Effects of Estrogens and Modulators on Tissue Factor Pathway Inhibitor Production
Author Information
Author(s): Dahm Anders, Iversen Nina, Birkenes Baard, Ree Anne Hansen, Sandset Per Morten
Primary Institution: Department of Haematology, Ullevål University Hospital, University of Oslo
Hypothesis
Do estrogens and estrogen receptor modulators inhibit tissue factor pathway inhibitor production in endothelial cells?
Conclusion
Estrogens and estrogen receptor modulators inhibit endothelial production of tissue factor pathway inhibitor by a mechanism that does not involve transcription.
Supporting Evidence
- All tested compounds reduced TFPI in cell medium and lysates.
- Fulvestrant counteracted the inhibitory effect of raloxifene on TFPI production.
- TFPI mRNA levels were not significantly changed by the treatments.
Takeaway
This study found that certain hormones can lower a protein that helps prevent blood clots in blood vessels, which might increase the risk of clots.
Methodology
Human endothelial cell cultures were treated with various compounds, and TFPI levels were measured using enzyme-linked immunosorbent assay and quantitative PCR.
Limitations
The study did not explore the long-term effects of these compounds on TFPI production.
Participant Demographics
Cells from both female and male donors were used.
Statistical Information
P-Value
p ≤ 0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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