VNN2 and neoplasm: VNN2 protein belongs to a novel glycosylphosphatidyl-inositol‐anchored protein member of the VNN family (belongs to a wider pantetheinase family) that serves an important role in transendothelial migration of cells and participates in regulating neutrophil trafficking and adherence [54,55], also serve a role in redox regulation, which may be associated with tumor progression in vitro [56].