ArticleInternational journal of molecular sciences2021
ERα36-GPER1 Collaboration Inhibits TLR4/NFκB-Induced Pro-Inflammatory Activity in Breast Cancer Cells.
Article in International journal of molecular sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 24 citations in OpenAlex.
- Anticancer Potential of Cherry Extracts and Major Flavonols: Focus on Quercetin and Kaempferol Molecular Mechanisms in Breast Cancer.International journal of molecular sciences · 2026Review
- Effect of ligands and HIV latency-reversing agents on estrogen receptor α in CD4+ T cells.JCI insight · 2026Article
- More than alternative estrogen receptors: the emerging role of GPER-1 and ERα36 in breast cancer.Exploration of targeted anti-tumor therapy · 2026Review
- Functional and clinical significance of the RNA mNPJ breast cancer · 2025Article
- Article
- Mitigation of QingLuoTongMai Pills on Chemotherapy-induced Phlebitis: A Network Pharmacology Study and Experimental Validation.Combinatorial chemistry & high throughput screening · 2025Article
- Endothelial oestrogen-myocardial cyclic guanosine monophosphate axis critically determines angiogenesis and cardiac performance during pressure overload.Cardiovascular research · 2024Article
- Pig-Derived ProbioticAnimals : an open access journal from MDPI · 2024Article
- Review
- Different Expression Pattern of G Protein-Coupled Estrogen Receptor GPER1 in Esophageal Squamous Cell Carcinoma and Adenocarcinoma.International journal of molecular sciences · 2023Article
- Localisation of oestrogen receptors in stem cells and in stem cell-derived neurons of the mouse.Journal of neuroendocrinology · 2023Article
- Special Issue: "G Protein-Coupled Receptor and Their Kinases in Cell Biology and Disease 2.0".International journal of molecular sciences · 2022Article
- The Impact of Estrogens and Their Receptors on Immunity and Inflammation during Infection.Cancers · 2022Review
- Rewiring of the Endocrine Network in Triple-Negative Breast Cancer.Frontiers in oncology · 2022Review
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
Inflammation is important for the initiation and progression of breast cancer. We have previously reported that in monocytes, estrogen regulates TLR4/NFκB-mediated inflammation via the interaction of the Erα isoform ERα36 with GPER1. We therefore investigated whether a similar mechanism is present in breast cancer epithelial cells, and the effect of ERα36 expression on the classic 66 kD ERα isoform (ERα66) functions. We report that estrogen inhibits LPS-induced NFκB activity and the expression of downstream molecules TNFα and IL-6. In the absence of ERα66, ERα36 and GPER1 are both indispensable for this effect. In the presence of ERα66, ERα36 or GPER1 knock-down partially inhibits NFκB-mediated inflammation. In both cases, ERα36 overexpression enhances the inhibitory effect of estrogen on inflammation. We also verify that ERα36 and GPER1 physically interact, especially after LPS treatment, and that GPER1 interacts directly with NFκB. When both ERα66 and ERα36 are expressed, the latter acts as an inhibitor of ERα66 via its binding to estrogen response elements. We also report that the activation of ERα36 leads to the inhibition of breast cancer cell proliferation. Our data support that ERα36 is an inhibitory estrogen receptor that, in collaboration with GPER1, inhibits NFκB-mediated inflammation and ERα66 actions in breast cancer cells.
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