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- W3048796029 abstract "Aim. To assess the relationship between isolated and combined expression of pSTAT3, pACT1 in tumor cells with the survival of patients with diffuse large B-cell lymphoma (DLBCL).
 Methods. The study included 100 patients with the first diagnosed diffuse large B-cell lymphoma, observed in the institute's clinic between 2010 and 2018 who received standard first-line R-CHOP (rituximab + cyclophosphamide, doxorubicin, vincristine and prednisone) chemotherapy. The relative number of expressing pSTAT3 and pAKT1 tumor cells was determined by using immunohistochemical and morphometric methods. The optimal cut-off level of expression on tumor cells estimated by using receiver operating characteristic (ROC) curve analysis for pSTAT3 was 68% and for pACT1 70%. Given these values, all patients with DLBCL were divided into groups with a high and low degree of expression of the biomarkers. As a result, 53 patients were enrolled in the pSTAT3 high expression group (68% tumor cells) and 47 patients to the pSTAT3 low expression group (68% tumor cells). Spearmans correlation coefficient was used to examine relationships. Overall survival and event-free survival were estimated by KaplanMeier curves. The log-rank test was used for groups comparison.
 Results. The five-year overall survival rate in the pSTAT3 high expression group was 55% versus 87% in the low expression group, p=0.015. A significant difference was found in the assessment of event-free survival: 43% for the group of pSTAT3 high expression, 66% for the group of low expression, p=0.011. A statistically significant value of a high level of pACT1 expression was revealed for 5-year overall and event-free survival (p 0.001 and p=0.003). Overall survival rate was 81% for the pACT1 low expression group and 43% for the high expression group while event-free survival rate was 64 and 41%, respectively. Also, patients with рАКТ1+/рSTAT3+ (high level) co-expression had extremely low rates of overall and event-free survival rates compared with the рАКТ1/рSTAT3 (low level) group (p=0.001; p 0.001).
 Conclusion. The pSTAT3 and pAKT1 biomarkers can be used as additional prognosis criteria for diffuse large B-cell lymphoma." @default.
- W3048796029 created "2020-08-18" @default.
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- W3048796029 date "2020-08-12" @default.
- W3048796029 modified "2023-09-27" @default.
- W3048796029 title "Association of expression of pSTAT3, pAKT1 with the survival of patients with diffuse large B-cell lymphoma" @default.
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- W3048796029 doi "https://doi.org/10.17816/kmj2020-501" @default.
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