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31 July 2026

Ethical concerns in gene-editing research

The topic provides a significant ethical case study on the risks of unregulated gene-editing and the balance between innovation and safety, which is highly relevant for GS4 ethics and GS3 science and technology, though it remains a foreign event rather than a direct Indian policy development.

2 min read 2 questions 2 prelims

Notes

  • Base-editing is a gene-editing technology developed by David Liu in 2016 that allows for the conversion of one DNA letter to another (e.g., C to T) without cutting both strands of the DNA double helix.
  • Base-editing is considered more 'gentle' than CRISPR-Cas9, potentially causing fewer unintended mutations.
  • A recent case in China involved a six-year-old girl with Snijders Blok-Campeau syndrome who died after receiving an experimental base-editing therapy.
  • The therapy involved injecting large doses of adeno-associated viruses (AAVs) into the cerebrospinal fluid, which carries risks of severe immune reactions.
  • Toxicology studies in monkeys prior to the trial reportedly showed liver and kidney damage.
  • The trial was investigator-initiated at Xinhua Hospital, Shanghai, and did not require review by the National Medical Products Administration.
  • The girl's family contributed approximately $860,000 (₹8.3 crore) toward the therapy's development.
  • The cause of death was identified as thrombotic microangiopathy, a complication linked to high-dose AAV therapies.
  • Regulatory challenges in gene-editing include balancing the need for rapid innovation for rare diseases with the necessity of rigorous preclinical safety reviews and ethical oversight.
  • India is exploring the potential to become a hub for affordable gene-editing, focusing on indigenous manufacturing of AAV vectors and inexpensive CRISPR therapies.

Questions

  1. Discuss the ethical and regulatory challenges associated with 'first-in-human' gene-editing clinical trials for rare genetic disorders. How can a balance be struck between medical innovation and patient safety? 150 words
    Attempt this — 150 words in 8 min
    0 / 150 words 8:00
  2. The rapid advancement of gene-editing technologies like base-editing presents both transformative potential for medicine and significant risks to human subjects. Critically analyze the role of institutional oversight and regulatory frameworks in preventing the misuse of experimental therapies in the context of emerging biotechnologies. 250 words
    Attempt this — 250 words in 11 min
    0 / 250 words 11:00

Prelims

  1. Which of the following best describes the mechanism of 'base-editing' in gene therapy?

  2. What is a known clinical risk associated with the use of high doses of adeno-associated viruses (AAVs) in gene therapy?

Syllabus

Topics

Sources

250words.in · https://250words.in/daily/2026-07-31/ethical-concerns-in-gene-editing-research