2E399DX Messenger RNA or mRNA strand 3D rendering illustration with copy space. Genetics, science, medical research, genome replication concepts.

Illustration of a strand of messenger RNA

MattLphotography/Alamy

A way of packaging messenger RNA inside a human protein might make it much easier to deliver mRNA to cells in specific organs. This would allow mRNA to be used to treat a wider range of conditions, from inherited diseases to autoimmune disorders to cancers.

Using a human protein should not provoke an immune response, meaning people can be given repeated doses of the same treatment.

“This protein is found in the human bloodstream,” says Feng Zhang at the Howard Hughes Medical Institute …



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