О Биологической Активности Дизайнерских Наркотиков Из Группы Синтетических Опиоидов
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Specific anti-toxic immunotherapy: use in medical practice and perspectives
The results of use of approaches and means of antitoxic immunotherapy in medical practice are summarized: passive transfer of various variants of antibodies specific to toxic compounds, vaccination – specific active immunization with vaccines carrying determinants of the immunochemical specificity of target toxic compounds. The practical effectiveness of the known approaches of passive transfer and vaccination is associated with the ability of specific antibodies, by binding target bioactive compounds with pronounced toxicity, to change the availability of corresponding structures in the body-targets and, in the presence of a sufficient number of specific antibodies with high binding ability to the target compounds, neutralize their toxicity. In medical practice, polyspecific heterologous antisera or the gamma globulin fraction of antisera (extremely rare monoclonal antibodies of narrow specificity) are widely used for passive transfer as antidotes in the treatment of victims in order to prevent deaths and extensive necrosis of soft tissues at the site of the bite of poisonous snakes and insects. Active immunization – vaccination with appropriate antigenic drugs should create in immunized individuals a state of humoral immunity with the corresponding characteristics of antibody formation specific to the target compound. When a target toxic compound enters an immunized organism, it is also possible to neutralize its toxicity. The most successful experience in using the principles of active immunization as a technology for specific antitoxic therapy is associated with the practice of using toxoids for toxinemic infections. Specific practical techniques used to achieve the effectiveness of possible approaches to specific antitoxic immunotherapy in the form of passive transfer of specific antibodies or their fragments are considered: to combat lethal infections in the pathogenesis of which the toxic effects of bacterial exotoxins are significant; when treating victims of snake and insect bites, exposure to poisons of marine organisms, algae and plant toxins; in the treatment of severe intoxication with certain low molecular weight toxic substances: digoxin, colchicine, tricyclic antidepressants. The most successful experiences of using the principles of active immunization as a technology for specific antitoxic therapy, based on the use of toxoids with specificity for diphtheria, tetanus, botulism, cholera, typhoid fever, dysentery, gas gangrene and other toxinemic infections, are also considered. The fairly high immunogenicity of toxoids with the possibility of activating both constitutional and adaptive immunity has become the basis for their use as macromolecular carriers of hapten analogues of narcotic substances – a promising direction in drug addiction, in the implementation of which a number of experimental molecular and combined vaccines of opiates, methamphetamine, cocaine, and nicotine. This variant of practical efforts in medicine can be regarded as a new direction of specific antitoxic immunotherapy – an option to combat drug addiction by vaccinating drug addicts.
Specific anti-toxic immunotherapy: use in medical practice and perspectives
The results of use of approaches and means of antitoxic immunotherapy in medical practice are summarized: passive transfer of various variants of antibodies specific to toxic compounds, vaccination – specific active immunization with vaccines carrying determinants of the immunochemical specificity of target toxic compounds. The practical effectiveness of the known approaches of passive transfer and vaccination is associated with the ability of specific antibodies, by binding target bioactive compounds with pronounced toxicity, to change the availability of corresponding structures in the body-targets and, in the presence of a sufficient number of specific antibodies with high binding ability to the target compounds, neutralize their toxicity. In medical practice, polyspecific heterologous antisera or the gamma globulin fraction of antisera (extremely rare monoclonal antibodies of narrow specificity) are widely used for passive transfer as antidotes in the treatment of victims in order to prevent deaths and extensive necrosis of soft tissues at the site of the bite of poisonous snakes and insects. Active immunization – vaccination with appropriate antigenic drugs should create in immunized individuals a state of humoral immunity with the corresponding characteristics of antibody formation specific to the target compound. When a target toxic compound enters an immunized organism, it is also possible to neutralize its toxicity. The most successful experience in using the principles of active immunization as a technology for specific antitoxic therapy is associated with the practice of using toxoids for toxinemic infections. Specific practical techniques used to achieve the effectiveness of possible approaches to specific antitoxic immunotherapy in the form of passive transfer of specific antibodies or their fragments are considered: to combat lethal infections in the pathogenesis of which the toxic effects of bacterial exotoxins are significant; when treating victims of snake and insect bites, exposure to poisons of marine organisms, algae and plant toxins; in the treatment of severe intoxication with certain low molecular weight toxic substances: digoxin, colchicine, tricyclic antidepressants. The most successful experiences of using the principles of active immunization as a technology for specific antitoxic therapy, based on the use of toxoids with specificity for diphtheria, tetanus, botulism, cholera, typhoid fever, dysentery, gas gangrene and other toxinemic infections, are also considered. The fairly high immunogenicity of toxoids with the possibility of activating both constitutional and adaptive immunity has become the basis for their use as macromolecular carriers of hapten analogues of narcotic substances – a promising direction in drug addiction, in the implementation of which a number of experimental molecular and combined vaccines of opiates, methamphetamine, cocaine, and nicotine. This variant of practical efforts in medicine can be regarded as a new direction of specific antitoxic immunotherapy – an option to combat drug addiction by vaccinating drug addicts.
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