Country | Cohort size | Inclusion criteria | Number of mutation detected | Pathogenic mutation in BC patients | Recurrent mutation (frequency %) | Large genomic rearrangements (frequency %) | References | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
BRCA1 | BRCA2 | BRCA1 | BRCA2 | BRCA1 | BRCA2 | BRCA1 | BRCA2 | ||||||
Exon | Mutation | Exon | Mutation | ||||||||||
Brazil | 402 | Unselected, but all of the patients postive for a BRCA mutation had a family history of BC | 2 | 2 | 11 | c.3228_3229delAG | 11 | c.5946delT | c.5266dupC (1.2%) | c.6405_6409delCTTAA (0.5%) | NS | NS | Gomes et al. [37] |
20 | c.5266dupC | 11 | c.640_6409delCTTAA | ||||||||||
Colombiab | 766 | Unselected for family history | 2 | 1 | 11 | c.3331_3334delCAAG c.5123C>A | 11 | c.2808_2811delACAA | c.3331_3334de lCAAG (1.6%) c.5123C>A (1.3%) | c.2808_2811delACAA (1.3%) | NS | NS | Torres et al. [44] |
Colombiac | 96 | Unselected for family history | 3 | 2 | 11 | c.3331_3334de lCAAG | 11 | c.6024dupG | c.3331_3334de lCAAG (11.4) | ND | NS | NS | Rodrı́guez et al. [42] |
11 | c.1674_1674de lA | 11 | c.6024dupG | ||||||||||
18 | c.5123C>A | ||||||||||||
Colombia | 244 | Unselected for family history | 2 | 1 | 11 | c.3331_3334de lCAAG | 11 | c.5616_5620de lAGTAA | ND | ND | NS | NS | Hernández et al. [43] |
18 | c.5123C>A | ||||||||||||
Mexico | 188 | Unselected for family history | 14 | 6 | 2 | 70insAG | 10 | 1803insA | ND | ND | ex9-12del (6.9%) | ND | Villarreal-garza et al. [51] |
2 | c.68_69de lAG | 11 | 2900de lCT | ex8-9dup (1.1%) | |||||||||
5 | c.211A>G | 11 | C.6024dupG | ex18-19del (1.1%) | |||||||||
5 | c.212+1G>A | 11 | 6244de lG | ex8-10del | |||||||||
11 | c.798_799de lTT | 11 | c.6486_6489de lACAA | ||||||||||
11 | 803de lA | 25 | c.9463_9467de I5in8 | ||||||||||
11 | c.815_824dupAGCCATGTGG | ||||||||||||
11 | c.2806_2809de lGATA | ||||||||||||
11 | c.3759_3760de lTGAG | ||||||||||||
11 | c.3858_3861de lTGAG | ||||||||||||
11 | c.4065_4068de lTCAA | ||||||||||||
13 | c.4327C>T | ||||||||||||
18 | c.5095C>T | ||||||||||||
18 | c.5123C>A | ||||||||||||
Mexico | 810 | Unselected [85.3% with sporadic BC and 67.7% with early-onset BC (≤ 50 years of age)] | 8 | 11 | 9_12 | c.548?_4185?de l | 10 | c.1796-1800de lTTTAT | c.548?_4185?de I(1%) | c.1796-1800de lTTTAT(0.37%) | NS | NS | Torres-Mejia et al. [50] |
11 | c.1016-1017insA | 11 | c.2808_2811de lACAA | c.2433de IC(0.25%) | c.4111C>T | ||||||||
11 | c.2071-2071de lA | 11 | 2971de I5 | c.4327C>T (0.25%) | |||||||||
11 | c.2296-2297de lAG | 11 | c.3264_3265insT | c.5123C>A (0.5%) | |||||||||
11 | c.2433de lC | 11 | c.4111C>T | ||||||||||
11 | c.3598C>T | 11 | 4321insAA | ||||||||||
13 | c.4327C>T | 11 | 4534de lAT | ||||||||||
18 | c.5123C>A | 11 | c.5542de lA | ||||||||||
11 | |||||||||||||
11 | |||||||||||||
11 | |||||||||||||
Perua | 266 | Unselected for family history | 4 | 1 | 2 | c.68_69de lAG | 11 | c.2808_2811de lACAA | c.68_69de lAG (2.6%) | c.2808_2811de lACAA (0.75%) | NS | NS | Abugattas et al. [52] |
11 | c.815_824dupAGCCATGTGG | c.1961_1962de lA (0.75%) | |||||||||||
11 | c.1961_1962de lA | ||||||||||||
11 | c.3759_3706de lTA | ||||||||||||
Perua | 124 | Unselected, but 39.39% of patients had a positive family history of BC and/or OC | 5 | 2 | 2 11 11 17 | c211A>G c.4041_4042del c.4065_4068de lTCAA c.5074+1G>T c.5091_5092del | 11 16 | c2455C>T c.7673_7674de l | ND | ND | Del exon 18–19 Del exon 8–13 | ND | González-Rivera et al. [53] |