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Selective suppression of endothelial cytokine production by progesterone receptor [RNA-seq]

ABSTRACT: Steroid hormones are well-recognized suppressors of the inflammatory response, however, their cell- and tissue-specific effects in the regulation of inflammation are far less understood, particularly for the sex-related steroids. To determine the contribution of progesterone in the endothelium, we have characterized and validated an in vitro culture system in which human umbilical vein endothelial cells constitutively express human progesterone receptor (PR). Using next generation RNA-sequencing, we identified a selective group of cytokines that are suppressed by progesterone both under physiological conditions and during pathological activation by lipopolysaccharide. In particular, IL-6, IL-8, CXCL2/3, and CXCL1 were found to be direct targets of PR, as determined by ChIP-sequencing. Regulation of these cytokines by progesterone was also confirmed by bead-based multiplex cytokine assays and quantitative PCR. These findings provide a novel role for PR in the direct regulation of cytokine levels secreted by the endothelium. They also suggest that progesterone-PR signaling in the endothelium directly impacts leukocyte trafficking in PR-expressing tissues

ORGANISM(S): Homo sapiens

PROVIDER: GSE46502 | GEO | 2014/01/01

SECONDARY ACCESSION(S): PRJNA200693

REPOSITORIES: GEO

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Selective suppression of endothelial cytokine production by progesterone receptor [RNA-seq]

Project description:Steroid hormones are well-recognized suppressors of the inflammatory response, however, their cell- and tissue-specific effects in the regulation of inflammation are far less understood, particularly for the sex-related steroids. To determine the contribution of progesterone in the endothelium, we have characterized and validated an in vitro culture system in which human umbilical vein endothelial cells constitutively express human progesterone receptor (PR). Using next generation RNA-sequencing, we identified a selective group of cytokines that are suppressed by progesterone both under physiological conditions and during pathological activation by lipopolysaccharide. In particular, IL-6, IL-8, CXCL2/3, and CXCL1 were found to be direct targets of PR, as determined by ChIP-sequencing. Regulation of these cytokines by progesterone was also confirmed by bead-based multiplex cytokine assays and quantitative PCR. These findings provide a novel role for PR in the direct regulation of cytokine levels secreted by the endothelium. They also suggest that progesterone-PR signaling in the endothelium directly impacts leukocyte trafficking in PR-expressing tissues Examination of PR target genes in human umbilical vein endothelial cells (HUVECs) using RNA-seq PR infected only (PR); PR infected followed by ligand treatment (PR+P); PR infected followed by 4h LPS treatment (PR+LPs_4h); PR infected followed by 8h LPS treatment (PR+LPs_8h); PR infected followed by 4h LPS and progesterone treatment (PR+LPS+P_4h); PR infected followed by 8h LPS and progesterone treatment (PR+LPS+P_8h)

2014-01-01 | E-GEOD-46502 | biostudies-arrayexpress

Expression data from U373 cell lines

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Physiological Vascular Permeability Requires Induction of Endothelial NR4A1 by Progesterone Receptor [RNA-Seq]

Project description:Vascular permeability is frequently associated with inflammation and it is triggered by chemokines and by a cohort of secreted permeability factors, such as VEGF. In contrast, here we showed that the physiological vascular permeability that precedes implantation is directly controlled by progesterone receptor (PR) and it is independent of VEGF. Both global and endothelial-specific deletion of PR block physiological vascular permeability in the uterus while misexpression of PR in the endothelium of other organs results in ectopic vascular leakage. Integration of genome-wide transcriptional profile of endothelium and ChIP-sequencing revealed that PR induces a NR4A1 (Nur77/TR3) specific transcriptional program that broadly regulates vascular permeability in response to progesterone. This program triggers concurrent suppression of several junctional proteins and leads to an effective, timely and venule-specific regulation of vascular barrier function. Silencing NR4A1 blocks PR-mediated permeability responses indicating a direct link between PR and NR4A1. These results reveal a previously unknown function for progesterone receptor on endothelial cell biology with consequences to physiological vascular permeability and implications to the clinical use of progestins and anti-progestins on blood vessel integrity. Examination of PR target genes in human umbilical vein endothelial cells (HUVECs) using RNA-seq (PR infected only -PR only and PR infected followed by ligand treatment-PR+P)

2014-01-01 | E-GEOD-43788 | biostudies-arrayexpress

Physiological Vascular Permeability Requires Induction of Endothelial NR4A1 by Progesterone Receptor [ChIP-Seq]

Project description:Vascular permeability is frequently associated with inflammation and it is triggered by chemokines and by a cohort of secreted permeability factors, such as VEGF. In contrast, here we showed that the physiological vascular permeability that precedes implantation is directly controlled by progesterone receptor (PR) and it is independent of VEGF. Both global and endothelial-specific deletion of PR block physiological vascular permeability in the uterus while misexpression of PR in the endothelium of other organs results in ectopic vascular leakage. Integration of genome-wide transcriptional profile of endothelium and ChIP-sequencing revealed that PR induces a NR4A1 (Nur77/TR3) specific transcriptional program that broadly regulates vascular permeability in response to progesterone. This program triggers concurrent suppression of several junctional proteins and leads to an effective, timely and venule-specific regulation of vascular barrier function. Silencing NR4A1 blocks PR-mediated permeability responses indicating a direct link between PR and NR4A1. These results reveal a previously unknown function for progesterone receptor on endothelial cell biology with consequences to physiological vascular permeability and implications to the clinical use of progestins and anti-progestins on blood vessel integrity. Examination of PR binding sites in HUVEC cells using ChIP-seq (non-infected-negative control, PR infected followed by ligand treatment-PR+P or vehicle PR)

2014-01-01 | E-GEOD-43786 | biostudies-arrayexpress

Expression data from U373 cell lines

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Physiological Vascular Permeability Requires Induction of Endothelial NR4A1 by Progesterone Receptor [RNA-Seq]

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Physiological Vascular Permeability Requires Induction of Endothelial NR4A1 by Progesterone Receptor [ChIP-Seq]

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Mechanisms of Chorioamnionitis-associated Preterm Birth: Interleukin 1 β inhibits Progesterone Receptor Expression in Decidual Cells

Project description:In chorioamnionitis (CAM), a major cause of preterm birth (PTB), maternal-fetal inflammatory responses in the decidua and amnio-chorion cause the release of cytokines that elicit cervical ripening, fetal membrane rupture and myometrial activation. We posited that this inflammatory milieu can trigger PTB via inhibited progesterone receptor (PR) expression and increased decidual prostaglandin (PG) production. We found significantly lower decidual cell PR levels in CAM-complicated PTB using immunohistochemistry. Decidual cells (DCs) treated with IL-1β displayed decreased PR expression and significantly increased PGE2 and PGF2α production and COX2 expression. While addition of PGF2α to DC cultures was also found to suppress PR expression, the COX inhibitor, indomethacin, did not reverse IL-1β suppression of PR expression in DC cultures. Although IL-1β treatment activated NF-B, ERK1/2 and p38 MAPK signaling cascades in DCs, only inhibition of ERK1/2 MAPK signaling completely reversed IL-1β suppressed PR levels. These findings suggest that CAM-associated PTB is induced at least in part by IL-1β-mediated functional progesterone withdrawal.

2015-02-11 | GSE65835 | GEO

An open-label, uncontrolled, single-arm pilot study to evaluate vascular interventional therapy mediated CEA-targeted chimeric antigen receptor T cells in advanced colorectal cancer

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Regulation of endometrial bleeding by uNK cells

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

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