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Title: Detection of immunoreactive interleukin-11 in human follicular fluid: correlations with ovarian steroid, insulin-like growth factor I levels, and follicular maturity
Authors: Branisteanu, I ×
Pijnenborg, Robert
Spiessens, C
Van Der Auwera, Isabel
Keith, J C
Van Assche, Frans Andre #
Issue Date: Jun-1997
Series Title: Fertility and Sterility vol:67 issue:6 pages:1054-8
Abstract: OBJECTIVE: To prove the presence of interleukin-11 (IL-11) in the follicular fluid (FF), to determine its source and the correlation between IL-11 and fertilization outcome, follicular size, number of follicles per patient, steroids, and insulin-like growth factor-1 (IGF-I) levels. DESIGN: Interleukin-11 levels were measured in FFs, aspirated during oocyte pickup for IVF. SETTING: Academic hospital and research environment. PATIENT(S): Follicular fluid and serum were obtained with informed consent from 44 patients undergoing IVF-ET. Granulosa cells were isolated from 17 patients. MAIN OUTCOME MEASURE(S): We hypothesized that IL-11 might play a role in follicular development, as do other related cytokines present in FF. Interleukin-11 was measured with ELISA. RESULT(S): Interleukin-11 was absent in the serum but present in FF and in conditioned medium from granulosa cells. Atretic follicles had higher concentrations of IL-11. No correlation was found between IL-11 and fertilization outcome, follicular size, steroid, IGF-I, and total protein concentrations. CONCLUSION(S): We conclude that IL-11 is present in FF. The role of IL-11 in follicular development should be the object of further investigations.
ISSN: 0015-0282
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Pathophysiology of Pregnancy Section (-)
Section Woman - Miscellaneous (-)
Faculty of Medicine - miscellaneous
× corresponding author
# (joint) last author

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