Results 91 to 100 of about 16,122 (268)

Improving the Determination of Carbon Isotope Ratios of Endogenous Steroids Found in Human Serum

Drug Testing and Analysis, EarlyView.
A method employing high‐performance liquid chromatographic sample cleanup to determine the carbon isotope ratios of steroids found in human serum was developed and fully validated. A reference population encompassing more than 120 male and female athlete samples was investigated in order to establish population‐based thresholds for Δ‐values.
Thomas Piper, Mario Thevis
wiley   +1 more source

The Impact of Triptorelin on Hormone Levels in Human and Its Metabolite Confirmation Using Liquid Chromatography–Ion Trap/Time‐of‐Flight Mass Spectrometry (LC/MS‐IT‐TOF) and Liquid Chromatography–Orbitrap (LC‐Orbitrap) for Doping Control Analysis

Drug Testing and Analysis, EarlyView.
Triptorelin (5–10) confirmation using LC/MS‐IT‐TOF and LC‐Orbitrap can be used as evidence of triptorelin abuse in doping control. ABSTRACT Triptorelin, a synthetic gonadotrophin‐releasing hormone (GnRH), is mainly used in the clinical treatment of prostate cancer.
Navaporn Saardpun, Cholsittapan Asawesna, Seksun Kaewklam, Premsant Sangkhum, Wisoot Kongchareonsombat, Thanit Kusamran, Darawan Pinthong   +6 more
wiley   +1 more source

A Novel Male Contraceptive Pill-Patch Combination: Oral Desogestrel and Transdermal Testosterone in the Suppression of Spermatogenesis in Normal Men [PDF]

, 2001
W. Morton Hair, Kay Kitteridge, Daryl B. O’Connor, Frederick C. W. Wu   +3 more
openalex   +2 more sources

Theoretical frameworks for neuroeconomics of intertemporal choice [PDF]

Journal of Neuroscience, Psychology, and Economics, Vol 2(2), Nov 2009, 75-90, 2011
Intertemporal choice has drawn attention in behavioral economics, econophysics, and neuroeconomics. Recent studies in mainstream economics have mainly focused on inconsistency in intertemporal choice (dynamic inconsistency); while impulsivity/impatience in intertemporal choice has been extensively studied in behavioral economics of addiction.
arxiv  

Partition test and sexual motivation in male mice [PDF]

arXiv, 2007
Theoretical analysis of own and literature investigations of sexual motivation with the use of the partition test [Kudryavtseva, 1987, 1994] in male mice was carried out. It has been shown that appearance of a receptive female in the neighboring compartment of common cage separated by perforated transparent partition produces the enhancement of ...
arxiv  

Identification of crucial genes for polycystic ovary syndrome and atherosclerosis through comprehensive bioinformatics analysis and machine learning

International Journal of Gynecology &Obstetrics, EarlyView.
Abstract Objective To identify potential biomarkers in patients with polycystic ovary syndrome (PCOS) and atherosclerosis, and to explore the common pathologic mechanisms between these two diseases in response to the increased risk of cardiovascular diseases in patients with PCOS.
Lirong Wang, Yanli Zhang, Fan Ji, Zhenmin Si, Chengdong Liu, Xiaoke Wu, Chichiu Wang, Hui Chang   +7 more
wiley   +1 more source

Pyriproxyfen Disrupts the Ongoing Spermatogenesis Wave in Danio rerio Potentially Mediated by Voltage‐Dependent Calcium Channels and Protein Kinase C

Journal of Applied Toxicology, EarlyView.
ABSTRACT Pyriproxyfen (PPX) is an analog of the juvenile hormone from insects. Following our previous studies, for the ex vivo short‐term effect, we chose 10−9 M pyriproxyfen to analyze the morphology of spermatogenesis wave cells. In silico docking and ADMET (Absorption, Distribution, Metabolism, Excretion, Toxicity) studies were carried out to ...
Bruna Antunes Zaniboni, Vanessa Staldoni de Oliveira, Gabriel Adan Araujo Leite, Valdelúcia Maria Alves de Souza Grinevicius, Rozangela Curi Pedrosa, Fátima Regina Mena Barreto Silva   +5 more
wiley   +1 more source

No effects of androgen receptor gene CAG and GGC repeat polymorphisms on digit ratio (2D:4D): Meta-analysis [PDF]

arXiv, 2013
Objectives: A series of meta-analyses assessed whether differentially efficacious variants (CAG and GGC repeat-length polymorphisms) of the human androgen receptor gene are associated with digit ratio (2D:4D), a widely investigated putative pointer to prenatal androgen action.
arxiv  

Gingival inflammation and leukocyte–endothelium cell interactions in women with polycystic ovary syndrome

Journal of Periodontology, EarlyView.
Abstract Background Given the link between chronic inflammation and periodontal pathologies and increased cardiovascular risk, this study aims to investigate if gingivitis exacerbates the inflammatory response and subclinical atherosclerotic markers in women with polycystic ovary syndrome (PCOS). Methods For this case–control study, women were assigned
Cecilia Fabiana Márquez‐Arrico, Francisco Javier Silvestre, Meylin Fernández‐Reyes, Sandra López‐Domènech, Jonathan Hermenejildo, Zaida Abad‐Jiménez, Javier Silvestre‐Rangil, Pablo Fernández‐Collazo, Carlos Morillas, José María Montiel‐Company, Víctor M. Víctor, Milagros Rocha   +11 more
wiley   +1 more source

Atopic Dermatitis in Childhood and Biomarkers of Male Reproductive Health: A Danish National Birth Cohort Study

JEADV Clinical Practice, EarlyView.
This study found no indication of an adverse effect of childhood atopic dermatitis on biomarkers of male reproductive health. On the contrary, we observed some indications of slightly higher sperm concentration and lower follicle‐stimulating hormone (FSH) and luteinizing hormone (LH).
Camilla Lomholt Kjersgaard, Anne Gaml‐Sørensen, Linn Håkonsen Arendt, Sandra Søgaard Tøttenborg, Karin Sørig Hougaard, Gunnar Toft, Onyebuchi A. Arah, Jens Peter Bonde, Mette Deleuran, Cecilia Høst Ramlau‐Hansen   +9 more
wiley   +1 more source