Melatonin treatment enhances the efficiency of mice immunization with Venezuelan equine encephalomyelitis virus TC-83

To determine whether treatment with melatonin (MLT) improves the efficiency of immunization against Venezuelan equine encephalomyelitis (VEE) virus, mice were vaccinated with TC-83 VEE virus and treated daily with MLT (1 or 5 mg/kg) starting 3 days before immunization, until 10 days after. IgM antib...

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Veröffentlicht in:Neurochemical research 2001-07, Vol.26 (7), p.767-770
Hauptverfasser: NEGRETTE, Beatriz, BONILLA, Ernesto, VALERO, Nereida, PONS, Hector, GARCIA TAMAYO, Jorge, CHACIN-BONILLA, Leonor, MEDINA-LEENDERTZ, Shirley, ANEZ, Florencio
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container_issue 7
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container_title Neurochemical research
container_volume 26
creator NEGRETTE, Beatriz
BONILLA, Ernesto
VALERO, Nereida
PONS, Hector
GARCIA TAMAYO, Jorge
CHACIN-BONILLA, Leonor
MEDINA-LEENDERTZ, Shirley
ANEZ, Florencio
description To determine whether treatment with melatonin (MLT) improves the efficiency of immunization against Venezuelan equine encephalomyelitis (VEE) virus, mice were vaccinated with TC-83 VEE virus and treated daily with MLT (1 or 5 mg/kg) starting 3 days before immunization, until 10 days after. IgM antibody titers were determined at days 7, 14, and 21 post-immunization. IL-10 levels were assayed at day 14 postvaccination. Treatment with MLT increased antibody titers 14 days after the immunization. IL-10 levels also increased with MLT treatment (1 and 5 mg/kg). Mice were challenged with live VEE virus at day 21 postimmunization, and viral titers were plaque assayed in chicken embryo fibroblasts 4 days after the infection. Following this challenge brain virus levels were significantly reduced. The results suggest that MLT treatment enhances the efficiency of mice immunization against VEE virus.
doi_str_mv 10.1023/A:1011645400123
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IgM antibody titers were determined at days 7, 14, and 21 post-immunization. IL-10 levels were assayed at day 14 postvaccination. Treatment with MLT increased antibody titers 14 days after the immunization. IL-10 levels also increased with MLT treatment (1 and 5 mg/kg). Mice were challenged with live VEE virus at day 21 postimmunization, and viral titers were plaque assayed in chicken embryo fibroblasts 4 days after the infection. Following this challenge brain virus levels were significantly reduced. The results suggest that MLT treatment enhances the efficiency of mice immunization against VEE virus.</description><identifier>ISSN: 0364-3190</identifier><identifier>EISSN: 1573-6903</identifier><identifier>DOI: 10.1023/A:1011645400123</identifier><identifier>PMID: 11565607</identifier><identifier>CODEN: NEREDZ</identifier><language>eng</language><publisher>New York, NY: Springer</publisher><subject>Adjuvants, Immunologic - pharmacology ; Animals ; Antibiotics. Antiinfectious agents. 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subjects Adjuvants, Immunologic - pharmacology
Animals
Antibiotics. Antiinfectious agents. Antiparasitic agents
Antibodies, Viral - analysis
Antiviral agents
Biological and medical sciences
Brain - virology
Encephalitis Virus, Venezuelan Equine - immunology
Encephalitis Virus, Venezuelan Equine - isolation & purification
Encephalomyelitis, Venezuelan Equine - prevention & control
Encephalomyelitis, Venezuelan Equine - virology
Immunization
Medical sciences
Melatonin - pharmacology
Mice
Pharmacology. Drug treatments
Venezuelan equine encephalitis virus
Viral Vaccines - immunology
title Melatonin treatment enhances the efficiency of mice immunization with Venezuelan equine encephalomyelitis virus TC-83
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