Estrogen and Thyroid Hormone Receptor Activation by Medicinal Plants from Bahia, Brazil
AbstractBackground: A number of medicinal plants are traditionally used for metabolic disorders in Bahia state, Brazil. The aim of this study was to evaluate the estrogen receptor (ER) and thyroid receptor (TR) activation of crude extracts prepared from 20 plants. Methods: Species were extracted and assayed for receptor activation through both ER and TR gene-reporter assays, using 17β-estradiol and triiodothyronine (T3), respectively, as the positive controls. Results: Cajanus cajan (Fabaceae), Abarema cochliacarpus (Fabaceae), and Borreria verticillata (Rubiaceae) were able to activate ER as much as the positive control (17β-estradiol). These three plant species were also assayed for TR activation. At the concentration of 50 µg/mL, C. cajans exerted the highest positive modulation on TR, causing an activation of 59.9%, while B. verticillata and A. cochliacarpus caused 30.8% and 23.3%, respectively. Conclusions: Our results contribute towards the validation of the traditional use of C. cajans, B. verticillata, and A. cochliacarpus in the treatment of metabolic disorders related to ER and TR functions. The gene-reporter assay was proven effective in screening crude plant extracts for ER/TR activation, endorsing this methodology as an important tool for future bioprospection studies focused on identifying novel starting molecules for the development of estrogen and thyroid agonists. View Full-Text
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Reis, L.T.C.; da Silva, M.R.D.; Costa, S.L.; Velozo, E.S.; Batista, R.; da Cunha Lima, S.T. Estrogen and Thyroid Hormone Receptor Activation by Medicinal Plants from Bahia, Brazil. Medicines 2018, 5, 8.
Reis LTC, da Silva MRD, Costa SL, Velozo ES, Batista R, da Cunha Lima ST. Estrogen and Thyroid Hormone Receptor Activation by Medicinal Plants from Bahia, Brazil. Medicines. 2018; 5(1):8.Chicago/Turabian Style
Reis, Luã T.C.; da Silva, Magnus R.D.; Costa, Silvia L.; Velozo, Eudes S.; Batista, Ronan; da Cunha Lima, Suzana T. 2018. "Estrogen and Thyroid Hormone Receptor Activation by Medicinal Plants from Bahia, Brazil." Medicines 5, no. 1: 8.