# DNA-shredding CRISPR enzyme targets cancer cells

Researchers have developed a CRISPR enzyme that shreds DNA and is being tested against cancer cells. This approach could offer a new way to selectively destroy tumors while sparing healthy tissue, representing a promising advance in cancer therapy.

**Importance:** 4/5

## Sources

### Science
- [Nature](https://www.nature.com/articles/d41586-026-02122-2) — 2026-07-14