STMN1 and cancer: Vetter et al. found that the miR-34a/STMN1/β3-Tubulin axis could regulate the microtubule network of tumor cells in osteosarcoma, whereby miR-34a directly inhibited STMN1 expression and upregulated β3-Tubulin, leading to microtubule network disruption and cancer cell death [20].