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Reactions of Antibodies with Soluble Antigens
Methods in Immunology and Immunochemistry, Volume III: Reactions of Antibodies with Soluble Antigens provides information pertinent to antigen–antibody and hapten–antibody reactions in vitro, in free solution and in gels. This book presents the development of research in immunology and immunochemistry. Organized into three chapters, this volume begins with an overview of protein–antiprotein reactions. This text then discusses the inhibitory activity of protein fragments, which suggested that antigenic combining sites of proteins were limited regions of the whole antigen molecule. Other chapters consider the measurement of inhibitory activity, which is still the principal assay to characterize antigenic sites of proteins. This book discusses as well the immunological techniques prior to the development of gel-diffusion methods. The final chapter deals with fluorescence labeling techniques that provide powerful approaches for exploring the thermodynamic and kinetic parameters of antigen–antibody interactions. This book is a valuable resource for mathematicians and immunologists.
Antigen-Antibody Reactions In Vivo
Methods in Immunology and Immunochemistry, Volume V: Antigen-Antibody Reactions In Vivo deals primarily with immune phenomena in tissues or in cell preparations. This book covers a variety of topics, including anaphylaxis, tolerance, immune suppression with chemical agents, radiation effects, antibody synthesis in vitro, immunological methods, and applied electron microscopy. Organized into 10 chapters, this volume begins with an overview of systemic anaphylaxis investigations in other more resistant species. This text then presents the analysis of mechanisms involved in the pathogenesis of the Arthus phenomenon, which shed light on the understanding of other lesions of hypersensitivity. Other chapters consider the effects of antigen–antibody interaction on connective tissue. This book discusses as well the degree and duration of acquired tolerance. The final chapter deals with the application of electron microscopy in the elucidation of the mechanisms of immune reactions. This book is a valuable resource for immunologists, students, and research workers.
Antigen Antibody Interactions
1. 1 Organization of the Immune System One of the most important survival mechanisms of vertebrates is their ability to recognize and respond to the onslaught of pathogenic microbes to which they are conti- ously exposed. The collection of host cells and molecules involved in this recognition 12 response function constitutes its immune system. In man, it comprises about 10 cells 20 (lymphocytes) and 10 molecules (immunoglobulins). Its ontogenic development is c- strained by the requirement that it be capable of responding to an almost limitless variety of molecular configurations on foreign substances, while simultaneously remaining inert to those on self components. It has thus evolved to discriminate, with exquisite precision, between molecular patterns. The foreign substances which induce a response, called antigens, are typically large molecules such as proteins and polysaccharides. The portions of these with which immunoglobulins interact are called epitopes or determinants. A typical protein epitope may consist of a configuration formed by the spatial arrangements of four or five amino acids and have an average linear dimension of about 20 A.
