Retroviral Vector Cloning
Retroviral Vector Cloning - Related Videos
03:02
Retroviral Mediated Gene Transduction: A Gene Transfer Technique to Deliver a Transgene in Cultured Cells Using Engineered Retroviral Vectors
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2025
In this video, we demonstrate magnetically-guided transfection of plasmid DNA in primary neuronal cell culture. Magnetofection uses an external magnetic field to guide the delivery of plasmids bound to magnetic nanoparticles into cell cytoplasm.
10:01
Radial Mobility and Cytotoxic Function of Retroviral Replicating Vector Transduced, Non-adherent Alloresponsive T Lymphocytes
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We describe a protocol to monitor radial mobility of non-adherent immune cells in vitro using a cell sedimentation manifold/slide apparatus. Cell migration is tracked on monolayers of tumor cells or on extracellular matrix proteins. Examination by light and fluorescence microscopy allows for observation of cell mobility and cytotoxic functionality.
09:55
Molecular Cloning
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2023
Molecular cloning is a set of methods, which are used to insert recombinant DNA into a vector - a carrier of DNA molecules that will replicate recombinant DNA fragments in host organisms. The DNA fragment, which may be a gene, can be isolated from a prokaryotic or eukaryotic specimen. Following isolation of the fragment of interest, or insert, both the vector and insert must be cut with restriction enzymes and purified. The purified pieces are joined together though a technique called...
11:21
Streamlined Single Cell TCR Isolation and Generation of Retroviral Vectors for In Vitro and In Vivo Expression of Human TCRs
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Cited by 3 •
2017
The current protocol combines single cell paired human TCR alpha and beta chain sequencing with streamlined generation of retroviral vectors compatible with in vitro and in vivo TCR expression.
08:25
Reprogramming Human Somatic Cells into Induced Pluripotent Stem Cells (iPSCs) Using Retroviral Vector with GFP
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Cited by 6 •
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A method to generate human induced pluripotent stem cells (iPSCs) via retrovirus-mediated ectopic expression of OCT4, SOX2, KLF4 and MYC is described. A practical way to identify human iPSC colonies based on GFP expression is also discussed.
FAQs
Retroviral vector cloning separates the genetic cargo from the viral functions needed to produce a vector. The plasmid carries the selected transgene together with viral cis-acting elements, whereas replication functions are supplied separately. This arrangement supports gene delivery while keeping the transferred construct focused on expression of the sequence chosen for the experiment.
Viral cis-acting elements are important because they provide sequence-level signals used during the vector’s life cycle. Their presence in the recombinant plasmid allows the selected DNA to participate in reverse transcription and subsequent integration after delivery. Thus, vector design links the transgene to the molecular steps that produce stable genomic incorporation.
Stable incorporation distinguishes this approach from a system that only delivers transient genetic material. After entry into a target cell, reverse transcription converts the transferred retroviral sequence into a form that can integrate into the host-cell genome. That persistence is particularly useful when experiments require continued expression of an introduced receptor, cytokine, antigen, or gene-editing component.
A typical workflow begins by selecting the sequence to be transferred and inserting it into a plasmid containing the required viral cis-acting elements. Viral replication functions are then provided separately during vector production rather than encoded with the transgene. The resulting vector is applied to target cells, where transfer, reverse transcription, and integration can be assessed.
In immunology and infection research, useful payloads include receptors, cytokines, antigens, and gene-editing components. Each can alter a cellular capability that investigators want to examine in a controlled setting. Introducing these sequences into immune cells helps connect a defined genetic change with cellular function, host-pathogen interactions, or disease mechanisms.
Retroviral Vector Cloning is suited to studies requiring stable genetic modification rather than a short-lived introduction of DNA. It can support engineered immune-cell models, investigation of how altered receptor or cytokine expression affects cellular behavior, and evaluation of therapeutic strategies. The same stable transfer can help examine mechanisms relevant to infection and disease.