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The Immune Epitope Database and Analysis Resource (IEDB) is a project hosted by scientists at the La Jolla Institute for Allergy and Immunology (LIAI), with support from the National Institute of Allergy and Infectious Diseases (NIAID), a part of the National Institutes of Health [permanent dead link ] (NIH), and Department of Health and Human Services (HHS).
This database serves as a resource for data on antibody and T cell epitopes studied in humans, non-human primates, and other species as it relates to disease, allergies, autoimmunity, and transplantation. The database also has tools to assist in the prediction and analysis of epitopes. [21]
In immunology, epitope mapping is the process of experimentally identifying the binding site, or epitope, of an antibody on its target antigen (usually, on a protein). [ 1 ] [ 2 ] [ 3 ] Identification and characterization of antibody binding sites aid in the discovery and development of new therapeutics , vaccines , and diagnostics .
Recognition of epitopes in a linear fashion. Note: the same (colored) segment of protein can be a part of more than one epitopes. In immunology, a linear epitope (also sequential epitope) is an epitope—a binding site on an antigen—that is recognized by antibodies by its linear sequence of amino acids (i.e. primary structure).
The first epitope-based vaccine was developed in 1985 by Jacob et al. [28] Epitope-based vaccines stimulate humoral and cellular immune responses using isolated B-cell or T-cell epitopes. [ 28 ] [ 22 ] [ 17 ] These vaccines can use multiple epitopes to increase their efficacy. [ 28 ]
An epitope comes in contact with a very small region (of 15–22 amino acids) of the antibody molecule; this region is known as the paratope. [1] In the immune system, membrane-bound antibodies are the B-cell receptor (BCR).
Antibodies of different classes activate distinct effector mechanisms in response to an antigen (triggering different elements of the innate immune system). They appear at different stages of an immune response, differ in structural features, and in their location around the body. [1] Isotype expression reflects the maturation stage of a B cell ...
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