The most important estrogen is estradiol in both men and women. In men elevated estradiol levels and associated metabolic disorders have been implicated in the development of common diseases including cardiovascular disorders, insulin resistance and type 2 diabetes mellitus, as increased estradiol associated with decreased testosterone levels increases the risk of these diseases. In this review the authors summarize the causes and consequences of androgen deficiency and estradiol excess, and they review recent studies on potential therapeutic strategies to correct increased estradiol levels in men.
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http://dx.doi.org/10.1556/OH.2014.29914 | DOI Listing |
JBRA Assist Reprod
January 2025
Racine IVF Unit, Fertility Institute, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel affiliated to the Faculty of Medical & Health Sciences, Tel Aviv University, Tel Aviv, Israel.
Objective: To compare recombinant FSH (rFSH) with highly purified-human menopausal gonadotrophin (hp-hMG) on ovarian response in women undergoing elective fertility preservation (FP).
Methods: This retrospective study included 456 women who underwent elective FP with gonadotropin-releasing hormone (GnRH) antagonist or progestin-primed ovarian stimulation (PPOS) protocols between 01/2017-12/2021. Only the first treatment cycle of each woman was included.
JBRA Assist Reprod
January 2025
Stem Cell and Regenerative Medicine Research Center, Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
Objective: Premature ovarian failure (POF) leads to infertility. Numerous researchers have endeavored to enhance ovarian function through antioxidant interventions. Extract from Vitex agnus-castus (VAC) has demonstrated a protective effect.
View Article and Find Full Text PDFJ Nanobiotechnology
January 2025
Key Laboratory of Human Genetics and Environmental Medicine, Xuzhou Medical University, Xuzhou, 221004, China.
Fullerenols, a water-soluble polyhydroxy derivative of fullerene, hold promise in medical and materials science due to their unique properties. However, concerns about their potential embryotoxicity remain. Using a pregnancy mouse model and metabolomics analysis, our findings reveal that fullerenols exposure during pregnancy not only significantly reduced mice placental weight and villi thickness, but also altered the classes and concentrations of metabolites in the mouse placenta.
View Article and Find Full Text PDFJ Clin Endocrinol Metab
January 2025
Department of Medical Sciences, Clinical Diabetes and Metabolism, Uppsala University, Uppsala, Sweden.
Objective: Obesity and insulin resistance in men are linked to decreased testosterone and increased estradiol (E2) levels. Aromatase (ARO) converts testosterone into E2, and this occurs mainly in adipose tissue in men. E2 acts through estrogen receptors ESR1 and ESR2, and they potentially affect development of type 2 diabetes (T2D).
View Article and Find Full Text PDFBMJ Open
January 2025
Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China
Introduction: Multimodal anticancer therapies greatly damage the fertility of breast cancer patients, which raises urgent demand for fertility preservation. The standard options for fertility preservation are oocyte and embryo cryopreservation; both require controlled ovarian hyperstimulation (COH). However, there are safety concerns regarding breast cancer relapse due to the elevated serum estradiol levels during COH.
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