Bridging Disciplines to Study CRISPR-Induced Chromosome Destabilization

A collaboration between friends led to a cautionary finding about CRISPR’s effect on cells.

Written byAparna Nathan, PhD
| 4 min read
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When David Pellman and Mitchell Weiss made plans to catch up over dinner, they did not expect it to lead to a scientific discovery. Because of this get-together, the pair published a study earlier this year in Nature Genetics showing that CRISPR can cause a cell’s genome to fall into disarray.1

Weiss, a physician scientist from St. Jude Children’s Research Hospital, was on a business trip to Boston where Pellman works at Dana-Farber Cancer Institute. The pair are friends and experts in their respective fields; Pellman studies genomic instability during cell division and Weiss is a hematologist who develops gene therapies for sickle cell disease.

“There's something particularly nice about having dinner with your old friend when you're a little relaxed and you're talking about science,” Weiss said. “That's extra special.”

The conversation veered toward CRISPR, a tool that Weiss has been testing to mitigate sickle-cell-causing mutations in patients’ hematopoietic ...

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Meet the Author

  • Aparna Nathan, PhD

    Aparna is a freelance science writer with a PhD in bioinformatics and genomics from Harvard University. She uses her multidisciplinary training to find both the cutting-edge science and the human stories in everything from genetic testing to space expeditions. She was a 2021 AAAS Mass Media Fellow at the Philadelphia Inquirer. Her writing has also appeared in Popular Science, PBS NOVA, and The Open Notebook.

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