Table 2. Frequency of PARP-1 and PARP-2 mutations in Ewing sarcoma.
| Study | Sequencing platform | Patient cohort | PARP-1 mutations | PARP-2 mutations |
|---|---|---|---|---|
| Crompton et al. 13 | WES | n = 92 | n = 1 (1.1%) (K203R) | n = 2 (E222Q, H428H) |
| Tirode et al. 56 | WGS | n = 112 | n = 0 (0%) | n = 0 (0%) |
| Agelopoulos et al. 54 | WES | n = 50 | n = 0 (0%) | n = 0 (0%) |
| Huether et al. 55 | WGS | n = 19 | n = 0 (0%) | n = 0 (0%) |
| Brohl et al. 12 | WGS | n = 6 | n = 0 (0%) | n = 0 (0%) |
| Total | n = 1/279 (0.36%) | n = 2/279 (0.72%) | ||
PARP, poly ADP ribose polymerase; WES, whole exome sequencing; WGS, whole genome sequencing.