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Expression data from human endometrium

ABSTRACT: The purpose of this study was to compare and contrast the expression of mRNA sequences in samples of endometrial glandular epithelium taken at discrete points in the menstrual cycle of healthy female subjects. This study was approved by the Erasme Hospital Ethics Committee and was conducted at the Pfizer Clinical Research Unit at the Erasme hospital, Brussels. The study was conducted in accordance with the Declaration of Helsinki on Ethical Principals for Medical Research Involving Human Subjects, adopted by the General Assembly of the World Medical Association (1996). In addition, the study was conducted in accordance with the protocol, the principles of the International Conference on Harmonization guideline on Good Clinical Practice and applicable local regulatory requirements and laws. Written informed consent was obtained from all participants in this study prior to screen. Female healthy subjects were between 20 and 39 years of age and had a regular menstrual cycle. A total of 23 endometrial biopsies were taken from women at different stages of their menstrual cycle (mid & late follicular; early & mid luteal phases) by pipelle catheter. Glandular epithelium was laser capture microdissected and total RNA was purified, labelled and hybridized to Affymetrix HG-U133 Plus 2 chips using standard protocols. The resulting data were subjected to a principal component analysis and assessment by a proprietary methodology, the causal reasoning engine. Using this analysis we describe new progesterone marker genes and a robust methodology which may be useful for identifying endometrial pharmacological response genes or diagnostic disease markers.

ORGANISM(S): Homo sapiens

PROVIDER: GSE29981 | GEO | 2011/09/01

SECONDARY ACCESSION(S): PRJNA140769

REPOSITORIES: GEO

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Expression data from human endometrium

Project description:The purpose of this study was to compare and contrast the expression of mRNA sequences in samples of endometrial glandular epithelium taken at discrete points in the menstrual cycle of healthy female subjects. This study was approved by the Erasme Hospital Ethics Committee and was conducted at the Pfizer Clinical Research Unit at the Erasme hospital, Brussels. The study was conducted in accordance with the Declaration of Helsinki on Ethical Principals for Medical Research Involving Human Subjects, adopted by the General Assembly of the World Medical Association (1996). In addition, the study was conducted in accordance with the protocol, the principles of the International Conference on Harmonization guideline on Good Clinical Practice and applicable local regulatory requirements and laws. Written informed consent was obtained from all participants in this study prior to screen. Female healthy subjects were between 20 and 39 years of age and had a regular menstrual cycle. A total of 23 endometrial biopsies were taken from women at different stages of their menstrual cycle (mid & late follicular; early & mid luteal phases) by pipelle catheter. Glandular epithelium was laser capture microdissected and total RNA was purified, labelled and hybridized to Affymetrix HG-U133 Plus 2 chips using standard protocols. The resulting data were subjected to a principal component analysis and assessment by a proprietary methodology, the causal reasoning engine. Using this analysis we describe new progesterone marker genes and a robust methodology which may be useful for identifying endometrial pharmacological response genes or diagnostic disease markers. A single sample was taken from each of 20 human subjects at time points across the menstrual cycle.

2011-08-31 | E-GEOD-29981 | biostudies-arrayexpress

Endometrial methylome of patients with endometriosis

Project description:Alterations in endometrial DNA methylation profile have been proposed as one potential mechanism initiating the development of endometriosis. However, the normal endometrial methylome is influenced by the cyclic hormonal changes and the menstrual cycle phase-dependent epigenetic signature should be considered when studying endometrial disorders. So far, no studies have been performed to evaluate the menstrual cycle influences and endometriosis-specific endometrial methylation pattern at the same time. Therefore, we used Infinium HumanMethylation 450K BeadChip arrays to explore DNA methylation profiles of endometrial tissues from various menstrual cycle phases. Infinium HumanMethylation 450K BeadChip arrays were used to explore DNA methylation profiles of endometrial tissues from various menstrual cycle phases from 24 patients with endometriosis

2016-02-15 | E-GEOD-73948 | biostudies-arrayexpress

Endometrial methylome of patients without endometriosis

2016-02-15 | GSE73949 | GEO

Endometrial methylome of patients with endometriosis

2016-02-15 | GSE73948 | GEO

Endometrial methylome of patients without endometriosis

Project description:Alterations in endometrial DNA methylation profile have been proposed as one potential mechanism initiating the development of endometriosis. However, the normal endometrial methylome is influenced by the cyclic hormonal changes and the menstrual cycle phase-dependent epigenetic signature should be considered when studying endometrial disorders. So far, no studies have been performed to evaluate the menstrual cycle influences and endometriosis-specific endometrial methylation pattern at the same time. Therefore, we used Infinium HumanMethylation 450K BeadChip arrays to explore DNA methylation profiles of endometrial tissues from various menstrual cycle phases. Infinium HumanMethylation 450K BeadChip arrays were used to explore DNA methylation profiles of endometrial tissues from mid secretory cycle phase from 17 patients without endometriosis

2016-02-15 | E-GEOD-73949 | biostudies-arrayexpress

Endometrial methylome of healthy women during the transition from pre-receptive to receptive phase

Project description:The inner uterine lining (endometrium) has been shown to have a distinct methylation pattern that changes throughout the menstrual cycle. However, not much is known about how the endometrial methylome affects endometrial receptivity to implanting embryo in the second half of the menstrual cycle. The aim of the present study was to use genome-wide technologies and a paired study design to characterize the endometrial methylome in pre-receptive and receptive endometrium sampled from 17 healthy women within the same menstrual cycle.

2017-06-20 | GSE90060 | GEO

Transcription profiling of human endrometrium samples obtained across the menstrual cycle of normo-ovulatory women to determine molecular signatures for different phases

Project description:To examine the possibility that biochemical,or molecular signatures of endometrium may prove to be more useful, we have investigated,whole genome molecular phenotyping (54,600 genes/ESTs) of this tissue sampled across the,cycle in 28 normo-ovulatory women, using high-density oligonucleotide microarrays. The results demonstrate,that endometrial samples obtained by two different sampling techniques (biopsy and curetting,hysterectomy specimens) from subjects who are as normal as possible in a human study and,4,including those with unknown histology, can be classified by their molecular signatures and,correspond to known phases of the menstrual cycle with identical results using two independent,analytical methods. Also, the results enable global identification of biological processes and,molecular mechanisms that occur dynamically in the endometrium in the changing steroid,hormone milieu across the menstrual cycle in normo-ovulatory women. The results underscore,the potential of gene expression profiling for developing molecular diagnostics of endometrial,normalcy and abnormalities and identifying molecular targets for therapeutic purposes in,endometrial disorders.

2007-06-25 | E-GEOD-4888 | biostudies-arrayexpress

Genome-wide expression analysis of autologous eutopic and ectopic endometrium from fertile Indian women with endometriosis

Project description:Whole genome expression analyses of autologous, paired eutopic and ectopic endometrial samples obtained during proliferative and secretory phases of menstrual cycles from eighteen (n=18) fertile women suffering from confirmed stage 3 (moderate) and stage 4 (severe) ovarian endometriosis were performed using whole human genome oligo microarray Agilent paltform (Cat. No. G4112F). In the present study, genome-wide expression analysis of autologous, paired eutopic and ectopic endometrial samples obtained during proliferative (n=13) and secretory (n=5) phases of menstrual cycle from fertile women (n=18) suffering from moderate (stage 3; n=8) or severe (stage 4; n=10) endometrioma was performed by using Agilent single color oligo microarray platform (G4112, 4X44K). Thus eighteen (18) eutopic (shown as EU) and eighteen (18) ectopic (shown as EC) samples from eighteen (18) subjects with confirmed menstrual phase (proliferative and secretory) and severity stages (stage 3 and stage 4) were studied.

2012-09-30 | E-GEOD-37837 | biostudies-arrayexpress

Endometrial extracellular vesicle decidualization

Project description:Proper decidualization is vital in preparation for a potential embryo receptivity, placentation, menstrual health and subsequent endometrial regeneration. Given the importance of extracellular vesicles (EVs) in intercellular communication, and recently in embryo implantation and indicators of menstrual cycle and fertility, we investigated their role during decidualization. Overall, this study provides an insight into distinct variation in sEV composition depending upon the level of decidualization of endometrial stromal cells, with the signaling potential to coordinate endometrial health ranging from embryo implantation, facilitating placentation and subsequent endometrial regeneration.

2021-11-17 | PXD026342 | Pride

Single cell RNA-seq analysis on human endometrium across the natural menstrual cycle

Project description:To unbiasedly and systematically characterize endometrial transformation across the human menstrual cycle in preparation for embryo implantation, we analyzed the transcriptomic transformation of human endometrium at single cell resolution, dissecting multidimensional cellular heterogeneity of the tissue across the entire natural menstrual cycle.

2020-06-29 | GSE111976 | GEO

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