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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Effect of biological treatment and body constitution on in vitro osteoclastogenesis from peripheral precursors in axial spondylarthritisis
 Beránková, Martina ; Daňková, Pavlína (advisor) ; Rossmeislová, Lenka (referee)
Introduction: Biological therapy is becoming a common approach to stop disease progression and suppress symptoms of axial spondyloarthritis, an inflammatory rheumatic disease characterized by bone loss due to dysregulation of bone turnover and increased osteoclast differentiation. Obesity likely affects bone metabolism through multiple mechanisms. It can promote adipocyte differentiation and fat accumulation while inhibiting osteoblast differentiation and bone formation. Additionally, obesity is closely associated with chronic inflammation, which can enhance osteoclast activity and bone resorption. This master's thesis aims to examine the potential influence of excessive adiposity on the osteoclastogenesis process among patients receiving biological therapy for axial spondyloarthritis. Materials and methods: Monocytes isolated from the peripheral blood of patients with axial spondyloarthritis undergoing biological therapy and healthy donors were stimulated in vitro with pooled sera from patients receiving biological treatment, patients with different type of treatment, and healthy controls for a duration of 7-14 days. Osteoclasts were evaluated as multinucleated, TRAP-positive cells, and their numbers were subjected to statistical analysis. Markers of bone metabolism and inflammation were assessed...
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Effect of selected inflammatory agents on the osteoclastogenesis
 Škubica, Patrik ; Daňková, Pavlína (advisor) ; Hušáková, Markéta (referee)
Introduction: Bone is a highly active tissue throughout life and is a subject to constant remodelling. Main cells responsible for continuous resorption and de novo synthesis of bone matrix are osteoclast, osteoblasts and osteocytes. Osteoclasts are the only known type of cells able to resorb bone. These cells are formed by fusion of precursor cells in bone marrow or peripheral blood in a process called osteoclastogenesis. Formation of osteoclasts may be of importance concerning chronic inflammatory diseases that are linked with higher risk of developing osteoporosis during lifespan. Celiac disease is one of those diseases, which is characterized by destruction of intestinal mucosa after ingestion of gluten by susceptible individuals followed by induction of chronic inflammation. In this work, we focused on the potential role of osteoclastogenesis in the development of osteoporosis in patients with celiac disease and we studied roles of selected inflammatory agents (TNF-α, IL-6, IFN-γ a cfDNA) with supposed or hypothesised effects on osteoclastogenesis. Material & Methods: We obtained plasma and serum samples from newly diagnosed patients with celiac disease, patients on gluten free diet and healthy controls and analysed concentrations of cfDNA and inflammatory cytokines TNF-α, IL-6 and IFN-γ in...
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