Results 91 to 100 of about 176,817 (345)

A new method for the separation of androgens from estrogens and for the partition of estriol from the estrone-estradiol fraction: with special reference to the identification and quantitative microdetermination of estrogens by ultraviolet absorption spectrophotometry [PDF]

open access: yes, 1948
It is recognized generally that a qualitative and quantitative knowledge of the excretion pattern of the urinary estrogens is one index to an understanding of the functional activity of the ovary and adrenal cortex.
Friedgood, Harry B.   +2 more
core  

Rapid bioconcentration of steroids in the plasma of three-spined stickleback Gasterosteus aculeatus exposed to waterborne testosterone and 17β-oestradiol [PDF]

open access: yes, 2007
The relationship over time between the concentrations of two steroids, singly and in combination, in a static exposure system and in the blood of three-spined stickleback Gasterosteus aculeatus, held within the exposure system was investigated. Groups of
Matthiessen, P.   +3 more
core   +1 more source

Androgen Receptor and Mechanism of Androgen Action

open access: yesAnnals of Medicine, 1993
Androgen receptor is the intracellular protein that mediates biological actions of physiological androgens (testosterone and 5 alpha-dihydrotestosterone). Androgen receptor belongs to a large family of ligand-dependent proteins whose function is to modulate expression of genes and gene networks in a cell- and tissue-specific manner.
O A, Jänne   +3 more
openaire   +2 more sources

IGF‐1 Deficiency Serves as an Integrated Biomarker Pathogenic Driver and Predictor in Poor Ovarian Response

open access: yesAdvanced Science, EarlyView.
IGF‐1 deficiency underlies poor ovarian response (POR), as reduced levels in follicular fluid and granulosa cells impair antral follicle formation and compromise reproductive outcomes. Including IGF‐1 as a biomarker significantly enhances the accuracy of models predicting both PORrisk and pregnancy success.
Zhu Hu   +9 more
wiley   +1 more source

The Point of View of Pathophysiologist-Endocrinologist on the Problem of Age-Related Androgen Deficiency in Men (LOH-Syndrome)

open access: yesMìžnarodnij Endokrinologìčnij Žurnal, 2014
The paper presents a pathophysiological analysis of age-related androgen deficiency syndrome in men (LOH-syndrome) with special reference to current knowledge of molecular mechanisms of testosterone effects and androgen regulation of the structure and ...
A.G. Reznikov
doaj   +1 more source

Testosterone Influence on Gene Expression in Lacrimal Glands of Mouse Models of Sjögren Syndrome [PDF]

open access: yes, 2019
Purpose: Sjögren syndrome is an autoimmune disorder that occurs almost exclusively in women and is associated with extensive inflammation in lacrimal tissue, an immune-mediated destruction and/or dysfunction of glandular epithelial cells, and a ...
Kam, Wendy R.   +6 more
core   +2 more sources

PFOS Disrupts Oocyte Maturation and Early Embryonic Development via Ovarian FOXK1 O‐GlcNAcylation in Mice

open access: yesAdvanced Science, EarlyView.
Perfluorooctane sulfonate (PFOS) exposure disrupts oocyte maturation and early embryonic development. This study elucidates the mechanism by which enhanced O‐GlcNAcylation of FOXK1 underlies the PFOS‐induced reduction of progesterone levels in granulosa cells and the disturbance of follicular microenvironment.
Shuwen Han   +16 more
wiley   +1 more source

The role of androgens on experimental pain sensitivity: a systemic review and meta-analysis

open access: yesPAIN Reports
. Animal studies have shown androgens, especially testosterone, may have an analgesic effect on nociceptive behavior. However, it is unclear if this effect is present in humans.
Elizabeth Wu-Chen   +6 more
doaj   +1 more source

The Mechanism of Androgen Actions in PCOS Etiology

open access: yesMedical Sciences, 2019
Polycystic ovary syndrome (PCOS) is the most common endocrine condition in reproductive-age women. By comprising reproductive, endocrine, metabolic and psychological features—the cause of PCOS is still unknown.
Valentina Rodriguez Paris   +1 more
doaj   +1 more source

Negative regulation of the androgen receptor gene through a primate specific androgen response element present in the 5' UTR [PDF]

open access: yes, 2014
Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.
Hay, Colin W   +5 more
core   +2 more sources

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