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
House of Many Ways long-lost Elfgift. House of Many Ways House of Many Ways is a young adult fantasy novel written by Diana Wynne Jones. The story is set in the same world as "Howl's Moving Castle" and "Castle in the Air". Charmain Baker has led a respectable, and relaxing sheltered life. She has spent her days with her nose in a book, never learning how to do even the smallest household chores. When she suddenly ends up looking after the tiny cottage of her ill Great-Uncle William she seems happy for the adventure, but the easy task of house-sitting is complicated by the