Antiviral therapy · 2010
Combination therapy of vaccinia virus infection with human anti-H3 and anti-B5 monoclonal antibodies in a small animal model.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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McCausland Megan M, Benhnia Mohammed Rafii-El-Idrissi, Crickard Lindsay, Laudenslager John, Granger Steven W, Tahara Tomoyuki, Kubo Ralph, Koriazova Lilia, Kato Shinichiro, Crotty Shane
Аннотация
BACKGROUND: Treatment of rare severe side effects of vaccinia virus (VACV) immunization in humans is currently very challenging. VACV possesses two immunologically distinct virion forms in vivo - intracellular mature virion (MV, IMV) and extracellular virion (EV, EEV).
METHODS: Antibody-mediated therapeutic efficacy was determined against VACV infection in a small animal model of progressive vaccinia. The model consisted of severe combined immunodeficiency mice infected with VACV New York City Board of Health vaccine strain and treated with monoclonal antibodies (mAbs).
RESULTS: Here, we show that combination therapy with two fully human mAbs against an immunodominant MV antigen, H3 (H3L), and an EV antigen, B5 (B5R), provides significantly better protection against disease and death than either single human monoclonal or human vaccinia immune globulin, the currently licensed therapeutic for side effects of smallpox vaccination.
CONCLUSIONS: The preclinical studies validate that this combination of mAbs against H3 and B5 is a promising approach as a poxvirus infection treatment for use in humans.
METHODS: Antibody-mediated therapeutic efficacy was determined against VACV infection in a small animal model of progressive vaccinia. The model consisted of severe combined immunodeficiency mice infected with VACV New York City Board of Health vaccine strain and treated with monoclonal antibodies (mAbs).
RESULTS: Here, we show that combination therapy with two fully human mAbs against an immunodominant MV antigen, H3 (H3L), and an EV antigen, B5 (B5R), provides significantly better protection against disease and death than either single human monoclonal or human vaccinia immune globulin, the currently licensed therapeutic for side effects of smallpox vaccination.
CONCLUSIONS: The preclinical studies validate that this combination of mAbs against H3 and B5 is a promising approach as a poxvirus infection treatment for use in humans.