Results 31 to 40 of about 40,621 (188)

Molecular genetics and pathophysiology of 17 beta-hydroxysteroid dehydrogenase 3 deficiency. [PDF]

, 1996
Autosomal recessive mutations in the 17 beta-hydroxysteroid dehydrogenase 3 gene impair the formation of testosterone in the fetal testis and give rise to genetic males with female external genitalia.
Blethen, Sandra L., Geissler, Wayne M., Mendonca, Berenice B., Schwarz, Hans P., Russell, David D., Bloise, Walter, Grumbach, Melvin M., Davis, Daphne L., Andersson, Stefan, New, Maria I., Wu, Ling, Witchel, Selma F., Griffin, James E., Cutler Jr., Gordon B., Wilson, Jean D.   +14 more
core   +1 more source

Fetal testosterone and autistic traits [PDF]

, 2009
Studies of amniotic testosterone in humans suggest that fetal testosterone (fT) is related to specific (but not all) sexually dimorphic aspects of cognition and behaviour.
Kevin Taylor, Simon Baron‐Cohen, Bonnie Auyeung, Rebecca Knickmeyer, Knickmeyer, Rebecca, Ashwin, Emma, Auyeung, Bonnie; id_orcid, Gerald Hackett, Taylor, Kevin, Hackett, Gerald, Emma Ashwin, Baron-Cohen, Simon   +11 more
core   +1 more source

Experience in the treatment of patients with androgenic deficiency and comorbidity pathology [PDF]

Consilium Medicum
Background. Age-related involution of the male reproductive system, known as testosterone deficiency syndrome, andropause, androgen deficiency in the aging male, or partial androgen deficiency in the aging male, causes clinical manifestations that impair
Arsen V. Osipov, Tatyana I. Derevyanko, Nadezhda V. Agranovich, Roman S. Frantsev, Gayane H. Babasheva, Olga A. Alexandrova   +5 more
doaj   +1 more source

Prevalence of testosterone deficiency in HIV-infected men under antiretroviral therapy

BMC Infectious Diseases, 2016
Background The prevalence of hypogonadism in HIV-infected patients is still a matter of debate as there is no standardized consensual diagnostic method.
Ana Rita Gomes, Pedro Souteiro, Carolina Germana Silva, Bernardo Sousa-Pinto, Francisco Almeida, António Sarmento, Davide Carvalho, Paula Freitas   +7 more
doaj   +1 more source

Testosterone deficiency impairs cardiac interfibrillar mitochondrial function and myocardial contractility while inducing oxidative stress

Frontiers in Endocrinology, 2023
IntroductionClinical studies have shown that low levels of endogenous testosterone are associated with cardiovascular diseases. Considering the intimate connection between oxidative metabolism and myocardial contractility, we determined the effects of ...
Patrícia Ribeiro do Val Lima, Karoline Sousa Ronconi, Elis Aguiar Morra, Paula Lopes Rodrigues, Renata Andrade Ávila, Eduardo Merlo, Jones B. Graceli, Maylla Ronacher Simões, Ivanita Stefanon, Rogério Faustino Ribeiro Júnior   +9 more
doaj   +1 more source

Prediction of secondary testosterone deficiency using machine learning: A comparative analysis of ensemble and base classifiers, probability calibration, and sampling strategies in a slightly imbalanced dataset

Informatics in Medicine Unlocked, 2021
Testosterone is the most important male sex hormone, and its deficiency brings many physical and mental harms. Efficiently identifying individuals with low testosterone is crucial prior to starting proper treatment.
Monique Tonani Novaes, Osmar Luiz Ferreira de Carvalho, Pedro Henrique Guimarães Ferreira, Taciana Leonel Nunes Tiraboschi, Caroline Santos Silva, Jean Carlos Zambrano, Cristiano Mendes Gomes, Eduardo de Paula Miranda, Osmar Abílio de Carvalho Júnior, José de Bessa Júnior   +9 more
doaj   +1 more source

Daily subcutaneous testosterone for management of testosterone deficiency

Frontiers in Bioscience, 2018
Testosterone deficiency (TD) is a public health concern, a predictor of metabolic syndrome, and is associated with an increased all-cause and cardiovascular mortality. Testosterone deficiency in men is treated by a variety of methods including injectable testosterone compounds, patches, gels, pellets, and oral preparations.
Nasimeh, Yazdani, Stacy, Matthews Branch
openaire   +2 more sources

CHANGE IN TESTOSTERONE LEVELS IN ENDOSCOPIC OPERATIONS ON THE PROSTATE GLAND

Исследования и практика в медицине, 2018
To date, there have been single studies showing a decrease in testosterone levels in patients as a result of urologic surgeries. It was found that a low level of testosterone has a negative impact on the physical and mental state of men.
E. A. Efremov, S. Yu. Shekhovtsov, D. S. Merinov, A. O. Butov, Yu. V. Kastrikin, T. I. Garaev   +5 more
doaj   +1 more source

Testosterone deficiency: a historical perspective

Asian Journal of Andrology, 2014
The biological effects of the testes and testosterone are known since antiquity. Aristotle knew the effects of castration and his hypothesis on fertilization is one of the first scientific encounters in reproductive biology. Over centuries, castration has been performed as punishment and to produce obedient slaves, but also to preserve the soprano ...
Eberhard Nieschlag, Susan Nieschlag
openaire   +3 more sources

The Prevalence and the Risk Factors of Testosterone Deficiency in Newly Diagnosed and Previously Known Type 2 Diabetic Men

, 2017
IntroductionWhile the epidemiology of testosterone deficiency has been well described in men with previously known type 2 diabetes mellitus (T2DM), it was less reported in those with untreated, newly diagnosed T2DM.
Ho, Chen-Hsun;Jaw, Fu-Shan;Wu, Chia-Chang;Chen, Kuan-Chou;Wang, Chih-Yuan;Hsieh, Ju-Ton;Yu, Hong-Jeng;Liu, Shih-Ping, 余宏政;劉詩彬;王治元;趙福杉;謝汝敦   +1 more
core   +1 more source