ENTPD7 is an ectonucleoside triphosphatase that catalyzes calcium- or magnesium-dependent hydrolysis of nucleoside triphosphates and diphosphates, with preferential substrate specificity for UTP > GTP > CTP [NCBI]. The enzyme functions as a membrane-associated nucleotide-converting ectoenzyme that regulates extracellular ATP levels and prevents excessive immune cell activation 1. Clinically, ENTPD7 exhibits pleiotropic disease associations. ENTPD7 upregulation is causally implicated in colonic diverticulosis pathogenesis through tissue remodeling mechanisms affecting stromal and epithelial cells 2. In lung cancer, ENTPD7 overexpression correlates with poor patient survival, and ENTPD7 silencing inhibits cancer cell proliferation and promotes apoptosis via suppression of the Ras/Raf/MEK/ERK signaling pathway 3. ENTPD7 also functions as a senescence regulator: in hepatocellular carcinoma models, ENTPD7 expression re-establishes oncogene-induced senescence through effects on oxidative stress and DNA damage 4. Additionally, ENTPD7 serves as a shared immune biomarker in necrotizing enterocolitis and neonatal sepsis 5, was identified in aortic dissection ceRNA networks 6, and shows elevated expression following meningococcal vaccination 7. These diverse associations suggest ENTPD7 plays context-dependent roles in tissue remodeling, cancer biology, senescence regulation, and immune responses.