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Xenoestrogens are a type of xenohormone that imitates estrogen.They can be either synthetic or natural chemical compounds.Synthetic xenoestrogens include some widely used industrial compounds, such as PCBs, BPA, and phthalates, which have estrogenic effects on a living organism even though they differ chemically from the estrogenic substances produced internally by the endocrine system of any ...
Xenoestrogens are xenohormones that mimic the effects of natural estrogen. When present in the body, xenoestrogens can bind with estrogen receptors in the brain, leading to a disruption in the gonadal endocrine system. Xenoestrogen exposure during different developmental periods can have differing effects on the reproductive system.
Because they can mimic estrogen thus activating the receptor, they are considered harmful and potentially linked with breast cancer. [1] List of metalloestrogens include aluminium , antimony , arsenite , barium , cadmium , [ 2 ] chromium (Cr(II)), cobalt , copper , lead , mercury , nickel , selenite , tin and vanadate .
[9] [8] As such, it is an estrogen, or an agonist of the estrogen receptors. [8] [9] Estradiol acetate is of about 15% higher molecular weight than estradiol due to the presence of its C3 acetate ester. [3] Because estradiol acetate is a prodrug of estradiol, it is considered to be a natural and bioidentical form of estrogen. [9] [10]
Phthalates (US: / ˈ θ æ l eɪ t s / UK: / ˈ θ ɑː l eɪ t s ˌ ˈ f θ æ l ɪ t s / [1] [2]), or phthalate esters, are esters of phthalic acid. They are mainly used as plasticizers , i.e., substances added to plastics to increase their flexibility, transparency, durability, and longevity.
Estradiol is a naturally occurring and bioidentical estrogen, or an agonist of the estrogen receptor, the biological target of estrogens like endogenous estradiol. [11] Due to its estrogenic activity, estradiol has antigonadotropic effects and can inhibit fertility and suppress sex hormone production in both women and men.
"The primary treatment — and the first-line treatment — should be hormone (estrogen) therapy, especially for moderate-to-severe menopause symptoms," Dr. Anna Barbieri, assistant clinical ...
Treatment with unopposed estrogen (i.e., an estrogen alone without a progestogen) is contraindicated if the uterus is still present, due to its proliferative effect on the endometrium. The WHI also found a reduced incidence of colorectal cancer when estrogen and a progestogen were used together, and most importantly, a reduced incidence of bone ...