ArticleJournal of translational medicine2024
Estetrol/GPER/SERPINB2 transduction signaling inhibits the motility of triple-negative breast cancer cells.
Article in Journal of translational medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Article
- Estetrol and its implications for contraception, venous thromboembolism, and breast cancer: an integrative review.Jornal vascular brasileiro · 2026Review
- Interleukin-1β mediates a tumor-supporting environment prompted by IGF1 in triple-negative breast cancer (TNBC).Journal of translational medicine · 2025Article
- Serpin Family B Member 2 Polymorphisms in Patients with Diabetic Kidney Disease: An Association Study.International journal of molecular sciences · 2024Article
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10 authors.
Funding
Abstract
backgroundEstetrol (E4) is a natural estrogen produced by the fetal liver during pregnancy. Due to its favorable safety profile, E4 was recently approved as estrogenic component of a new combined oral contraceptive. E4 is a selective ligand of estrogen receptor (ER)α and ERβ, but its binding to the G Protein-Coupled Estrogen Receptor (GPER) has not been described to date. Therefore, we aimed to explore E4 action in GPER-positive Triple-Negative Breast Cancer (TNBC) cells.
methodsThe potential interaction between E4 and GPER was investigated by molecular modeling and binding assays. The whole transcriptomic modulation triggered by E4 in TNBC cells via GPER was explored through high-throughput RNA sequencing analyses. Gene and protein expression evaluations as well as migration and invasion assays allowed us to explore the involvement of the GPER-mediated induction of the plasminogen activator inhibitor type 2 (SERPINB2) in the biological responses triggered by E4 in TNBC cells. Furthermore, bioinformatics analysis was aimed at recognizing the biological significance of SERPINB2 in ER-negative breast cancer patients.
resultsAfter the molecular characterization of the E4 binding capacity to GPER, RNA-seq analysis revealed that the plasminogen activator inhibitor type 2 (SERPINB2) is one of the most up-regulated genes by E4 in a GPER-dependent manner. Worthy, we demonstrated that the GPER-mediated increase of SERPINB2 is engaged in the anti-migratory and anti-invasive effects elicited by E4 in TNBC cells. In accordance with these findings, a correlation between SERPINB2 levels and a good clinical outcome was found in ER-negative breast cancer patients.
conclusionsOverall, our results provide new insights into the mechanisms through which E4 can halt migratory and invasive features of TNBC cells.
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