In a method embodiment, a method includes introducing a plurality of Ideotypically Modulated Pharmacoeffectors (IMP) into a population of cells. Each IMP may include a detection domain and an activation domain. One or more epitopes is bound by the detection domain. The activation domain is activated in response to the binding. Applications may include but are not limited to viral infections, other intracellular infections, cancers, vector-borne diseases, autoimmune diseases, cellular diseases, cellular enhancement, and research.