Bisphenol-A acts as a potent estrogen via non-classical estrogen triggered pathways.
Bisphenol-A (BPA) is an estrogenic monomer commonly used in the manufacture of numerous consumer products such as food and beverage containers. Widespread human exposure to significant doses of this compound has been reported. Traditionally, BPA has been considered a weak estrogen, based on its lower binding affinity to the nuclear estrogen receptors (ERs) compared to 17-β estradiol (E2) as well as its low transcriptional activity after ERs activation. However, in vivo animal studies have demonstrated that it can interfere with endocrine signaling pathways at low doses during fetal, neonatal or perinatal periods as well as in adulthood. In addition, mounting evidence suggests a variety of pathways through which BPA can elicit cellular responses at very low concentrations with the same or even higher efficiency than E2. Thus, the purpose of the present review is to analyze with substantiated scientific evidence the strong estrogenic activity of BPA when it acts through alternative mechanisms of action at least in certain cell types.
Instituto de Bioingeniería and CIBERDEM, Universidad Miguel Hernández de Elche, 03202 Elche, Spain. palonso@umh.es
Paloma
P
Alonso-Magdalena
Ana Belén
AB
Ropero
Sergi
S
Soriano
Marta
M
García-Arévalo
Cristina
C
Ripoll
Esther
E
Fuentes
Iván
I
Quesada
Ángel
Á
Nadal
D000818:Animals; D001559:Benzhydryl Compounds; D004781:Environmental Exposure; D004958:Estradiol / Q000494:pharmacology; D004967:Estrogens / Q000494:pharmacology*; D015870:Gene Expression / Q000187:drug effects; D006801:Humans; D010636:Phenols / Q000494:pharmacology*; D011960:Receptors, Estrogen / Q000378:metabolism; D015398:Signal Transduction; D000098826:Bisphenol A Compounds
D001559:Benzhydryl Compounds; D004958:Estradiol; D004967:Estrogens; D010636:Phenols; D011960:Receptors, Estrogen; C006780:bisphenol A; D000098826:Bisphenol A Compounds