Anticancer research · 2018
Strong Prolyl Hydroxylase Domain 1 Expression Predicts Poor Outcome in Radiotherapy-treated Patients with Classical Hodgkin's Lymphoma.
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Bur Hamid, Haapasaari Kirsi-Maria, Turpeenniemi-Hujanen Taina, Kuittinen Outi, Auvinen Päivi, Marin Katja, Soini Ylermi, Karihtala Peeter
Аннотация
BACKGROUND: Hypoxia-inducible factors (HIFs) and prolyl hydroxylase domain (PHD) proteins control cellular oxygen homeostasis and a wide range of other processes.
MATERIALS AND METHODS: We immunohistochemically assessed the expression of HIF1α, HIF2α, PHD1, PHD2 and PHD3 in 115 cases of classical Hodgkin's lymphoma, all treated in the first line with doxorubicin, bleomycin, vinblastine and darcabazine (ABVD) chemotherapy.
RESULTS: In advanced-stage patients treated with involved-field radiotherapy (IFRT), nuclear HIF1α expression in reactive cellular infiltrate predicted prolonged relapse-free survival (RFS) (p=0.026). Strong cytoplasmic PHD1 expression in Reed-Sternberg cells was associated with poor RFS among patients treated with IFRT and advanced-stage patients treated with ABVD and IFRT (p=0.0028 and p=0.0058, respectively). In Cox regression analysis, PHD1 was a more significant predictor of relapse (risk ratio=18.383; 95% confidence interval(CI)=1.521-222.246; p=0.022) than the International Prognostic Score.
CONCLUSION: HIF and PHD expression appear to be novel prognostic biomarkers in classical Hodgkin's lymphoma.
MATERIALS AND METHODS: We immunohistochemically assessed the expression of HIF1α, HIF2α, PHD1, PHD2 and PHD3 in 115 cases of classical Hodgkin's lymphoma, all treated in the first line with doxorubicin, bleomycin, vinblastine and darcabazine (ABVD) chemotherapy.
RESULTS: In advanced-stage patients treated with involved-field radiotherapy (IFRT), nuclear HIF1α expression in reactive cellular infiltrate predicted prolonged relapse-free survival (RFS) (p=0.026). Strong cytoplasmic PHD1 expression in Reed-Sternberg cells was associated with poor RFS among patients treated with IFRT and advanced-stage patients treated with ABVD and IFRT (p=0.0028 and p=0.0058, respectively). In Cox regression analysis, PHD1 was a more significant predictor of relapse (risk ratio=18.383; 95% confidence interval(CI)=1.521-222.246; p=0.022) than the International Prognostic Score.
CONCLUSION: HIF and PHD expression appear to be novel prognostic biomarkers in classical Hodgkin's lymphoma.
Предметные рубрики MeSH
AdolescentAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsBasic Helix-Loop-Helix ProteinsBiomarkers, TumorBleomycinCell HypoxiaDacarbazineDoxorubicinFemaleHodgkin DiseaseHumansHypoxia-Inducible Factor 1, alpha SubunitHypoxia-Inducible Factor-Proline DioxygenasesMaleMiddle AgedProlyl HydroxylasesRetrospective StudiesTreatment OutcomeVinblastineYoung AdultEndothelial PAS Domain-Containing Protein 1