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Int J Med Sci 2011; 8(3):239-244. doi:10.7150/ijms.8.239
Long Term Persistence of IgE Anti-Influenza Virus Antibodies in Pediatric and Adult Serum Post Vaccination with Influenza Virus Vaccine
1. Departments of Pediatrics, S.U.N.Y. Downstate Medical Center, Brooklyn, New York 11203, USA
The production of IgE specific to different viruses (HIV-1, Parvovirus B19, Parainfluenza virus, Varicella Zoster Virus), and the ability of IgE anti-HIV-1 to suppress HIV-1 production in vitro, strongly suggest an important role for IgE and/or anti viral specific IgE in viral pathogenesis. Nevertheless, the presence and persistence of IgE anti-Influenza virus antibodies has not been studied. Total serum IgE and specific IgE and IgG anti-Influenza virus antibodies were studied in children (N=3) (m/f 14-16 y/o) and adults (N=3) (m/f, 41-49 y/o) 2-20 months after vaccination with Influenza virus (Flumist® or Fluzone®), as well as in non-vaccinated children (N=2). (UniCAP total IgE Fluoroenzymeimmunoassay, ELISA, Immunoblot). We found that serum of vaccinated children and adults contained IgE and IgG anti-Influenza virus antibodies approaching two years post vaccination. Non-vaccinated children did not make either IgE or IgG anti-Influenza antibodies. Similar levels of IL-2, IFN-γ, IL-4, and IL-10 cytokines were detected in serum of vaccinated compared with non vaccinated subjects (p>0.05), as well as between vaccinated adults compared with vaccinated children and non vaccinated subjects (p>0.05). Vaccinated children and adults continue to produce IgE anti-Influenza virus antibodies long term post vaccination. The long term production of IgE anti-Influenza virus antibodies induced by vaccination may contribute to protective immunity against Influenza.
Keywords: IgE, Influenza virus, Influenza virus vaccine
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How to cite this article:
Smith-Norowitz TA, Wong D, Kusonruksa M, Norowitz KB, Joks R, Durkin HG, Bluth MH. Long Term Persistence of IgE Anti-Influenza Virus Antibodies in Pediatric and Adult Serum Post Vaccination with Influenza Virus Vaccine. Int J Med Sci 2011; 8(3):239-244. doi:10.7150/ijms.8.239. Available from http://www.medsci.org/v08p0239.htm