The Study
Progesterone and vitamin D downregulate the activation of the NLRP1/NLRP3 inflammasomes and TLR4-MyD88-NF-κB pathway in monocytes from pregnant women with preeclampsia.
This study looked at immune cells from a few pregnant women in a test tube and saw that adding progesterone or vitamin D made some inflammation signals go down. But it didn't test if this actually helps women feel better or prevents preeclampsia — it's just a lab observation.
Analysis score
Maximum 44 for a cross-sectional study.
Where the score came from
In pregnant women with preeclampsia, their immune cells are extra angry and cause inflammation. Scientists tested if progesterone and vitamin D can quiet them down — and they did.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 542 / 100
Quality score
Snapshots of a population at a single point in time, or descriptions of small groups. Can identify correlations and prevalence, but cannot determine cause and effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes — calming these immune cells could help reduce dangerous inflammation in preeclampsia, potentially leading to new treatments.
- 2Monocytes from preeclamptic women had higher levels of inflammatory markers (like NLRP3, NF-κB, IL-1β) — these dropped significantly when treated with progesterone or vitamin D in the lab.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Journal of reproductive immunology
Year
2021
Authors
M. L. Matias, M. Romão-Veiga, V. R. Ribeiro, P. Nunes, V. J. Gomes, A. C. Devides, V. T. Borges, G. Romagnoli, J. Peraçoli, M. Peraçoli
Related Content
Claims (6)
When your body uses vitamin D properly, it helps calm down your immune system by turning off genes that cause inflammation, which can make you feel less swollen or sore.
When scientists test immune cells from pregnant women with a condition called preeclampsia, adding progesterone or vitamin D to the cells in a lab seems to calm down their inflammation. It’s like turning down the volume on the body’s alarm system.
When women have preeclampsia during pregnancy, their immune cells called monocytes are more active and produce more inflammatory signals than those in pregnant women without this condition, suggesting their bodies are in a constant low-level inflammatory state.
In women with a pregnancy complication called preeclampsia, a substance called hyaluronan makes immune cells more inflamed, but two other substances—progesterone and vitamin D—can calm that inflammation down in lab tests.
Scientists found that a lab-grown type of immune cell (called THP-1) acts like the immune cells from pregnant women with preeclampsia — it shows the same signs of inflammation. This makes it a useful tool for studying the condition without using human patients.
In women with a pregnancy complication called preeclampsia, two natural substances—progesterone and vitamin D—may calm down an overactive immune response in certain blood cells, which could help reduce harmful inflammation.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.