BACKGROUND Hepatocellular carcinoma(HCC)incidence continues to rise,yet treatment options remain limited.Despite recent advances in early screening methods,most patients are still diagnosed at an advanced stage with p...BACKGROUND Hepatocellular carcinoma(HCC)incidence continues to rise,yet treatment options remain limited.Despite recent advances in early screening methods,most patients are still diagnosed at an advanced stage with poor prognosis.Therefore,accurate assessment of prognostic risk using molecular biomarkers is essential for the development of personalized treatment strategies.AIM To investigate the correlation between serum aldo-keto reductase family 1 member B10(AKR1B10)levels and clinicopathological characteristics and prognosis in patients with HCC,and to evaluate the potential clinical value of AKR-1B10 as a prognostic biomarker.METHODS A total of 102 patients with HCC admitted to the Affiliated Hospital of Chengde Medical University between May 2020 and May 2024 were enrolled as study subjects.Complete clinical data and survival follow-up information were collected.Based on the optimal cutoff value for serum AKR1B10 levels in diagnosing HCC(1584.97 pg/mL),determined using receiver operating characteristic curve analysis,patients were divided into a high-level group(≥1584.97 pg/mL,n=75)and a low-level group(<1584.97 pg/mL,n=27).AKR1B10 levels were measured using enzyme-linked immunosorbent assay.In 41 patients who underwent surgical resection,serum AKR1B10 levels were measured preoperatively and at 1-2 days and 3-4 days postoperatively.Theχ2 test or Fisher’s exact test was used to compare categorical data between the two groups.Survival analysis was performed using the Kaplan-Meier method,with intergroup comparisons performed using the log-rank test.Cox univariate and multivariate regression analyses were used to identify independent prognostic factors,and the Friedman test was used to compare serum AKR1B10 levels at different postoperative time points.RESULTS Significant differences were observed between the AKR1B10 high-level and low-level groups in tumor size(χ2=3.999,P<0.05),ascites(χ2=3.902,P<0.05),and Barcelona Clinic Liver Cancer stage(χ2=3.987,P<0.05).The median survival was 17.0 months in the high-level group,significantly shorter than that in the low-level group(32.0 months;χ2=6.172,P<0.05).Multivariate Cox regression analysis indicated that serum AKR1B10 level(hazard ratio=1.819,95%confidence interval:1.009-3.280,P<0.05)and ascites(hazard ratio=1.810,95%confidence interval:1.017-3.223,P<0.05)were independent factors influencing survival in patients with HCC.Additionally,serum AKR1B10 levels were significantly decreased at 1-2 days postoperatively in the 41 patients who underwent surgery,with a continued downward trend at 3-4 days postoperatively(χ2=82.000,P<0.01).CONCLUSION Serum AKR1B10 is an independent risk factor for prognosis in HCC,and high AKR1B10 levels are associated with unfavorable survival outcomes,indicating its potential value as a biomarker for prognostic risk assessment in patients with HCC.展开更多
Cu–Ni and Cu–Co–Ni superhydrophobic films were constructed on the surface of B10 copper–nickel alloy welded joints using a two-step process of electrodeposition and stearic acid modification.The chemical compositi...Cu–Ni and Cu–Co–Ni superhydrophobic films were constructed on the surface of B10 copper–nickel alloy welded joints using a two-step process of electrodeposition and stearic acid modification.The chemical composition of the film surface was determined using surface characterization techniques.The corrosion resistance of the films was characterized using electrochemical impedance spectroscopy,potentiodynamic polarization,and scanning Kelvin probe microscopy at multiple scales.The thermal stability,mechanical stability,and self-cleaning properties of the films were also characterized.It was determined that the Cu–Co–Ni superhydrophobic film exhibited the best performance,with a static water contact angle of 159.3°,a roll-off angle of 2.3°,a charge transfer resistance 3300 times higher than the substrate,a self-corrosion current density nearly three orders of magnitude lower,and a surface Kelvin potential increase of 420 mV.The film demonstrated good thermal stability,excellent mechanical stability,and outstanding self-cleaning properties.Combining with previous studies,it was found that Co elements in the film contribute to the formation of a uniform and dense film,Ni elements enhance the adhesion and corrosion resistance between the films,and the combination of Co and Ni elements promotes uniform surface potential and further improves the corrosion resistance and interfilm adhesion of the films.展开更多
基金Supported by the Science and Technology Program of Chengde,No.202109A064.
摘要BACKGROUND Hepatocellular carcinoma(HCC)incidence continues to rise,yet treatment options remain limited.Despite recent advances in early screening methods,most patients are still diagnosed at an advanced stage with poor prognosis.Therefore,accurate assessment of prognostic risk using molecular biomarkers is essential for the development of personalized treatment strategies.AIM To investigate the correlation between serum aldo-keto reductase family 1 member B10(AKR1B10)levels and clinicopathological characteristics and prognosis in patients with HCC,and to evaluate the potential clinical value of AKR-1B10 as a prognostic biomarker.METHODS A total of 102 patients with HCC admitted to the Affiliated Hospital of Chengde Medical University between May 2020 and May 2024 were enrolled as study subjects.Complete clinical data and survival follow-up information were collected.Based on the optimal cutoff value for serum AKR1B10 levels in diagnosing HCC(1584.97 pg/mL),determined using receiver operating characteristic curve analysis,patients were divided into a high-level group(≥1584.97 pg/mL,n=75)and a low-level group(<1584.97 pg/mL,n=27).AKR1B10 levels were measured using enzyme-linked immunosorbent assay.In 41 patients who underwent surgical resection,serum AKR1B10 levels were measured preoperatively and at 1-2 days and 3-4 days postoperatively.Theχ2 test or Fisher’s exact test was used to compare categorical data between the two groups.Survival analysis was performed using the Kaplan-Meier method,with intergroup comparisons performed using the log-rank test.Cox univariate and multivariate regression analyses were used to identify independent prognostic factors,and the Friedman test was used to compare serum AKR1B10 levels at different postoperative time points.RESULTS Significant differences were observed between the AKR1B10 high-level and low-level groups in tumor size(χ2=3.999,P<0.05),ascites(χ2=3.902,P<0.05),and Barcelona Clinic Liver Cancer stage(χ2=3.987,P<0.05).The median survival was 17.0 months in the high-level group,significantly shorter than that in the low-level group(32.0 months;χ2=6.172,P<0.05).Multivariate Cox regression analysis indicated that serum AKR1B10 level(hazard ratio=1.819,95%confidence interval:1.009-3.280,P<0.05)and ascites(hazard ratio=1.810,95%confidence interval:1.017-3.223,P<0.05)were independent factors influencing survival in patients with HCC.Additionally,serum AKR1B10 levels were significantly decreased at 1-2 days postoperatively in the 41 patients who underwent surgery,with a continued downward trend at 3-4 days postoperatively(χ2=82.000,P<0.01).CONCLUSION Serum AKR1B10 is an independent risk factor for prognosis in HCC,and high AKR1B10 levels are associated with unfavorable survival outcomes,indicating its potential value as a biomarker for prognostic risk assessment in patients with HCC.
基金fnancial support by the National Natural Science Foundation of China(Grant No.42176209)the Natural Science Foundation of Shandong Province(Grant No.ZR2021MD064).
摘要Cu–Ni and Cu–Co–Ni superhydrophobic films were constructed on the surface of B10 copper–nickel alloy welded joints using a two-step process of electrodeposition and stearic acid modification.The chemical composition of the film surface was determined using surface characterization techniques.The corrosion resistance of the films was characterized using electrochemical impedance spectroscopy,potentiodynamic polarization,and scanning Kelvin probe microscopy at multiple scales.The thermal stability,mechanical stability,and self-cleaning properties of the films were also characterized.It was determined that the Cu–Co–Ni superhydrophobic film exhibited the best performance,with a static water contact angle of 159.3°,a roll-off angle of 2.3°,a charge transfer resistance 3300 times higher than the substrate,a self-corrosion current density nearly three orders of magnitude lower,and a surface Kelvin potential increase of 420 mV.The film demonstrated good thermal stability,excellent mechanical stability,and outstanding self-cleaning properties.Combining with previous studies,it was found that Co elements in the film contribute to the formation of a uniform and dense film,Ni elements enhance the adhesion and corrosion resistance between the films,and the combination of Co and Ni elements promotes uniform surface potential and further improves the corrosion resistance and interfilm adhesion of the films.