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saliva hormonal analysis

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https://www.readbyqxmd.com/read/29209484/correlation-between-saliva-and-serum-concentrations-of-estradiol-in-women-undergoing-ovarian-hyperstimulation-with-gonadotropins-for-ivf-icsi
#1
C Dielen, T Fiers, S Somers, E Deschepper, J Gerris
Aim of the study: To examine saliva- and serum concentrations correlation of estradiol (E2) in women undergoing ovarian hyperstimulation for IVF/ICSI. Saliva measurements could simplify stimulation follow up. A 'home' test for E2 could be useful. Methods: Prospective interventional academic monocentric study at the Centre for Reproductive Medicine of the University Hospital of Ghent, Belgium. Between November 2014 and August 2015 thirty-one patients were included after random selection (inclusion criteria: < 41 years of age, any rank of IVF/ICSI cycle, serum anti- Müllerian hormone concentration ≥ 1 μg/L, treatment completely at the University Hospital...
June 2017: Facts, Views & Vision in ObGyn
https://www.readbyqxmd.com/read/29207836/recurrent-aphthous-stomatitis-an-assessment-of-antioxidant-levels-in-plasma-and-saliva
#2
J S Jesija, Saraswathi Gopal, Hugh P Skiel
Introduction: Recurrent Aphthous Stomatitis (RAS) is a common oral mucosal disorder that affects 20% of the population worldwide. Factors such as trauma, stress, genetic, hypersensitivity, nutrition, immune disturbance and hormonal imbalance may disturb the oxidant and antioxidant balance of an organism and precipitate RAS, but the relationships are poorly understood. Aim: The purpose of this study was to evaluate the antioxidant status in plasma and saliva of patients with RAS...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29155118/patterns-of-neuroendocrine-coupling-in-9-year-old-children-effects-of-sex-body-mass-index-and-life-stress
#3
Sarah R Black, Matthew D Lerner, Elizabeth A Shirtcliff, Daniel N Klein
Previous investigations have explored stress and pubertal hormones in parallel; it has been a recent development, however, to explore the relationships between different hormones during puberty, and how this hormonal cross-talk may be influenced by the environment. The current study investigated neuroendocrine coupling, or the extent to which hormones are correlated within the individual, and also investigated early life stressors that may influence coupling. Participants were 405 adrenarcheal children (mean Tanner stage=1...
November 16, 2017: Biological Psychology
https://www.readbyqxmd.com/read/29150589/change-in-hydration-indices-associated-with-an-increase-in-total-water-intake-of-more-than-0-5%C3%A2-l-day-sustained-over-4%C3%A2-weeks-in-healthy-young-men-with-initial-total-water-intake-below-2%C3%A2-l-day
#4
Jodi D Stookey, Janice Hamer, David W Killilea
This secondary data analysis addressed gaps in knowledge about effects of chronic water intake. Longitudinal data from the Adapt Study were used to describe effects of prescribing a sustained increase in water intake relative to baseline, for 4 weeks, on multiple indices of total body water (TBW) flux, regulation, distribution, and volume in five healthy, free-living, young men, with mean total water intake initially below 2 L/day. Indices were measured weekly. Within-person fixed effect models tested for significant changes in indices over time and associations between changes in indices...
November 2017: Physiological Reports
https://www.readbyqxmd.com/read/29059297/association-analysis-between-rs6184-and-rs6180-polymorphisms-of-growth-hormone-receptor-gene-regarding-skeletal-facial-profile-in-a-colombian-population
#5
Sergio Iván Tobón-Arroyave, Gustavo Adolfo Jiménez-Arbeláez, Viviana Andrea Alvarado-Gómez, Diana María Isaza-Guzmán, Gloria Amparo Flórez-Moreno, María Isabel Pérez-Cano
Background/Objective: There is strong evidence that genetic factors may affect the craniofacial morphology. This study aimed to examine the association between the rs6184 and rs6180 polymorphic variants of the growth hormone receptor (GHR) gene and skeletal-facial profile in a Colombian population. Subjects/Methods: Saliva samples from 306 individuals ranging in age from 15 to 53 (mean 24.33) years were collected. Cephalometric parameters were used to categorize the participants as Class I, Class II, or Class III skeletal-facial profile...
October 20, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28915296/investigating-the-role-of-salivary-cortisol-on-vocal-symptoms
#6
Sofia Holmqvist-Jämsén, Ada Johansson, Pekka Santtila, Lars Westberg, Bettina von der Pahlen, Susanna Simberg
Purpose: We investigated whether participants who reported more often occurring vocal symptoms showed higher salivary cortisol levels and if such possible associations were different for men and women. Method: The participants (N = 170; men n = 49, women n = 121) consisted of a population-based sample of Finnish twins born between 1961 and 1989. The participants submitted saliva samples for hormone analysis and completed a web questionnaire including questions regarding the occurrence of 6 vocal symptoms during the past 12 months...
October 17, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28843511/the-relationship-between-reproductive-and-biochemical-ageing-at-the-time-of-the-menopausal-transition
#7
Annamaria Zsakai, Rita Sipos, Krisztina Takacs-Vellai, Attila Szabo, Eva B Bodzsar
The biochemical ageing status of women in the menopausal transition was studied using quantitative analysis of age- and autophagy-related gene activities (CDC42 and MAP1LC3 genes were selected as target genes). Free estradiol and progesterone levels in saliva were estimated. General linear models were used to determine the relationship between lifestyle, health status, socioeconomic factors and CDC42 and MAP1LC3 gene expression levels. Gene expression analysis revealed (1) an increasing expression of CDC42 gene after 45years in women, (2) expression level of CDC42 gene associated with menopausal status, (3) while endocrine status was found to associate with the expression of both of the studied age-related genes, (4) the "never used hormonal contraceptives" and "obese nutritional status" were the strongest factors for increased level of age-related gene expressions, and (5) changes in gene expression levels by ageing should be studied by considering not only chronological, but also biological ages...
August 24, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28843169/the-low-single-nucleotide-polymorphism-heritability-of-plasma-and-saliva-cortisol-levels
#8
Alexander Neumann, Nese Direk, Andrew A Crawford, Saira Mirza, Hieab Adams, Jennifer Bolton, Caroline Hayward, David P Strachan, Erin K Payne, Jennifer A Smith, Yuri Milaneschi, Brenda Penninx, Jouke J Hottenga, Eco de Geus, Albertine J Oldehinkel, Peter J van der Most, Yolanda de Rijke, Brian R Walker, Henning Tiemeier
Cortisol is an important stress hormone affected by a variety of biological and environmental factors, such as the circadian rhythm, exercise and psychological stress. Cortisol is mostly measured using blood or saliva samples. A number of genetic variants have been found to contribute to cortisol levels with these methods. While the effects of several specific single genetic variants is known, the joint genome-wide contribution to cortisol levels is unclear. Our aim was to estimate the amount of cortisol variance explained by common single nucleotide polymorphisms, i...
August 12, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28738774/advanced-methods-for-analysis-of-testosterone
#9
Livia Alexandra Gugoasa, Raluca Ioana Stefan-van Staden
Testosterone is the principal endogenous androgenic-anabolic steroid in humans. The levels of testosterone in the human body are correlated with many hormonal disorders (hypogonadism, impotence, etc) mostly in men, and with many types of diseases such as: prostate cancer, metabolic syndrome, obesity, cardiovascular diseases and so on. Testosterone is extensively used among sportsmen willing to increase strength, aggressiveness, and recovery; making it the most commonly reported substance in steroid abuse. Fast, easy and cheap methods for the evaluation of testosterone are extremely needed in clinics and hospitals...
July 24, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28729707/status-stress-and-performance-in-track-and-field-athletes-during-the-european-games-in-baku-azerbaijan
#10
Benjamin Siart, Alfred Nimmerichter, Claudia Vidotto, Bernard Wallner
This study analyzes the relationship between salivary cortisol and testosterone levels and performance in track and field athletes. In addition, we analyzed the influence of status among athletes (measured based on previous athletic achievement) on hormone levels. Nineteen members of the Austrian track and field team (eleven males, eight females, 25.9 ± 3.9 years of age, 74.9 ± 20.1 kg, and 179.3 ± 10 cm) participated in this study. Data was collected during the European Games in Baku. Athletes delivered saliva samples at various time-points including morning samples and samples directly before and after the competition...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28692609/human-semen-quality-sperm-dna-damage-and-the-level-of-reproductive-hormones-in-relation-to-urinary-concentrations-of-parabens
#11
Joanna Jurewicz, Michał Radwan, Bartosz Wielgomas, Emila Dziewirska, Anetta Karwacka, Anna Klimowska, Paweł Kałużny, Paweł Radwan, Michał Bochenek, Wojciech Hanke
OBJECTIVE: The aim of this study was to evaluate the association between environmental exposure to parabens and semen quality parameters [main semen parameters, computer-aided semen analysis (CASA parameters], sperm chromatin structure, and the level of reproductive hormones in men [follicle-stimulating hormone (FSH), testosterone, estradiol]. METHODS: Urine samples collected from 315 men who attended the infertility clinic for diagnostic purposes with normal semen concentration of 15 to 300 mln/mL were analyzed for five parabens concentrations using a validated gas chromatography ion-tap mass spectrometry method...
November 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28687839/associations-between-vocal-symptoms-and-genetic-variants-in-the-oxytocin-receptor-and-arginine-vasopressin-1a-receptor-gene
#12
Sofia Holmqvist Jämsen, Ada Johansson, Lars Westberg, Pekka Santtila, Bettina von der Pahlen, Susanna Simberg
Purpose: Oxytocin and arginine vasopressin are associated with different aspects of the stress response. As stress is regarded as a risk factor for vocal symptoms, we wanted to explore the association between the oxytocin receptor gene (OXTR) and arginine vasopressin 1A receptor gene (AVPR1A) single-nucleotide polymorphisms (SNPs) and vocal symptoms. We also wanted to explore whether such effects might be mediated by cortisol because oxytocin and vasopressin are associated with cortisol levels...
July 7, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28444055/prospects-of-studies-on-violence-adolescence-and-cortisol-a-systematic-literature-review
#13
Leonardo Planel Lugarinho, Joviana Quintes Avanci, Liana Wernersbach Pinto
Violence has a negative impact on adolescents and affects their quality of life. It causes stress and requires the victim's adaptive capacity, which can cause psychological and biological changes. Hormone cortisol levels have been used as stress biomarker in several studies. This paper aims to perform a systematic literature review of publications on cortisol and violence involving teenagers from 2000 to 2013. Descriptors "cortisol", "violence" and "adolescent" were used in both English and Portuguese in this review, which included bibliographic databases PubMed/Medline, Lilacs, BVS and SciELO...
April 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28420859/ultrastructural-and-physico-chemical-characterization-of-saliva-during-menstrual-cycle-in-perspective-of-ovulation-in-human
#14
Ganesan Saibaba, Mahalingam Srinivasan, Archunan Priya Aarthy, Velliyangiri Silambarasan, Govindaraju Archunan
Human saliva is a potential diagnostic fluid and any alteration in body might be reflected in saliva so that saliva is considered as "mirror of the body". Variations in salivary hormone level, ultra structure, pH, flow rate, buffering capacity and electrolytes level are found during menstrual cycle in regard to ovulation. Thirty healthy volunteers were used for the assessment of physico-chemical changes in saliva. Reproductive cycle was categorized as pre-ovulation phase (5 to 12 days), ovulation phase (13 or 14 days) and post-ovulation phase (15 to 25 days) according to salivary arborization test and hormonal analysis...
May 30, 2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/28413941/psychobiological-protective-factors-modifying-the-association-between-age-and-sexual-health-in-men-findings-from-the-men-s-health-40-study
#15
Andreas Walther, Fiona Mahler, Rudolf Debelak, Ulrike Ehlert
Sexual health severely decreases with age. For males older than 40 years, erectile dysfunction (ED) is the most common sexual disorder. Although physical and psychological risk factors for ED have been identified, protective factors are yet to be determined. To date, no study has examined endocrine and psychosocial factors in parallel with regard to their modifying effect on the age-related increase in ED. Two hundred and seventy-one self-reporting healthy men aged between 40 and 75 years provided both psychometric data on sexual function and a set of potential psychosocial protective factors, and saliva samples for the analysis of steroid hormones and proinflammatory cytokines...
May 2017: American Journal of Men's Health
https://www.readbyqxmd.com/read/28277426/effect-of-cold-water-immersion-performed-on-successive-days-on-physical-performance-muscle-damage-and-inflammatory-hormonal-and-oxidative-stress-markers-in-volleyball-players
#16
Victor H de Freitas, Solange P Ramos, Maurício G Bara-Filho, Daniel G S Freitas, Danilo R Coimbra, Rubens Cecchini, Flávia A Guarnier, Fábio Y Nakamura
The aim of this study was to investigate the effects of daily cold water immersion (CWI) on physical performance, muscle damage, and inflammatory, hormonal, and oxidative stress markers in volleyball. Six players were submitted to CWI and six players to a placebo, during 5 training days. Thigh circumference, squat jump, and agility were measured on the 1, 3 and 6 days. On the 1 and 6 days, blood and saliva were collected for analysis of oxidative stress, muscle damage, and inflammatory and hormonal levels. Muscle soreness and countermovement jump were quantified daily...
March 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28198392/coffee-consumption-is-associated-with-dna-methylation-levels-of-human-blood
#17
Yu-Hsuan Chuang, Austin Quach, Devin Absher, Themistocles Assimes, Steve Horvath, Beate Ritz
Beneficial health effects have been attributed to coffee consumption, but it is not yet known whether epigenetics may have a role in this process. Here we associate epigenome-wide DNA methylation levels to habitual coffee consumption from two studies with blood (2100 and 215 participants), and one with saliva samples (256 participants). Adjusting for age, gender, and blood cell composition, one CpG (cg21566642 near ALPPL2) surpassed genome-wide significance (P=3.7 × 10(-10)) and from among 10 additional CpGs significant at P≤5...
May 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28188242/steroid-hormone-analysis-in-diagnosis-and-treatment-of-dsd-position-paper-of-eu-cost-action-bm-1303-dsdnet
#18
REVIEW
A Kulle, N Krone, P M Holterhus, G Schuler, R F Greaves, A Juul, Y B de Rijke, M F Hartmann, A Saba, O Hiort, S A Wudy
Disorders or differences in sex development (DSD) comprise a heterogeneous group of conditions with an atypical sex development. For optimal diagnosis, highly specialised laboratory analyses are required across European countries. Working group 3 of EU COST (European Cooperation in Science and Technology) Action BM 1303 'DSDnet' 'Harmonisation of Laboratory Assessment' has developed recommendations on laboratory assessment for DSD regarding the use of technologies and analytes to be investigated. This position paper on steroid hormone analysis in diagnosis and treatment of DSD was compiled by a group of specialists in DSD and/or hormonal analysis, either from participating European countries or international partner countries...
May 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28039871/high-salivary-testosterone-to-androstenedione-ratio-and-adverse-metabolic-phenotypes-in-women-with-polycystic-ovary-syndrome
#19
J Münzker, L Lindheim, J Adaway, C Trummer, E Lerchbaum, T R Pieber, B Keevil, B Obermayer-Pietsch
BACKGROUND: Polycystic ovary syndrome (PCOS) is characterized by a combination of hormonal and metabolic disturbances, such as insulin resistance, glucose intolerance, anovulation and hyperandrogenism. Clinical phenotypes of PCOS show different patterns of steroid hormones that have been investigated to some extent. This study aimed to establish a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the quantification of salivary testosterone and androstenedione and to describe the salivary testosterone-to-androstenedione (T/A4) ratio as a new tool for the assessment of hyperandrogenism and metabolic health...
April 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/27995329/stress-hormones-and-posttraumatic-stress-symptoms-following-paediatric-critical-illness-an-exploratory-study
#20
REVIEW
Lorraine C Als, Maria D Picouto, Kieran J O'Donnell, Simon Nadel, Mehrengise Cooper, Christine M Pierce, Tami Kramer, Vivette A S Glover, M Elena Garralda
In this exploratory case-control study, we investigated basal cortisol regulation in 5-16-year-old children, 3-6 months following PICU (paediatric intensive care) admission. This was nested within a study of child psychological and cognitive function; 47 children were assessed alongside 56 healthy controls. Saliva samples were collected three times per day (immediately after waking, waking +30 min, and waking +12 h) over two consecutive weekdays. In addition, data on posttraumatic stress symptoms were ascertained from 33 PICU admitted children using the Impact of Events Scale-8 (IES-8)...
May 2017: European Child & Adolescent Psychiatry
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