So far, there are 2 main types of targeted therapy drugs: monoclonal antibodies that target extracellular regions of surface receptors, in addition to tyrosine and serine threonine kinase inhibitors.[1] Targeted therapy, which can disrupt the signal transduction of tumor cells and inhibit the proliferation of tumor cells, is both more efficient and safer than conventional cytotoxic chemotherapy drugs. Here, MARK2 is linked to neoplasm.