Sunday, August 6, 2023

Simar Bajaj in The Guardian on Pig-to-Human Heart Transplants

Simar Bajaj, “Pig to human heart transplants are the future. Are we ready for it?The Guardian, August 4, 2022.

  • In 1984, poor Baby Fae lived only 21 days after receiving a baboon’s heart. Interest in xenotransplantation shifted towards pigs…
  • … that conveniently are not covered by the Animal Welfare Act. Pigs are economically convenient, too, as organ sources, by growing quickly and having large litters.
  • On an operating table, pig chests look remarkably like human chests!
  • The (accepted?) use of pigs for food can become an argument that it is ethically fine to use them as organ manufacturers.
  • Revivicor uses CRISPR to create genetically-modified pigs. They are raised without their moms and in a sterile, indoor environment. 
  • Pigs and humans are genetically close, sharing 98% of their genes; for Revivicor xenotransplants, 4 pig genes are knocked out, 6 are added.

No comments:

Post a Comment