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We studied immunosuppressive properties of skin fibroblasts and mesenchymal stromal cells against NK cells. In vitro experiments showed that mesenchymal stromal cells isolated from human umbilical cord and human skin… Click to show full abstract
We studied immunosuppressive properties of skin fibroblasts and mesenchymal stromal cells against NK cells. In vitro experiments showed that mesenchymal stromal cells isolated from human umbilical cord and human skin fibroblasts can considerably attenuate cytotoxic activity of NK cells against Jurkat cells sensitive to NK-mediated lysis. NK cells cultured in lymphocyte population exhibited higher cytotoxic activity than isolated NK cells. Mesenchymal stromal cells or fibroblasts added 1:1 to lymphocyte culture almost completely suppressed NK cell cytotoxicity. This suggests that fibroblast-like cells can suppress not only isolated NK cells, but also NK cells in natural cell microenvironment.
Journal Title: Bulletin of Experimental Biology and Medicine
Year Published: 2017
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