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Optimizing lipopeptide bioactivity: The impact of non-ionic surfactant dressing.
J Pharm Anal
December 2024
MTA-HUN-REN TTK Lendület "Momentum" Peptide-Based Vaccines Research Group, Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Budapest, H-1117, Hungary.
The aim of the research is to increase the applicability of lipopeptides as drugs. To this end, non-ionic triblock copolymers, namely poloxamers, were applied. The physico-chemical properties of poloxamers vary depending on the length of the blocks.
View Article and Find Full Text PDFEnhanced effect of the immunosuppressive soluble HLA-G2 homodimer by site-specific PEGylation.
Sci Rep
January 2025
Laboratory of Biomolecular Science, Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, 060-0812, Japan.
Human leukocyte antigen (HLA)-G is a nonclassical HLA class I molecule that has an immunosuppressive effect mediated by binding to immune inhibitory leukocyte immunoglobulin-like receptors (LILR) B1 and LILRB2. A conventional HLA-G isoform, HLA-G1, forms a heterotrimeric complex composed of a heavy chain (α1-α3 domains), β2-microglobulin (β2m) and a cognate peptide. One of the other isoforms, HLA-G2, lacks a α2 domain or β2m to form a nondisulfide-linked homodimer, and its ectodomain specifically binds to LILRB2 expressed in human monocytes, macrophages, and dendritic cells.
View Article and Find Full Text PDFA lyophilised formulation of chimpanzee adenovirus vector for long-term stability outside the deep-freeze cold chain.
Commun Med (Lond)
January 2025
GSK, Rixensart, Belgium.
Background: The adenovirus-vaccine platform has come to prominence with the COVID-19 vaccination campaigns. The objective of this study was to validate a formulation that was suitable for lyophilisation and long-term storage at 5 (2-8) °C.
Methods: Vaccine stability was assessed up to five years at 5 °C using a lyophilised formulation of the chimpanzee-adenovirus vector ChAd155 encoding a respiratory syncytial virus (RSV) antigen.
Immune responses of cattle vaccinated by various routes with Mycobacterium bovis Bacillus Calmette-Guérin (BCG).
BMC Vet Res
January 2025
Bacterial Diseases of Livestock Research Unit, National Animal Disease Center, Agricultural Research Service, 1920 Dayton Ave, Ames, IA, 50010, USA.
Background: Mycobacterium bovis BCG is the human tuberculosis vaccine and is the oldest vaccine still in use today with over 4 billion people vaccinated since 1921. The BCG vaccine has also been investigated experimentally in cattle and wildlife by various routes including oral and parenteral. Thus far, oral vaccination studies of cattle have involved liquid BCG or liquid BCG incorporated into a lipid matrix.
View Article and Find Full Text PDFA VZV-gE subunit vaccine decorated with mPLA elicits protective cellular immmune responses against varicella-zoster virus.
Int Immunopharmacol
February 2025
Department of Pharmaceutics, School of Pharmacy, Ningxia Medical University, Yinchuan, Ningxia, China. Electronic address:
Herpes zoster is an acute infectious skin disease caused by the reactivation of latent varicella-zoster virus, vaccination, such as subunit vaccine with good safety, can effectively prevent shingles through increasing immunity of the body. However, protein antigens are prone to degradation and inactivation, which alone is generally not sufficient to induce potent immune effect. In this study, the liposomal vaccine platform modified with mPLA (TLR4 agonist) was developed to improve the immunogenicity of glycoprotein E (VZV-gE) derived from herpes zoster virus.
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