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BACKGROUND Rituximab is used in the treatment of CD20+ B cell lymphomas and other B cell lymphoproliferative disorders. Its clinical efficacy might be further improved by combinations with other drugs such as statins that inhibit cholesterol synthesis and show promising antilymphoma effects. The objective of this study was to evaluate the influence of(More)
Photofrin-based photodynamic therapy (PDT) has recently been approved for palliative and curative purposes in cancer patients. It has been demonstrated that neutrophils are indispensable for its anti-tumour effectiveness. We decided to evaluate the extent of the anti-tumour effectiveness of PDT combined with administration of granulocyte colony-stimulating(More)
The potential role of genetically inappropriate histocompatibility antigens on tumor cells as immunogens and targets for immunotherapy is reviewed. The evidence for immunologic mediation of tumor resistance following individual and pool alloimmunization both in vivo in murine and in vitro in murine and human systems is presented. The antileukemic reaction(More)
Children on continuous ambulatory peritoneal dialysis (CAPD) in endstage renal failure are highly exposed to peritonitis. Peritoneal macrophages (PM) and blood neutrophils (PMNC) are the first line of defense against invading microbes. This study was undertaken for assessing surface receptors expression on PM and PMNC and to check their ability to(More)
OBJECTIVE The aim of the study was to investigate whether the G-174C polymorphism of the IL-6 gene is related to obesity and the incidence of the metabolic syndrome (MetS) according to IDF definition in children. MATERIALS AND METHODS The examined group included 124 obese children with BMI > or = 2 SDS, and the control group consisted of 56 non-obese(More)
BACKGROUND Obesity development is a complex process which can be influenced by genetic predisposition modified by environmental factors. Nowadays, the problem of overweight and obesity, including related complications, occurs in increasingly younger children. Thus, there is a need for new genetic markers of increased risk of excessive body mass. OBJECTIVE(More)
The effects of low-level laser light irradiation are debatable and the mechanisms of its action are still unclear. This study was conducted to test the effects of low-level laser irradiation on human blood cells: erythrocytes, granulocytes, and lymphocytes. Whole blood obtained by phlebotomy was irradiated at 632.8 nm by using energy fluences 0.6 J/cm2. An(More)
Increased susceptibility to infections can be a consequence of altered function of immune cells including neutrophils. The goal of the study was to evaluate the process of neutrophil activation via Ca(2+)-mediated signal. The study was performed on isolated peripheral blood neutrophils obtained from 41 children with recurrent infections (21 girls, 20 boys)(More)
Leptin is an adipocyte-derived hormone regulating energy homeostasis and body weight. Leptin concentration is increased in patients with the obstructive sleep apnea syndrome (OSAS). Leptin receptor (LEPR) is a single transmembrane protein belonging to the superfamily of cytokine receptors related by a structure to the hemopoietin receptor family. The aim of(More)
Aside from its well-known anticoagulant action, heparin has many other biologic effects. Recent data emphasize the immunomodulatory effects of low dose heparin. The agent alters the traffic of lymphocytes blocking their expression of heparanase, an enzyme that digests the extracellular matrix allowing cell penetration to target tissues. It also has a weak(More)