Transient Transfection
Transient Transfection - Related Videos
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Controllable Ion Channel Expression through Inducible Transient Transfection
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Cited by 2 •
2017
Studying ion channels through a heterologously expressing system has become a core technique in biomedical research. In this manuscript, we present a time efficient method to achieve tightly controlled ion channel expression by performing transient transfection under the control of an inducible promoter.
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High Yield Expression of Recombinant Human Proteins with the Transient Transfection of HEK293 Cells in Suspension
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Cited by 76 •
2015
Laboratory-scale production of eukaryotic proteins with appropriate post-translational modification represents a significant barrier. Here is a robust protocol with rapid establishment and turnaround for protein expression using a mammalian expression system. This system supports selective amino acid, selective labeling of proteins and small molecule modulators of glycan composition.
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Production of Replication-Defective Retrovirus by Transient Transfection of 293T cells
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Cited by 16 •
2007
This technique demonstrates an efficient way to prepare replication-defective retroviral stocks encoding a human oncogene, and subsequently used for induction of myeloproliferative disease in the mouse model.
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An Introduction to Transfection
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2023
Transfection is the process of inserting genetic material, such as DNA and double stranded RNA, into mammalian cells. The insertion of DNA into a cell enables the expression, or production, of proteins using the cells own machinery, whereas insertion of RNA into a cell is used to down-regulate the production of a specific protein by stopping translation. While the site of action for transfected RNA is the cytoplasm, DNA must be transported to the nucleus for effective transfection. There, the...
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Neuronal Transfection Methods
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2023
Transfection - the process of transferring genetic material into cells - is a powerful tool for the rapid and efficient manipulation of gene expression in cells. Because this method can be used to silence the expression of specific proteins or to drive the expression of foreign or modified proteins, transfection is an extremely useful tool in the study of the cellular and molecular processes that govern neuron function. However, mature neurons have a number of properties that make them...
FAQs
The short-lived signal reflects two linked processes: introduced nucleic acids are degraded over time, and cell division can dilute them among daughter cells. Because the material does not become a stable part of the genome, expression generally decreases rather than being maintained indefinitely. This behavior makes the method appropriate for experiments requiring temporary gene activity and observation over a limited period.
DNA and RNA provide alternative forms of introduced genetic material for expression experiments, while the delivery approach determines how that material enters eukaryotic cells. The overview identifies lipid-mediated delivery and electroporation as available approaches, but does not prescribe one universal choice. Researchers can align the nucleic-acid format and delivery strategy with the assay or cellular response being examined.
Temporary expression creates a rapid screening stage: a researcher can introduce a construct, examine its effect, and use the result to decide whether stable cell-line development is warranted. The limited duration avoids requiring the experiment to begin with a permanently modified population. This makes transient transfection practical when flexibility and early construct evaluation matter more than long-term maintenance.
A basic workflow begins by selecting the DNA or RNA to be tested, delivering it into eukaryotic cells through lipid-mediated delivery or electroporation, and then monitoring the resulting gene expression or cellular response. Interpretation should account for the expected decline in signal as nucleic acids are degraded or diluted by cell division. The method therefore supports short-term experimental readouts.
Transient transfection can support gene function studies, reporter assays, and protein production, with each use focusing on a different readout. A construct may be evaluated for its effect on cellular behavior, linked to a reporter measurement, or used to produce a protein temporarily. These applications take advantage of rapid expression without requiring stable genomic incorporation.
In biology, the method provides a way to evaluate cellular responses to engineered genetic material. Because the introduced DNA or RNA produces a temporary change, investigators can examine responses during a defined experimental window and relate them to the tested material. The eventual reduction in expression helps distinguish short-term effects from outcomes requiring persistent genetic modification.