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Generation of chimeric forms of rhesus macaque rhadinovirus expressing KSHV envelope glycoproteins gH and gL for utilization in an NHP model of infection.
J Virol
January 2025
Vaccine and Gene Therapy Institute, Oregon Health & Science University, Beaverton, Oregon, USA.
Kaposi's sarcoma-associated herpesvirus (KSHV) is a human gammaherpesvirus associated with Kaposi's sarcoma and B cell malignancies. Like all herpesviruses, KSHV contains conserved envelope glycoproteins (gps) involved in virus binding, entry, assembly, and release from infected cells, which are also targets of the immune response. Due to the lack of a reproducible animal model of KSHV infection, the precise functions of the KSHV gps during infection are not completely known.
View Article and Find Full Text PDFViral Mimetic Bacterial Outer Membrane Vesicles for Targeting Angiotensin-Converting Enzyme 2.
Int J Nanomedicine
January 2025
Department of Microbiology, Chungbuk National University, Cheongju, Republic of Korea.
Purpose: Outer membrane vesicles (OMVs) derived from Gram-negative bacteria naturally serve as a heterologous nano-engineering platform, functioning as effective multi-use nanovesicles for diagnostics, vaccines, and treatments against pathogens. To apply refined OMVs for human theranostic applications, we developed naturally exposed receptor-binding domain (RBD) OMVs grafted with antigen 43 as a minimal modular system targeting angiotensin-converting enzyme 2 (ACE2).
Methods: We constructed -derived OMVs using the antigen 43 autotransporter system to display RBD referred to as viral mimetic Ag43β700_RBD OMVs.
Current methods for detecting and assessing HIV-1 antibody resistance.
Front Immunol
January 2025
Department I of Internal Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.
Antiretroviral therapy is the standard treatment for HIV, but it requires daily use and can cause side effects. Despite being available for decades, there are still 1.5 million new infections and 700,000 deaths each year, highlighting the need for better therapies.
View Article and Find Full Text PDFEffective cancer immunotherapy combining mRNA-encoded bispecific antibodies that induce polyclonal T cell engagement and PD-L1-dependent 4-1BB costimulation.
Front Immunol
January 2025
Department of Antibody Engineering, Leadartis SL, Tres Cantos, Madrid, Spain.
Background: Immune checkpoint inhibitors have revolutionized cancer therapy, but many patients fail to respond or develop resistance, often due to reduced T cell activity. Costimulation via 4-1BB has emerged as a promising approach to enhance the effector function of antigen-primed T cells. Bispecific T cell-engaging (TCE) antibodies are an effective way to provide tumor-specific T cell receptor-mediated signaling to tumor-infiltrating lymphocytes.
View Article and Find Full Text PDFRecombinant Marek's disease virus expressing VP1 and VP2 proteins provides robust immune protection against chicken infectious anemia virus.
Front Microbiol
January 2025
Avian Immunosuppressive Diseases Division, State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.
Chicken infectious anemia (CIA) is a highly contagious disease caused by the chicken infectious anemia virus (CIAV), and it poses a serious threat to the poultry industry. However, effective control measures and strategies have not been identified. In this study, a recombinant Marek's disease virus (rMDV) expressing the VP1 and VP2 proteins of CIAV was successfully constructed using CRISPR/Cas9, and a commercial Marek's disease virus (MDV) vaccine strain was used as the vector.
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