Helafect is a lipidbased reagent based on the teetechnology triggered endosomal escape. Even though hela cells are very hardy, the hela cell line is fairly easy to transfect and very receptive to viral vectors, making it a popular research tool in virology. My funding was only hight amount of lp and plasmid can transfect my hela cells. Rebecca skloot explores the racism and greed, the idealism and faith in science that helped to save thousands of lives but nearly destroyed a family. To transfect hela s3 cells in different tissue culture formats, vary the amounts of lipofectamine ltx reagent, dna, cells, medium and plus reagent used in proportion to the relative surface area, as shown in the table amounts given on a per well basis.
Since their initiation, hela cells have been used in transfection experiments all over the world to study viruses. Transfection difficulty is not limited to immature or primary cells. Why performing transfection is harder with certain cell types. Canine and feline parvoviruses can use human or feline transferrin receptors to bind, enter, and infect cells. Helafect is a transfection reagent specifically developed for hela cell lineage transfection with high efficiency. We recommend using oligofectamine when transfecting sirna into hela cells. Protocol for hela cell culture and plasmid transfection av. Science writer michael gold wrote about the hela cell contamination problem in his book a conspiracy of cells.
Lipofectamine is great, but its a generic that can have trouble sometimes with picky cells. Small wolfram or gold particles are coated with dna and then shot onto the cells at a high speed. The ric open booksopen minds common book for 201220. I performed transient transfection of hela cells using lipofectamine overnight, with a. Before transfection they are trypsinized, and the cells are transfected with the.
The immortal life of henrietta lacks brings to mind the work of philip k. Methods 34 methods cell culture the hela cell line refubium. Transfection definition of transfection by merriamwebster. Hela transfection information and resources hela cell line. Protocol for hela cell culture and plasmid transfection av02hela cell culture 1. General transfection protocols thermo fisher scientific us. Hela cells open books open minds the immortal life of. Transfection reagent faqs thermo fisher scientific uk. Hela, one of biologys workhorse cell lines, is refractory to high transfection efficiency using chemical methods.
Hela cell line american type culture collection, atcc. Hela cell line is a human epithelial cell line that was derived from a patient with cervical carcinoma about 50 years ago 1,2. Many books have been written about the hela henrietta lacks cells and the their effect on medical science. Transfection definition is infection of a cell with isolated viral nucleic acid followed by production of the complete virus in the cell. Egfp nucleus subcellular localization in transfected hela cells. Hela is an immortal cell line used in scientific research. Primary cell transfection while immortalized cell lines traditionally have served as the common targets of transfection, primary cells are often preferred as they more closely resemble the in. For hi5 cells, 15 cm dishes are used to infect cells. Transfection protocols for difficult cells biocompare. Indeed, hela cell line is one of the most common typical cells as it is being used widely in many research areas such as cancer research, effects of drugs on cells and gene regulation studies. Can i use the same amount of any transfection reagent for different cell lines. The cationic design of helafect reagent allows high nucleic acid compaction for an efficient transport into hela cells. It was the hela cell line that took up the polio virus and.
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