HEK 293 cells HEK 293 cells Human embryonic kidney 293 cells, also often referred to as HEK 293, HEK-293, 293 cells, or less precisely as HEK cells, are a specific cell line originally derived from human embryonic kidney cells grown in tissue culture. HEK 293 cells have been widely used in cell biology research for many years, because of their reliable growth and propensity for transfection. They are also used by the biotechnology industry to produce therapeutic proteins and viruses for gene therapy. HEK 293 cells were generated in 1973 by transfection of cultures of normal human embryonic kidney cells with sheared adenovirus
Def Jam's How to Be a Player of how he treats women. As soon as Dray leaves, she and Katrina snoop around and find Dray's mobile black book of his women. Jenny plans to set Dray up at the party in a hostile environment, hoping that Dray, if he gets caught, will change his ways in the form of reform. As soon as Jenny and Katrina call the women and receive their numbers, they both leave out. After Dray makes his daily rounds of having sex with his women (three of which are his main ones which includes: Robin, a married woman, (Beverly Johnson) Amber, a sexy