Dna Vector Transfection
Dna Vector Transfection - Related Videos
15:56
DNA Transfection of Mammalian Skeletal Muscles using In Vivo Electroporation
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Cited by 99 •
2009
We describe detailed procedures for the efficient transfection of plasmid DNA into the fibers of foot muscles of live mice using electroporation and the subsequent visualization of protein expression using fluorescence microscopy.
05:11
Organoid Electroporation: A Method to Transfect Plasmid DNA into Gastrointestinal Organoids
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2023
This video describes the electroporation protocol for transfecting large plasmids into three-dimensional gastrointestinal organoids to prove its universal functionality in different entities, namely pancreatic ductal adenocarcinoma (PDAC), colorectal cancer (CRC), cholangiocarcinoma (CCC), and gastric cancer (GC) organoids.
08:04
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...
13:10
DNA Vector-based RNA Interference to Study Gene Function in Cancer
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Cited by 26 •
2012
RNA interference (RNAi) possesses many advantages over gene knockout and has been broadly used as a tool in gene functional studies. The invention of DNA vector-based RNAi technology has made long term and inducible gene knockdown possible, and also increased the feasibility of gene silencing in vivo.
07:28
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...
FAQs
The two main nonviral routes solve the membrane-entry problem differently. Lipid-based reagents package or bind DNA, helping associate the construct with cells, whereas electroporation applies brief electrical pulses that increase membrane permeability. The choice therefore changes how DNA crosses the membrane, while both approaches still depend on subsequent access to the nucleus for expression.
Nuclear delivery is a decisive stage because DNA that remains outside the nucleus cannot support the intended gene-expression outcome described for this method. After cellular uptake, the construct must reach the nucleus, where its genetic information can be used to produce the desired product or alter cellular behavior. This makes uptake alone an incomplete measure of success.
Transient and stable formats address different experimental time scales. Transient transfection supports short-term expression, making it useful for immediate gene-function or protein-production studies. Stable transfection integrates or maintains the genetic material for longer-term investigation. This distinction affects how researchers interpret later cellular behavior and whether ongoing genetic output is required.
Researchers first identify whether they need a desired protein product, a change in cellular behavior, or longer-term genetic output. That goal guides the choice between short-term and long-term expression strategies and helps determine whether lipid-based delivery or electroporation is appropriate. The design should therefore connect the DNA construct, delivery route, and expected duration of expression.
A general workflow begins by selecting the DNA construct and the eukaryotic cells, followed by choosing a nonviral delivery route. Lipid-based reagents can package or bind the DNA, while electroporation uses brief electrical pulses to increase membrane permeability. After delivery, researchers consider nuclear access and evaluate the resulting genetic product or cellular behavior.
Lipid-based transfection requires a chemical reagent that packages or binds the DNA construct. Electroporation instead requires equipment capable of delivering brief electrical pulses to cells. Both approaches use the DNA vector and eukaryotic cells, but their distinct delivery materials or equipment reflect different ways of enabling membrane passage before nuclear access and expression.
The method supports several biology applications, including examining gene function, regulating protein production, modeling disease mechanisms, and evaluating potential therapeutics. Researchers can select transient expression for short-term questions or stable genetic material for longer-term studies. Outcomes may include production of a desired genetic product or measurable changes in cellular behavior.