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  • Title: Bovine peripheral blood WC1+ and WC1neg γδ T lymphocytes modulate monocyte-derived macrophage effector functions during in vitro Mycobacterium avium subspecies paratuberculosis infection.
    Author: Baquero MM, Plattner BL.
    Journal: Cell Immunol; 2017 May; 315():34-44. PubMed ID: 28284486.
    Abstract:
    The importance of bovine γδ T lymphocytes during anti-mycobacterial immunity is recognized; however, the role of major subsets of γδ T lymphocytes (WC1+ and WC1neg) in this process remains unclear. We investigated how WC1+ and WC1neg γδ T lymphocyte subsets of calves modulate monocyte-derived macrophage (MDM) functions during Map infection in vitro. To achieve this, Map-infected or uninfected MDMs from young calves were co-cultured with autologous WC1+ or WC1neg γδ T lymphocytes. Our data indicate that WC1+ and WC1neg γδ T lymphocytes of young calves modulate effector functions of MDMs with respect to Map killing, CD11b and MHC-II expression. We observed differences in IFN-γ production and CD25 expression on γδ T lymphocyte subsets, as well as MDM expression of CD1b when in contact with WC1neg γδ T lymphocytes.
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