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Endogenous peptides bound to the constitutively expressed MHC class II molecules HLA-DR and HLA-DQ of the melanoma cell line FM3 were examined. By a combination of analytical methods (narrow bore and capillary reversed-phase high-performance liquid chromatography with subsequent spotting on polyvinylidene difluoride membranes, matrix-assisted laser(More)
Glaucocalyxin A is a new diterpenoid isolated from the ethereal extract of the leaves of Rabdosia japonica (Burm f) Hara var glaucocalyx (Maxim) Hara (Labiatae) collected in the northeastern China. When it was incubated with washed rabbit platelets, glaucocalyxin A inhibited ADP- or arachidonic acid-induced platelet aggregation with IC50 values of 4.4(More)
In this study we describe the production of two human monoclonal antibodies (mAbs) HMP12 and HMP14, that recognize polymorphic HLA-DR specificities. These mAbs have been produced by hybridization of antibody-secreting Epstein-Barr virus-transformed cells with SHM-D33 human-mouse heteromyeloma. By microcytotoxicity assay HMP12 mAb was found to react with all(More)
Elastin is one of the most significant components of the extracellular matrix, which supports the stretchiness of the blood vessels via its helical structure and cross-links. Enzymatic decomposition of this protein could induce chemotactic responses of cell populations in the surrounding tissues by several peptide sequences, e.g. XGXXPG. In our present work(More)
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