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Unknown,Transcriptomics,Genomics,Proteomics

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Low dose hCG pregnant vs non-pregnant

ABSTRACT: Influence of ovarian stimulation with 200 IU of hCG, (administered in the late follicular phase among ICSI patients undergoing a GnRH-antagonist protocol), on the endometrium on the day of oocyte pick-up. The purpose of the present study is to assess the influence of the administration of low dose hCG on the endometrium. In addition, by analysing the correlation of the morphological pattern and gene expression profile of human endometrium on the day of oocyte retrieval in patients of both treatment groups, we want to study the implantation potential. Pregnant and non-pregnant patients were compared. In total 6 samples were analyzed for gene expression analysis with microarrays, 3 pregnant and 3 non-pregnant patients were compared.

ORGANISM(S): Homo sapiens

SUBMITTER: Inge Van Vaerenbergh

PROVIDER: E-GEOD-21225 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Cyclooxygenase-2 network as predictive molecular marker for clinical pregnancy in in vitro fertilization.

Van Vaerenbergh Inge I Blockeel Christophe C Van Lommel Leentje L Ghislain Vanessa V In't Veld Peter P Schuit Frans F Fatemi Human Mousavi HM Devroey Paul P Bourgain Claire C

Fertility and sterility 20100825 1

The gene expression of human endometrium on the day of oocyte retrieval of pregnant and nonpregnant patients in a stimulated IVF cycle was compared in two independent groups with different GnRH-antagonist ovarian stimulation protocols. The present data suggest that increased gene expression of cyclooxygenase-2, together with the expression of other molecules in the cyclooxygenase-2 network, on the day of oocyte retrieval in GnRH-antagonist cycles coincides with a lower probability of achieving a ...[more]

PMID: 20800227

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Low dose hCG pregnant vs non-pregnant

Project description:Influence of ovarian stimulation with 200 IU of hCG, (administered in the late follicular phase among ICSI patients undergoing a GnRH-antagonist protocol), on the endometrium on the day of oocyte pick-up. The purpose of the present study is to assess the influence of the administration of low dose hCG on the endometrium. In addition, by analysing the correlation of the morphological pattern and gene expression profile of human endometrium on the day of oocyte retrieval in patients of both treatment groups, we want to study the implantation potential. Pregnant and non-pregnant patients were compared.

2010-09-07 | GSE21225 | GEO

Low dose human chorionic gonadotropin hCG

2010-10-02 | E-GEOD-18557 | biostudies-arrayexpress

Low dose human chorionic gonadotropin hCG

2010-10-02 | GSE18557 | GEO

COX-2 network as predictive molecular marker for clinical pregnancy in IVF

Project description:CONTEXT Nowadays, the molecular mechanisms involved in endometrial receptivity and implantation are still not clear. OBJECTIVE The gene expression of human endometrium of patients undergoing an IVF treatment with GnRH antagonists/rec-FSH was studied. CONCLUSIONS COX-2 has been extensively studied as a crucial fertility element in both knock-out mice and human. It appears that increased expression of COX-2 and/or SCGB1D2 on the day of oocyte retrieval in GnRH antagonist/rec-FSH stimulated cycles coincides with a lower probability of achieving a clinical pregnancy in this cycle. Keywords: gene expression analysis, clinical pregnancy in IVF stimulated cycles Endometrial biopsies taken from patients on day of oocyte retrieval in stimulated IVF cycles with 1 or 2 embryos replaced in the same cycle. Gene expression of pregnant patients (n=4) was compared with matched non-pregnant patients (n=4)

2010-09-06 | E-GEOD-18140 | biostudies-arrayexpress

GnHR agonist trigger versus hCG trigger in final ovulation induction

Project description:The objective of this experiment was to explore differences in follicle transcriptomes in patients having oocyte maturation induced with either a bolus of hCG or a GnRH agonist. Upon oocyte retrieval, mural granuloasa cells and cumulus cells were isolated, allowing for comparison of the follicular transcriptomes between patients treated with eihter hCG or the GnHR agonist.

2013-06-15 | E-MTAB-1670 | biostudies-arrayexpress

Premature progesterone rise

Project description:Premature progesterone (P) rise during GnRH antagonist cycles for IVF is a frequent phenomenon and has been associated with lower pregnancy and implantation rates. Different thresholds of progesterone have been used so far to define its premature rise during the follicular phase of an IVF stimulated cycle. In this study, we evaluated endometrial gene expression on the day of oocyte retrieval according to the level of serum progesterone on the day of hCG administration in GnRH antagonist cycles.Endometrial biopsies from eleven patients were taken with a Pipelle de Cornier (Prodimed, Neuilly-en-Thelle, France) on the day of oocyte retrieval in a GnRH antagonist/rec-FSH stimulated IVF cycle with fresh embryo transfer. Biopsies were analysed for gene expression with Affymetrix Human Genome (HG) U133 Plus 2.0 Arrays and GCOS software (Affymetrix, Santa Clara, CA, USA). Patients were divided into three different groups according to their progesterone serum concentration on the day of hCG administration (A) P <= 0.9 ng/mL, (B) 1 < P < 1.5 ng/mL, and (C) P > 1.5 ng/mL. Serum P was measured with the automated Elecsys immunoanalyser (Roche Diagnostics, Mannheim, Germany). Selected differentially expressed genes were validated with quantitative real-time PCR (QPCR) with TaqMan Gene Expression Assays (Applied Biosystems, Foster City, CA, USA). Keywords: gene expression analysis, premature progesterone rise Endometrial biopsies from fourteen patients were taken on the day of oocyte retrieval in a GnRH/rec-FSH stimulated IVF cycle with fresh embryo transfer and analyzed with microarrays. Patients were divided into three groups according to their progesterone serum concentration on day of hCG: A <=0.9ng/ml; B 1-1.5 ng/ml; C > 1.5ng/ml

2010-12-21 | E-GEOD-19959 | biostudies-arrayexpress

Transcription profiling of pig endometrium from pregnant and non-pregnant sows

Project description:In an attempt to unveil part of the molecular processes controlling porcine placentation we have investigated the pregnancy induced gene expression in the porcine endometrium at Day 14 after insemination using the Affymetrix GeneChip® Porcine Genome Array. Experiment Overall Design: At Day 14 after insemination, samples were obtained from the endometrium of pregnant sows and sows inseminated with inactivated semen for RNA extraction and hybridization on Affymetrix microarrays. The uteri were removed and each uterine horn was flushed with PBS containing 1% fetal calf serum, and subsequently opened longitudinally at the anti-mesometrial side. The sites of embryonic attachment were macroscopically visual in the endometrium on the mesometrial side in form of hyperemic zones. Samples of the endometrium (lamina epithelialis, lamina propria and tela submucosa, but not tunica muscularis) were isolated from proximal (the end close to the ovaries), intermedial, and distal (next to the corpus uteri)) sections of each uterine horn. Samples were taken from the endometrium of the non-pregnant animals at comparable locations.

2009-10-23 | E-GEOD-18641 | biostudies-arrayexpress

Transcriptomic analysis of corona radiata cells after hormonal stimulation (PMSG/hCG)

Project description:Cumulus-oocyte complexes were collected post-PMSG/hCG induction at J4 for 3 genotypes : wild-type (WT), DKO for LXRalpha and LXRbeta (DKO) and DKO for LXRalpha and LXRbeta rescued for LXRbeta in granulosa cells (TG-AMHb). Corona radiata cells were isolated from oocytes using hyaluronidase treatment and collected for transcriptomic analysis.

2024-01-01 | GSE222134 | GEO

Transcriptional profiling of equine endometrium before, during and after capsule disintegration during normal pregnancy and after oxytocin-induced luteostasis in non-pregnant mares

Project description:mRNA profiles of (1) equine endometrium collected 14, 22, and 28 days after ovulation from pregnant mares and (2) equine endometrium collected 20 days after ovulation from pregnant mares, and from non-pregnant mares which displayed and failed to display extended luteal function following the administration of oxytocin.

2021-09-01 | GSE180022 | GEO