Purpose There is no information available about the IL-18 receptor in ovarian follicles, so the present study attempts to demonstrate the expression of IL-18 and its receptor in human granulosa cells (GCs). Methods To evaluate the concentration of IL-18 in serum and follicular fluid (FF), we collected serum and FF from 102 women undergoing oocyte retrieval. Also, to detect expression of IL-18 and its receptor by luteinized GCs, these cells were pooled six times from a total of twenty individual patients with 5-16 follicles each. The IL-18 concentration was determined by ELISA and the expression of IL-18 and its receptor by immunocytochemistry and reverse transcription polymerase chain reaction. Results Our results showed that the median IL-18 concentration in serum, 159.27 pg/ml (IQR 121.41-210.1), was significantly higher than in FF, 142.1 pg/ml (IQR 95.7176.5), p < 0.001. Moreover, we found that IL-18 and its receptor are expressed by GCs. Conclusion The presence of IL-18 in FF and the expression of IL-18 and its receptor by GCs suggest an important role for this cytokine in ovarian function.
机构:
CHU St Justine Res Ctr, Toronto, ON, Canada
Dept Pediat, Toronto, ON, Canada
Univ Montreal, Montreal, PQ, CanadaLab Innate Immun, Toronto, ON, Canada
Amre, Devendra
Ahmad, Ali
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Lab Innate Immun, Toronto, ON, Canada
CHU St Justine Res Ctr, Toronto, ON, Canada
Dept Microbiol Infectiol & Immunol, Toronto, ON, Canada
Univ Montreal, Montreal, PQ, CanadaLab Innate Immun, Toronto, ON, Canada
机构:
Harvard Univ, Sch Med, Div Comparat Pathol, New England Primate Res Ctr, Southborough, MA 01772 USAHarvard Univ, Sch Med, Div Comparat Pathol, New England Primate Res Ctr, Southborough, MA 01772 USA
Yellayi, Srikanth
Braun, Steve
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Harvard Univ, Sch Med, Div Immunol, New England Primate Res Ctr, Southborough, MA 01772 USAHarvard Univ, Sch Med, Div Comparat Pathol, New England Primate Res Ctr, Southborough, MA 01772 USA
Braun, Steve
Domingues, Heber G.
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Harvard Univ, Sch Med, Div Comparat Pathol, New England Primate Res Ctr, Southborough, MA 01772 USAHarvard Univ, Sch Med, Div Comparat Pathol, New England Primate Res Ctr, Southborough, MA 01772 USA
Domingues, Heber G.
Kityatana, Nadya
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Univ Penn, Sch Med, Dept Pathol & Lab Med, Philadelphia, PA 19104 USAHarvard Univ, Sch Med, Div Comparat Pathol, New England Primate Res Ctr, Southborough, MA 01772 USA
Kityatana, Nadya
Murali, Ramachandran
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Univ Penn, Sch Med, Dept Pathol & Lab Med, Philadelphia, PA 19104 USAHarvard Univ, Sch Med, Div Comparat Pathol, New England Primate Res Ctr, Southborough, MA 01772 USA
Murali, Ramachandran
Johnson, R. Paul
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Harvard Univ, Sch Med, Div Immunol, New England Primate Res Ctr, Southborough, MA 01772 USAHarvard Univ, Sch Med, Div Comparat Pathol, New England Primate Res Ctr, Southborough, MA 01772 USA
Johnson, R. Paul
Mansfield, Keith
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Harvard Univ, Sch Med, Div Comparat Pathol, New England Primate Res Ctr, Southborough, MA 01772 USAHarvard Univ, Sch Med, Div Comparat Pathol, New England Primate Res Ctr, Southborough, MA 01772 USA
Mansfield, Keith
Westmoreland, Susan V.
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Harvard Univ, Sch Med, Div Comparat Pathol, New England Primate Res Ctr, Southborough, MA 01772 USAHarvard Univ, Sch Med, Div Comparat Pathol, New England Primate Res Ctr, Southborough, MA 01772 USA
Westmoreland, Susan V.
O'Neil, Shawn P.
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Harvard Univ, Sch Med, Div Comparat Pathol, New England Primate Res Ctr, Southborough, MA 01772 USAHarvard Univ, Sch Med, Div Comparat Pathol, New England Primate Res Ctr, Southborough, MA 01772 USA