literature review of studies on rAAV vector immunogenicity.
    • Analysis of host immune responses in the context of gene replacement therapy.
    • Examination of immune responses relevant to rAAV-based vaccine strategies.

    Main Results:

    • rAAV vectors exhibit low intrinsic immunogenicity, making them suitable for gene therapy.
    • Host immune responses can be generated against transgenes delivered by rAAV vectors.
    • These immune responses, both beneficial and undesirable, can be modulated for therapeutic and prophylactic applications.

    Conclusions:

    • Understanding the immunobiology of rAAV vectors is crucial for maximizing their therapeutic potential.
    • Exploiting host immune responses can enhance the efficacy of gene replacement therapies.
    • rAAV vectors hold promise for novel vaccine development by eliciting targeted immune responses.