Table 1. Mutations detected in BRCA1 and BRCA2 in Colombia and their clinical relevance according to NCBI (NIH-BIC and ClinVar). Pathogenic mutations as reported in international databases appear in bold.
Patients | % | Mutation registry (BIC) | Mutation registry (ClinVar) | |
---|---|---|---|---|
BRCA1* | ||||
3450 delCAAG** | 13 | 18.8 | Class 5 | Pathogenic |
A1708E** | 27 | 39.1 | Pending | Pathogenic |
G3031A | 1 | 1.4 | NR | NR |
T3014C | 1 | 1.4 | NR | NR |
C5214T | 1 | 1.4 | Pending | Pathogenic |
1163 delTG | 1 | 1.4 | NR | NR |
C5141T | 3 | 4.3 | NR | NR |
1793 delA | 4 | 5.8 | Class 5 | Pathogenic |
5221 delTG | 1 | 1.4 | Class 5 | Pathogenic |
5221 delT | 1 | 1.4 | NR | NR |
5637 delG | 1 | 1.4 | NR | NR |
C39R (234 T>C) | 2 | 2.9 | Pending | NR |
W1508X (4642 G>A) | 1 | 1.4 | Class 5 | Pathogenic |
5154 delTTTTC | 1 | 1.4 | Class 5 | NR |
E720X (2277G>T) | 1 | 1.4 | Class 5 | NR |
N1742S | 1 | 1.4 | NR | Uncertain |
2881 delGACA | 1 | 1.4 | NR (report: 2883 delACAG) | NR |
1499 insA | 1 | 1.4 | Class 5 | Pathogenic |
V1145F | 2 | 2.9 | NR | NR |
2031 delG | 1 | 1.4 | Class 5 | Pathogenic |
K168E | 1 | 1.4 | NR | NR |
5356 delT | 1 | 1.4 | NR | NR |
R1835X (5622 C>T) | 1 | 1.4 | Pending | Pathogenic |
W1712X (5255G>A) | 1 | 1.4 | Class 5 | Pathogenic |
Total | 69 | 63.9 | ||
BRCA2*** | ||||
3034 delACAA** | 8 | 21.1 | Class 5 | Pathogenic |
6076 delGTTA** | 1 | 2.6 | Class 5 | Pathogenic |
6503 delTT** | 0 | 0.0 | Class 5 | Pathogenic |
W31X** | 0 | 0.0 | Pending | NR |
T289A | 1 | 2.6 | NR | NR |
C6448A | 1 | 2.6 | Pending | Benign |
C3046T | 1 | 2.6 | Class 5 | Pathogenic |
V572L | 1 | 2.6 | NR | Uncertain |
P218L | 1 | 2.6 | NR | NR |
C6328T | 3 | 7.9 | Pending | Benign |
T10K | 1 | 2.6 | NR | Uncertain |
2929 delC | 1 | 2.6 | NR | Benign |
3154 TC>AT | 1 | 2.6 | Pending | NR |
C5972T | 11 | 28.9 | Class 1 | Benign |
T1011R (3260C>G) | 1 | 2.6 | Pending | Conflicting interpretations |
4772 delA | 1 | 2.6 | NR | NR |
6310 delGA | 1 | 2.6 | NR (report: 6310 delGAAGA) | Benign |
A5996C | 1 | 2.6 | Pending | Conflicting interpretations |
6062 insG | 1 | 2.6 | NR | NR |
S1630X (5117C>G) | 1 | 2.6 | Class 5 | NR |
N570S (1937A>G) | 1 | 2.6 | NR | Uncertain |
Totasl | 38 | 35.5 |
* 22 new mutations in Colombia
** Profile Colombia
*** 17 new mutations in Colombia