UPP1 and cancer: Assessment of UPP1 expression in fibroblasts found that although fibroblasts can express UPP1, levels are not upregulated in cancer-associated fibroblasts by comparison to their normal counterparts (Appendix Table S4) (Data Ref: (Jaeschke et al, 2020; Manousopoulou et al, 2018; Torres et al, 2013)).