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doi:10.22028/D291-28869
Title: | Maturation and cytokine pattern of human dendritic cells in response to different yeasts |
Author(s): | Bazan, Silvia Boschi Walch-Rückheim, Barbara Schmitt, Manfred J. Breinig, Frank |
Language: | English |
Title: | Medical microbiology and immunology |
Volume: | 207 |
Issue: | 1 |
Startpage: | 75 |
Endpage: | 81 |
Publisher/Platform: | Springer |
Year of Publication: | 2017 |
Publikation type: | Journal Article |
Abstract: | Activated dendritic cells (DC) induce and polarize T-cell responses by expression of distinct maturation markers and cytokines. This study systematically investigated the capacity of different biotechnically relevant yeast species and strains including Saccharomyces cerevisiae, Schizosaccharomyces pombe, Kluyveromyces lactis, Pichia pastoris, Hansenula polymorpha, Yarrowia lipolytica, and Candida glabrata to initiate maturation of human DC. As important prerequisite for T-cell activation, all yeasts were shown to effectively induce, though to a different extent, the expression of the activation marker CD83, the co-stimulatory molecules CD80, CD86, CD54, CD58, and CD40, as well as the antigen-presenting molecules MHCs I and II. Furthermore, yeast-activated DC secreted various cytokines including inflammatory TNF-α, IL-6, IL-8, and IL-1β or T-cell polarizing IL-12, IL-10, IL-23, and IL-27. Variability was observed in the expression of TNF-α, IL-6, IL-8, IL-1β, and IL-10 in response to the tested yeasts, whereas expression levels of IL-12, IL-23, and IL-27 were similar. Interestingly, maturation marker expression and cytokine secretion were not negatively affected after application of yeast mutants with altered cell wall mannoprotein structure (Δmnn11) or defective in protein N-glycosylation (Δost3), indicating that elongated cell wall mannoproteins at the outer yeast cell surface are not a prerequisite for the observed yeast-mediated DC maturation. Thus, our data provide a valuable basic knowledge for the future design of effective yeast-based delivery approaches. |
DOI of the first publication: | 10.1007/s00430-017-0528-8 |
Link to this record: | hdl:20.500.11880/27760 http://dx.doi.org/10.22028/D291-28869 |
ISSN: | 0300-8584 1432-1831 |
Date of registration: | 13-Sep-2019 |
Faculty: | NT - Naturwissenschaftlich- Technische Fakultät |
Department: | NT - Biowissenschaften |
Professorship: | NT - Prof. Dr. Manfred Schmitt |
Collections: | SciDok - Der Wissenschaftsserver der Universität des Saarlandes |
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