JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY
HeLa cells in frozen storage. A pair of scissor forceps are used to remove a vial of cultured HeLa cells from cryostorage. HeLa cells were the first human cell line, established in 1952, to research cancer. They were obtained in 1951 from the cervix of Henrietta Lacks (after whom the cells are named) from Baltimore, USA. She died of cervical cancer eight months later. HeLa cells grow exceptionally well in the laboratory and are used in viral, genetic and anti-cancer research worldwide. Cryostorage is a method of freezing cells or tissues in liquid nitrogen for later use. Photographed at the Institute of Virology in Oxford, England.
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