Results 11 to 20 of about 373,589 (236)

Testosterone trajectories and reference ranges in a large longitudinal sample of male adolescents. [PDF]

open access: yesPLoS ONE, 2014
PurposePubertal dynamics plays an important role in physical and psychological development of children and adolescents. We aim to provide reference ranges of plasma testosterone in a large longitudinal sample.
Ammar Khairullah   +6 more
doaj   +9 more sources

Does the interaction between cortisol and testosterone predict men's facial attractiveness? [PDF]

open access: yes, 2017
Although some researchers have suggested that the interaction between cortisol and testosterone predicts ratings of men’s facial attractiveness, evidence for this pattern of results is equivocal.
Debruine, Lisa   +6 more
core   +13 more sources

Serum Total Testosterone and Premature Mortality Among Men in the USA

open access: yesEuropean Urology Open Science, 2021
The relationship between testosterone and premature mortality has caused recent controversy. While previous studies have demonstrated mixed results, this is partly because of variable patient populations, different testosterone thresholds, and the use of
Richard J. Fantus   +6 more
doaj   +1 more source

A time-resolved fluorescence immunoassay for the measurement of testosterone in saliva: Monitoring of testosterone replacement therapy with testosterone buciclate [PDF]

open access: yes, 1998
Monitoring of testosterone replacement therapy requires a reliable method for testosterone measurement. Determination of salivary testosterone, which reflects the hormone's biologically active plasma fraction, is a superior technique for this purpose ...
Bals-Pratsch M   +13 more
core   +1 more source

Validity of free testosterone calculation in pregnant women

open access: yesEndocrine Connections, 2019
Objective: Increased maternal testosterone concentration during pregnancy may affect the fetus. Therefore it is clinically relevant to have a quick and reliable method to determine free testosterone levels.
M P Schuijt   +6 more
doaj   +1 more source

Falsely elevated serum testosterone measurements resulting from testosterone topical gel contamination of the venipuncture site: Case Series and retrospective review

open access: yesHeliyon, 2023
Testosterone as replacement therapy for male hypogonadism or as gender-affirming hormone therapy for transgender and non-binary patients has increased worldwide.
Aranza Pinedo Pichilingue   +2 more
doaj   +1 more source

Testosterone insulin-like effects: an in vitro study on the short-term metabolic effects of testosterone in human skeletal muscle cells [PDF]

open access: yes, 2017
Testosterone by promoting different metabolic pathways contributes to short-term homeostasis of skeletal muscle, the largest insulin-sensitive tissue and the primary site for insulin-stimulated glucose utilization.
Antinozzi, Cristina   +8 more
core   +2 more sources

Plasma Testosterone Levels and Atherosclerotic Plaque Gene Expression in Men With Advanced Atherosclerosis

open access: yesFrontiers in Cardiovascular Medicine, 2021
Aims: Low plasma testosterone levels have been shown to predict worse outcome in men with severe atherosclerotic disease. We hypothesized that a low plasma testosterone level affects disease risk through changes in gene expression in atherosclerotic ...
Floor Groepenhoff   +9 more
doaj   +1 more source

High Glucose, But Not Testosterone, Increases Platelet Aggregation Mediated by Endothelial Cells [PDF]

open access: yes, 2015
Endothelial cells inhibit platelet aggregation by releasing thromboregulators, such as prostacyclin and nitric oxide. Male subject is a traditional risk factor for cardiovascular diseases.
Aswin, S. (Soedjono)   +3 more
core   +2 more sources

Life-history and hormonal control of aggression in black redstarts: blocking testosterone does not decrease territorial aggression, but changes the emphasis of vocal behaviours during simulated territorial intrusions [PDF]

open access: yes, 2013
Introduction: Many studies in behavioural endocrinology attempt to link territorial aggression with testosterone, but the exact relationship between testosterone and territorial behaviour is still unclear and may depend on the ecology of a species.
Apfelbeck, Beate   +4 more
core   +2 more sources

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