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Keywords:

  • Interleukin-17;
  • interleukin-17 receptor;
  • JEG-3 choriocarcinoma cells

Problem  As there has been a study in mice showing the expression of IL-17 by decidual cells and the status of IL-17 receptor expression in human pregnancy is not known, we hypothesized that IL-17 may regulate human trophoblast proliferation and invasion.

Method of study  JEG-3 cell line was used as a model for human trophoblast. Immunohistochemitry and reverse transcriptase polymerase chain reaction techniques were used to identify IL-17 receptor protein and mRNA, respectively. The effects of IL-17 on JEG-3 cell proliferation and invasion were tested using the BrdU incorporation and the Matrigel invasion assays, respectively.

Results  IL-17 increased the invasive capacity of JEG-3 cells but had no effect on the proliferation and multinucleated formation of JEG-3 cells.

Conclusion  In this JEG-3 cell model of human trophoblast, the IL-17R and IL-17 may have a regulatory role in trophoblast invasion.