Results 31 to 40 of about 79,496 (316)

Pubertal presentation in seven patients with congenital adrenal hyperplasia due to P450 Oxidoreductase deficiency [PDF]

open access: yes, 2010
Context: P450 oxidoreductase (POR) is a crucial electron donor to all microsomal P450 cytochrome (CYP) enzymes including 17α-hydroxylase (CYP17A1), 21-hydroxylase (CYP21A2) and P450 aromatase.
Adachi   +59 more
core   +2 more sources

Male hypogonadism. Part I: Epidemiology of hypogonadism [PDF]

open access: yesInternational Journal of Impotence Research, 2005
Male hypogonadism is a frequent and potentially undertreated condition. A number of longitudinal epidemiologic studies, including the Baltimore Longitudinal Study of Aging, the New Mexico Aging Process Study, and the Massachusetts Male Aging Study, have demonstrated age-related increases in the likelihood of developing hypogonadism.
openaire   +2 more sources

A Current Perspective on Delayed Puberty and Its Management

open access: yesJCRPE
Delayed puberty is defined as the lack of development of secondary sex characteristics in childhood. Based on a review of the literature, delayed puberty can be divided into three main categories: (i) hypergonadotropic hypogonadism (congenital and ...
Ayhan Abacı, Özge Besci
doaj   +1 more source

Male hypogonadism with its systemic complications

open access: yesJournal of Education, Health and Sport, 2020
Introduction and purpose: Total lack of testosterone or its level lower than 9-12 mmol/L (250-350 ng/dL) of serum in men is called hypogonadism. Due to the importance of testosterone in male body, hypogonadism usually causes a variety of symptoms, mostly
Sylwiusz Niedobylski   +6 more
doaj   +1 more source

Role of androgen and gonadotrophins in the development and function of the Sertoli cells and Leydig cells: data from mutant and genetically modified mice [PDF]

open access: yes, 2009
Development and maintenance of the male phenotype and establishment of fertility are all dependent upon the activity of the Sertoli cells and Leydig cells of the testis.
Abel, M.H.   +4 more
core   +1 more source

Guidelines for the diagnosis and treatment of testosterone deficiency (hypogonadism) in male patients with diabetes mellitus (Draft)

open access: yesСахарный диабет, 2017
Hypogonadism in male patients is defined as a decrease in the serum testosterone level; it is associated with specific symptoms and/or signs (see the detailed description below). It is a common complication in diabetes mellitus.
Galina Afanas'evna Melnichenko   +6 more
doaj   +1 more source

Androgens and Hypertension in Men and Women: a Unifying View. [PDF]

open access: yes, 2017
This review was designed to revaluate the androgen role on the mechanisms of hypertension and cardiovascular risks in both men and women. Sex steroids are involved in the regulation of blood pressure, but pathophysiological mechanism is not well ...
Carmina, E. 4.   +4 more
core   +1 more source

Non‐RASopathy Genetic Syndromes Identified as the Molecular Cause of Disease in Patients Previously Diagnosed With Noonan Syndrome

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Noonan Syndrome (NS) is a clinically and genetically heterogeneous condition characterized by typical facial dysmorphisms, short stature, congenital heart defects, and developmental delays. While variants in genes such as PTPN11, SOS1, and RAF1 account for most genetically confirmed cases, diagnosis is challenging due to phenotypic overlap ...
Gabriela Jeesoo Kim   +9 more
wiley   +1 more source

Metabolic status and hypogonadism in human immunodeficiency virus-infected males

open access: yesIndian Journal of Endocrinology and Metabolism, 2017
Aims and Objectives: The aim of this study is to determine the prevalence of hypogonadism in human immunodeficiency virus (HIV)-infected males and to study its relation to age, CD4 count, body mass index (BMI), duration of highly active antiretroviral ...
Sarita Bajaj   +3 more
doaj   +1 more source

Late-onset hypogonadism (LOH) : an emerging pathophysiological entity requiring the physician's attention [PDF]

open access: yes, 2006
Late-onset hypogonadism (LOH) is an emerging pathophysiological entity. Not everybody is familiar with LOH or even recognizes its existence. Since the 19th century women's life expectancy has become progressively greater than that of men and therefore ...
Nieschlag, Eberhard
core  

Home - About - Disclaimer - Privacy