Abstract
The radiosensitive rodent mutant cell line xrs-5 is defective in DNA double-strand break repair and lacks the Ku component of the DNA-activated protein kinase, DNA-PK. Here radiosensitive human cell lines were analyzed for DNA-PK activity and for the presence of related proteins. The radiosensitive human malignant glioma M059J cell line was found to be defective in DNA double-strand break repair, but fails to express the p350 subunit of DNA-PK. These results suggest that DNA-PK kinase activity is involved in DNA double-strand break repair.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1183-1185 |
| Number of pages | 3 |
| Journal | Science |
| Volume | 267 |
| Issue number | 5201 |
| State | Published - Feb 24 1995 |
| Externally published | Yes |
ASJC Scopus subject areas
- General
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