The present disclosure provides compositions and methods of treating Breast Cancer. Disclosed is a nanoparticle paired to at least one of W genetic materials that suppress key regulators of fat synthesis (e.g. Rev-erb) to cause a predefined target cell types apoptosis or X predefined targeting moieties that cause predefined target cell types apoptosis and correspond to Y predefined target parameters associated with Z predefined target cell types in connection with treatment of at least one of the following breast cancer, glioblastoma, head and neck cancer, pancreatic cancer, lung cancer, cancer of the nervous system, gastrointestinal cancer, prostate cancer, ovarian cancer, kidney cancer, retina, cancer, skin cancer, liver cancer, genital.