Table 1 Mutational load in different tissues

From: Low-level constitutional mosaicism of a de novoBRCA1 gene mutation

Tissue

Reads indicating insertion

Total depth at this position

% Reads carrying the insertion

% Heterozygous cells

Blood (draw 1, extraction 1)

164

3307

5.0

9.9

Blood (draw 1, extraction 2)

143

2889

4.9

9.9

Blood (draw 2)

127

2460

5.2

10.3

Buccal swab

149

2207

6.8

13.5

Normal breast tissue

5.0

10.0

Breast tumour

47.0

Uncertain