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Microvascular Permeability, Inflammation, and Lesion Physiology in Endometriosis: A Microphysiological Systems Approach

ABSTRACT: Microvascular Permeability, Inflammation, and Lesion Physiology in Endometriosis: A Microphysiological Systems Approach

PROVIDER: PRJNA987020 | ENA |

REPOSITORIES: ENA

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Microvascular Permeability, Inflammation, and Lesion Physiology in Endometriosis: A Microphysiological Systems Approach

Project description:Microvascular Permeability, Inflammation, and Lesion Physiology in Endometriosis: A Microphysiological Systems Approach

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Peritoneal endometriosis

Project description:We performed gene expression analysis human peritoneal endometriosis lesions, eutopic endometrium from endometriosis patients and peritoneum form endometriosis patients.The goal of the study was to analyse gene expression differences between peritoneal endometriosis lesion and eutopic endometrium and peritoneal endometriosis lesion and peritoneum.

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RNA-sequencing reveals novel molecular mechanisms of endometriosis lesion development in a mouse model

Project description:Our understanding of molecular mechanisms contributing to the pathophysiology of endometriosis, and their upstream regulators, remains limited. Using a C57Bl/6 mouse model of endometriosis in which decidualized endometrial tissue fragments are transferred to subcutaneous sites in recipient mice to mimic endometriosis lesions, we have generated a comprehensive profile of gene expression in decidualized endometrial tissue (n=4), and endometriosis-like lesions at Day 7 (n=4) and Day 14 (n=4) of lesion formation. High throughput mRNA sequencing allowed identification of genes and pathways involved in the initiation and progression of endometriosis-like lesions. We found distinct patterns of gene expression with substantial differences between the lesions and the decidualized endometrium from which they arose, but no differentially expressed genes between the two lesion timepoints. The transcriptional changes at the outset of lesion formation indicated substantial upregulation of immune response-associated canonical pathways. Pathway enrichment analysis indicates multiple potential endogenous upstream regulators, and reveals multiple gene candidates not previously implicated in endometriosis lesion formation suggesting these mediators may have novel roles in disease progression. Collectively, the provided data will be a valuable resource to inform research on the molecular mechanisms contributing to endometriosis development.

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High-fat diet promotion of endometriosis in an immunocompetent mouse model is associated with altered peripheral and ectopic lesion redox and inflammatory status

Project description:Endometriosis is a benign gynecological condition that causes significant morbidity due to reduced fertility, pelvic pain and inflammatory dysfunctions. High-fat dietary intake has been linked to higher systemic inflammation and oxidative stress, which are both features of women with endometriosis. We evaluated the effects of high-fat diet (HFD) on endometriosis progression using immunocompetent mouse model wherein ectopic lesion was induced in wildtype and kruppel-like factor 9 (KLF9)- null donor mice. Results showed that HFD leads to increased ectopic lesion numbers and higher body weight gain. The HFD-promotion of lesion establishment was associated with decreased stromal estrogen receptor 1 and progesterone receptor expression, increased macrophage infiltration, and enhanced expression of pro-inflammarory and pro-oxidative stress pathway genes. Further, lesion-bearing mice had higher peritoneal fluid TNF-α and elevated local/systemic redox status than control-fed mice.

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Project description:Endometriosis, a benign inflammatory disease whereby endometrial-like tissue grows outside the uterus, is a risk factor for endometriosis-associated ovarian cancers. In particular, ovarian endometriomas, cystic lesions of deeply invasive endometriosis, are considered the precursor lesion for ovarian clear-cell carcinoma (OCCC). To explore the transcriptomic landscape, OCCC from women with pathology-proven concurrent endometriosis (n = 4) were compared to benign endometriomas (n = 4) by bulk RNA and small-RNA sequencing.

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