Transfection

Transfection is a process that involves the introduction of nucleic acids such as DNA or RNA into cells. This process is used in cell biology for various purposes, including the study of gene function and regulation, and the production of proteins.

Methods

There are several methods of transfection, including calcium phosphate transfection, liposome transfection, and electroporation. Each method has its own advantages and disadvantages, and the choice of method depends on the type of cells being transfected and the goals of the experiment.

Calcium phosphate transfection

Calcium phosphate transfection is a commonly used method for introducing DNA into cells. This method involves the formation of a calcium phosphate-DNA precipitate that is taken up by cells. Although this method is relatively simple and inexpensive, it is not as efficient as other methods and can cause cell damage.

Liposome transfection

Liposome transfection, also known as lipofection, involves the use of liposomes to deliver DNA into cells. Liposomes are small, spherical vesicles that can encapsulate DNA and fuse with the cell membrane to deliver the DNA into the cell. This method is more efficient than calcium phosphate transfection, but it is also more expensive.

Electroporation

Electroporation is a method that uses an electric field to increase the permeability of the cell membrane, allowing DNA to enter the cell. This method is highly efficient, but it can also cause cell damage.

Applications

Transfection is used in various fields of cell biology, including genetics, oncology, and pharmacology. It is used to study gene function and regulation, to produce proteins, and to develop gene therapy strategies.

See also

• Transformation (genetics)
• Transduction (genetics)
• Gene delivery
• Gene therapy

References

Transfection Resources
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