Results 101 to 110 of about 1,739,242 (280)

Testosterone Threshold for Increased Cardiovascular Risk in Middle-Aged and Elderly Men: A Locally Weighted Regression Analysis

, 2017
Introduction: Although testosterone deficiency has a well-known association with increased risk of cardiovascular disease (CVD), the threshold remains to be determined. ;Aim: To investigate whether there is a discriminatory testosterone level below which
余宏政;劉詩彬;趙福杉, Liao, Pin-Wen;Wu, Chia-Chang;Chen, Kuan-Chou;Jaw, Fu-Shan;Yu, Hong-Jeng;Liu, Shih-Ping;Ho, Chen-Hsun   +1 more
core   +1 more source

Should laboratory assay quality be described in study publications and clinical guidelines? A focus on testosterone assay performance [PDF]

, 2019
No AbstractKeywords: Adult onset testosterone deficiency, Clinical guidelines, Laboratory performance, Testosterone therapy, Testosterone ...
Richard C. Strange, Mark Livingston, Geoffrey Hackett, Sudarshan Ramachandran   +3 more
core   +1 more source

A Single‐Aliquot Strategy for Simultaneous Carbon Isotope Confirmation of 6‐Oxo‐Androstenedione and Testosterone Misuse in Doping Control

Drug Testing and Analysis, EarlyView.
This method enables simultaneous carbon isotope confirmation of 6‐oxo‐androstenedione and testosterone markers from a single urine aliquot, using bench‐top extraction, two preparative HPLC steps with intermediate acetylation, and GC/C/IRMS analysis. It was fully validated according to WADA requirements, and real samples demonstrated its fitness for ...
Fábio Azamor de Oliveira, Cristiane Abrantes da Silva, Carolina dos Reis Farias, Mariana Trad Rosner da Motta, Thais Reis da Silva, Natasha Veiga Louzada, Monica Costa Padilha, Henrique Marcelo Gualberto Pereira   +7 more
wiley   +1 more source

Aspects of testosterone replacement therapy in men with type 2 diabetes mellitus and testosterone deficiency

Mìžnarodnij Endokrinologìčnij Žurnal, 2019
Background. Testosterone deficiency is a medical condition that adversely affects male sexuality, reproduction, general health and quality of life. Testosterone therapy can improve the symptoms of testosterone deficiency and possibly stop the development
V.Ye. Luchytskyy, M.D. Tronko, Ye.V. Luchytskyy   +2 more
doaj   +1 more source

Male Hypogonadism and Osteoporosis: The Effects, Clinical Consequences, and Treatment of Testosterone Deficiency in Bone Health

International Journal of Endocrinology, 2017
It is well recognized that bone loss accelerates in hypogonadal states, with female menopause being the classic example of sex hormones affecting the regulation of bone metabolism.
Gary Golds, Devon Houdek, T. Arnason
semanticscholar   +1 more source

Advances in the Management of Testosterone Deficiency /

, 2008
Testosterone has an important influence on major organ systems and tissues, including brain, metabolism, cardiovascular as well as musculoskeletal and immune systems.
Jones, T.H.
core  

Intra‐Individual Variability of Blood and Urinary Steroid Markers and the Response to Codeine Intake in Healthy Men and Women

Drug Testing and Analysis, EarlyView.
Short‐term codeine administration (1–3 days) caused individual alterations in Athlete Biological Passport steroid markers, including elevated urinary T/E ratios and decreased serum testosterone concentrations below individual thresholds, despite no significant changes at the group level.
Alexander Andersson, Basam Yousif, Anton Pohanka, Annica Börjesson, Mikael Lehtihet, Lena Ekström   +5 more
wiley   +1 more source

New Insights into Testosterone Biosynthesis: Novel Observations from HSD17B3 Deficient Mice

, 2022
Androgens such as testosterone and dihydrotestosterone (DHT) are essential for male sexual development, masculinisation, and fertility. Testosterone is produced via the canonical androgen production pathway and is essential for normal masculinisation and
Diane Rebourcet, Lawrence, Ben M., Smith, Lee B, Lee B. Smith, O'Donnell, Liza, Liza O’Donnell, Ben M. Lawrence, O’Donnell, Liza, Smith, Lee B., Rebourcet, Diane, Lawrence, Ben M   +10 more
core   +1 more source

Eating Disorders in Transgender, Non‐Binary, and Gender Diverse Populations: A Meta‐Synthesis of Qualitative Findings

International Journal of Eating Disorders, EarlyView.
ABSTRACT Objective Some evidence suggests that gender diverse people may be disproportionately affected by eating disorders in comparison to the general population. This review aims to further understanding of the relationship between gender identity and disordered eating/exercise, as understood by gender diverse individuals.
Kirsty Matthews, Kai S. Thomas, John R. E. Fox, Falguni Nathwani, Marc O. Williams   +4 more
wiley   +1 more source

Female collared flycatchers adjust yolk testosterone to male age, but not to attractiveness [PDF]

, 2004
The differential allocation hypothesis predicts that females invest more resources into reproduction when mating with attractive males. In oviparous animals this can include prefertilization decisions such as the production of larger eggs and the ...
Garamszegi, L., Schwabl, Hubert, Schwabl, H., Gábor Michl, Török, János, T\uf6r\uf6k, J\ue1nos, P\ue9czely, P\ue9ter, János Török, Michl, G\ue1bor, Peczely, P., László Z. Garamszegi, Torok, J., Péczely, Péter, Péter Péczely, Hubert Schwabl, Michl, G., Garamszegi, László Zsolt, Garamszegi, L\ue1zsl\uf3 Z.   +17 more
core   +1 more source