ArticleMolecular reproduction and development2025
Role of Transcription Factor, LIM Homeobox 9 (LHX9) in Inflammatory Response by PGE2 and Thrombin in SERPINA1-Silencing Endometrial Stromal Cells.
Article in Molecular reproduction and development, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Dihydroorotate dehydrogenase (DHODH) regulates trophoblast syncytialization through organelle stress-induced cellular senescence.FEBS open bio · 2026Article
- An Integrative Framework Identifies Cooperative Targeting of Host Pathways by Tick Salivary miRNAs.Computational and structural biotechnology journal · 2026Article
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14 authors.
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Abstract
Endometriosis is hypothesized to result from retrograde menstruation where cell debris including endometrial stromal cells (ESCs) travel through the fallopian tubes. This chronic inflammatory disease is characterized by inflammatory and fibrotic endometrial tissue. We have previously observed reduced expression of the anti-inflammatory factor SERPINA1 in endometriosis-like lesions in a mouse model implanted with human ESCs. Additionally, pro-inflammatory factors present in peritoneal hemorrhage exacerbated inflammation in these grafts, partly through prostaglandin (PG) E2 and thrombin. However, it remains unclear whether the reduction of SERPINA1, in combination with PGE2 and thrombin, synergistically influences the expression of inflammatory factors in endometriosis lesions and the underlying mechanisms. We analyzed RNA sequencing data from ESCs treated with SERPINA1 siRNA and PGE2/thrombin, comparing them to data sets derived from ESCs subjected to either SERPINA1 knockdown or PGE2/thrombin treatment. Comparative analysis identified 49 transcripts that were upregulated under both conditions and enriched for transcription regulatory genes, including SNAI1, HDAC5, PBX1, SOX4, EPAS1, LHX9, and MAFK. Silencing SNAI1, HDAC5, SOX4, EPAS1, or LHX9 suppressed IL6, CXCL8, and IL1B expression, which had been upregulated by SERPINA1 siRNA and PGE2/thrombin. Among these genes, LHX9 expression was significantly elevated in ectopic lesions, predominantly localized to stromal and glandular epithelial cells, with more pronounced expression during the secretory phase. LHX9 levels were also increased in endometriotic lesions compared to the normal endometrium. In conclusion, reduced SERPINA1 expression in ectopic ESCs, combined with PGE2/thrombin, induces inflammatory cytokine expression linked to LHX9. Pharmacological targeting of LHX9 may present a promising therapeutic strategy for mitigating chronic inflammation in endometriotic lesions.
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