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Topic:Antisera
Antisera refer to blood serum containing antibodies against specific antigens, produced by the immune system in response to exposure to these antigens. In horses, antisera are commonly used for therapeutic and diagnostic purposes, particularly in the treatment of venomous bites or stings, and in combating infectious diseases. The production of equine antisera involves immunizing horses with a particular antigen and subsequently collecting and processing their blood to extract the serum rich in antibodies. This page compiles peer-reviewed research studies and scholarly articles that explore the production, application, and efficacy of antisera in equine medicine, as well as advancements in safety and regulatory considerations in their use.
Bacteriostatic effects of horse sera and serum fractions on Clostridium welchii Type A, and the abolition of bacteriostasis by iron salts. Under a variety of conditions of concentration, Eh, and pH, horse anti- serum and normal horse serum exerted similar bacteriostatic effects against Type A. Ferric iron abolished the bacteriostatic effect when added during the first 2 hours of incubation at Eh+60 mV. Ferrous iron abolished the bacteriostatic effect when added after 3 hours. Ferric iron abolished the bacteriostatic effect at—140 mV. A mixture consisting of horse β- and γ-globulins together with human transferrin exerted a bacteriostatic effect similar to that of whole serum. This system responded in the same way as whole se...
WHO collaborative studies on enterovirus reference antisera. This paper summarizes the results of co-operative studies undertaken by the WHO International Reference Centre for Enteroviruses and a number of WHO Regional Reference Centres for viruses, WHO Virus Collaborating Laboratories, or other laboratories in a comprehensive testing programme of enterovirus equine antisera. The studies were designed to appraise the specificity of immune serum prepared in horses against five representative prototype enteroviruses (poliovirus 1, coxsackieviruses A9 and B3, and echoviruses 4 and 11). Tests for neutralizing antibody were performed not only against the hom...
Equine Antihapten Antibody. I. 7S Beta-2A- and 10S Gamma-1- Globulin Components of Purified Anti-Beta-Lactoside Antibody. Anti-p-azophenyl-beta-lactoside (Lac) antibody has been isolated from equine antiserum by specific precipitation with Lac-HSA (human serum albumin) and Lac-Hy (hemocyanin). Antibody was separated from antigen by chromatography on DEAE cellulose and zone electrophoresis in solvents containing lactose. Six antigenically distinct immunoglobulins have been identified in purified equine anti-Lac antibody: 7S beta(2A)-globulin, 19S gamma-globulin, a 10S gamma(1) globulin, and three antigenically distinct 7S gamma-globulins. The specific hapten-binding activity of the 7S beta(2A)-antibody and of the ...
