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Abstract Recently, it has been demonstrated that family 2 cystatins upregulate interleukin-6 production by human gingival fibroblasts. In the present study, we investigated the effects of cystatin SA on cytokine production by helper T cells. Human CD4-positive T cells were cultured with...
Abstract Pathways that regulate the activation of NF-κB/Rel transcription factors are known to include signaling through a number of cytokine receptors. Interleukin 7 (IL-7), produced by bone marrow and other stromal cells, is a key factor for differentiation and survival in the lymphoid and...
Abstract Human plasma α1-antitrypsin inhibits human pancreatic trypsin, chymotrypsin and elastase, which are massively released into the blood stream during acute pancreatitis. To examine whether the plasma proteins of individuals with genetic deficiency of α1-antitrypsin are protected against...
Abstract LFMA13, or α-cyano-β-hydroxy-β-methyl-N-(2,5-dibromophenyl)propenamide, was shown to inhibit Brutons tyrosine kinase (Btk). Here we show that LFM-A13 efficiently inhibits erythropoietin (Epo)-induced phosphorylation of the erythropoietin receptor, Janus kinase 2 (Jak2) and downstream...
Abstract Our study was aimed at examinating whether or not the human genome encodes for previously unreported cysteine cathepsins. To this end, we used analyses of the genome sequence and mRNA expression levels. The program TBLASTN was employed to scan the draft sequence of the human genome for...
Abstract Specific IgE binding to carbohydrate moieties of glycosylated allergens has been known for years, but the importance of these structures for the elicitation of allergic reactions is still a matter of debate. Because of their conserved carbohydrate structures, especially N-glycans have...
Abstract Escherichia coli signal peptidase I (leader peptidase, SPase I) is an integral membrane serine protease that catalyzes the cleavage of signal (leader) peptides from preforms of membrane or secretory proteins. We previously demonstrated that E. coli SPase I was significantly inactivated...
Abstract Preparations of new low molecular weight protein inhibitors of serine proteinases have been obtained from buckwheat Fagopyrum esculentum seeds by chromatography of seed extracts on trypsinSepharose 4B, MonoQ and MonoS ionexchangers. Their molecular masses, determined by mass...
Abstract The expression of cathepsins K, L, B, X and W was studied by quantitative RT-PCR in normal and inflamed gastric mucosa (antrum, corpus, cardia). Cathepsins B, L, K and X were expressed ubiquitously. In contrast, cathepsin W was expressed at very low levels. Infection by Helicobacter...
Abstract Molecular imaging, including reporter gene methods, provides a unique opportunity to study biology in a living subject, thereby allowing physiological events to be monitored in an intact microenvironment. This review takes a molecular and cell biology perspective on recent studies which...
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