Results 51 to 60 of about 373,589 (236)

Salivary testosterone levels in preadolescent children

open access: yesBMC Pediatrics, 2002
Background Saliva reflects the plasma free fraction of testosterone which is biologically active, and available for uptake by tissues. Testosterone concentration in saliva, though differing slightly from the concentration of unbound testosterone in serum,
Dohnányiová Monika   +5 more
doaj   +1 more source

Testosterone Levels in Adolescents and Young Men with Type 1 Diabetes and Their Association with Diabetic Nephropathy

open access: yesBiology, 2021
The association between serum testosterone levels and type 1 diabetes (T1D), especially in adolescents and young adults, has not been fully investigated.
Jeongwoo Kang   +8 more
doaj   +1 more source

17,β-estradiol inhibits hepatitis C virus mainly by interference with the release phase of its life cycle [PDF]

open access: yes, 2016
Rationale & Aim: Estrogen and estrogen-mediated signalling protect from hepatitis C virus through incompletely understood mechanisms. We aimed to ascertain which phase(s) of HCV life cycle is/are affected by estrogens.
Barbaglia, Matteo N.   +10 more
core   +2 more sources

Testosterone, testosterone therapy and prostate cancer

open access: yesThe Aging Male, 2019
With prostate cancer not observed in eunuchs and total androgen suppression by castration an effective first-line treatment for advanced prostate cancer, the dramatic regression seen in tumour symptoms after castration, lead to the theory that high levels of circulating androgens were a risk factor for prostate cancer.
A, Yassin   +4 more
openaire   +2 more sources

Safety and efficacy of testosterone gel in the treatment of male hypogonadism

open access: yesClinical Interventions in Aging, 2009
Kishore M Lakshman, Shehzad BasariaSection of Endocrinology, Diabetes, and Nutrition. Boston University School of Medicine, Boston Medical Center, Boston, MA, USAAbstract: Transdermal testosterone gels were first introduced in the US in 2000. Since then,
Kishore M Lakshman, Shehzad Basaria
doaj  

TESTOSTERONE CHANGES IN PATIENTS WITH LIVER CIRRHOSIS BEFORE AND AFTER ORTHOTOPIC LIVER TRANSPLANTATION AND ITS CORRELATION WITH MELD

open access: yesArquivos de Gastroenterologia, 2014
Context Hypogonadism is a common clinical situation in male patients with liver cirrhosis. Objectives The aim of the present study was to evaluate the effects of orthotopic liver transplantation on testosterone, free testosterone and sex hormone ...
Rodrigo NITSCHE   +4 more
doaj   +1 more source

Genetic determinants of serum testosterone concentrations in men.

open access: yesPLoS Genetics, 2011
Testosterone concentrations in men are associated with cardiovascular morbidity, osteoporosis, and mortality and are affected by age, smoking, and obesity.
Claes Ohlsson   +59 more
doaj   +1 more source

Sex Hormone Binding Globulin Modifies Testosterone Action and Metabolism in Prostate Cancer Cells

open access: yesInternational Journal of Endocrinology, 2016
Sex Hormone Binding Globulin (SHBG) is the major serum carrier of sex hormones. However, growing evidence suggests that SHBG is internalised and plays a role in regulating intracellular hormone action.
Huika Li   +8 more
doaj   +1 more source

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

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