ArticleMolecules (Basel, Switzerland)2024
Age-Dependent Effects of Yolkin on Contact Sensitivity and Immune Phenotypes in Juvenile Mice.
Article in Molecules (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Yolkin tempers inflammatory mediator release and liver pathology in experimental endotoxemia in mice.Histology and histopathology · 2026Article
- Yolkin restores cellular immune response and content of T and B cells in lymphoid organs of cyclophosphamide-immunocompromised mice.Journal of veterinary research · 2025Article
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Authors and funding
12 authors.
Funding
Abstract
Yolkin, an egg yolk immunoregulatory protein, stimulates the humoral but inhibits the cellular immune response in adult mice. The aim of this investigation was to evaluate the effects of yolkin administration on the immune response using a model of juvenile, i.e., 28-day- and 37-day-old, mice. We examined the yolkin influence on the magnitude of the cellular immune response, which was determined as contact sensitivity (CS) to oxazolone (OXA), and the humoral immune response, which was determined as the antibody response to ovalbumin (OVA). Yolkin was administered in drinking water, followed by immunization with OXA or OVA. In parallel, the phenotypic changes in the lymphoid organs were determined following yolkin treatment and prior immunization. The results showed that yolkin had a stimulatory effect on CS in the mice treated with yolkin from the 37th day of life but not from the 28th day of life. In contrast, no regulatory effect of yolkin on antibody production was found in 28-day- and 37-day-old mice. Phenotypic studies revealed significant changes in the content of B cells and T cell subpopulations, including CD4+CD25+Foxp3 regulatory T cells. The association between the effects of yolkin on the magnitude of CS and phenotypic changes in main T- and B-cell compartments, as well the importance of changes in T-regulatory and CD8+ cells in the age categories, are discussed. We conclude that the immunoregulatory effects of yolkin on the generation of CS in mice are age dependent and change from stimulation in juvenile to suppression in adult mice.
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