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Precision BioSciences has raised $110 million in series B financing to advance a drug discovery program using Arcus, its homing endonuclease-based gene-editing tool. Homing endonucleases are enzymes, used by scientists years before CRISPR gene editing was invented, that recognize and cut DNA sequences. The Durham, N.C.-based firm will use the funds to move its lead therapy program, off-the-shelf CAR-T cancer treatments, into the clinic and begin field tests of crops edited with Arcus.
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