Table 3 Genomic regions differentially gained and lost in BRCA1 when compared with sporadic controls
| Wessels et al83 | Van Beers et al82 | Jonsson et al81 | |
| Most frequent copy-number gains | 3q | 3pter-t22 | 1q42.12–q42.13 |
| 7p | 3q13–q27 | 3q26.32–q26.33 | |
| 8q | 8p12–pcent | 3q27.1–q27.33 | |
| 10p | 10pter–p12 | 7q36.1–q36.3 | |
| 12p | 16p | 8q24.23–q24.3 | |
| 16p | 18p | 10p15.3 | |
| 17q | 10p15.1–p14 | ||
| Most frequent copy-number losses | 3p | 5cent–q23 | 4p15.32–p14 |
| 4p | Q131.3 | ||
| 5q | 4q32.1–q34 | ||
| 12q | 5q11.2–q23.3 | ||
| 16p | 8pter–p12 | ||
| 18q | 13q13.3–q21.32 | ||
| 15q12–q13.1 | |||
| 15q15.3–q21.1 | |||
| 17p13.2–p12 |
