Table 1. Frequency of germline pathogenic mutations in Taiwanese HBOC patients.
Reference | Population | No. of patients | No. of mutation cases (%) | Methods | |||
---|---|---|---|---|---|---|---|
BRCA1 | BRCA2 | Non-BRCA | Total | ||||
Kuo et al.[14] | Early-onset, bilateral or familial BC | 36 | 3 (8.3) | N/A | N/A | 3 (8.0) | BRCAChip (re-sequencing microarray) |
Chao et al. [12] | Ovarian cancer | 35 | 3 (8.6) | 2 (5.7) | N/A | 5 (14.2) | NGS (BRCA1/2) for FFPE*¶ |
Lin et al. [15] | Early-onset, bilateral or familial BC | 133 | 9 (6.7) | 11 (8.2) | 10 (7.5) | 30 (22.5) | NGS (68-gene panel)¶ |
Present study | At-risk patients with HBOC | 42 | 5 (11.9) | 2 (4.8) | NA | 7 (16.7) | BRCAChip (re-sequencing microarray) |
26 | 1 (3.8) | 1 (3.8) | 3 (11.5) | 5 (19.2) | NGS (49-gene panel)¶ | ||
Total | 272 | 21 (7.7)a | 16 (6.8)b | 13 (8.2)c | 50(18.4)a |
HBOC: hereditary breast and ovarian cancer; NGS: next-generation sequencing
*FFPE: formalin-fixed paraffin-embedded normal tissue used to obtain germline information.
cIncluded Lin [15] and NGS of the present study (total n = 159).
¶ Detailed list of genes and detected pathogenic genes are provided in S2 Table