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.

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.