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Naturally Acquired Genotype-Specific HPV Seroreactivity and Subsequent HPV Detection Among Heterosexual Partners.
J Med Virol
January 2025
Division of Cancer Epidemiology, McGill University, Montreal, Quebec, Canada.
The protective effect of naturally acquired humoral immunity against human papillomavirus (HPV) infection remains unclear. To investigate the role of infection-induced antibodies on HPV detection in heterosexual partners, we used data from 392 unvaccinated couples (females aged 18-25 years attended up to six visits over 2 years; males aged 17-37 years attended up to two visits 4 months apart) enrolled (2005-2011) in Montreal. Genital and blood samples were HPV DNA genotyped and tested for L1 antibody titers of 14 HPV genotypes.
View Article and Find Full Text PDFSelection of combination adjuvants for enhanced immunogenicity of a recombinant CelTOS vaccine against Plasmodium falciparum.
Biochem Biophys Res Commun
January 2025
Malaria and Vector Research Group (MVRG), Biotechnology Research Center (BRC), Pasteur Institute of Iran, Tehran, Iran. Electronic address:
Recently, there has been significant interest in developing combination adjuvants to achieve efficient vaccines. However, it remains uncertain which combinations of adjuvants could best enhance the immune response to the recombinant antigen. In the current study, to improve the immunogenicity of Plasmodium falciparum cell traversal protein for ookinetes and sporozoites (PfCelTOS), we tested three different adjuvants: MPL, Poly I:C, and QS-21 alone or in a triple mixture (MPL/Poly I:C/QS-21; MPQ) and a dual mixture (Poly I:C/QS-21; PQ).
View Article and Find Full Text PDFSARS-CoV-2 Infection and Liver Transplant: How Are We Now?
Transplant Proc
January 2025
Gastroenterolgy and Hepatology Department, Group of Clinical and Translational Research in Liver Diseases, Research Institution Valdecilla (IDIVAL), University Hospital Marqués de Valdecilla, Santander, Spain. Electronic address:
Background: The Omicron variant of SARS-CoV-2 emerged as a new variant of concern, characterized by high transmissibility and lower severity compared with previous variants, and became the majority variant in the sixth wave in Spain. This study aims to assess the impact of SARS-CoV-2 infection on liver transplant recipients (LTRs) during 2023 in the population of Cantabria.
Methods: The study included 295 LTRs undergoing follow-up at the Liver Transplant Unit of the Marqués de Valdecilla University Hospital.
[Preparation and immunogenicity evaluation of ferritin nanoparticles conjugated with African swine fever virus p30 protein].
Sheng Wu Gong Cheng Xue Bao
December 2024
State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730000, Gansu, China.
This study developed ferritin-based nanoparticles carrying the African swine fever virus (ASFV) p30 protein and evaluated their immunogenicity, aiming to provide an experimental basis for the research on nanoparticle vaccines against ASFV. Initially, the gene sequences encoding the p30 protein and SpyTag were fused and inserted into the pCold-I vector to create the pCold-p30 plasmid. The gene sequences encoding SpyCatcher and ferritin were fused and then inserted into the pET-28a(+) vector to produce the pET-F-np plasmid.
View Article and Find Full Text PDFDesign and evaluation of a multi-epitope HIV-1 vaccine based on human parvovirus virus-like particles.
Vaccine
December 2024
Mucosal Immunoogy Laboratory, Biomedicine Research Unit, Faculty of Higher Studies Iztacala, National Autonomous University of Mexico. Avenida de los Barrios 1, Los Reyes Iztacala, Tlalnepantla, Estado de México 54090, Mexico. Electronic address:
The development of a protective HIV vaccine remains a challenge given the high antigenic diversity and mutational rate of the virus, which leads to viral escape and establishment of reservoirs in the host. Modern antigen design can guide immune responses towards conserved sites, consensus sequences or normally subdominant epitopes, thus enabling the development of broadly neutralizing antibodies and polyfunctional lymphocyte responses. Conventional epitope vaccines can often be impaired by low immunogenicity, a limitation that may be overcome by using a carrier system.
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