Retinoic Acid Treatment Alters Leiomyoma Cells to Resemble Myometrial Cells
Author Information
Author(s): Malik Minnie, Webb Joy, Catherino William H
Primary Institution: Uniformed Services University of the Health Sciences
Hypothesis
Reduced intracellular all-trans-retinoic acid (ATRA) concentrations in leiomyoma cells may result in alteration of various signaling pathways that control its phenotype.
Conclusion
Exposure of leiomyomas to ATRA down-regulated cell proliferation, ECM formation, RA metabolism and TGF-β regulation, suggesting that RA exposure can alter the leiomyoma phenotype to one that more closely approximates normal myometrium.
Supporting Evidence
- ATRA treatment inhibited proliferation of leiomyoma cells.
- Collagen production decreased in leiomyoma cells treated with ATRA.
- Gene expression of ECM components was altered to resemble myometrial cells after ATRA treatment.
Takeaway
This study found that a substance called retinoic acid can help change abnormal cells in uterine tumors to behave more like normal cells.
Methodology
The study involved immortalized and molecularly confirmed cells generated from surgical specimens of spontaneous uterine leiomyoma and matched myometrium, with various assays to measure cell proliferation and gene expression.
Limitations
The study primarily used immortalized cell lines, which may not fully replicate in vivo conditions.
Participant Demographics
Women undergoing medically indicated hysterectomy for symptomatic leiomyomas.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website