BRCA1 and breast carcinoma: This is indicated by the negative correlation between total protein content and the content of AGE (r = −0.83, p < 0.00001), MDA (r = −0.41, p = 0.0454), and TAS (r = −0.67, p = 0.0013) in the unstimulated saliva of BRCA1+ patients with breast cancer.