ERBB2 and breast cancer: Suppression of ErbB2 breast cancer by the MEDICA analogue HOOC-C(CH3)2-CH2)12-C(CH3)2-COOH in vivo has been verified in 4-month FVB MMTV-ErbB2/neu transgenic mice [27] treated with MEDICA in feed for 8 weeks (Fig. 1).