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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Richardson, Riina
University of Manchester
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (3/3 displayed)
- 2020High-volume culture and quantitative real-time PCR for the detection of Aspergillus in sputumcitations
- 2018Estrogenicity of essential oils is not required to relieve symptoms of urogenital atrophy in breast cancer survivorscitations
- 2010Patterned macroarray plates in comparison of bacterial adhesion inhibition of tantalum, titanium, and chromium compared with diamond-like carboncitations
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article
Estrogenicity of essential oils is not required to relieve symptoms of urogenital atrophy in breast cancer survivors
Abstract
Background: Urogenital atrophy (UA) is a common treatment-limiting side effect of endocrine therapies. Topical estrogen is effective but systemic absorption may counter aromatase inhibitor efficacy. Numerous complementary approaches are marketed for use in UA without rigorous testing of their estrogenicity. Wetested multiple essential oils in cancer cell growth and estrogen reporter assays in vitro and assessed clinical outcomes with the essential oil pessaries (EOP) in breast cancer survivors with UA.<br/>Methods: Effects on cell growth were tested in hormone dependent (MCF-7) and independent (MDA-MB-231) cell lines using the sulforhodamine-B assay. An estrogenic response element (ERE) luciferase reporter assay was used to assess estrogenicity directly. Antifungal activity against two common pathogenic yeasts was assessed using standard microdilution methods. EOPs were offered to breast cancer survivors with symptomatic UA and the service evaluated using serial questionnaires.<br/>Results: Two essential oils, Cymbopogon martinii and Pelargonium graveolens, demonstrated marked estrogenicity, stimulating ER+ cell growth and ERE-luciferase reporter activity to levels seen with premenopausal estradiol concentrations. Additional oils were screened for estrogenicity and Lavandula angustifolia and Chamaemelum nobile identified as non/minimally estrogenic. The antifungal activity of this combination of oils was confirmed. A second cohort of breast cancer survivors with UA received the second generation EOP with comparable improvement in symptom scores suggesting that estrogenicity may not be required for optimal therapy of UA. <br/>Conclusion: Certain essential oils demonstrate profound estrogenicity and caution should be exercised before their use in breast cancer survivors. Our minimally estrogenic pessary will be formally tested in clinical trials.<br/>