The impact of ovarian stimulation with recombinant FSH in combination with GnRH antagonist on the endometrial transcriptome in the window of implantation

Macklon, Mark Gaast, A Hamilton, BCJM (Bart) Fauser, LC Gludice

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Abstract

The aim of this prospective paired cohort study is to elucidate the impact Of ovarian stimulation with recombinant-follicle-stimulating hormone in combination with gonadotropin-releasing hormone antagonist on the endometrial transcrimome. Oocyte donors undenvent endometrial biopsy during the implantation window of the nonstimulated cycle and following ovarian stimulation with recombinant follicle-stimulating hormone and gonadotropin-releasing hormone antagonist but no luteal progesterone supplementation (n = 4). Microarray analysis showed 142 genes to be significantly upregulated and 98 significantly downregulated. Significantly upregulated genes included those sequencing for the chemokine ligand CXCL 13, the Dickkopf homolog, steroidcgenic acute regulatory protein, and homeobox C6. Also upregulated were genes inhibited by progesterone, such as insulin-like growth factor binding protein 5. In conclusion, ovarian stimulation with follicle-stimulating hormone and gonadotropin-releasing hormone antagonist dysregulates the expression of many genes involved in cell adhesion, T-cell receptor signaling, and regulation of signal transduction. These data suggest that dysregulation of the endometrial transcriptome in the stimulated cycle is not fully attributable to supraphysiological sex steroid levels at the folliculo-luteal transition.
Original languageUndefined/Unknown
Pages (from-to)357-365
Number of pages9
JournalReproductive Sciences
Volume15
Issue number4
DOIs
Publication statusPublished - 2008

Research programs

  • EMC MM-01-52-07

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