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This review presents the main contributions to our knowledge regarding the development of antivenoms for therapeutic use in victims of venomous animal bites. We cover the progress of serum therapy since tetanus and diphtheria antitoxins in Germany and France until the current scenario of antivenom production worldwide. During these more than 120 years of antivenom development, many researchers contributed...
Background Among other applications, immunotherapy is used for the post-exposure treatment and/or prophylaxis of important infectious diseases, such as botulism, diphtheria, tetanus and rabies. The effectiveness of serum therapy is widely proven, but improvements on the immunoglobulin purification process and on the quality control are necessary to reduce the amount of protein aggregates. These may...
Considering that the scarcity of venom represents a huge challenge for biochemical and functional studies of Micrurus species (coral snakes), in this report we describe for the first time the influence of pilocarpine administration prior to venom milking on the yield and protein composition of Micrurus corallinus venom. The administration of pilocarpine resulted in an increase of about 127% in the...
Micrurus snakebites can cause death by muscle paralysis and respiratory arrest a few hours after envenomation. The specific treatment for these snake envenomations is the intravenous application of heterologous antivenom. In Brazil, this antivenom is produced from horses that are immunized with a mixture of Micrurus corallinus and Micrurus frontalis venoms, which are snakes that inhabit the south...
The effect of Bothrops antivenom on blocking the disturbances induced by Bothrops jararaca venom in leukocyte–endothelial interactions (LEI) at the microcirculation of the cremaster muscle in mice was evaluated using intravital microscopy. Our findings showed that an i.v. injection of Bothrops antivenom, per se, induced changes in LEI, similar to those induced by an s.c. injection of B. jararaca venom,...
A study was performed on the ability of antivenoms, produced in Brazil and Costa Rica, to neutralize lethal, hemorrhagic and coagulant activities of the venoms of 16 species of Central and South American snakes of the subfamily Crotalinae. Neutralization of lethality was studied by two different methods routinely used in the quality control of antivenoms at Instituto Butantan (IB) and Instituto Clodomiro...
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