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Protein-protein interactions are the key to organizing cellular processes in space and time. The only direct way to identify such interactions in their cellular environment is by photo-cross-linking. Here we present a new strategy for photo-cross-linking proteins in living cells. We designed two new photoactivatable amino acids that we termed(More)
OBJECTIVE To test the hypotheses that 1) proinflammatory cytokines affect osteoprotegerin (OPG) and soluble receptor activator of nuclear factor kappa B ligand (sRANKL) production and therefore the OPG and sRANKL levels differ in rheumatoid arthritis (RA) patients in comparison with healthy individuals; and 2) anti-tumor necrosis factor alpha (anti-TNF(More)
PURPOSE The unique mechanism of tumor destruction by photodynamic therapy (PDT), resulting from apoptotic and necrotic killing of tumor cells accompanied by local inflammatory reaction and induction of heat shock proteins (HSPs), prompted us to investigate the antitumor effectiveness of the combination of PDT with administration of immature dendritic cells(More)
TLR9 recognizes unmethylated CpG-rich, pathogen-derived DNA sequences and represents the component of the innate immune system that heavily influences adaptive immunity and may contribute to the immunological disturbances in rheumatoid arthritis (RA). Accumulating data indicate that BM of RA patients participates in the pathogenesis of this disease as a(More)
OBJECTIVES (1) To compare the absolute T-cell numbers in bone marrow (BM) isolated from patients with rheumatoid arthritis (RA) and osteoarthritis (OA); (2) to measure the levels of soluble interleukin 15 (IL-15) and IL-7; (3) to analyse the expression of activation markers on T cells; (4) to analyse influence of IL-15 stimulation on T-cell proliferation.(More)