![SKI molecular biologist John Maciejowski](https://www.mskcc.org/sites/default/files/styles/width_200/public/node/250391/main_image/maciejowski_160822_03_1200x800.jpg)
SKI Study Sheds Light on How a Natural Defense Against Viruses Can Lead to Mutations in Cancer Cells
A protein in the body that protects against viruses can also cause cancer-related mutations.
In the Lab
![Black blobs on a white background](https://www.mskcc.org/sites/default/files/styles/width_200/public/node/207625/main_image/mov-1200x800_1.jpg)
Separation Anxiety: Cell Division Gone Awry Leads to Genetic Chaos
Researchers shed light on how aberrant cell division can cause the kind of mutations often found in cancer cells.