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https://www.readbyqxmd.com/read/29777853/investigation-of-the-potential-endocrine-effect-of-nitrate-in-zebrafish-danio-rerio-and-brown-trout-salmo-trutta
#1
Poul Bjerregaard, Karin Lund Kinnberg, Maria Pedersen Mose, Henrik Holbech
Nitrate has the potential to affect steroid production. Nitrate concentrations in streams in agricultural areas may exceed concentrations showing effects in laboratory studies. The effects of nitrate and/or nitrite on endocrine relevant endpoints were tested in zebrafish and brown trout. Zebrafish were exposed in two experiments to nitrate (8.8 to 89 mg NO3 - /L) and nitrite (3.6 to 19 mg NO2 - /L) during the period of sexual differentiation and sex ratios were determined. Vitellogenin concentrations were determined in the second experiment...
May 16, 2018: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/29777688/proteomic-changes-during-adult-stage-in-pre-optic-hypothalamus-hippocampus-and-pituitary-regions-of-female-rat-brain-following-neonatal-exposure-to-estradiol-17%C3%AE
#2
Vijayakumar Govindaraj, Radhika Nagamangalam Shridharan, Addicam Jagannadha Rao
Although neonatal exposure to estrogen or estrogenic compounds results in irreversible changes in the brain function and reproductive abnormalities during adulthood but the underlying mechanisms are still largely unknown. The present study has attempted to compare the protein profiles of sexually dimorphic brain regions of adult female rats which were exposed to estradiol- 17β during neonatal period. The total proteins extracted from pre-optic area (POA), hypothalamus, hippocampus and pituitary of control and neonatally E2 treated female rats was subjected to 2D-SDS-PAGE and differentially expressed proteins were identification by MALDI TOF/TOF-MS...
May 16, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29777416/identification-of-genes-involved-in-gonadal-sex-differentiation-and-the-dimorphic-expression-pattern-in-takifugu-rubripes-gonad-at-the-early-stage-of-sex-differentiation
#3
Hongwei Yan, Xufang Shen, Xin Cui, Yumeng Wu, Lianshun Wang, Lei Zhang, Qi Liu, Yusheng Jiang
Quantifying the expression of mRNAs in the gonads at the critical stage of molecular sex differentiation stage might help to clarify the regulatory network during early sex differentiation and provide new information on the role of sex-related genes in gonadal function. In this study, transcriptomic analysis of sex-related genes expression profiles in fugu gonads at 60 and 90 days after hatching (dah) was conducted firstly, and a total of 112,504,991 clean reads, encompassing 28.35 Gb of sequences were retrieved...
May 18, 2018: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29775752/the-genetics-and-molecular-pathogenesis-of-systemic-lupus-erythematosus-sle-in-populations-of-different-ancestry
#4
REVIEW
George N Goulielmos, Maria I Zervou, Vassilis M Vazgiourakis, Yogita Ghodke-Puranik, Alexandros Garyfallos, Timothy B Niewold
Systemic lupus erythematosus (SLE; OMIM 152700) is a highly heterogeneous disorder, characterized by differences in autoantibody profile, serum cytokines, and a multi-system involvement commonly affecting the skin, renal, musculoskeletal, and hematopoetic systems clinical manifestations involving. Disease features range from mild manifestations, such as rash or arthritis, to life-threatening end-organ manifestations, such as glomerulonephritis or thrombosis, and it is difficult to predict which manifestations will affect a given patient...
May 15, 2018: Gene
https://www.readbyqxmd.com/read/29774261/same-sex-parenting-assisted-reproduction-and-gender-asymmetry-reflecting-on-the-differential-effects-of-legislation-on-gay-and-lesbian-family-formation-in-spain
#5
Elixabete Imaz
This article takes an anthropological approach to examine how laws governing family formation in Spain affect same-sex couples seeking to become parents, in particular the cultural causes and implications of such laws. It highlights how the same laws are has a different impact on gay couples and lesbian couples. Legislation combines with other factors to favour and expand the possibilities of accessing motherhood for women in lesbian couples while limiting the possibilities of parenthood for men in gay couples...
June 2017: Reproductive Biomedicine & Society Online
https://www.readbyqxmd.com/read/29773953/mir-34a-mediated-regulation-of-xist-in-female-cells-under-inflammation
#6
Botros B Shenoda, Yuzhen Tian, Guillermo M Alexander, Enrique Aradillas-Lopez, Robert J Schwartzman, Seena K Ajit
Background: Evidence is overwhelming for sex differences in pain, with women representing the majority of the chronic pain patient population. There is a need to explore novel avenues to elucidate this sex bias in the development of chronic inflammatory pain conditions. Complex regional pain syndrome (CRPS) is a chronic neuropathic pain disorder, and the incidence of CRPS is greater in women than in men by ~4:1. Since neurogenic inflammation is a key feature of CRPS, dysregulation of inflammatory responses can be a factor in predisposing women to chronic pain...
2018: Journal of Pain Research
https://www.readbyqxmd.com/read/29771782/differential-patterns-of-risk-and-vulnerability-suggest-the-need-for-novel-prevention-strategies-for-black-bisexual-men-in-the-hptn-061-study
#7
Typhanye V Dyer, Maria R Khan, Rotrease Regan, Nina T Harawa, LaRon E Nelson, Leo Wilton, Lei Wang, Lili Peng, San San Ou, Steve Shoptaw
BACKGROUND: Black men who have sex with men (BMSM); some who also have sex with women (BMSMW), account for over 70% of new HIV infections in the US representing an elevated HIV risk in this group, also informing risks for HIV transmission to other BMSM and female sexual partners. SETTINGS: We examined trajectories of self-reported substance use, HIV-related sexual risk behaviors and psychosocial vulnerabilities among BMSMW versus BMSM over a one-year study period...
May 10, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29771368/restless-sleep-disorder-in-children-a-pilot-study-on-a-tentative-new-diagnostic-category
#8
Lourdes M DelRosso, Oliviero Bruni, Raffaele Ferri
Study Objectives: A group of children with "restless sleep" who do not fit the criteria for any other sleep disorder but with daytime impairment are studied to identify restless sleep disorder (RSD) clinically and polysomnographically and to differentiate it from other sleep disorders of childhood. Methods: A pilot study of 15 school aged children with restless sleep and 15 sex and age matched children with restless leg syndrome (RLS) and 37 normal controls were included...
May 16, 2018: Sleep
https://www.readbyqxmd.com/read/29771299/at-the-crossroads-of-fate-somatic-cell-lineage-specification-in-the-fetal-gonad
#9
Emmi Rotgers, Anne Jørgensen, Humphrey Hung-Chang Yao
The reproductive endocrine systems are vastly different between male and female. This sexual dimorphism of endocrine milieu originates from sex-specific differentiation of the somatic cells in the gonads during fetal life. The majority of gonadal somatic cells arise from the adrenogonadal primordium. After separation of the adrenal and gonadal primordia, the gonadal somatic cells initiate sex-specific differentiation during gonadal sex determination with the specification of the supporting cell lineages: Sertoli cells in the testis vs...
May 15, 2018: Endocrine Reviews
https://www.readbyqxmd.com/read/29771033/-the-effects-and-expression-of-survivin-and-aurora-b-in-laryngeal-carcinoma
#10
C H Hu, W H Wang, Q Wang, X S He
Objective: The aim of this study is to investigate the relationship between the expression of Survivin and Aurora-b in laryngeal carcinoma and its clinical and pathological features, and to determine the possibility of Survivin and Aurora-b being a biomarker in laryngeal carcinoma diagnosis or being an predictor of overall survival (OS) in laryngeal carcinoma patients underwent surgical resection. Method: Eighty-six cases of laryngeal carcinoma tissues diagnosed by pathology were collected, and 86 cases of adjacent tissues and 22 cases of normal tissues were selected as control...
May 20, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29769693/caring-for-individuals-with-a-difference-of-sex-development-dsd-a-consensus-statement
#11
REVIEW
Martine Cools, Anna Nordenström, Ralitsa Robeva, Joanne Hall, Puck Westerveld, Christa Flück, Birgit Köhler, Marta Berra, Alexander Springer, Katinka Schweizer, Vickie Pasterski
The term differences of sex development (DSDs; also known as disorders of sex development) refers to a heterogeneous group of congenital conditions affecting human sex determination and differentiation. Several reports highlighting suboptimal physical and psychosexual outcomes in individuals who have a DSD led to a radical revision of nomenclature and management a decade ago. Whereas the resulting recommendations for holistic, multidisciplinary care seem to have been implemented rapidly in specialized paediatric services around the world, adolescents often experience difficulties in finding access to expert adult care and gradually or abruptly cease medical follow-up...
May 16, 2018: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/29769605/sex-difference-in-bone-architecture-and-bone-fragility-in-vietnamese
#12
Lan T Ho-Pham, Thao P Ho-Le, Linh D Mai, Tam M Do, Minh C Doan, Tuan V Nguyen
This study sought to define the sex-difference in trabecular and cortical bone parameters in Vietnamese individuals. The study involved 1404 women and 864 men aged between 20 and 86 years who were recruited from Ho Chi Minh City, Vietnam. Trabecular and cortical volumetric BMD were measured at the proximal tibia and proximal radius at 4%, 38%, and 66% points, using a peripheral quantitative computed tomography XCT2000 (Stratec, Germany). Polar strength strain index was estimated from cortical bone parameters...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29768628/androgen-insensitivity-syndrome-a-review
#13
Rafael Loch Batista, Elaine M Frade Costa, Andresa de Santi Rodrigues, Nathalia Lisboa Gomes, José Antonio Faria, Mirian Y Nishi, Ivo Jorge Prado Arnhold, Sorahia Domenice, Berenice Bilharinho de Mendonca
Androgenic insensitivity syndrome is the most common cause of disorders of sexual differentiation in 46,XY individuals. It results from alterations in the androgen receptor gene, leading to a frame of hormonal resistance, which may present clinically under 3 phenotypes: complete (CAIS), partial (PAIS) or mild (MAIS). The androgen receptor gene has 8 exons and 3 domains, and allelic variants in this gene occur in all domains and exons, regardless of phenotype, providing a poor genotype - phenotype correlation in this syndrome...
March 2018: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29767781/adolescent-condom-use-and-connectivity-in-the-social-planful-brain
#14
Justin D Caouette, Karen A Hudson, Angela D Bryan, Sarah W Feldstein Ewing
Objective: To reduce rates of sexually transmitted infections (STIs) and unwanted pregnancy among adolescents, it is critical to investigate brain connectivity that may underlie adolescents' sexual health decision-making in the context of intercourse. This study explored relationships between adolescent condom use frequency and the brain's resting-state functional connectivity, to identify differential patterns of social-affective processing among sexually active youth. Methods: In this study, N = 143 sexually active adolescents (68...
May 14, 2018: Journal of Pediatric Psychology
https://www.readbyqxmd.com/read/29766841/case-control-study-on-risk-factors-for-acute-hepatitis-e-in-germany-2012-to-2014
#15
Mirko Faber, Mona Askar, Klaus Stark
BackgroundNotified cases of hepatitis E have increased 40-fold in the past 10 years in Germany. Food safety is a major concern as hepatitis E virus (HEV) RNA has been detected in ready-to-eat retail-level food products. The objective of this case-control study was to assess risk factors for autochthonous symptomatic hepatitis E and explore reasons for delays in diagnosis. Methods: Demographic, clinical and exposure data from notified hepatitis E cases and individually matched population controls were collected in semi-standardised telephone interviews...
May 2018: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/29764377/transcriptome-display-during-tilapia-sex-determination-and-differentiation-as-revealed-by-rna-seq-analysis
#16
Wenjing Tao, Jinlin Chen, Dejie Tan, Jing Yang, Lina Sun, Jing Wei, Matthew A Conte, Thomas D Kocher, Deshou Wang
BACKGROUND: The factors determining sex in teleosts are diverse. Great efforts have been made to characterize the underlying genetic network in various species. However, only seven master sex-determining genes have been identified in teleosts. While the function of a few genes involved in sex determination and differentiation has been studied, we are far from fully understanding how genes interact to coordinate in this process. RESULTS: To enable systematic insights into fish sexual differentiation, we generated a dynamic co-expression network from tilapia gonadal transcriptomes at 5, 20, 30, 40, 90, and 180 dah (days after hatching), plus 45 and 90 dat (days after treatment) and linked gene expression profiles to both development and sexual differentiation...
May 15, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29764366/phylogenetic-signal-from-rearrangements-in-18-anopheles-species-by-joint-scaffolding-extant-and-ancestral-genomes
#17
Yoann Anselmetti, Wandrille Duchemin, Eric Tannier, Cedric Chauve, Sèverine Bérard
BACKGROUND: Genomes rearrangements carry valuable information for phylogenetic inference or the elucidation of molecular mechanisms of adaptation. However, the detection of genome rearrangements is often hampered by current deficiencies in data and methods: Genomes obtained from short sequence reads have generally very fragmented assemblies, and comparing multiple gene orders generally leads to computationally intractable algorithmic questions. RESULTS: We present a computational method, ADSEQ, which, by combining ancestral gene order reconstruction, comparative scaffolding and de novo scaffolding methods, overcomes these two caveats...
May 9, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29764026/-advances-in-postoperative-thyroid-stimulating-hormone-suppression-therapy-in-females-with-thyroid-cancer
#18
F Song, H L Yi
Differentiated thyroid cancer is the most common malignant carcinoma in female population.Postoperative long-term thyroid-stimulating hormone(TSH) suppression therapy can reduce the risk of recurrence for differentiated thyroid cancer and control the progress of the disease, but it also induces simultaneously subclinical hypothyroidism and imposes negative effect on female. In addition to cardiovascular disease, TSH suppression therapy can lead to the alteration of sex hormone metabolism, menstrual disorder, poor influence on pregnancy and osteoporosis...
May 7, 2018: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29763591/scp-2-scp-x-ablation-in-fabp1-null-mice-differentially-impacts-hepatic-endocannabinoid-level-depending-on-dietary-fat
#19
Gregory G Martin, Drew R Seeger, Avery L McIntosh, Sarah Chung, Sherrelle Milligan, Danilo Landrock, Lawrence J Dangott, Mikhail Y Golovko, Eric J Murphy, Ann B Kier, Friedhelm Schroeder
Dysregulation of the hepatic endocannabinoid (EC) system and high fat diet (HFD) are associated with non-alcoholic fatty liver disease. Liver cytosol contains high levels of two novel endocannabinoid binding proteins-liver fatty acid binding protein (FABP1) and sterol carrier protein-2 (SCP-2). While Fabp1 gene ablation significantly increases hepatic levels of arachidonic acid (ARA)-containing EC and sex-dependent response to pair-fed high fat diet (HFD), the presence of SCP-2 complicates interpretation. These issues were addressed by ablating Scp-2/Scp-x in Fabp1 null mice (TKO)...
May 12, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29763435/personality-differentially-affects-individual-mate-choice-decisions-in-female-and-male-western-mosquitofish-gambusia-affinis
#20
Bo-Jian Chen, Kai Liu, Lin-Jun Zhou, Guilherme Gomes-Silva, Carolin Sommer-Trembo, Martin Plath
Consistent individual differences in behavioral tendencies (animal personality) can affect individual mate choice decisions. We asked whether personality traits affect male and female mate choice decisions similarly and whether potential personality effects are consistent across different mate choice situations. Using western mosquitofish (Gambusia affinis) as our study organism, we characterized focal individuals (males and females) twice for boldness, activity, and sociability/shoaling and found high and significant behavioral repeatability...
2018: PloS One
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