From: Gene promoter hypermethylation in ductal lavage fluid from healthy BRCAgene mutation carriers and mutation-negative controls
Group
n
Frequency of hypermethylated genes (percentage)
HIN-1
RAR-β
Twist
Cyclin D2
BRCA carriers
19
5 (26)
4 (21)
3 (16)
1 (5)
Controls
5
0 (0)