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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Sledování imunomodulačních účinků extraktů z helminta na makrofágové buněčné kultuře
 ŘEŽÁBKOVÁ, Lucie
The main aim of the present study was to determine the immunomodulatory effects of extracts obtained from the commensal helminth, Hymenolepis diminuta, on in vitro rat macrophages. Here, I tested two types of crude extracts derived from various tapeworm's life stages (larval stages, adults) and excretory/secretory products (ES-products). The in vitro inflammatory model was induced by bacterial lipopolysaccharides (LPS) to compare the results with normal state of macrophages. To monitoring immune response, I analysed the relative gene expressions of several cytokines TNF, IL-10, IL-1; signal transducer and activator of transcription STAT6 as well as IL-17re using by qPCR. The presence of adult extracts caused no obvious immune response of macrophages. The larval extract and ES-products induced an inflammatory response. All three types of compounds derived from H. diminuta reduced the inflammation of macrophages influenced by LPS.
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Imunomodulační účinky extraktů z helminta na střevní buněčnou linii potkaního modelu
 LEVÁ, Jana
In this study, we examined the immunomodulatory effect of excretory/secretory products, crude adult extracts and crude larvae extracts from Hymenolepis diminuta on the intestinal epithelilal cell line from a rat. For determination of the immunomodulation effect of all H. diminuta extracts was used relative gene expression of TNFa, IL-17re and IL-33 from epithelial cells and it was tested using real-time PCR. Our result showed that excretory/secretory products had the strongest antiinflammatory effect on the epithelial cells. We assume that crude adult extracts play an important role in increase of gene expression of IL-33 and also in the immunomodulatory ability of H. diminuta in the host organism.
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