Results 181 to 190 of about 139,658 (339)

Salivary Testosterone, Androstenedione and 11‐Oxygenated 19‐Carbon Concentrations Differ by Age and Sex in Children

Clinical Endocrinology, Volume 103, Issue 3, Page 338-350, September 2025.
ABSTRACT Background The diagnosis and management of childhood adrenal disorders is challenging. Clinical markers of hormone excess or deficiency may take months to manifest, and traditional biomarkers correlate only partially with clinical outcomes.
Julie Park, Andrew Titman, Orla Bright, Silothabo Dliso, Alena Shantsila, Gregory Y. H. Lip, Jo Adaway, Brian Keevil, Daniel B. Hawcutt, Joanne Blair   +9 more
wiley   +1 more source

Steroid Hormones in Reproduction and Roles of GnRH-a in Gonadal Maturation of Marine Fish: A Review

, 2020
Huỳnh Minh Sáng, Pham Xuan Ky, Hồ Sơn Lâm, Phan Minh-Thu   +3 more
openalex   +2 more sources

Delayed Bone Maturation and Extended Growth Phase as Distinctive Features of 17α‐Hydroxylase/17,20‐Lyase Deficiency: A Retro‐Prospective Study of a Large Patient Cohort

Clinical Endocrinology, Volume 103, Issue 3, Page 303-310, September 2025.
ABSTRACT Introduction Worldwide, combined 17‐hydroxylase/17,20‐lyase deficiency (CYP17D) is a rare form of congenital adrenal hyperplasia, but it is the second most prevalent type in Brazil. An absence of sexual differentiation and hypergonadotropic hypogonadism arise from a reduction in the usual pattern of sex steroid formation in the adrenals and ...
Rafaela Fontenele, Flávia A. Costa‐Barbosa, Marivânia Costa‐Santos, Rafael L. Batista, Lívia M. Mermejo, Berenice B. Mendonça, Margaret de Castro, Gil Guerra‐Júnior, Claudio E. Kater, Brazilian Congenital Adrenal Hyperplasia Multicenter Study Group (BCAHMSG)   +9 more
wiley   +1 more source

17, 20 α Dihydroxy Progesterone 07, 20 α DP) Production by Different Tissue in Common Carp (Cyprinus carpio) and Gold Fish (Carasius auratus)

‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 1998
Different tissue (muscle, heart, eye, testis and blood) and sperm from Common carp and Gold fish, in order to evaluate activity of 20α hydroxy steroid Dihydrogenase 20α HSD) enzyme to convert radiactive 17α HP and amount of 0.01, 1 or 10m g of ...
M. Ebrahimi
doaj  

A Review of Seriola lalandi Aquaculture With a Focus on Recirculating Aquaculture Systems: Synthesis of Existing Research and Emerging Challenges

Reviews in Aquaculture, Volume 17, Issue 4, September 2025.
ABSTRACT This review presents a comprehensive synthesis of research on yellowtail kingfish (Seriola lalandi) aquaculture, with a particular focus on production in recirculating aquaculture systems (RAS). Significant progress has been made in reproductive biology and captive spawning, which are critical for ensuring a reliable juvenile supply.
Alexander Chong Shu‐Chien, Alvin Setiawan, Mark Camara, Carly Wilson, Andrew Forsythe, Steve Pether, Dave McQueen, Glen Irvine, Yann Gublin   +8 more
wiley   +1 more source

Hypersscretion of ACTH growth hormone and prolactin in a patient with pituitary adenoma [PDF]

, 1978
Fink, R., Müller, O. A., Scriba, Peter Christian, Werder, Klaus von   +3 more
core   +1 more source

Beyond the Binary: Controlling Natural Sex‐Change in Hermaphroditic Fishes

Reviews in Aquaculture, Volume 17, Issue 4, September 2025.
ABSTRACT Sex‐change in hermaphroditic fishes is a complex but natural biological phenomenon that has significant implications for aquaculture fingerling production, selective breeding, and grow‐out. Understanding the physiological, endocrinological, and molecular pathways underlying hermaphroditism in fishes offers unique opportunities to manipulate ...
Roni Chandra Mondal, Jarrod L. Guppy, Maria A. Villacis‐Escobar, Dean R. Jerry   +3 more
wiley   +1 more source

Isolation and radioimmunoassay of thyroxine-binding globulin (TGB) [PDF]

, 1974
Erhardt, F., Horn, K., Livesey, P. G., Scriba, Peter Christian   +3 more
core   +1 more source

Intermittent Fasting and Hormonal Regulation: Pathways to Improved Metabolic Health

Food Science &Nutrition, Volume 13, Issue 8, August 2025.
Intermittent fasting regulates key hormonal pathways affecting metabolic health. Intermittent fasting improves insulin sensitivity and β‐cell response. Intermittent fasting preserves circadian rhythm by advancing melatonin secretion. ABSTRACT Intermittent fasting (IF), a temporal dietary pattern, has garnered interest in improving anthropometric and ...
Wijdan Shkorfu, Abdulmannan Fadel, Mohammed Hamsho, Yazan Ranneh, Hafiz Muhammad Shahbaz   +4 more
wiley   +1 more source

A Review on Testosterone: Estradiol Ratio—Does It Matter, How Do You Measure It, and Can You Optimize It?

The World Journal of Men's Health
There is a natural balance between the major sex steroids, testosterone and estradiol, controlled by gonadal secretion and peripheral conversion by aromatase.
Arthur L. M. Swislocki, Michael L. Eisenberg   +1 more
doaj   +1 more source