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Gene expression study of human endometrial receptivity in IVF implantation failure patients undergoing ovarian stimulation II

ABSTRACT: Endometrial receptivity on genomic level is one of the major cause of implantation failure in IVF patients with unexplained infertility and is a main obstacle in success of IVF. Gene expression profiles of implantation failure cases of unexplained infertility were compared with proven healthy oocyte donors as controls, both undergoing ovarian stimulation. The results provide additional information about gene expression profile related to endometrial receptivity in implantation failure cases especially under the influence of ovarian stimulation during IVF cycle.

ORGANISM(S): Homo sapiens

PROVIDER: GSE92324 | GEO | 2019/06/25

REPOSITORIES: GEO

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Gene expression study of human endometrial receptivity in IVF implantation failure patients undergoing ovarian stimulation

Project description:Endometrial receptivity on genomic level is one of the major cause of implantation failure in IVF patients with unexlained infertility and is a main obstacle in success of IVF. Gene expression profiles of implantation failure cases of unexplained infertility were compared with proven healthy oocyte donors as controls, both undergoing ovarian stimulation. The results provide additional information about gene expression profile related to endometrial receptivity in implantation failure cases especially under the influence of ovarian stimulation during IVF cycle.

2018-08-07 | GSE71835 | GEO

Podocalyxin governs the barrier function of human endometrial epithelium and critically regulates receptivity for embryo implantation

Project description:Embryo implantation is a key step in establishing pregnancy and a major limiting factor in IVF. Implantation requires the endometrium, the inner lining of the uterus, to transform from a non-receptive to a receptive state, to allow embryos to attach to the surface and enter into the tissue. However, the fundamental mechanisms governing receptivity are not well understood. Here we show that transmembrane protein podocalyxin is a major and clinically significant factor regulating human endometrial receptivity. Podocalyxin is expressed in all endometrial epithelial cells in the non-receptive state but is selectively down-regulated in the luminal epithelium at receptivity. We present evidence that podocalyxin critically governs the barrier function of the endometrial epithelium, likely as an intrinsic protective mechanism, rendering it non-receptive to an embryo. In addition, podocalyxin suppresses genes promoting receptivity (eg LIF, CSF1) but stimulates those inhibiting implantation (eg WNT7A, LEFTY2). Down-regulation of podocalyxin in the luminal epithelium, likely mediated by progesterone, selectively converts the endometrial surface to a more adhesive state that facilitates embryo attachment and penetration. Furthermore, inadequate down-regulation of podocalyxin in the endometrial luminal epithelium is associated with poorer implantation rates in IVF. We thus propose that podocalyxin promotes the barrier function of human endometrial epithelial cells and critically regulates receptivity for embryo implantation.

2021-04-01 | GSE148274 | GEO

Endometrial gene expression analysis at the time of embryo implantation in women with unexplained infertility

Project description:The aim of this study was to investigate the endometrial gene expression profile in women with unexplained infertility in comparison to fertile controls at the time of embryo implantation in order to find potential informative markers of uterine receptivity, and further, to identify the molecular mechanisms related to infertility.

2009-10-17 | GSE16532 | GEO

Study on VEGF regulation mechanism of acupuncture improving endometrial receptivity in IVF-ET

Project description:We find that the Endometrial Blood Vessel Generation is an important part ofthe establishment of Endometrial Receptivity. We have demonstrated inprevious experiments: Acupuncture in IVF-ET treatment can effectively improve Endometrial Receptivity and improve the pregnancy rate, therefore, we proposea VEGF signaling pathway in Acupuncture can improve Endometrial receptivity, thus improving the success rate of IVF-ET Hypothesis. Around the hypothesisintends to adopt the rat model of IVF-ET, through methods of acupuncture, acupuncture combined with blocker, research the related indexes effect performance that acupuncture on the VEGF signaling pathway in endometrial. Using experimental techniques such as Morphological observation, ELIAS, Immunohistochemistry, Real-time quantitative PCR, Methylation-sensitive high-resolution melting curve method(MS-HRM), to complete the research ofobserving the Effect of acupuncture interference IVF-ET, Blocking the impaction VEGF to the effect, the relationship VEGF or gene methylation inits receptors with effect. From the molecular level clarify the adverse effects and mechanism action that acupuncture will improve IVF-ET superovulation of endometrial receptivity, through adjust VEGF signaling pathway, to provide a scientific basis for acupuncture in IVF-ET treatment

2021-12-09 | GSE190472 | GEO

Single-cell transcriptome profiling of the human endometrium from patients with recurrent implantation failure

Project description:Despite great advances in assisted reproductive technology (ART), unexplained recurrent implantation failure (RIF) due to disorder of endometrial receptivity still cannot be effectively avoided. More importantly, cell characteristics and cell communication that regulate endometrial receptivity and differentiation, and its disorders in RIF at the window of implantation (WOI) remain rudimentary. Here we characterized the transcriptomes of four major cells in human endometrium from healthy control and RIF patients at single-cell resolution. We discovered the dynamic change characteristics of four major endometrial fibroblast-like cells with different endometrial receptivity, reported a novel pluripotent endometrial glandular epithelial cell with high levels of progesterone receptor and exosomes, and defined a unique ITGA1+CXCR4+ NK cell for connecting endometrial nonimmune cells and immune cell infiltration at the WOI. Additionally, we developed a systematic repository of cell-cell communication for endometrial differentiation and the opening of endometrial receptivity via the ligand-receptor complexes interactions. Our study provides deeper insights into aberrant molecular and cellular characterizations, and the endometrial microenvironmental disorders of RIF patients that are potentially applicable to improve the etiological diagnosis and therapeutics of unexplained RIF.

2022-09-16 | GSE183837 | GEO

Biological significance of CDYL in endometrial receptivity

Project description:Impaired endometrial receptivity is one of the major causes of recurrent implantation failure (RIF), and the underlying molecular mechanism has not been fully elucidated. We demonstrated that Chromodomain Y like (CDYL) was highly expressed in the endometrium at mid-secretory phase during the normal menstrual cycles. However, the expression of CDYL was down-regulated in the endometrial tissues obtained from women with RIF, consistently with the protein level of LIF, which is the marker of endometrial receptivity. Knockdown of CDYL significantly decreased the cell migration of human endometrial Ishikawa cells and primary endometrial cells. Genomic analyses revealed that CDYL gene silencing resulted in decreased expression of many genes associated with cytoskeleton and migration regulation.

2020-09-28 | GSE141239 | GEO

Expression profile of early and mid-secretory human endometrium revealed by RNA-seq: a paired-sample cohort study

Project description:Inner uterine lining or endometrium is a unique constantly self-renewed adult tissue that is vital for embryo implantation. As the footrace for universal endometrial receptivity markers continues, RNA-seq remains the most powerful tool for transcriptomic marker discovery. In this study, we aimed to elucidate endometrial maturation mechanisms at transcriptomic level and identify novel robust biomarker candidates for endometrial receptivity in a multicentre study. Additionally, we compared mid-secretory transcriptome profiles from healthy women with profiles of women with repeated IVF failure to find transcriptome changes related to problems with endometrial receptivity.

2020-11-07 | GSE106602 | GEO

Homo sapiens

Project description:Gene expression study of human endometrial receptivity in IVF implantation failure patients undergoing ovarian stimulation II

| PRJNA357245 | ENA

The impact of progesterone levels and timing of progesterone exposure on human endometrial receptivity

Project description:Different progesterone levels and timing of exposure results in different endometrial gene expression and implantation potential. Sufficient progesterone level is important to induce endometrial receptivity and endometrial expressed the most receptive stage after exposure to progesterone for 7 days based on decidualisation marker expression.

2020-03-12 | GSE146777 | GEO

Natural cycle frozen embryo transfer is superior to artificial cycle in women with recurrent implantation failure: endometrial transcriptome study

Project description:Transcriptome profile of receptive phase endometrium among infertile women with recurrent implantation failure (RIF) in two different endometrial preparation protocols for FET was analyzed: natural cycle (NC-FET) vs. artificial cycle (AC-FET). Fifteen endometrial biopsy samples were obtained: women with unexplained RIF (n = 5) in natural cycles for FET (NC-FET), women with unexplained RIF undergoing artificial endometrial preparation (n = 5) for FET (AC-FET), and healthy women (n = 5) with proven fertility in natural cycles (NC-FC) (Control group). All endometrial biopsies were obtained during the mid-secretory phase, at the time of ‘window of implantation’.

2016-01-15 | E-MTAB-3655 | biostudies-arrayexpress

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