The present invention includes compositions and methods for treating a breast cancer cell, a metastatic breast cancer cell, or a triple negative breast cancer cell comprising: identifying a subject in need for treatment for a breast cancer cell, a metastatic breast cancer cell, or a triple negative breast cancer cell； and administering a therapeutically effective amount of a formulation that leads to the presentation of an immunogenic SP17 protein or peptide antigen on an antigen presenting cell to activate T cells that are SP17-specific T cells, wherein the SP17-specific T cells impair the growth of the breast cancer cell, the metastatic breast cancer cell, or the triple negative breast cancer cell growth.
