Results 41 to 50 of about 145,336 (169)

Variation in circulating testosterone during mating predicts reproductive success in a wild songbird.

open access: yesFrontiers in Ecology and Evolution, 2016
Testosterone is an important sex hormone and mediates reproduction in male vertebrates. There is ample evidence that testosterone coordinates the expression of physiological, morphological and behavioural traits during reproduction and many of these ...
Beate Apfelbeck   +3 more
doaj   +1 more source

Sex-Specific Associations of Testosterone With Metabolic Traits

open access: yesFrontiers in Endocrinology, 2019
Background: Testosterone levels are differentially linked with diabetes risk in men and women: lower testosterone levels in men and higher testosterone levels in women are associated with type 2 diabetes, though, the mechanisms are not fully clear.
Stefan Z. Lutz   +31 more
doaj   +1 more source

Associations Between Low Serum Testosterone and All-Cause Mortality and Infection-Related Hospitalization in Male Hemodialysis Patients: A Prospective Cohort Study

open access: yesKidney International Reports, 2017
Infectious diseases are the second highest cause of death in patients on dialysis. In addition, testosterone deficiency or hypogonadism is prevalent in dialysis patients.
Akio Nakashima   +5 more
doaj   +1 more source

Albumin and Sex Hormone Binding Globulin based Testosterone Indices in Polycystic Ovarian Syndrome

open access: yesPakistan Armed Forces Medical Journal
Objective: To evaluate total testosterone, “Free Androgen Index”, calculated free testosterone, % free testosterone, calculated bioavailable testosterone, and % testosterone as a possible biomarker to predict presence of Polycystic ovarian syndrome as ...
Sikandar Hayat Khan   +5 more
doaj   +1 more source

Testosterone and Sarcopenia

open access: yesThe World Journal of Men's Health, 2018
Aging affects metabolism, leading to physiological and functional impairments, and is also related to changes in body composition, including reduced skeletal muscle mass and increased body fat. These changes are correlated with the pathophysiology of sarcopenia, which is defined as age-related loss of skeletal muscle mass and strength. Low testosterone
Myung Jun Shin   +2 more
openaire   +2 more sources

Extracellular vesicles in mouse testes elevate the level of serum testosterone

open access: yesReproductive and Developmental Medicine, 2019
Objective: Testosterone plays an essential role in maintaining spermatogenesis and male fertility, and the primary known source of testosterone is testicular Leydig cells, which are regulated by luteinizing hormone (LH).
Da-Min Yun   +5 more
doaj   +1 more source

Testosterone [PDF]

open access: yesBMJ, 1936
R, Deanesly, A S, Parkes
openaire   +2 more sources

Ginger and Testosterone [PDF]

open access: yesBiomolecules, 2018
Enhancing and protecting testosterone production is one target for many scientists because of its crucial role as a primary sex hormone in males. Several in vivo trials have utilized different dietary supplements and medicinal plants to enhance testosterone production in males.
openaire   +3 more sources

Testosterone and Cholesterol Vasodilation of Rat Aorta Involves L-Type Calcium Channel Inhibition

open access: yesAdvances in Pharmacological Sciences, 2010
Testosterone has rapid nongenomic vasodilator effects which could be involved in protective cardiovascular actions. Several authors suggested specific mechanisms to explain this effect, but this matter was not clarified yet.
E. Álvarez   +4 more
doaj   +1 more source

Testosterone and androstanediol glucuronide among men in NHANES III

open access: yesBMC Public Health, 2018
Background Most of the androgen replacement therapies were based on serum testosterone and without measurements of total androgen activities. Whether those with low testosterone also have low levels of androgen activity is largely unknown.
Chuan Wei Duan, Lin Xu
doaj   +1 more source

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