About
CRISPR-Cas9 gene editing — discovered as a bacterial immune system by Françoise Barré-Sinoussi and Jennifer Doudna/Emmanuelle Charpentier (Nobel Prize 2020) — has in 10 years moved from laboratory curiosity to the first approved gene therapy cures for genetic diseases. The FDA approved Casgevy (December 2023) — the first CRISPR therapy — for sickle cell disease and beta-thalassemia, potentially curing patients with a single treatment.
Applications across medicine and agriculture: sickle cell disease (functional cure, with 40+ patients showing complete remission); Duchenne muscular dystrophy (clinical trials); cancer immunotherapy (CAR-T cells edited with CRISPR); genetic disease prevention (embryo editing — controversial); malaria prevention (gene-drive mosquitoes that spread infertility through wild populations); agricultural crops (higher yield, drought resistance, allergen reduction); and de-extinction (Colossal Biosciences aims to 'resurrect' the woolly mammoth using CRISPR to edit Asian elephant genome by 2027).
# Top 10 CRISPR applications
- 1Casgevy (FDA 2023, sickle cell)
- 2beta-thalassemia
- 3CAR-T cancer
- 4gene drive mosquitoes
- 5He Jiankui scandal (2018, first gene-edited babies)
- 6pig organ xenotransplantation
- 7woolly mammoth de-extinction
- 8agricultural CRISPR crops
- 9CRISPR diagnostics
- 10base editing (next generation)
Fascinating Facts
- ◆The FDA approved Casgevy in December 2023 — the first CRISPR gene therapy — potentially offering a functional cure for sickle cell disease that affects 100,000 Americans, at a price of $2.2 million per patient
- ◆He Jiankui shocked the world in 2018 by announcing he had created the first gene-edited human babies, editing the CCR5 gene to confer HIV resistance — he was sentenced to 3 years in Chinese prison for conducting unauthorized human experimentation
- ◆Gene-drive technology could theoretically eliminate malaria by spreading sterility through wild mosquito populations within a few generations — but ecologists warn about unpredictable ecological consequences of eliminating entire species
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