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Home Science & Tech

HeLa cells

October 15, 2021
in Science & Tech
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HeLa cells
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In news– Recently, the chief of the World Health Organization honored the late Henrietta Lacks, a woman whose cancer cells were taken without her knowledge during the 1950s and ended up providing the foundation for vast scientific breakthroughs.

About HeLa cells-

  • HeLa is an immortal cell line used in scientific research. 
  • It is the oldest and most commonly used human cell line. 
  • The line is named after and derived from cervical cancer cells taken on February 8, 1951, from Henrietta Lacks, a 31-year-old African-American mother of five, who died of cervical cancer in 1951.
  • The tissue taken from her at Johns Hopkins Hospital in Baltimore provided the first human cells to be successfully cloned. 
  • Cell biologist George Otto Gey had found that these cells could be kept alive  and developed a cell line. 
  • Previously, cells cultured from other human cells would only survive for a few days but the Cells from Lacks’s tumor behaved differently.
  • Reproduced infinitely ever since, HeLa cells have become a cornerstone of modern medicine.
  • In addition to the HPV vaccine, HeLa cells allowed for development of the polio vaccine; drugs for HIV/AIDS, haemophilia, leukaemia, and Parkinson’s disease.
  • It provided breakthroughs in reproductive health, including in vitro fertilization; research on chromosomal conditions, cancer, gene mapping, and precision medicine; and are used in studies responding to the COVID-19 pandemic.
  • The HeLa cells were “foundational” in the development of human papillomavirus (HPV) vaccines, which can eliminate the cancer that took her life.
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Source: The Indian Express
Tags: NewspaperPrelims

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