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Saline injections require more DNA because the DNA is delivered to the extracellular spaces of the target tissue (normally muscle), where it has to overcome physical barriers (such as the basal lamina and large amounts of connective tissue) before it is taken up by the cells, while gene gun deliveries drive/force DNA directly into the cells ...
Transformation has a different meaning in relation to animals, indicating progression to a cancerous state, so the process used to insert foreign DNA into animal cells is usually called transfection. [35] There are many ways to directly introduce DNA into animal cells in vitro. Often these cells are stem cells that are used for gene therapy.
Optical transfection is a biomedical technique that entails introducing nucleic acids (i.e. genetic material such as DNA) into cells using light. All cells are surrounded by a plasma membrane, which prevents many substances from entering or exiting the cell. Lasers can be used to burn a tiny hole in this membrane, allowing substances to enter.
Genetic vaccines are most commonly administered by injection (intramuscular or subcutaneous) or infusion, and less commonly and for DNA, by gene gun or electroporation. While viral vectors have their own mechanisms to be taken up into cells, DNA and RNA must be introduced into cells via a method of transfection.
Hydrodynamic Delivery (HD) is a method of DNA insertion in rodent models. Genes are delivered via injection into the bloodstream of the animal, and are expressed in the liver. This protocol is helpful to determine gene function, regulate gene expression, and develop pharmaceuticals in vivo. [1] W. Heston giving an intravenous injection to mice.
This is an accepted version of this page This is the latest accepted revision, reviewed on 4 February 2025. Manipulation of an organism's genome For a non-technical introduction to the topic of genetics, see Introduction to genetics. For the song by Orchestral Manoeuvres in the Dark, see Genetic Engineering (song). For the Montreal hardcore band, see Genetic Control. Part of a series on ...
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Transfection is the process of deliberately introducing naked or purified nucleic acids into eukaryotic cells. [1] [2] It may also refer to other methods and cell types, although other terms are often preferred: "transformation" is typically used to describe non-viral DNA transfer in bacteria and non-animal eukaryotic cells, including plant cells.