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Development of a multi-epitope chimeric vaccine in silico against Babesia bovis, Theileria annulata, and Anaplasma marginale using computational biology tools and reverse vaccinology approach.
PLoS One
January 2025
Department of Pathology and Parasitology, Chittagong Veterinary and Animal Sciences University (CVASU), Chittagong, Bangladesh.
The three rickettsial parasites- Babesia bovis, Theileria annulata and Anaplasma Marginale are responsible for causing Babesiosis, Theileriosis and Anaplasmosis among cattle. These diseases exist due to spreading of infected ticks. A large number of cattle were found to suffer from mixed infections caused by the three parasites at the same time.
View Article and Find Full Text PDFComputational design of multi-epitope vaccine against Hepatitis C Virus infection using immunoinformatics techniques.
PLoS One
January 2025
Neuroscience Center, King Fahad Specialist Hospital Dammam, Dammam, Saudi Arabia.
Hepatitis C Virus (HCV) is a blood borne pathogen that affects around 200 million individuals worldwide. Immunizations against the Hepatitis C Virus are intended to enhance T-cell responses and have been identified as a crucial component of successful antiviral therapy. Nevertheless, attempts to mediate clinically relevant anti-HCV activity in people have mainly failed, despite the vaccines present satisfactory progress.
View Article and Find Full Text PDFMolecular Mechanism of VSV-Vectored ASFV Vaccine Activating Immune Response in DCs.
Vet Sci
January 2025
State Key Laboratory for Animal Disease Control and Prevention, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730030, China.
The vesicular stomatitis virus (VSV)-vectored African swine fever virus (ASFV) vaccine can induce efficient immune response, but the potential mechanism remains unsolved. In order to investigate the efficacy of recombinant viruses (VSV-p35, VSV-p72)-mediated dendritic cells (DCs) maturation and the mechanism of inducing T-cell immune response, the functional effects of recombinant viruses on DC activation and target antigens presentation were explored in this study. The results showed that surface-marked molecules (CD80, CD86, CD40, and MHC-II) and secreted cytokines (IL-4, TNF-α, IFN-γ) were highly expressed in the recombinant virus-infected DCs.
View Article and Find Full Text PDFEnhancing DNA Vaccine Delivery Through Stearyl-Modified Cell-Penetrating Peptides: Improved Antigen Expression and Immune Response In Vitro and In Vivo.
Vaccines (Basel)
January 2025
Shanghai Institute of Infectious Disease and Biosecurity, Fudan University, Shanghai 200032, China.
Background: Inefficient cellular uptake is a significant limitation to the efficacy of DNA vaccines. In this study, we introduce S-Cr9T, a stearyl-modified cell-penetrating peptide (CPP) designed to enhance DNA vaccine delivery by forming stable complexes with plasmid DNA, thereby protecting it from degradation and promoting efficient intracellular uptake.
Methods And Results: In vitro studies showed that S-Cr9T significantly improved plasmid stability and transfection efficiency, with optimal performance at an N/P ratio of 0.
Development and Evaluation of the Immunogenic Potential of an Unmodified Nucleoside mRNA Vaccine for Herpes Zoster.
Vaccines (Basel)
January 2025
Vaccine Center, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 211198, China.
Background/objectives: Approved mRNA vaccines commonly use sequences modified with pseudouridine to enhance translation efficiency and mRNA stability. However, this modification can result in ribosomal frameshifts, reduced immunogenicity, and higher production costs. This study aimed to explore the potential of unmodified mRNA sequences for varicella-zoster virus (VZV) and evaluate whether codon optimization could overcome the limitations of pseudouridine modification.
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