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Related Concept Videos

Retrovirus Life Cycles01:10

Retrovirus Life Cycles

Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the retrovirus to...
Retroviruses02:33

Retroviruses

Retroviruses and retrotransposons both insert copies of their genetic elements into the genome of the host cell. Thus, the viral genes are passed on when the host genome is replicated or translated. A typical retroviral DNA sequence contains 3-4 genes that encode the different proteins required for its structural assembly and function as a molecular parasite. This DNA is transcribed into a single mRNA, which is very similar in structure to conventional mRNAs, i.e., it is capped at the 5’...
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...

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Related Experiment Video

Updated: Jun 4, 2026

Production of Lentiviral Vectors for Transducing Cells from the Central Nervous System
08:46

Production of Lentiviral Vectors for Transducing Cells from the Central Nervous System

Published on: May 24, 2012

Retroviral vectors for gene transfer.

Kenneth Cornetta, Karen E Pollok, A Dusty Miller

    CSH Protocols
    |March 2, 2011
    PubMed
    Summary

    Retroviral vectors, including simple and complex types like lentiviral vectors, are crucial for gene therapy. This review covers their pros, cons, design considerations, and packaging cell line selection.

    Area of Science:

    • Gene Therapy
    • Retroviral Vectors
    • Molecular Biology

    Background:

    • γ-retroviral vectors, also known as oncoretroviral or simple retroviral vectors, were the first developed.
    • More complex lentiviral and foamy viral vectors have since been created, featuring additional accessory genes.

    Purpose of the Study:

    • To review the advantages and disadvantages of retroviral vectors for gene therapy.
    • To discuss key considerations in designing retroviral vectors.
    • To outline the selection process for retroviral packaging cell lines.

    Main Methods:

    • Literature review of retroviral vector development and applications.
    • Analysis of simple (γ-retroviral) and complex (lentiviral, foamy viral) retroviral vector systems.
    • Discussion of design principles and packaging cell line selection criteria.

    More Related Videos

    Packaging HIV- or FIV-based Lentivector Expression Constructs & Transduction of VSV-G Pseudotyped Viral Particles
    11:08

    Packaging HIV- or FIV-based Lentivector Expression Constructs & Transduction of VSV-G Pseudotyped Viral Particles

    Published on: April 8, 2012

    Related Experiment Videos

    Last Updated: Jun 4, 2026

    Production of Lentiviral Vectors for Transducing Cells from the Central Nervous System
    08:46

    Production of Lentiviral Vectors for Transducing Cells from the Central Nervous System

    Published on: May 24, 2012

    Packaging HIV- or FIV-based Lentivector Expression Constructs & Transduction of VSV-G Pseudotyped Viral Particles
    11:08

    Packaging HIV- or FIV-based Lentivector Expression Constructs & Transduction of VSV-G Pseudotyped Viral Particles

    Published on: April 8, 2012

    Main Results:

    • Retroviral vectors offer diverse applications in gene therapy.
    • Both simple and complex retroviral vectors have distinct advantages and disadvantages.
    • Careful design and appropriate packaging cell line selection are critical for successful gene therapy using retroviral vectors.

    Conclusions:

    • Retroviral vectors are a foundational technology in gene therapy.
    • Understanding the nuances of different retroviral vector types is essential for effective therapeutic design.
    • Optimizing retroviral vector design and packaging cell lines maximizes their potential in gene therapy applications.