3.2.2.21 brain - 646881 3.2.2.21 epithelial cell normal, malignant and immortalized breast cells 646879 3.2.2.21 heart - 646881 3.2.2.21 kidney - 646881 3.2.2.21 lung - 646881 3.2.2.21 lymphocyte - 668214 3.2.2.21 MCF-7 cell - 646879 3.2.2.21 MCF10A cell immortalized, non-transformed breast epithelial cell line 646879 3.2.2.21 MDA-MB-231 cell - 646879, 646893 3.2.2.21 muscle - 646881