Anna Kaisa Pasanen

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Although oxidative stress plays an important role in the biology of solid malignant tumors, little is known about oxidative stress in hematological malignancies. In this study, we evaluated the immunohistochemical expression and clinical correlations of oxidative stress markers and several essential antioxidant enzymes in B-cell lymphomas. Paraffin-embedded(More)
Diffuse large B-cell lymphomas (DLBCLs) are a heterogeneous group of lymphomas, with no accepted biological prognostic markers in routine clinical practice. Previously, matrix metalloproteinase (MMP-9), tissue inhibitors of matrix metalloproteinase (TIMP)- 1 and non-germinal center (GC) phenotype have been shown to associate with poor prognosis in DLBCL(More)
UNLABELLED BACKGROUND Oxidative stress and redox-regulating enzymes may have roles both in lymphomagenesis and resistance to lymphoma therapy. Previous studies from the pre-rituximab era suggest that antioxidant enzyme expression is related to prognosis in diffuse large B-cell lymphoma (DLBCL), although these results cannot be extrapolated to patient(More)
OBJECTIVES The cell cycle is under strict regulation by the retinoblastoma, p53 and p27 pathways, and the disruption of these pathways is an important characteristic of diffuse large B-cell lymphoma (DLBCL). In this study, we wanted to assess the function and prognostic significance of these pathways in DLBCL patients. METHODS Tissue samples from 120(More)
Central nervous system (CNS) relapse occurs in around 5% of diffuse large B-cell lymphoma (DLBCL) cases. No biomarkers to identify high-risk patients have been discovered. We evaluated the expression of lymphocyte-guiding chemokine receptors in systemic and CNS lymphomas. Immunohistochemical staining for CXCR4, CXCR5, CCR7, CXCL12, and CXCL13 was performed(More)
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