Extract of Maackia amurensis containing genistein and resveratrol demonstrated competitive specific binding to estradiol receptors with more affinity for ERβ (average RBA = 6.25%) than for ERα (average RBA = 0.67%) in tests with experimental animals and clinical materials (endometrium biopsy). Associated flavonoids in the extract bound insignificantly to ERs although they could have a potentiating effect in the whole extract. Therefore, M. amurensis extract contained various phytoestrogens that determined the therapeutic potential (effect on cell growth, inflammation, apoptosis, angiogenesis, carbohydrate and lipid metabolism).
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Translated from Khimiko-Farmatsevticheskii Zhurnal, Vol. 52, No. 10, pp. 10 – 10, October, 2018.
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Kareva, E.N., Tikhonov, D.A., Mironov, S.E. et al. Binding Constants of Maackia Amurensis Whole Extract and its Separate Flavanoids to Estradiol Receptors. Pharm Chem J 52, 855–859 (2019). https://doi.org/10.1007/s11094-019-1914-x
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DOI: https://doi.org/10.1007/s11094-019-1914-x