Koc, CemalettinAkbulut, SamiSarici, Kemal BarisUremis, Muhammed MehdiDogan, Ufuk GunayKucukakcali, ZeynepGarzali, Ibrahim Umar2024-08-042024-08-0420230041-13451873-2623https://doi.org/10.1016/j.transproceed.2022.11.013https://hdl.handle.net/11616/101105Background. To reveal any difference in terms of heavy metal and antioxidant/oxidant levels of liver tissues obtained from 3 different locations of hepatectomy specimens of patients with Methods. Total hepatectomy materials of patients who underwent liver transplantation for HCC were objects of this study. Three liver tissue samples were obtained from each material, one from HCC tissue, one adjacent from the border of HCC, and one at least 3 cm distant from HCC, each 10 & POUND; 10 mm in diameter. Samples are preserved at -70 & DEG;C. Levels of heavy metals (As, Cd, Cu, Mn, Pb, Se, and Zn) and oxidant-antioxidant parameters (catalase, glutathione perand disulphid) are measured. Results. This study included 22 patients (18 men, 4 women with an age range of 3 to 66 years. There were significant differences in terms of Cd, Pb, Zn, GSHPx, SOD, nitric oxide, and native thiol levels between liver tissues derived from 3 different locations. Cd, Pb, and Zn levels were significantly different in tumor tissues, whereas GSHPx and SOD levels were significantly different in tumor and neighboring tissues. Nitric oxide levels were relatively different in tumor tissues compared with tumor-neighboring tissues. Native thiol levels differed significantly in tumor tissues compared with tissues distant from tumor. Conclusions. The aim of this study is unique in medical literature, which reveals that the amount of heavy metals and antioxidant/oxidant accumulation are variable in the same liver tissue in different locations because of multiple and yet unknown factors.eninfo:eu-repo/semantics/closedAccessAssayCadmiumCancerRedoxArticle555126212663660425310.1016/j.transproceed.2022.11.0132-s2.0-85146018346Q3WOS:001032946400001Q4