Peptides as immunogens
著者
書誌事項
Peptides as immunogens
（Current topics in microbiology and immunology, 130）
Springer-Verlag, c1986
- : Berlin
- : New York
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内容説明・目次
内容説明
The humoral response of the immune system to a foreign antigen usually requires the recognition of two antigenic determinants. The one, called the carrier, is recognized by T-Iymphocytes, the other, called the hapten, by B-Iympho- cytes. As a consequence, T - and B-Iymphocytes proliferate, B-Iymphocytes produce hapten-specific antibodies, and the system develops memory to the antigens. It was long thought that antigens would form a bridge to mediate the cooperation of T - and B-Iymphocytes. However, it now appears that antigens are broken down to fragments which then act as carrier determinants for T -lymphocytes. The cells which originally process antigen are called an- tigen-presenting cells. They have phagocytic properties. They can take up and degrade antigens, in the case of pro- teins to peptides. The peptides of protein antigens reappear on the surface of the antigen-presenting cells, where they must become associated with membrane proteins encoded by genes of the major histocompatibility complex (MHC) in order to be recognized by T-Iymphocytes.
To activate helper T-Iym- phocytes which cooperate in antibody responses, MHC class II molecules have to be expressed on the surface of the antigen-presenting cells. Once T -lymphocytes have be- come activated, they are ready to cooperate with B cells.
目次
Peptides as Immunogens: Prospects for Synthetic Vaccines. With 1 Figure.- Molecular Features of Class II MHC-Restricted T-Cell Recognition of Protein and Peptide Antigens: The Importance of Amphipathic Structures. With 1 Figure.- Peptides as Probes to Study Moleeular Mimicry and Virus-Induced Autoimmunity. With 2 Figures.- The Use of Peptides in Studying Mechanisms of Immune Tolerance. With 4 Figures.- Immune Response to Synthetic Herpes Simplex Virus Peptides: The Feasibility of a Synthetic Vaccine. With 10 Figures.- Antigen Presentation by B Lymphocytes: A Critical Step in T-B Collaboration. With 3 Figures.- The Value of Synthetic Peptides as Vaccines for Eliciting T-Cell Immunity.- Indexed in Current Contents.
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