system
A chat on subreddit /r/wallstreetbets
human
Not many people know about it? The patient was  on breakfast tv being interviewed about it. Everyone (in the uk) who reads the papers or watches tv knows about it. I don’t think they edited her genome though. Something about training t-cells to attack the cancer cells.
gpt
They did base editing to create a new form of CAR-T cells. It’s like the CAR-T therapies we’ve heard about over the past few years with a slight upgrade since the form of cancer the girl had was T-cell leukemia. A traditional CAR-T therapy didn’t work with her because the CAR-T cells used to fight the cancer would attack themselves since they had to go in an attack cancerous T-cells. 

Super cool application of science for the researchers to go in an alter the base genome of the CAR-T cells so they could still a) fight the cancerous cells while b) not attacking each other. Has big implications for other CAR-T therapies since being able to make them *super* targeted is key to expanding the diseases the therapy can be used for.