LCN2 and neoplasm: In some studies, the expression level of Proteasome Subunit beta 8 (PSMB8) [133], Lipocalin 2 (LCN2) [134], T Cell Immunoreceptor with Ig and ITIM Domains (TIGIT) [135], High Mobility Group Box (HMGBs) proteins [136], and others were found to be greater in tumor tissue as compared to normal tissue [134].