Results 21 to 30 of about 58,017 (220)
The contribution of 17beta-hydroxysteroid dehydrogenase type 1 to the estradiol-estrone ratio in estrogen-sensitive breast cancer cells. [PDF]
PLoS ONE, 2012 Estrone and estradiol are both estrogens with estrone being the less potent form and estradiol being the most potent estrogen. The binding of the latter to cellular regulatory elements stimulates the proliferation of breast cancer cells.
Chen-Yan Zhang +3 more
doaj +1 more source
Predicting Sex in White Rhinoceroses: A Statistical Model for Conservation Management
Animals, 2023 Ensuring the effective management of every rhinoceros population is crucial for securing a future for the species, especially considering the escalating global threat of poaching and the challenges faced in captive breeding programs for this endangered ...
Leticia Martínez +10 more
doaj +1 more source
Metabolites, 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
Estrogens and Androgens in Plants: The Last 20 Years of Studies
Plants, 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
Estrone and Estradiol Levels in Breast Cancer Patients Using Anastrozole Are Not Related to Body Mass Index [PDF]
Revista 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 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
Poultry 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
Research developments in carbon materials based sensors for determination of hormones
Journal of Electrochemical Science and Engineering, 2021 Various carbon-based sensors (graphene, carbon nanotubes, graphite, pencil graphite, glassy carbon, etc.) have distinctive behavior and a broad range of importance for identifying sex hormones like estriol, estradiol, estrone, progesterone, and ...
Jamballi G. Manjunatha +3 more
doaj +1 more source
Angewandte Chemie, EarlyView.Catalytic strain‐release ring opening and functionalizations of 1‐azabicyclo[1.1.0]butanes (ABBs) represent a promising strategy for accessing diverse azetidine products. These transformations proceed via polar pathways, radical pathways, and hybrid mechanisms that combine both.
James Shao‐Jiun Yang +1 more
wiley +2 more sources
Urinary estrogen metabolites and gastric cancer risk among postmenopausal women
Cancer Reports, 2022 Background The overall incidence of gastric cancer in women is half that in men for most global populations. Sex hormone pathways may be involved in carcinogenesis and estrogens have been postulated to protect women against gastric cancer.
M. Constanza Camargo +18 more
doaj +1 more source