Note4Students
From UPSC perspective, the following things are important :
Prelims level: Hela Cells
Mains level: NA
Central Idea
- HeLa cells, an extraordinary line of human cells recovered from a woman suffering from cancer has helped various realms of scientific discovery and medical progress.
What are HeLa Cells?
- Unveiling the Unknown: In 1951, Henrietta Lacks was diagnosed with cervical cancer and underwent a tissue biopsy at Johns Hopkins Hospital.
- Pioneering Phenomenon: A fraction of Lacks’ tumor cells, later termed HeLa cells, displayed an exceptional trait – the ability to perpetually divide and multiply in laboratory conditions.
Distinctive Attributes of HeLa Cells
- Endless Proliferation: Unlike typical human cells that have finite lifespans, HeLa cells displayed continuous division, enabling their perpetual growth.
- Scientific Marvel: This property revolutionized research by offering a consistent and adaptable medium for experiments.
Utility for Scientific Progress
- Polio Vaccine: HeLa cells played a pivotal role in cultivating the poliovirus, facilitating the development of the polio vaccine.
- Cancer Research: HeLa cells fueled insights into cancer biology, aiding in testing treatments and understanding disease mechanisms.
- Genetic Insights: These cells were the first human cells to be cloned, deepening our grasp of genetics and cellular biology.
- Drug Testing: HeLa cells revolutionized drug testing, aiding in drug development and assessing safety profiles.
- Space Exploration: Their journey extended to space, contributing to the understanding of cellular behavior in microgravity.
Ethical Dilemmas and Controversies
- Informed Consent Absence: HeLa cells’ use without Henrietta Lacks’ consent raised ethical concerns, especially in the context of medical experimentation on African American patients.
- Patient Rights and Acknowledgment: Discussions emerged about patient rights, equitable compensation, and the acknowledgement of individuals whose contributions fuel scientific progress.
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