Małgorzata Rogalińska

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To improve the efficacy of therapeutic options in chronic lymphocytic leukemia (CLL) an in vitro system to determine the response of mononuclear blood cells from blood of patients was elaborated. The study combines four approaches, i.e., cell viability, apoptosis rate, differential scanning calorimetry (DSC), and immunoblotting to develop personalized(More)
Chronic lymphocytic leukemia (CLL) is the most frequent type of hematological cancer in the Western World. An accumulation of leukemic cells in peripheral blood of patients is a result of apoptosis disturbances as well as an increase in germinal centers CLL cell proliferation. The differences between CLL patients in the course and response to therapy(More)
Since late 90s of last century the new age of directed therapy began using mainly biological constructs produced in rodents called monoclonal antibodies. The side effects of monoclonal antibodies were a challenge for pharmaceutical companies to improve the biological properties of these biological drugs. The humanization of monoclonal constructs was an idea(More)
Our previous data have shown some differences in electrophoretic characteristics of proteins from cellular fractions (nuclear, mitochondrial, microsomal and cytosolic) isolated from peripheral blood mononuclear cells of B-cell chronic lymphocytic leukemia (B-CLL), acute lymphoblastic leukemia (ALL) patients and healthy donors. The main differences were(More)
The differences in clinical course of chronic lymphocytic leukemia could have an impact on variations in a patient's response to therapy. Our published results revealed that thermal transition (95 ± 5°C) in differential scanning calorimetry profiles appear to be characteristic for the advanced stage of CLL. Moreover, a decrease/loss of this transition in(More)
Two-dimensional polyacrylamide gel electrophoresis was used to compare the composition of nuclear proteins from normal and B-chronic lymphocytic leukaemia (B-CLL) mononuclear cells. Some differences in the electrophoretic behaviour of these proteins from normal and transformed cells, especially with molecular weights/pI of 14-16 kD/5.9-7.4; 28-32(More)
Proapoptotic activity of anti-CD52 monoclonal antibody, alemtuzumab (ALT) as well as ALT-affected apoptosis-regulatory mechanisms were assessed in tumor cells from 36 patients with chronic lymphocytic leukemia (CLL). Cells were treated in vitro for 24-48 h with ALT alone or in combination with rituximab (RTX), or purine nucleoside analogues (PNA),(More)
Chronic lymphocytic leukemia (CLL) is characterized by the accumulation of malignant, apoptosis-resistant B CD19(+)/CD5(+) cells. Populations of CLL cells are heterogeneous and consist primarily of quiescent cells with a minor subset of dividing cells. In this study the efficacy of a first-line in vivo therapy was compared with treatment by R-roscovitine(More)
BACKGROUND The heterogeneity of chronic lymphocytic leukemia (CLL) is thought to be due to differences in the expression of factors that regulate apoptosis and cell cycle, giving rise to diverse apoptotic disturbances and tumor properties. Therefore, the primary goal in CLL treatment is to overcome resistance to apoptosis and efficiently trigger this(More)
There is individual variation in the course of disease development and response to therapy of patients with chronic lymphocytic leukemia (CLL). Novel treatment options for CLL include a new generation of purine analogs, antibodies and inhibitors of specific cell signaling pathways, which typically induce apoptosis or necrosis. A prospective analysis of(More)