نتایج جستجو برای: mimotope
تعداد نتایج: 237 فیلتر نتایج به سال:
Chronic beryllium disease (CBD) is a granulomatous disorder characterized by an influx of beryllium (Be)-specific CD4⁺ T cells into the lung. The vast majority of these T cells recognize Be in an HLA-DP–restricted manner, and peptide is required for T cell recognition. However, the peptides that stimulate Be-specific T cells are unknown. Using positional scanning libraries and fibroblasts expre...
IgE Abs mediate allergic responses by binding to specific high affinity receptors (FcepsilonRI) on mast cells and basophils. Therefore, the IgE/FcepsilonRI interaction is a target for clinical intervention in allergic disease. An anti-IgE mAb, termed BSW17, is nonanaphylactogenic, although recognizing IgE bound to FcepsilonRI, and interferes with binding of IgE to FcepsilonRI. Thus, BSW17 repre...
Two 7-mer cyclic peptides-Rp15-C and Rp13-C-which bear the antigenic motif recognized by the anti-CD20 mAb rituximab, but have different motif-surrounding amino acids, show a comparable avidity for rituximab and inhibit the binding of rituximab to raft-associated CD20 and rituximab-induced membrane ceramide on human lymphoid Daudi cells. Their immunogenic profiles differed: Abs recognizing CD20...
BACKGROUND Urease B is an important virulence factor that is required for Helicobacter pylori to colonise the gastric mucosa. Mouse monoclonal antibodies (mAbs) that inhibit urease B enzymatic activity will be useful as vaccines for the prevention and treatment of H. pylori infection. Here, we produced murine mAbs against urease B that neutralize the enzyme's activity. We mapped their epitopes ...
CD43 is a sialoglycosylated membrane protein that is involved in cell proliferation and differentiation. CD43 glycoforms that are recognized by the UN1 monoclonal antibody (mAb) were expressed in lymphoblastoid T-cell lines and solid tumors, such as breast, colon, gastric, and squamous cell lung carcinomas, while unexpressed in the normal counterparts. The cancer association of UN1/CD43 epitope...
Biotechnology has continued to advance the state of the art in pharmaceutical research and discovery, especially in the generation and screening of molecular diversity [1]. Patents have begun to issue on both chemical [2] and biological [3] strategies for creating and evaluating libraries of compounds. Whether structured or random in design, these combinatorial collections, composed of natural ...
Pritumumab is a natural human monoclonal antibody derived from a lymph node of a patient with cervical carcinoma. The recognized antigen is an altered form of vimentin called, ecto-domain vimentin (EDV) that is expressed on the cell surface of cancer cells. EDV is present on vimentin-exposing ectosomes (VEE) that are vesicular protrusions on the cell surface of cancer cells. Idio-33 is an antip...
Nowadays, treatment of food allergy only considered the avoidance of the specific food. However, the possibility of cross-reactivity makes this practice not very effective. Immunotherapy may exhibit as a good alternative to food allergy treatment. The use of hypoallergenic molecules with reduced IgE binding capacity but with ability to stimulate the immune system is a promising tool which could...
UNLABELLED Vaccine reverse engineering is emerging as an important approach to vaccine antigen identification, recently focusing mainly on structural characterization of interactions between neutralizing monoclonal antibodies (mAbs) and antigens. Using mAbs that bind unknown antigen structures, we sought to probe the intrinsic features of antibody antigen-binding sites with a high complexity pe...
To properly characterize protective polyclonal antibody responses, it is necessary to examine epitope specificity. Most antibody epitopes are conformational in nature and, thus, cannot be identified using synthetic linear peptides. Cyclic peptides can function as mimetics of conformational epitopes (termed mimotopes), thereby providing targets, which can be selected by immunoaffinity purificati...
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