From 2001 to 2006, Menendez et al. conducted a series of studies confirming that MUFA OA and PUFAs including ALA, GLA, and DHA sensitize breast cancer cells to docetaxel, paclitaxel, vinorelbine or trastuzumab by decreasing the expression of HER2 [243–247]. Here, ERBB2 is linked to breast cancer.