E-GEOD-47577
Ontology highlight
ABSTRACT:
OTHER RELATED OMICS DATASETS IN: PRJNA206187
PROVIDER: E-GEOD-47577 | ExpressionAtlas | 2025-01-24
REPOSITORIES: ExpressionAtlas
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| E-GEOD-47577-analysis-methods.tsv | Tabular | |||
| E-GEOD-47577-atlasExperimentSummary.Rdata | Rdata | |||
| E-GEOD-47577-configuration.xml | Xml | |||
| E-GEOD-47577-percentile-ranks.tsv | Tabular | |||
| E-GEOD-47577.condensed-sdrf.tsv | Tabular |
Items per page: 5 1 - 5 of 71 |
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Project description:Uterine NK cells (uNK) play a role in the regulation of placentation but their functions in non-pregnant endometrium are not understood. We have previously reported suppression of endometrial bleeding and alteration of spiral artery morphology in women exposed to asoprisnil, a progesterone receptor modulator (PRM). We now compare global endometrial gene expression in asoprisnil-treated versus control women and demonstrate a statistically significant reduction of genes in the IL-15 pathway, known to play a key role in uNK development and function. Suppression of IL-15 by asoprisnil was also observed at mRNA level (p<0.05), and immunostaining for NK cell marker CD56 revealed a striking reduction of uNK in asoprisnil-treated endometrium (p<0.001). IL-15 levels in normal endometrium are progesterone-responsive. Progesterone receptor (PR) positive stromal cells transcribe both IL-15 and IL-15RA. Thus, the response of stromal cells to progesterone will be to increase IL-15 trans-presentation to uNK, supporting their expansion and differentiation. In asoprisnil-treated endometrium, there is a marked down-regulation of stromal PR expression and virtual absence of uNK. These novel findings indicate that the IL-15 pathway provides a missing link in the complex interplay between endometrial stromal cells, uNK and spiral arteries affecting physiological and pathological endometrial bleeding. 39 Samples
2013-08-23 | E-GEOD-47577 | biostudies-arrayexpress
Project description:Uterine NK cells (uNK) play a role in the regulation of placentation but their functions in non-pregnant endometrium are not understood. We have previously reported suppression of endometrial bleeding and alteration of spiral artery morphology in women exposed to asoprisnil, a progesterone receptor modulator (PRM). We now compare global endometrial gene expression in asoprisnil-treated versus control women and demonstrate a statistically significant reduction of genes in the IL-15 pathway, known to play a key role in uNK development and function. Suppression of IL-15 by asoprisnil was also observed at mRNA level (p<0.05), and immunostaining for NK cell marker CD56 revealed a striking reduction of uNK in asoprisnil-treated endometrium (p<0.001). IL-15 levels in normal endometrium are progesterone-responsive. Progesterone receptor (PR) positive stromal cells transcribe both IL-15 and IL-15RA. Thus, the response of stromal cells to progesterone will be to increase IL-15 trans-presentation to uNK, supporting their expansion and differentiation. In asoprisnil-treated endometrium, there is a marked down-regulation of stromal PR expression and virtual absence of uNK. These novel findings indicate that the IL-15 pathway provides a missing link in the complex interplay between endometrial stromal cells, uNK and spiral arteries affecting physiological and pathological endometrial bleeding.
2013-08-23 | GSE47577 | GEO
Project description:The endometrium contains a distinct population of immune cells consisting of 70% natural killer (NK) cells that undergo cyclic changes during the menstrual cycle. However, how these uterine NK (uNK) cells interact with uterine stromal cells (SC) remains unclear. We therefore investigated the paracrine effect of medium conditioned by uNK cells on the gene expression profile of endometrial SC in-vitro using a cDNA Microarray. Our results, verified by real-time PCR and ELISA, reveal that soluble factors from uNK cells substantially alter endometrial SC gene expression. The largest group of up-regulated genes found were chemokines and cytokines, including IL-15 and IL-15Rα. The latter could produce a niche for uNK cells allowing proliferation within and recruitment into the uterus, as seen in bone marrow. In addition, the most abundantly up-regulated genes, including IL-8, CCL8 and CXCL1 have also been shown to be stimulated by contact of SC with trophoblast, suggesting that uNK cells work synergistically to support the initial trophoblast migration during implantation. Overall this study demonstrates for the first time the paracrine communication between uNK cells and uterine SC, and adds to the understanding of how the uterine immune system contributes to the changes seen within the cycling endometrium. Keywords: Response of endometrial stromal cells to uNK conditioned medium
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Project description:The endometrium contains a distinct population of immune cells consisting of 70% natural killer (NK) cells that undergo cyclic changes during the menstrual cycle. However, how these uterine NK (uNK) cells interact with uterine stromal cells (SC) remains unclear. We therefore investigated the paracrine effect of medium conditioned by uNK cells on the gene expression profile of endometrial SC in-vitro using a cDNA Microarray. Our results, verified by real-time PCR and ELISA, reveal that soluble factors from uNK cells substantially alter endometrial SC gene expression. The largest group of up-regulated genes found were chemokines and cytokines, including IL-15 and IL-15Rα. The latter could produce a niche for uNK cells allowing proliferation within and recruitment into the uterus, as seen in bone marrow. In addition, the most abundantly up-regulated genes, including IL-8, CCL8 and CXCL1 have also been shown to be stimulated by contact of SC with trophoblast, suggesting that uNK cells work synergistically to support the initial trophoblast migration during implantation. Overall this study demonstrates for the first time the paracrine communication between uNK cells and uterine SC, and adds to the understanding of how the uterine immune system contributes to the changes seen within the cycling endometrium. Keywords: Response of endometrial stromal cells to uNK conditioned medium This study was designed to identify the response of non-decidualised stromal cells from the endometrium, to soluble factors secreted by uterine NK cells. Endometrial stromal cells were isolated from 7 patients and treated with control medium or medium conditioned by uterine Nk cells. THE 'REF' COLUMN ON EACH ARRAY IS THE SIGNAL PRODUCED BY A COMMON REFERNCE RNA SAMPLE THAT WAS LABELLED AS A SINGLE BATCH SAMPLE AND HYBRIDISED TO ALL THE ARRAYS- IT IS A 'COMMON REFERENCE'. THE 'TEST' SAMPLE COMPRISES EACH INDIVIDUAL SAMPLE OF CELLS TREATED AS DESCRIBED IN THE SERIES SUBMISSION. FOR EXAMPLE; SAMPLE Y1 (gsm2435820) IS RNA FROM PATIENT 1 TREATED WITH CONTROL MEDIUM, SAMPLE G1 (GSM245371) IS RNA FROM PATIENT 1 TREATED WITH NK CONDITIONED MEDIUM THESE TWO SAMPLES THEREFORE FORM A PAIR- IE CELLS FROM THE SAME PATIENT TREATED WITH CONTROL OR NK-CONDITIONED MIDIUM. Y2,G2 ARE FROM PATIENT 2, ETC
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