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https://www.readbyqxmd.com/read/27920545/thyroid-dysfunction-among-type-2-diabetic-female-egyptian-subjects
#1
Ibrahim N Elebrashy, Amr El Meligi, Laila Rashed, Randa F Salam, Elham Youssef, Shaimaa A Fathy
PURPOSE: High prevalence of thyroid disorders is more common in type 1 diabetes compared to type 2 diabetes, due to associated autoimmunity. Hypothyroidism is the most common disorder. The objective was to assess the prevalence of thyroid dysfunction among type 2 diabetic Egyptian females and to find the correlation between metabolic syndrome components and autoimmune thyroid dysfunction. MATERIALS AND METHODS: The study included 62 type 2 diabetic Egyptian females and 27 sex- and age-matched controls...
2016: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/27918427/prolactin-friend-or-foe-in-central-nervous-system-autoimmune-inflammation
#2
REVIEW
Massimo Costanza, Rosetta Pedotti
The higher prevalence of multiple sclerosis (MS) in females, along with the modulation of disease activity observed during pregnancy and the post-partum period, has suggested a hormonal influence in MS. Even if prolactin (PRL) does not belong to the sex hormones family, its crucial role in female reproduction and lactation has prompted great efforts to understand if PRL could represent a gender factor in the pathogenesis of MS and experimental autoimmune encephalomyelitis (EAE), the animal model for this disease...
December 2, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27914563/differential-effects-of-testosterone-and-estradiol-on-clitoral-function-an-experimental-study-in-rats
#3
Paolo Comeglio, Ilaria Cellai, Sandra Filippi, Chiara Corno, Francesca Corcetto, Annamaria Morelli, Elena Maneschi, Elisa Maseroli, Edoardo Mannucci, Massimiliano Fambrini, Mario Maggi, Linda Vignozzi
INTRODUCTION: Female sexual response is a complex phenomenon in which psychological, neurologic, and vascular mechanisms and hormonal factors interact. During the arousal phase, they cooperate to increase genital blood flow, thus inducing engorgement of the clitoris and lubrication of the vagina. Regulation of vascular and non-vascular smooth muscle tone is the crucial event in the erectile process. Preclinical studies have suggested that nitric oxide (NO) is the main vasodilator neurotransmitter modulating, through the second messenger cyclic guanosine monophosphate (cGMP), clitoral flow vessels...
December 2016: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/27912163/reproduction-impairment-and-endocrine-disruption-in-adult-zebrafish-danio-rerio-after-waterborne-exposure-to-tboep
#4
Qinglong Xu, Ding Wu, Yao Dang, Liqin Yu, Chunsheng Liu, Jianghua Wang
Tris (2-butoxyethyl) phosphate (TBOEP) is widely used as a substitute of polybrominated diphenyl ethers (PBDEs). It has been frequently measured at concentrations of micrograms per liter (μg/L) in surface waters and waste water. However, limited information is available about the reproduction toxicology of TBOEP. In this study, adult zebrafish pairs were exposed to TBOEP at concentrations of 0, 5, 50, and 500μg/L for 21days. The effects on reproduction, hormone concentration, transcription of genes along the hypothalamic-pituitary-gonadal (HPG) axis, and gonadal development were investigated...
November 24, 2016: Aquatic Toxicology
https://www.readbyqxmd.com/read/27909230/the-protective-role-of-sex-hormones-in-females-and-exercise-prehabilitation-in-males-on-sternotomy-induced-cranial-hypoperfusion-in-aortic-banded-mini-swine
#5
T Dylan Olver, Jessica A Hiemstra, Jenna C Edwards, Brian S Ferguson, Harold Laughlin, Craig A Emter
During cardiac surgery, specifically sternotomy, cranial hypoperfusion is linked to cerebral ischemia, increased risk of perioperative watershed stroke and other neurocognitive complications. The purpose of this study was to retrospectively examine the effect of sex hormones in females and exercise prehabilitation in males on median sternotomy-induced changes in cranial perfusion in a large animal model of heart failure. Cranial blood flow (CBF) before, 10- and 60 min post-sternotomy was analyzed in eight groups of Yucatan mini-swine: female-control, aortic-banded, ovariectomized, and ovariectomized+aortic-banded; male-control, aortic-banded, aortic-banded+continuous exercise trained, and aortic-banded+interval exercise trained...
December 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27906155/-prevalence-of-hypothyroidism-in-andalusia-spain-determined-by-thyroid-hormone-comsumption
#6
José Escribano-Serrano, José Mancera-Romero, Vanessa Santos-Sánchez, Carolina Payá-Giner, Mª Isabel Méndez-Esteban, Antonio García-Bonilla, Manuela Márquez-Ferrando, Antonio Hormigo-Pozo, Alfredo Michán-Doña
OBJECTIVE: Hypothyroidism is the most common condition linked to a hormone deficiency, nevertheless data on its prevalence are scarce in Spain. For that reason, we have estimated its prevalence through the registration of patients who had used thyroid hormones in Andalusia (South Spain). METHODS: Data of patients who had withdrawn levothyroxine under the public system during 2014 from the base of the Andalusian Health Service were considered. Prevalence were calculated with confidence intervals of 95% for each management area, stratified by sex and age groups, and differences between them were evaluated...
December 2, 2016: Revista Española de Salud Pública
https://www.readbyqxmd.com/read/27905879/transcriptome-profiling-in-the-damselfly-ischnura-elegans-identifies-genes-with-sex-biased-expression
#7
Pallavi Chauhan, Maren Wellenreuther, Bengt Hansson
BACKGROUND: Sexual dimorphism occurs widely across the animal kingdom and has profound effects on evolutionary trajectories. Here, we investigate sex-specific gene expression in Ischnura elegans (Odonata: dragonflies and damselflies), a species with pronounced sexual differences including a female-limited colour polymorphism with two female-like gynochrome morphs and one male-mimicking, androchrome morph. Whole-organism transcriptome profiling and sex-biased gene expression analysis was conducted on adults of both sexes (pooling all females as well as separating the three morphs) to gain insights into genes and pathways potentially associated with sexual development and sexual conflict...
December 1, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27901271/hyperostosis-frontalis-interna-in-female-historic-skeletal-populations-age-sex-hormones-and-the-impact-of-industrialization
#8
A G Western, J J Bekvalac
OBJECTIVES: This analysis aims to investigate the impact of industrialization on the prevalence of Hyperostosis Frontalis Interna (HFI), focusing on the roles of age and parity to examine the claim that longevity and changing reproductive patterns have led to increased rates in modern populations. MATERIALS AND METHODS: A total of 138 individuals from two documented London skeletal assemblages of the Industrial period were analyzed employing macroscopic observation, digital radiography and MicroCT scanning to establish the prevalence rates of HFI according to modern clinical standards...
November 30, 2016: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/27901182/does-insulin-resistance-increase-thyroid-volume-in-patients-with-polycystic-ovary-syndrome
#9
Murat Sahin, Didem Demircioglu, Ayten Oguz, Dilek Tuzun, Mehmet Akif Sarica, Elif Inanc, Kamile Gul
Objective: To investigate the effect of gonadotropin, sex hormone levels and insulin resistance (IR) on thyroid functions and thyroid volume (TV) in polycystic ovary syndrome (PCOS). Subjects and methods: 69 new diagnosed PCOS patients (age 24.82 ± 6.17) and 56 healthy control female (age 26.69 ± 5.25) were involved to the study. Fasting plasma glucose, lipid profile, insulin, thyroid stimulating hormone (TSH), free thyroxine (fT4), estradiol (E2), luteinizing hormone (LH), follicle stimulating hormone levels and urine iodine were measured in all participants...
November 24, 2016: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27899281/sex-differences-in-responses-of-the-basolateral-central-amygdala-circuit-to-alcohol-corticosterone-and-their-interaction
#10
Marian L Logrip, Christopher Oleata, Marisa Roberto
Alcohol use disorders are chronically relapsing conditions that pose significant health challenges for our society. Stress is a prevalent trigger of relapse, particularly for women, yet the mechanisms by which alcohol and stress interact, and how this differs between males and females, remain poorly understood. The glutamatergic circuit connecting the basolateral (BLA) and central (CeA) nuclei of the amygdala is a likely locus for such adaptations, yet the impact of alcohol, corticosterone and their interaction on this circuit has been understudied...
November 26, 2016: Neuropharmacology
https://www.readbyqxmd.com/read/27895741/the-prognostic-significance-of-estrogen-receptor-%C3%AE-in-head-and-neck-squamous-cell-carcinoma
#11
Kresimir Grsic, Iva Ledinsky Opacic, Sanda Sitic, Marija Milkovic Perisa, Petar Suton, Bozena Sarcevic
Head and neck squamous cell carcinoma (HNSCC) is the fifth most common cancer in the world. Although multimodal and targeted therapy is now used in therapeutic procedures, the survival of patients with HNSCC has remained unchanged over the last 30 years. A number of studies have demonstrated that the increased expression of intranuclear ERβ in breast, lung and colon cancer is a favorable prognostic marker associated with higher survival rates. However, the clinical significance of sex hormone receptors in HNSCC remains unclear...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895264/sex-differences-in-human-and-animal-toxicology-toxicokinetics
#12
Michael Gochfeld
Sex, the states of being female or male, potentially interacts with all xenobiotic exposures, both inadvertent and deliberate, and influences their toxicokinetics (TK), toxicodynamics, and outcomes. Sex differences occur in behavior, exposure, anatomy, physiology, biochemistry, and genetics, accounting for female-male differences in responses to environmental chemicals, diet, and pharmaceuticals, including adverse drug reactions (ADRs). Often viewed as an annoying confounder, researchers have studied only one sex, adjusted for sex, or ignored it...
November 28, 2016: Toxicologic Pathology
https://www.readbyqxmd.com/read/27894163/feature-of-amenorrhea-in-postoperative-tamoxifen-users-with-breast-cancer
#13
Hoon Kim, Wonshik Han, Seung Yup Ku, Chang Suk Suh, Seok Hyun Kim, Young Min Choi
OBJECTIVE: Tamoxifen has been used to prevent the recurrence of breast cancer. However, tamoxifen-users frequently experience amenorrhea and it can be confused from that caused by other hormonal abnormalities. In amenorrheic patients without breast cancer, clinicians usually measure the sex hormone levels that are known to be associated with ovarian or menstrual function. This study aimed to investigate the feature of female sex hormones in premenopausal breast cancer patients undergoing tamoxifen treatment...
October 27, 2016: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/27891212/the-role-of-sex-differential-biology-in-risk-for-autism-spectrum-disorder
#14
REVIEW
Donna M Werling
Autism spectrum disorder (ASD) is a developmental condition that affects approximately four times as many males as females, a strong sex bias that has not yet been fully explained. Understanding the causes of this biased prevalence may highlight novel avenues for treatment development that could benefit patients with diverse genetic backgrounds, and the expertise of sex differences researchers will be invaluable in this endeavor. In this review, I aim to assess current evidence pertaining to the sex difference in ASD prevalence and to identify outstanding questions and remaining gaps in our understanding of how males come to be more frequently affected and/or diagnosed with ASD...
2016: Biology of Sex Differences
https://www.readbyqxmd.com/read/27888546/sex-differences-in-depolarizing-actions-of-gabaa-receptor-activation-in-rat-embryonic-hypothalamic-neurons
#15
Franco R Mir, Hugo F Carrer, María J Cambiasso
GABAA receptor activation exerts trophic actions in immature neurons through depolarization of resting membrane potential. The switch to its classical hyperpolarizing role is developmentally regulated. Previous results suggest that a hormonally biased sex difference exists at the onset of the switch in hypothalamic neurons. The aim of this work was to evaluate sex differences in GABAA receptor function of hypothalamic neurons before brain masculinization by gonadal hormones. Hypothalamic cells were obtained from embryonic day 16 male and female rat foetuses, 2 days before the peak of testosterone production by the foetal testis, and grown in vitro for 9 days...
November 5, 2016: European Journal of Neuroscience
https://www.readbyqxmd.com/read/27887681/bone-accrual-in-males-with-autism-spectrum-disorder
#16
Ann M Neumeyer, Natalia Cano Sokoloff, Erin McDonnell, Eric A Macklin, Christopher J McDougle, Madhusmita Misra
OBJECTIVE: To test the hypothesis that bone accrual over a 4-year period is reduced in boys with autism spectrum disorder (ASD) compared with typically developing controls. STUDY DESIGN: Twenty-five boys with ASD and 24 controls were assessed for bone outcomes. Fourteen boys with ASD and 11 controls were assessed both at baseline and after 4 years. The mean subject age was 11.0 ± 1.6 years at study initiation and 14.9 ± 1.6 years at follow-up. Bone mineral density (BMD) was measured at the spine, hip, and whole body using dual-energy X-ray absorptiometry and normalized for age, race, and sex (BMD z-scores)...
November 22, 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27887022/case-report-successful-open-resection-of-a-symptomatic-giant-liver-haemangioma-during-the-second-trimester-of-pregnancy
#17
Angus Hann, Edoardo Osenda, Jon A Reade, Demetrius Economides, Dinesh Sharma
Liver haemangiomas are consistently reported to be the commonest benign liver tumours and are most often incidental findings in asymptomatic individuals. Large lesions can become symptomatic, spontaneously rupture or result in a consumptive coagulopathy known as Kasabach-Merrit Syndrome. It is believed that the female sex hormones, particularly oestrogen, have an influence on haemangioma development and growth. The optimal management of large haemangiomas during the hyperoestrogenic state of pregnancy is poorly described in the current literature...
November 24, 2016: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/27884139/brominated-flame-retardants-in-placental-tissues-associations-with-infant-sex-and-thyroid-hormone-endpoints
#18
Christopher Leonetti, Craig M Butt, Kate Hoffman, Stephanie C Hammel, Marie Lynn Miranda, Heather M Stapleton
BACKGROUND: Brominated flame retardants (BFRs) are endocrine disruptors that bioaccumulate in the placenta, but it remains unclear if they disrupt tissue thyroid hormone (TH) metabolism. Our primary goal was to investigate associations between placental BFRs, TH levels, Type 3 deiodinase (DIO3) activity and TH sulfotransferase (SULT) activities. METHODS: Placenta samples collected from 95 women who delivered term (>37 weeks) infants in Durham, NC, USA (enrolled 2010-2011) were analyzed for polybrominated diphenyl ethers (PBDEs), 2,4,6-tribromophenol (2,4,6-TBP), THs (T4, T3 and rT3), and DIO3 and TH SULT activities...
November 25, 2016: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/27883319/the-effects-of-hormonal-therapy-and-exercise-on-bone-turnover-in-postmenopausal-women-a-randomised-double-blind-pilot-study
#19
Suzy Y Honisett, Kathy Tangalakis, John Wark, Vasso Apostolopoulos, Lily Stojanovska
INTRODUCTION: Hormone replacement therapy (HRT) and walking were investigated independently and in combination, to determine which treatment provided most effect on bone turnover in postmenopausal women. METHODS: Using a randomised double-blind pilot study, 10 subjects received HRT (transdermal estradiol, 50 μg/day and oral MPA 5 mg/day) and 12 received placebo for 20 weeks. Following a baseline period of treatment, both groups undertook a graduated walking regimen, which increased in intensity, duration and frequency parameters from weeks 8-20...
November 1, 2016: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/27882599/46-xx-males-a-case-series-based-on-clinical-and-genetics-evaluation
#20
F Mohammadpour Lashkari, M Totonchi, M R Zamanian, Z Mansouri, M A Sadighi Gilani, M Sabbaghian, A Mohseni Meybodi
46,XX male sex reversal syndrome is one of the rarest sex chromosomal aberrations. The presence of SRY gene on one of the X chromosomes is the most frequent cause of this syndrome. Based on Y chromosome profile, there are SRY-positive and SRY-negative forms. The purpose of our study was to report first case series of Iranian patients and describe the different clinical appearances based on their genetic component. From the 8,114 azoospermic and severe oligozoospermic patients referred to Royan institute, we diagnosed 57 cases as sex reversal patients...
November 24, 2016: Andrologia
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