Monoclonal Antibody Therapy Protects Pharmacologically Immunosuppressed Mice from Lethal Infection with Influenza B Virus

Author:

Marathe Bindumadhav M.1,Asthagiri Arunkumar Guha23ORCID,Vogel Peter4,Pascua Philippe Noriel Q.1,Jones Jeremy1,Webby Richard J.1,Krammer Florian2ORCID,Govorkova Elena A.1ORCID

Affiliation:

1. Department of Infectious Diseases, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA

2. Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA

3. Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA

4. Veterinary Pathology Core, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA

Abstract

Human influenza A and B viruses are highly contagious and cause similar illnesses and seasonal epidemics. Currently available antiviral drugs have limited efficacy in humans with compromised immune systems; therefore, alternative strategies for protection are needed. Here, we investigated whether monoclonal antibodies (MAbs) targeting hemagglutinin (HA) and/or neuraminidase (NA) proteins would protect immunosuppressed mice from severe infections with influenza B virus. Pharmacologically immunosuppressed BALB/c mice were inoculated with B/Brisbane/60/2008 (BR/08) influenza virus and were treated with a single dose of 1, 5, or 25 mg/kg of body weight per day of either an anti-HA MAb (1D2) or an anti-NA MAb (1F2) starting at 24 hours postinoculation (hpi).

Funder

HHS | NIH | National Institute of Allergy and Infectious Diseases

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference50 articles.

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3. Centers for Disease Control and Prevention. 2019. FluView: weekly U.S. influenza surveillance report. Centers for Disease Control and Prevention, Atlanta, GA. https://www.cdc.gov/flu/weekly/index.htm.

4. Influenza-Associated Pediatric Deaths in the United States, 2010–2016

5. Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices — United States, 2019–20 Influenza Season

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