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http://dx.doi.org/10.1111/j.1749-6632.1968.tb15158.x | DOI Listing |
Front Vet Sci
January 2025
College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China.
Feline herpesvirus 1 (FHV-1) is an important pathogen causing infectious rhinotracheitis in felids, mainly infecting the upper respiratory tract and conjunctiva. Multiple vaccines are available to prevent FHV-1 infection, and the antibody levels are always used to evaluate their effectiveness. However, the cellular immunity response following immunization in cats remains unclear.
View Article and Find Full Text PDFDev Comp Immunol
January 2025
Biology Department, University of Colorado - Pueblo, 2200 Bonforte Ave., Pueblo, CO 81001.
We immunized three groups of Mojave desert tortoises (Gopherus agassizii): a group immunized twice, a group immunized once, and a group sham-immunized. We used the antigen, ovalbumin (OVA), with Freund's adjuvant to elicit antibody responses similar to those induced by extracellular bacteria. All tortoises have relatively high levels of B1 lymphocytes and natural antibodies (NAbs), and the goal of this study was to quantify B2 lymphocyte activity (antibody production and potential proliferation) that occurs in primary and secondary immunizations against this constitutive, first line of humoral defense.
View Article and Find Full Text PDFPLoS One
January 2025
Instituto René Rachou, Fiocruz Minas, Fundação Oswaldo Cruz (Fiocruz), Belo Horizonte, Minas Gerais, Brazil.
Background: To develop an effective vaccine against Plasmodium vivax, the most widely dispersed human malaria parasite, it is critical to understand how coinfections with other pathogens could impact malaria-specific immune response. A recent conceptual study proposed that Epstein-Barr virus (EBV), a highly prevalent human herpesvirus that establishes lifelong persistent infection, may influence P. vivax antibody responses.
View Article and Find Full Text PDFBraz J Microbiol
January 2025
Center of Technological Development, Biotechnology, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil.
Adjuvants are crucial for maintaining specific, protective, and long-lasting immunity. Here, we aimed to evaluate the antigenic and immunogenic activity of a recombinant form of the S1 domain of the Spike protein, associated with biogenic silver nanoparticles (bio-AgNP) and Alhydrogel as an alternative and conventional adjuvant, respectively, for a SARS-CoV-2 subunit vaccine. We produced and evaluated the antigenicity of the recombinant S1 (rS1) protein by testing its recognition by antibodies present in SARS-CoV-2 positive human serum.
View Article and Find Full Text PDFFront Immunol
January 2025
Institute of Virology, Medical Faculty, University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany.
Background: The emergence of novel SARS-CoV-2 variants challenges immunity, particularly among immunocompromised kidney transplant recipients (KTRs). To address this, vaccines have been adjusted to circulating variants. Despite intensive vaccination efforts, SARS-CoV-2 infections surged among KTRs during the Omicron wave, enabling a direct comparison of variant-specific immunity following-vaccination against Omicron BA.
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