SNPH and neoplasm: Syntaphilin is a negative regulator of tumor cell migration and invasion, and the protein is connected with the tubulin transport of vesicles and was formerly thought to play a role exclusively in neurons; however, recent research revealed that it may be functional in other cell types (Caino et al., 2016; Caino et al., 2017; Seo et al., 2018; Hwang et al., 2019; Furnish and Caino, 2020; Chen et al., 2021).