We next assessed the endogenous expression of miR-17 and MICA/B in seven breast cancer cell lines (BCap37, MDA-MB-231, MDA-MB-468, Hs 578T, SK-BR-3, BT-474 and MCF-7) and two normal breast cell lines (HBL-100 and Hs 578Bst). Here, MICA is linked to breast cancer.