Journal
PLACENTA
Volume 34, Issue 9, Pages 836-839Publisher
W B SAUNDERS CO LTD
DOI: 10.1016/j.placenta.2013.05.007
Keywords
Cord blood monocytes; Placental macrophages; Differentiation markers; Apoptotic factors; Cytokine receptors
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The expression of surface molecules in cord blood monocytes and placental macrophages was studied using flow cytometry. When compared with monocytes, macrophages presented a decrease in HLA-DR and LAP/TGF-beta 1 levels and increased expression of alternative activation markers, especially CD206. No difference in the production of the apoptotic factors TRAIL and TWEAK was observed, whereas the levels of cytokine receptors in monocytes were significantly higher than in macrophages. Most remarkable was the difference in the expression of IL-17 and TNF alpha receptors. A strong correlation between VEGF and TNF alpha receptors was revealed in both cell populations. The results obtained in this study provide antigenic phenotypes for two related cell populations and outline the feasible functional alterations during tissue macrophage differentiation. (C) 2013 Elsevier Ltd. All rights reserved.
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