Gene editing, in a patient's body, attempted for 1st time

A man may soon be forever free of the previously incurable disease he was born with 44 years ago. On Monday, in a medical first, Brian Madeux received an experimental in-body gene-editing treatment intended to cure him of Mucopolysaccharidoses II, known as MPS II or Hunter syndrome, a rare disorder that causes progressive damage to the body's cells.

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