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Dr. George Grey takes samples of HeLa cells from Henrietta's corpse after her death.
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First HeLa factory opens to grow trillions of HeLa cells a week. Main reason for the factory was to help stop polio.
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Scientists used HeLa cells to develop a method of freezing cells without changing them, advancing researching strategies.
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Scientists were able to clone thousands of HeLa cells, the first cells to ever be cloned.
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Cosmetic and pharmaceutical companies in the US and Europe begin using HeLa cells to test if new products and drugs caused cellular damage instead of laboratory animals.
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Dr. Gey uses HeLa cells to study hemorrhagic fever per the request of the US government. He also tests rats with the cells to see if they'd cause cancer.
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Dr. Southham injected patients with HeLa cells. Patients would then developed nodules in the area of where injected, in some patients it would spread else where. Southhams experiment increased the patients immunity to cancer (1954-56)
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HeLa cells were sent to orbit in the second satellite ever to study the effects if space travel, nutritional needs of cells, and how cells respond to zero gravity
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British scientists Henry Harris and John Watkins fused HeLa cells with mouse cells, making it possible to study what genes do and how they work
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German virologist uncovered how Henrietta's cancer started and why her cells never died which was all due to HIV-18. The discovery had led to the HPV vaccine
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Christoph Lengauer developed fluorescent in situ hybridization (FISH), using HeLa cells, to uncover detailed information on a persons DNA by painting chromosomes