Columbia Embryo-Editing Study Pulls Nucleus Genomics Into the Ethics Fight

The Columbia-led work used base editing to alter PCSK9 and HBG in donated human embryos, with Nucleus Genomics' Nathan Treff listed as a co-author and safety questions still unresolved.

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Primary source: X

Why it matters

The claim moves Nucleus Genomics from consumer-facing genomics into a far more sensitive debate: whether embryo editing can be made technically reliable, ethically defensible, and legally usable.

Illustration of a human embryo labeled PCSK9 and HBG being edited, referencing the Columbia study and Nucleus Genomics co-author Nathan Treff.

Kian Sadeghi (@KianSadeghi5) said in a post on X that Nucleus Genomics (@nucleusgenomics) and Columbia University (@Columbia) have announced high-efficiency editing of human embryos, a claim he framed as a world first.…

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