ABSTRACT
The antiviral activity of iodantipyrine was studied in outbred [correction of inbred] albino mice (weight 10-12 g) infected with the Absettarov strain of the tick-borne encephalitis virus. Iodantipyrine was administered per os or parenterally and the animals were observed for 21 days. A reliable therapeutic effect was produced in 60% of mice infected with 10 DL50 of tick-borne encephalitis virus which were given the drug per os in a dose of 50 mg/kg. Preventive administration of the drug was effective in 47% of the animals.
Subject(s)
Antipyrine/analogs & derivatives , Antiviral Agents/administration & dosage , Encephalitis, Tick-Borne/drug therapy , Animals , Antipyrine/administration & dosage , Dose-Response Relationship, Drug , Drug Evaluation, Preclinical , Encephalitis, Tick-Borne/mortality , Encephalitis, Tick-Borne/prevention & control , Mice , Tilorone/administration & dosage , Time FactorsABSTRACT
The therapeutic effect of nonsteroid antiinflammatory drugs (pyrazolone and salicylate derivatives) and their combinations with acyclovir was assessed in experimental herpesvirus infection in cell culture and in mice. A combination of 4-iodoantipyrine and acyclovir protected mice from herpesvirus encephalitis. This effect was associated with a decrease of the level of the virus in mouse brain and an increase of the titers of serum interferon and virus neutralizing antibodies.
Subject(s)
Anti-Inflammatory Agents, Non-Steroidal/therapeutic use , Antiviral Agents/therapeutic use , Herpes Simplex/drug therapy , Acyclovir/administration & dosage , Acyclovir/therapeutic use , Animals , Antipyrine/administration & dosage , Antipyrine/analogs & derivatives , Antipyrine/therapeutic use , Chlorocebus aethiops , Disease Models, Animal , Drug Therapy, Combination , Herpes Simplex/virology , Herpesvirus 1, Human , Mice , Vero CellsABSTRACT
The studies of the therapeutic and prophylactic action of a compound from the group of nonsteroid antiinflammatory substances, iodantipyrine-4, in newborn white mice infected with Coxsackie B3 virus showed the drug to possess both therapeutic and prophylactic activity in the acute period of infection.
Subject(s)
Anti-Inflammatory Agents, Non-Steroidal/therapeutic use , Antipyrine/analogs & derivatives , Antiviral Agents/therapeutic use , Coxsackievirus Infections/drug therapy , Enterovirus B, Human , Animals , Antipyrine/therapeutic use , Coxsackievirus Infections/microbiology , Coxsackievirus Infections/mortality , Coxsackievirus Infections/pathology , Disease Models, Animal , Drug Evaluation, Preclinical , Enterovirus B, Human/isolation & purification , Mice , Myocardium/pathology , Pancreas/pathology , Time FactorsABSTRACT
The antiviral activity of iodantipyrine-4 belonging to the group of nonsteroid anti-inflammatory compounds was studied in inbred white mice of 10-12 g given a single subcutaneous injection of the Absettarov strain of tick-borne encephalitis virus. Iodantipyrine-4 in different doses was administered orally or parenterally, and the animals were observed for 21 days. In the group of mice infected with 10 LD50 of TBE virus which were treated with the drug orally in a dose of 50 mg/kg a reliable therapeutic effect was established in 60%, after parenteral injection in 53.4%. Prophylactic administration of the drug followed by challenge with 10 LD50 of virus was effective in 47% of mice. In the group of mice infected with 100 LD50 of the virus the therapeutic effect was observed in 38% and prophylactic in 30%. Iodantipyrine-4 was found to induce interferon production.
Subject(s)
Anti-Inflammatory Agents, Non-Steroidal/therapeutic use , Antipyrine/analogs & derivatives , Antiviral Agents/therapeutic use , Encephalitis, Tick-Borne/drug therapy , Administration, Oral , Animals , Anti-Inflammatory Agents, Non-Steroidal/administration & dosage , Antipyrine/administration & dosage , Antipyrine/therapeutic use , Antiviral Agents/administration & dosage , Dipyridamole/administration & dosage , Dose-Response Relationship, Drug , Drug Evaluation, Preclinical , Encephalitis, Tick-Borne/blood , Encephalitis, Tick-Borne/prevention & control , Injections, Intraperitoneal , Interferon Inducers/administration & dosage , Interferon Inducers/therapeutic use , Interferon-alpha/blood , Male , MiceABSTRACT
There has been studied the influence of a number of nonsteroidal antiinflammatory agents (NSAID ) on the humoral immune response of mice in immunization with erythrocytic and viral antigen. It has been found out that NSAID have immunomodulating effect, stimulating humoral immune response (4-iodantipyrine, 4-bromantipyrine) or suppressing it (butadione, sodium salicylate). Apparently the mechanism of NSAID ++ immunostimulating effect is related to the inhibition of T-suppressors ++ function by the latter ones.
Subject(s)
Anti-Inflammatory Agents, Non-Steroidal/pharmacology , Antibody-Producing Cells/cytology , Antigens, Heterophile/immunology , Antigens, Viral/immunology , Enterovirus/immunology , Spleen/cytology , T-Lymphocytes/immunology , Adjuvants, Immunologic , Animals , Antibody-Producing Cells/drug effects , In Vitro Techniques , Mice , Sheep , Spleen/drug effects , T-Lymphocytes/drug effectsABSTRACT
Nonsteroid antiinflammatory agents (NAIA) such as antipyrine, butadion, acetylsalicylic acid, sodium salicylate, stampyrine and 4-iodantipyrine are not interferonogenic. Still, they stimulated interferonogenic action of poly(G).poly(C) in studies on animals. Relation between the interferon-stimulating action of the NAIA and their effect on activity of prostaglandin and the influence on the immune system was suggested.
Subject(s)
Anti-Inflammatory Agents, Non-Steroidal/pharmacology , Interferons/biosynthesis , Poly C/pharmacology , Poly G/pharmacology , Animals , Anti-Inflammatory Agents, Non-Steroidal/administration & dosage , Drug Synergism , Injections, Intraperitoneal , Interferon Inducers , Interferons/blood , Mice , Poly C/administration & dosage , Poly G/administration & dosage , Stimulation, Chemical , Time FactorsSubject(s)
Adamantane/analogs & derivatives , Antipyrine/analogs & derivatives , Orthomyxoviridae Infections/drug therapy , Rimantadine/therapeutic use , Animals , Antipyrine/administration & dosage , Antipyrine/therapeutic use , Drug Administration Schedule , Drug Therapy, Combination , Hemagglutinins, Viral/blood , Influenza A virus/immunology , Interferons/blood , Mice , Orthomyxoviridae Infections/immunology , Orthomyxoviridae Infections/prevention & control , Rimantadine/administration & dosageSubject(s)
Anti-Inflammatory Agents, Non-Steroidal/pharmacology , Antiviral Agents , Cells, Cultured , Enterovirus/drug effects , Enterovirus/physiology , Enterovirus B, Human/drug effects , Enterovirus B, Human/physiology , Fibroblasts/microbiology , Humans , Simplexvirus/drug effects , Simplexvirus/physiology , Vesicular stomatitis Indiana virus/drug effects , Vesicular stomatitis Indiana virus/physiology , Virus ReplicationSubject(s)
Antiviral Agents/pharmacology , Pyridones/pharmacology , Adenoviruses, Human/drug effects , Animals , Antiviral Agents/therapeutic use , Chick Embryo , Drug Evaluation, Preclinical , Enterovirus/drug effects , Humans , Influenza, Human/drug therapy , Mice , Pyridones/therapeutic use , Structure-Activity Relationship , Vesicular stomatitis Indiana virus/drug effectsABSTRACT
The growth and proliferation of organ liver cultures from sucklings born to mice infected with Coxsackie A 13 virus during pregnancy have been studied. In liver explants of the experimental group of sucklings, a well defined zone of of growth, mostly of epithelial cells, was observed early, whereas the cell growth around liver explants of sucklings born to control female mice was either absent or very weak.
Subject(s)
Coxsackievirus Infections/embryology , Liver/embryology , Maternal-Fetal Exchange , Pregnancy Complications, Infectious , Animals , Coxsackievirus Infections/microbiology , Enterovirus , Female , Liver/microbiology , Mice , Organ Culture Techniques , Pregnancy , Pregnancy Complications, Infectious/microbiologyABSTRACT
Titrated gamma-globulin, which the authors used in the preoperative management of patients with acquired valvular disease and minimum rheumatism activity, contained high titers of antibodies against the antigens of streptococcus (streptokinase, streptohyaluronidase, streptolysin 0) and Coxsackie A13, A18, and B3 viruses. Its use in combination with antirheumatic agents did not cause any complications and made it possible to reduce the activity of the process in most cases with grade I and after repeated courses also in grade II activity of rheumatism. Treatment with titrated gamma-globulin stimulates the organism's defence forces (factors of nonspecific immunity: complement, lysozyme, interferon) and leads to diminution of the isolation of cardiotropic viruses from blood and bioptic material of the atria of patients.
Subject(s)
Mitral Valve Insufficiency/drug therapy , Rheumatic Heart Disease/drug therapy , gamma-Globulins/administration & dosage , Adult , Clinical Trials as Topic , Drug Evaluation , Female , Humans , Immunity, Innate/drug effects , Male , Middle Aged , Preoperative Care , Time FactorsABSTRACT
Peculiarities attending the growth and proliferation of the organ cultures of the liver of mongrel albino mice infected once with Coxsackie A-13 virus were investigated. A marked zone of growth, mostly of the epithelial cells, was determined rather early in the liver explants of mice in the experimental group, whereas in control group of mice the cell growth around the explant of the liver was either absent or very weak. Besides, a great number of lymphocytes evenly arranged in the zone of hepatocytes growth was observed in the preparations of the experimental mice liver. Lymphocyte "adhesion" to hepatocytes of the culture was revealed in some preparations. Moreover, destruction of the hepatocytes and a marked rarefaction of the cell layer occurred at the sites of lymphocytes accumulation on the 21st and the 28th days of growth.
Subject(s)
Enterovirus , Liver/microbiology , Animals , Epithelium , Female , Lymphocytes , Male , Mice , Mitosis , Organ Culture Techniques , PregnancyABSTRACT
The results of pathomorphological and virological studies of experimental Coxsackie A 13 virus infection in BALB/C mice are described. Chronic myocarditis, endocarditis and valvulitis were observed in mice inoculated 10 to 12 hours after birth. The virus was revealed in the infected mice for 15-20 days only.
Subject(s)
Coxsackievirus Infections/pathology , Myocardium/pathology , Animals , Animals, Newborn , Chronic Disease , Mice , Mice, Inbred BALB CABSTRACT
An investigation into the effect produced by a series of acyl-derivatives of pyrasolone and salicytates on the generation of antiviral inhibitors (AVI) to the RNA and DNA-carrying viruses in the tissue cultures and chick embryos ascertained the active AVI inhibitors to be derivatives of 4-amino- and 4-methylaminoantipyrine, acylated with higher fatty and substituted benzoic acids.