ω‐6 Polyunsaturated fatty acid γ‐linolenic acid (18:3n‐6) is a selective estrogen‐response modulator in human breast cancer cells: γ‐Linolenic acid antagonizes estrogen receptor‐dependent transcriptional activity, transcriptionally represses estrogen receptor expression and synergistically enhances tamoxifen and ICI 182,780 (Faslodex) efficacy in human breast cancer cells | Publicación