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https://www.readbyqxmd.com/read/28420859/ultrastructural-and-physico-chemical-characterization-of-saliva-during-menstrual-cycle-in-perspective-of-ovulation-in-human
#1
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...
April 14, 2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/28407517/social-status-strategy-in-early-adolescent-girls-testosterone-and-value-based-decision-making
#2
Stephanie L Cardoos, Ahna Ballonoff Suleiman, Megan Johnson, Wouter van den Bos, Stephen P Hinshaw, Ronald E Dahl
There has been strong interest, spanning several disciplines, in understanding adolescence as a developmental period of increased risk-taking behavior. Our goals focus on one line of investigation within this larger developmental risk framework. Specifically, we examined levels of pubertal hormones in girls in relation to their willingness to take greater financial risks to gain social status. To this end, we tested the hypothesis that higher levels of testosterone during the ages of pubertal maturation are associated with a greater willingness to sacrifice money for social admiration...
March 31, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28278220/placental-hormone-profiles-as-predictors-of-preterm-birth-in-twin-pregnancy-a-prospective-cohort-study
#3
Hui Lim, Sioned Powell, Helen C Mcnamara, A Forbes Howie, Ann Doust, Maria E Bowman, Roger Smith, Jane E Norman, Sarah J Stock
OBJECTIVE: The objective of the study was to analyse placental hormone profiles in twin pregnancies to determine if they could be used to predict preterm birth. STUDY DESIGN: Progesterone, estradiol, estriol and corticotropin-releasing hormone were measured using competitive immunoassay and radioimmunoassay in serum and saliva samples of 98 women with twin pregnancies,at 3 or more gestational timepoints. Hormone profiles throughout gestation were compared between very preterm (<34 weeks; n = 8), preterm (<37 weeks; n = 40) and term (37+ weeks; n = 50) deliveries...
2017: PloS One
https://www.readbyqxmd.com/read/28211029/influence-of-segmental-body-composition-and-adiposity-hormones-on-resting-metabolic-rate-and-substrate-utilization-in-overweight-and-obese-adults
#4
K R Hirsch, A E Smith-Ryan, M N M Blue, M G Mock, E T Trexler
PURPOSE: Low resting metabolic rate (RMR) and high carbohydrate reliance at rest are associated with weight gain, but are highly variable in obese individuals. This study determined the relationship of total and segmental body composition and adiposity hormones with RMR and respiratory exchange ratio (RER) in overweight and obese adults. METHODS: In 49 men (n = 23) and premenopausal women (n = 26) [mean ± SD; age = 35.0 ± 8.9 years; body mass index (BMI) = 33...
February 16, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28199919/relationships-between-oral-muc1-expression-and-salivary-hormones-in-burning-mouth-syndrome
#5
Jeong-Hyun Kang, Yoon-Young Kim, Ji-Youn Chang, Hong-Seop Kho
OBJECTIVES: To investigate possible relationships among oral mucosal epithelial MUC1 expression, salivary female gonadal hormones and stress markers, and clinical characteristics in patients with burning mouth syndrome (BMS). DESIGN: Thirty post-menopausal female patients with BMS (60.0±5.0 years) were included. Clinical and psychological evaluations were performed and the expression level of oral mucosal epithelial MUC1 was analyzed. The levels of cortisol, dehydroepiandrosterone (DHEA), 17β-estradiol, progesterone, chromogranin A, and blood contamination were determined from unstimulated whole saliva (UWS) and stimulated whole saliva (SWS) samples...
February 4, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28064085/cortisol-awakening-response-is-blunted-and-pain-perception-is-increased-during-menses-in-cyclic-women
#6
Tuba Ozgocer, Cihat Ucar, Sedat Yildiz
BACKGROUND AND AIMS: The incidence of menstrual symptoms is reported to be as high as 90% in cyclic women. These symptoms, including anxiety and pain, might be associated with cortisol, as its receptors are widely distributed in the brain areas associated with behavior. Therefore, the current study aimed to assess the cortisol awakening response (CAR) throughout the menstrual cycle and correlate it with pain perception and trait anxiety. MATERIALS AND METHODS: CAR was assessed by measuring salivary cortisol at 0, 15, 30, and 60min following awakening in the same women (n=59, age 22...
December 21, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28054823/estradiol-related-variations-in-top-down-and-bottom-up-processes-of-cerebral-lateralization
#7
Sophie Hodgetts, Susanne Weis, Markus Hausmann
OBJECTIVE: Natural fluctuations of sex hormones have been shown to modulate cerebral lateralization in dichotic listening tasks. Two recent studies presented contradictory notions regarding the mechanism of this effect. Specifically, whereas Hjelmervik et al. (2012) suggested that estradiol affects lateralization by enhancing top-down processes, such as cognitive control, Hodgetts, Weis, and Hausmann, (2015) suggested that the effect was attributable to estradiol-related variations in bottom-up aspects of lateralization...
March 2017: Neuropsychology
https://www.readbyqxmd.com/read/28034986/influence-of-sexual-hormones-on-neural-orofacial-perception
#8
Bruna Alves, Flavia Ibuki, Alyne Simões Gonçalves, Manoel Jacobsen Teixeira, Silvia Regina Dowgan Tesseroli De Siqueira
OBJECTIVE  : To investigate the trigeminal somatosensory (thermal, pain, tactile, vibratory, and electric), gustative (salty, bitter, sweet, sour), and olfactory thresholds in healthy women during the menstrual cycle and investigate any association with estradiol and progesterone levels in saliva. METHODS : We examined/tested 39 women between age 19 and 47 years and with regular menstrual cycles and no comorbidities. All women were informed about the purposes of the study, and only those who signed the informed consent were included...
December 29, 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/27989492/a-statistical-method-to-calculate-blood-contamination-in-the-measurement-of-salivary-hormones-in-healthy-women
#9
Guilherme A Behr, Jay P Patel, Marg Coote, Jose C F Moreira, Daniel P Gelain, Meir Steiner, Benicio N Frey
OBJECTIVES: Previous studies have reported that salivary concentrations of certain hormones correlate with their respective serum levels. However, most of these studies did not control for potential blood contamination in saliva. In the present study we developed a statistical method to test the amount of blood contamination that needs to be avoided in saliva samples for the following hormones: cortisol, estradiol, progesterone, testosterone and oxytocin. DESIGN & METHODS: Saliva and serum samples were collected from 38 healthy, medication-free women (mean age=33...
December 16, 2016: Clinical Biochemistry
https://www.readbyqxmd.com/read/27936434/mineralocorticoid-receptor-haplotype-estradiol-progesterone-and-emotional-information-processing
#10
Danielle A Hamstra, E Ronald de Kloet, Ina Quataert, Myrthe Jansen, Willem Van der Does
BACKGROUND: Carriers of MR-haplotype 1 and 3 (GA/CG; rs5522 and rs2070951) are more sensitive to the influence of oral contraceptives (OC) and menstrual cycle phase on emotional information processing than MR-haplotype 2 (CA) carriers. We investigated whether this effect is associated with estradiol (E2) and/or progesterone (P4) levels. METHOD: Healthy MR-genotyped premenopausal women were tested twice in a counterbalanced design. Naturally cycling (NC) women were tested in the early-follicular and mid-luteal phase and OC-users during OC-intake and in the pill-free week...
February 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/27737609/metabolic-characterization-of-overweight-and-obese-adults
#11
Katie R Hirsch, Abbie E Smith-Ryan, Malia N M Blue, Meredith G Mock, Eric T Trexler, Kristin S Ondrak
OBJECTIVES: Traditional evaluations of metabolic health may overlook underlying dysfunction in individuals who show no signs of insulin resistance or dyslipidemia. The purpose of this study was to characterize metabolic health in overweight and obese adults using traditional and non-traditional cardiometabolic variables. A secondary purpose was to evaluate differences between overweight/obese and male/female cohorts, respectively. METHODS: Forty-nine overweight and obese adults (Mean ± SD; Age = 35...
2016: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/27717337/polymorphisms-in-the-estrogen-receptor-alpha-gene-esr1-daily-cycling-estrogen-and-mammographic-density-phenotypes
#12
F N Fjeldheim, H Frydenberg, V G Flote, A McTiernan, A-S Furberg, P T Ellison, E S Barrett, T Wilsgaard, G Jasienska, G Ursin, E A Wist, I Thune
BACKGROUND: Single nucleotide polymorphisms (SNPs) involved in the estrogen pathway and SNPs in the estrogen receptor alpha gene (ESR1 6q25) have been linked to breast cancer development, and mammographic density is an established breast cancer risk factor. Whether there is an association between daily estradiol levels, SNPs in ESR1 and premenopausal mammographic density phenotypes is unknown. METHODS: We assessed estradiol in daily saliva samples throughout an entire menstrual cycle in 202 healthy premenopausal women in the Norwegian Energy Balance and Breast Cancer Aspects I study...
October 7, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27668549/salivary-estradiol-as-a-surrogate-marker-for-serum-estradiol-in-assisted-reproduction-treatment
#13
Tom Fiers, Caroline Dielen, Sara Somers, Jean-Marc Kaufman, Jan Gerris
INTRODUCTION: Controlled ovarian hyper-stimulation for in vitro fertilization or intra cytoplasmatic sperm injection necessitates close monitoring using ultrasound and estradiol measurements. Monitoring is also important to prevent or limit the severity of ovarian hyper stimulation syndrome, an iatrogenic and potentially life-threatening complication. Self-operated endovaginal telemonitoring has been shown to offer an attractive and less costly alternative to classic consultation and saliva estradiol measurements could be a stress-free and practical alternative to serial blood determinations...
February 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/27589836/the-rate-of-change-in-declining-steroid-hormones-a-new-parameter-of-healthy-aging-in-men
#14
Andreas Walther, Michel Philipp, Niclà Lozza, Ulrike Ehlert
Research on healthy aging in men has increasingly focused on age-related hormonal changes. Testosterone (T) decline is primarily investigated, while age-related changes in other sex steroids (dehydroepiandrosterone [DHEA], estradiol [E2], progesterone [P]) are mostly neglected. An integrated hormone parameter reflecting aging processes in men has yet to be identified. 271 self-reporting healthy men between 40 and 75 provided both psychometric data and saliva samples for hormone analysis. Correlation analysis between age and sex steroids revealed negative associations for the four sex steroids (T, DHEA, E2, and P)...
September 20, 2016: Oncotarget
https://www.readbyqxmd.com/read/27554022/liquid-chromatography-quadrupole-linear-ion-trap-mass-spectrometry-for-quantitative-steroid-hormone-analysis-in-plasma-urine-saliva-and-hair
#15
Alexander Gaudl, Juergen Kratzsch, Yoon Ju Bae, Wieland Kiess, Joachim Thiery, Uta Ceglarek
Steroid analysis is being conquered by liquid chromatography tandem mass spectrometry (LC-MS/MS) benefiting from higher standardization, selectivity and diversity. Regarding high throughput in routine diagnostics rapid chromatography is mandatory. Introducing MS(3) (MS/MS/MS), specificity of mass spectrometric detection can be enhanced without sacrificing analysis time. 100mL of human plasma/serum, saliva, urine and 10-20mg of hair are used for the simultaneous quantification of 17α-hydroxyprogesterone, aldosterone, androstenedione, cortisol, cortisone, dehydroepiandrosterone sulfate (DHEAS), estradiol, progesterone, and testosterone using online solid phase extraction (SPE) LC-MS/MS or LC-MS(3)...
September 16, 2016: Journal of Chromatography. A
https://www.readbyqxmd.com/read/27543788/endocrine-disrupting-chemicals-and-ovulation-is-there-a-relationship
#16
Mia V Gallo, Julia Ravenscroft, David O Carpenter, Cheryl Frye, Akwesasne Task Force On The Environment, Beverly Cook, Lawrence M Schell
Although the potential for endocrine disrupting chemicals (EDCs) to disrupt female fecundity is great, few studies have assessed the threat to human reproduction. This study investigates levels of organochlorines in relation to their impact on women's menstrual cycles and ovulatory status. To address concerns of the Akwesasne Mohawk community in upstate New York regarding well-established exposure to EDCs, women's fertility and reproductive health endpoints, we recruited 215 women between the ages of 21 and 38 years to measure menstrual cycle characteristics and levels of local pollutants...
August 17, 2016: Environmental Research
https://www.readbyqxmd.com/read/27503768/sex-hormones-modulate-neurophysiological-correlates-of-visual-temporal-attention
#17
Cornelia Kranczioch, Anja Lindig, Markus Hausmann
The functional cerebral asymmetry (FCA) in processing targets within rapid serial visual presentation (RSVP) streams has been reported to fluctuate across the menstrual cycle, with identification of the second of two closely spaced targets being impaired when both targets occur in the left or the right hemifield stream during the luteal phase, while during the menstrual phase identification of the second target is only impaired for target pairs presented in the right hemifield stream. This fluctuation has been proposed to result from variations in estradiol levels...
August 5, 2016: Neuropsychologia
https://www.readbyqxmd.com/read/27398882/gonads-and-strife-sex-hormones-vary-according-to-sexual-orientation-for-women-and-stress-indices-for-both-sexes
#18
Robert-Paul Juster, Daniel Almeida, Christopher Cardoso, Catherine Raymond, Philip Jai Johnson, James G Pfaus, Adrianna Mendrek, Annie Duchesne, Jens C Pruessner, Sonia J Lupien
This study assessed sexual orientation and psychobiological stress indices in relation to salivary sex hormones as part of a well-validated laboratory-based stress paradigm. Participants included 87 healthy adults that were on average 25 years old who self-identified as lesbian/bisexual women (n=20), heterosexual women (n=21), gay/bisexual men (n=26), and heterosexual men (n=20). Two saliva samples were collected fifteen minutes before and fifteen minutes after exposure to a modified Trier Social Stress Test to determine testosterone, estradiol, and progesterone concentrations via enzyme-immune assaying...
October 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/27301874/putative-periodontopathic-bacteria-and-herpesviruses-in-pregnant-women-a-case-control-study
#19
Haixia Lu, Ce Zhu, Fei Li, Wei Xu, Danying Tao, Xiping Feng
Little is known about herpesvirus and putative periodontopathic bacteria in maternal chronic periodontitis. The present case-control study aimed to explore the potential relationship between putative periodontopathic bacteria and herpesviruses in maternal chronic periodontitis.Saliva samples were collected from 36 pregnant women with chronic periodontitis (cases) and 36 pregnant women with healthy periodontal status (controls). Six putative periodontopathic bacteria (Porphyromonas gingivalis [Pg], Aggregatibacer actinomycetemcomitans [Aa], Fusobacterium nucleatum [Fn], Prevotella intermedia [Pi], Tannerella forsythia [Tf], and Treponema denticola [Td]) and three herpesviruses (Epstein-Barr virus [EBV], human cytomegalovirus [HCMV], and herpes simplex virus [HSV]) were detected...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27191801/salivary-antimicrobial-defensins-in-pregnancy
#20
Mervi Gürsoy, Ulvi K Gürsoy, Anna Liukkonen, Tommi Kauko, Saara Penkkala, Eija Könönen
AIM: Susceptibility to and severity of gingival inflammation are enhanced during pregnancy; however, regulation of oral innate immune response, including antimicrobial peptides, during pregnancy is still unknown. We analysed salivary levels of human beta-defensin (hBD)-1, -2, -3, and human neutrophil peptide (HNP)-1 in pregnant women, and related those to their periodontal status. MATERIAL AND METHODS: In this cohort study, 30 generally healthy, non-smoking Caucasian women without periodontitis were followed at three time points during pregnancy and twice post-partum...
October 2016: Journal of Clinical Periodontology
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