Results 21 to 30 of about 68,328 (223)

Sex hormones in allergic conjunctivitis: altered levels of circulating androgens and estrogens in children and adolescents with vernal keratoconjunctivitis [PDF]

open access: yes, 2015
PURPOSE: Vernal keratoconjunctivitis (VKC) is a chronic allergic disease mainly affecting boys in prepubertal age and usually recovering after puberty.
Bonini, S.   +4 more
core   +4 more sources

Structure of Equilenin at 100 K: an estrone-related steroid [PDF]

open access: yes, 2017
The structure of the estrone-related steroid, Equilenin, C18H18O2 (systematic name 3-hy-droxy-13-methyl-11,12,13,14,15,16-hexa-hydro-cyclo-penta-[a]phen-anthren-17-one), has been determined at 100 K.
Frampton, Christopher S.   +1 more
core   +2 more sources

Estradiol, Estrone and Ethinyl Estradiol Metabolism Studied by High Resolution LC-MS/MS Using Stable Isotope Labeling and Trapping of Reactive Metabolites

open access: yesMetabolites, 2022
Biotransformation reactions that xenobiotics undergo during their metabolism are crucial for their proper excretion from the body, but can also be a source of toxicity, especially in the case of reactive metabolite formation.
Kahina Chabi, Lekha Sleno
doaj   +1 more source

Cysteine-10 on 17 β-Hydroxysteroid dehydrogenase 1 has stabilizing interactions in the cofactor binding region and renders sensitivity to sulfhydryl modifying chemicals [PDF]

open access: yes, 2013
17 β-Hydroxysteroid dehydrogenase type 1 (17 β -HSD1) catalyzes the conversion of estrone to the potent estrogen estradiol. 17 β -HSD1 is highly expressed in breast and ovary tissues and represents a prognostic marker for the tumor progression and ...
Atanasov, Atanas G.   +3 more
core   +3 more sources

Estrone and Estradiol Levels in Breast Cancer Patients Using Anastrozole Are Not Related to Body Mass Index [PDF]

open access: yesRevista Brasileira de Ginecologia e Obstetrícia, 2017
Objective: Obesity is associated with an increased risk for breast cancer. Recent studies have shown that aromatase inhibitors may be less effective in women with a high body mass index (BMI).
Eduardo Borges Coscia   +4 more
doaj   +1 more source

The fate of steroid estrogens: Partitioning during wastewater treatment and onto river sediments [PDF]

open access: yes, 2010
This is the author's accepted manuscript. The final published article is available from the link below. Copyright @ 2010 Springer Science+Business Media B.V.The partitioning of steroid estrogens in wastewater treatment and receiving waters is likely to ...
A Joss   +58 more
core   +1 more source

Estrogens and Androgens in Plants: The Last 20 Years of Studies

open access: yesPlants, 2021
Although the only known steroid hormones in plants are brassinosteroids, interestingly, mammalian steroid hormones such as androgens or estrogens are also part of the plant metabolic profile. This presented review is focused on the progress that has been
Anna Janeczko
doaj   +1 more source

Treatment and removal strategies for estrogens from wastewater [PDF]

open access: yes, 2008
Natural and synthetic steroidal estrogens (estrone, 17β-estradiol and 17α-ethinylestradiol) are endocrine disrupters, that are discharged consistently from the sewage treatment works into surface waters, thereby causing endocrine disrupting effects to ...
Boobis, AR   +5 more
core   +1 more source

Long-Term Prospective Study of the Influence of Estrone Levels on Events in Postmenopausal Women with or at High Risk for Coronary Artery Disease

open access: yesThe Scientific World Journal, 2012
Background. The link between endogenous estrogen, coronary artery disease (CAD), and death in postmenopausal women is uncertain. We analyzed the association between death and blood levels of estrone in postmenopausal women with known coronary artery ...
Antonio de Padua Mansur   +7 more
doaj   +1 more source

Stacking broiler litter to reduce natural hormones

open access: yesPoultry Science, 2020
Estrone, 17β-estradiol, and testosterone are naturally occurring hormones excreted in broiler litter. With some potential for environmental concern from the hormones, understanding management practices effect on hormone concentrations is beneficial for ...
Kate Cassity-Duffey   +5 more
doaj   +1 more source

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