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Analysis of Combinatorial miRNA Treatments to Regulate Cell Cycle and Angiogenesis
Published on: March 30, 2019
miR-142-3p is a novel regulator of cell viability and proinflammatory signalling in endometrial stroma cells
Christin Susanna Kästingschäfer1, Sebastian Daniel Schäfer1, Ludwig Kiesel1
1Department of Gynaecology and Obstetrics, Münster University Hospital, Münster 48149, Germany.
Abstract:
Endometriosis is associated with severe pelvic pain and reduced fertility. Recently, it has been linked to a dysregulation of microRNAs (miRNAs), which are post-transcriptional regulators of gene expression. The functional effect of dysregulated miR-142-3p expression in endometrial stroma cells was investigated. An increased expression of miR-142-3p resulted in a significantly reduced expression of steroid sulfatase and interleukin-6-coreceptor gp130 as well as reduced interleukin-6-mediated activation of the STAT3-pathway, suggesting an effect of miR-142-3p both on steroid hormone- and cytokine-mediated signalling events. At the functional level, miR-142-3p overexpression significantly reduced cell viability (P ≤ 0.01). miR-142-3p regulation emerges as a future therapeutic strategy for endometriosis.
Insights
MicroRNA-142-3p dysregulation impacts endometriosis by affecting steroid hormone and cytokine signaling. Its overexpression reduces cell viability, suggesting miR-142-3p as a potential therapeutic target for endometriosis.
Area of Science:
- Reproductive biology
- Molecular endocrinology
- Cellular signaling
Background:
- Endometriosis is characterized by pelvic pain and infertility.
- MicroRNAs (miRNAs) are implicated in endometriosis pathogenesis through gene expression regulation.
- Dysregulation of specific miRNAs, like miR-142-3p, is increasingly recognized in this condition.
Purpose of the Study:
- To investigate the functional impact of altered miR-142-3p expression in endometrial stroma cells.
- To elucidate the role of miR-142-3p in steroid hormone and cytokine signaling pathways relevant to endometriosis.
Main Methods:
- Overexpression of miR-142-3p in endometrial stroma cells.
- Quantification of steroid sulfatase and gp130 gene expression.
- Assessment of interleukin-6-mediated STAT3 pathway activation.
- Evaluation of cell viability following miR-142-3p manipulation.
Main Results:
- Increased miR-142-3p expression led to significantly reduced steroid sulfatase and gp130 levels.
- Interleukin-6-mediated STAT3 pathway activation was diminished.
- Overexpression of miR-142-3p significantly decreased endometrial stroma cell viability.
Conclusions:
- miR-142-3p influences both steroid hormone and cytokine signaling in endometrial cells.
- Dysregulated miR-142-3p impacts key pathways involved in endometriosis.
- Targeting miR-142-3p represents a promising future therapeutic strategy for endometriosis management.

