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https://www.readbyqxmd.com/read/29772405/a-transcriptomic-comparison-of-theca-and-granulosa-cells-in-chicken-and-cattle-follicles-reveals-esr2-as-a-potential-regulator-of-cyp19a1-expression-in-the-theca-cells-of-chicken-follicles
#1
Ruoxi Jing, Lantao Gu, Jinqiu Li, Yanzhang Gong
Previous studies have shown that theca and granulosa cell layers in follicles do not play the same roles in mammals and birds, especially regarding the synthesis of estrogen. The functions of these two cell types have been well characterized in cattle, but they remain unclear in chickens. To clarify this issue, a comparison of small yellow follicles (SYFs) in chickens and cattle at different follicular development stages was done by weighted gene co-expression network analysis (WGCNA). The modules obtained from WGCNA were used for further identification of the key genes associated with CYP19A1 expression...
April 28, 2018: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/29770127/temporal-expression-patterns-of-genes-related-to-sex-steroid-action-in-sexually-dimorphic-nuclei-during-puberty
#2
Moeko Kanaya, Masahiro Morishita, Shinji Tsukahara
Sex steroids play a major role in sexually dimorphic brain development during not only the perinatal period but also the pubertal period. We previously showed that, in male mice, the estrogen receptor-α ( Esr1 ) and aromatase ( Cyp19a1 ) genes are essential to the sexually dimorphic formation of the anteroventral periventricular nucleus (AVPV) and the principal nucleus of the bed nucleus of the stria terminalis (BNSTp), but the estrogen receptor-β ( Esr2 ) gene is not necessary. We also showed that the androgen receptor ( Ar ) gene is essential to the sexually dimorphic formation of the BNSTp...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29753248/embryonic-exposure-to-benzo-a-pyrene-inhibits-reproductive-capability-in-adult-female-zebrafish-and-correlation-with-dna-methylation
#3
Dongxu Gao, Jing Lin, Kunlin Ou, Ying Chen, Hongbin Li, Qinhua Dai, Zhenni Yu, Zhenghong Zuo, Chonggang Wang
This study was conducted to investigate the effects of embryonic short-term exposure to benzo(a)pyrene (BaP), a model polycyclic aromatic hydrocarbon, on ovarian development and reproductive capability in adult female zebrafish. In 1-year-old fish after embryonic exposure to BaP for 96 h, the gonadosomatic indices and the percentage of mature oocytes were significantly decreased in the 0.5, 5 and 50 nmol/L treatments. The spawned egg number, the fertilization rate and the hatching success were significantly reduced, while the malformation rate of the F1 unexposed larvae were increased...
May 9, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29747396/beta-estradiol-regulates-voltage-gated-calcium-channels-and-estrogen-receptors-in-telocytes-from-human-myometrium
#4
Adela Banciu, Daniel Dumitru Banciu, Cosmin Catalin Mustaciosu, Mihai Radu, Dragos Cretoiu, Junjie Xiao, Sanda Maria Cretoiu, Nicolae Suciu, Beatrice Mihaela Radu
Voltage-gated calcium channels and estrogen receptors are essential players in uterine physiology, and their association with different calcium signaling pathways contributes to healthy and pathological conditions of the uterine myometrium. Among the properties of the various cell subtypes present in human uterine myometrium, there is increasing evidence that calcium oscillations in telocytes (TCs) contribute to contractile activity and pregnancy. Our study aimed to evaluate the effects of beta-estradiol on voltage-gated calcium channels and estrogen receptors in TCs from human uterine myometrium and to understand their role in pregnancy...
May 9, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29745905/integrative-computational-approach-to-evaluate-risk-genes-for-postmenopausal-osteoporosis
#5
Yingjun Sheng, Jilei Tang, Kewei Ren, Lydia C Manor, Hongbao Cao
In recent years, numerous studies reported over a hundred of genes playing roles in the etiology of postmenopausal osteoporosis (PO). However, many of these candidate genes were lack of replication and results were not always consistent. Here, the authors proposed a computational workflow to curate and evaluate PO related genes. They integrate large-scale literature knowledge data and gene expression data (PO case/control: 10/10) for the marker evaluation. Pathway enrichment, sub-network enrichment, and gene-gene interaction analysis were conducted to study the pathogenic profile of the candidate genes, with four metrics proposed and validated for each gene...
June 2018: IET Systems Biology
https://www.readbyqxmd.com/read/29731970/elevated-seminal-plasma-estradiol-and-epigenetic-inactivation-of-esr1-and-esr2-is-associated-with-cp-cpps
#6
Nils Nesheim, Stuart Ellem, Temuujin Dansranjavin, Christina Hagenkötter, Elena Berg, Rupert Schambeck, Hans-Christian Schuppe, Adrian Pilatz, Gail Risbridger, Wolfgang Weidner, Florian Wagenlehner, Undraga Schagdarsurengin
Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) is associated with urinary tract symptoms and hormonal imbalances amongst others. The heterogeneous clinical presentation, unexplored molecular background and lack of prostate biopsies complicate therapy. Here, using liquid biopsies, we performed a comprehensive translational study on men diagnosed with CP/CPPS type III ( n = 50; median age 39.8, range 23-65) and age-matched controls ( n = 61; median age 36.8, range 20-69), considering biochemical parameters of blood and ejaculates, and epigenetic regulation of the estrogen receptor genes ( ESR1 and ESR2 ) in leukocytes isolated from blood (systemic regulation) and in somatic cells isolated from ejaculates (local regulation)...
April 13, 2018: Oncotarget
https://www.readbyqxmd.com/read/29704544/prenatal-exposure-to-benzophenone-3-bp-3-induces-apoptosis-disrupts-estrogen-receptor-expression-and-alters-the-epigenetic-status-of-mouse-neurons
#7
Agnieszka Wnuk, Joanna Rzemieniec, Ewa Litwa, Władysław Lasoń, Małgorzata Kajta
Current evidence indicates that benzophenone-3 (BP-3) can pass through the placental and blood-brain barriers and thus can likely affect infant neurodevelopment. Despite widespread exposure, data showing the effects of BP-3 on the developing nervous system are scarce. This study revealed for the first time that prenatal exposure to BP-3 led to apoptosis and neurotoxicity, altered the levels of estrogen receptors (ERs) and changed the epigenetic status of mouse neurons. In the present study, multiple subcutaneous injections of pregnant mice with BP-3 at 50 mg/kg, which is an environmentally relevant dose, evoked activation of caspase-3 and lactate dehydrogenase (LDH) release as well as substantial loss of mitochondrial membrane potential in neocortical cells of their embryonic offspring...
April 25, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29692799/genome-wide-association-analyses-highlight-the-potential-for-different-genetic-mechanisms-for-litter-size-among-sheep-breeds
#8
Song-Song Xu, Lei Gao, Xing-Long Xie, Yan-Ling Ren, Zhi-Qiang Shen, Feng Wang, Min Shen, Emma Eyϸórsdóttir, Jón H Hallsson, Tatyana Kiseleva, Juha Kantanen, Meng-Hua Li
Reproduction is an important trait in sheep breeding as well as in other livestock. However, despite its importance the genetic mechanisms of litter size in domestic sheep ( Ovis aries ) are still poorly understood. To explore genetic mechanisms underlying the variation in litter size, we conducted multiple independent genome-wide association studies in five sheep breeds of high prolificacy (Wadi, Hu, Icelandic, Finnsheep, and Romanov) and one low prolificacy (Texel) using the Ovine Infinium HD BeadChip, respectively...
2018: Frontiers in Genetics
https://www.readbyqxmd.com/read/29689378/in-utero-and-lactational-exposure-of-dehp-increases-the-susceptibility-of-prostate-carcinogenesis-in-male-offspring-through-psca-hypomethylation
#9
Bin Xia, Yong Wang, Xiu Wang, Jianhui Wu, Qi Song, Zuyue Sun, Yunhui Zhang
As an ubiquitous environmental endocrine disruptor, di(2-ethylhexyl) phthalate (DEHP) has been shown to interfere with the development of reproductive organs and induce pathological changes in prostate. Our previous finding showed that in utero and lactational (IUL) DEHP exposure could disrupt the balance of testosterone and estrogen and increase the susceptibility of prostate carcinogenesis. The purpose of this study is to investigate whether the early-life specific epigenetic modifications could mediate the effect of DEHP exposure on prostate carcinogenesis in rodents, for epigenetic modifications play important roles in regulating prostate carcinogenesis...
April 21, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29687165/mechanism-underlying-the-effects-of-estrogen-deficiency-on-otoconia
#10
Liping Yang, Yinfang Xu, Yan Zhang, Sarath Vijayakumar, Sherri M Jones, Yunxia Yesha Wang Lundberg
Otoconia-related vertigo and balance deficits, particularly benign paroxysmal positional vertigo (BPPV), are common. Our recent studies in humans show that, while BPPV prevalence greatly increases with age in both genders, peri-menopausal women are especially susceptible. In the present study, we show that bilateral ovariectomized (OVX) mice have significant balance behavioral deficits, and that estrogen deficiency compromises otoconia maintenance and anchoring by reducing the expression of otoconial component and anchoring proteins...
April 23, 2018: Journal of the Association for Research in Otolaryngology: JARO
https://www.readbyqxmd.com/read/29669750/current-challenges-and-opportunities-in-treating-glioblastoma
#11
Andrea Shergalis, Armand Bankhead, Urarika Luesakul, Nongnuj Muangsin, Nouri Neamati
Glioblastoma multiforme (GBM), the most common and aggressive primary brain tumor, has a high mortality rate despite extensive efforts to develop new treatments. GBM exhibits both intra- and intertumor heterogeneity, lending to resistance and eventual tumor recurrence. Large-scale genomic and proteomic analysis of GBM tumors has uncovered potential drug targets. Effective and "druggable" targets must be validated to embark on a robust medicinal chemistry campaign culminating in the discovery of clinical candidates...
July 2018: Pharmacological Reviews
https://www.readbyqxmd.com/read/29665573/placental-development-during-early-pregnancy-in-sheep-progesterone-and-estrogen-receptor-protein-expression
#12
Soumi Bairagi, Anna T Grazul-Bilska, Pawel P Borowicz, Arshi Reyaz, Veselina Valkov, Lawrence P Reynolds
The aim of this study was to evaluate the pattern of protein expression of the steroid receptor isoforms of nuclear progesterone receptors (PGR) A and B, and estrogen receptors (ESR1 and 2) in utero-placental compartments during early pregnancy. Utero-placental tissues were collected from days 14-30 (n = 4 ewes/day), and uterine tissues were collected from non-pregnant ewes on day 10 after estrus (n = 4). Cross sections of formalin-fixed and paraffin embedded tissues were immunofluorescently stained to detect PGRAB, PGRB, ESR1 and ESR2, followed by image generation of entire cross-sections of uterine and utero-placental tissues, confocal imaging of individual uterine and utero-placental compartments, and image and statistical analyses...
April 7, 2018: Theriogenology
https://www.readbyqxmd.com/read/29664547/hsd3b2-hsd17b1-hsd17b2-esr1-esr2-and-ar-expression-in-infertile-women-with-endometriosis
#13
Maciej Osiński, Przemysław Wirstlein, Ewa Wender-Ożegowska, Mateusz Mikołajczyk, Paweł Piotr Jagodziński, Małgorzata Szczepańska
OBJECTIVES: The development of endometriosis is associated with changes in the expression of genes encoding the 3β-hydroxysteroid dehydrogenase type II (HSD3B2) and 17β-hydroxysteroid dehydrogenase type II (HSD17B2), estrogen receptors 1 (ESR1) and 2 (ESR2) and the androgen receptor (AR). However, little is known about the expression of HSD3B2, HSD17B1, HSD17B2, ESR1 ESR2 and AR during the endometrial phases in eutopic endometrium from infertile women with endometriosis. MATERIAL AND METHODS: Using RT-qPCR analysis, we assessed the expression of the studied genes in the follicular and luteal phases in eutopic endometrium from fertile women (n = 17) and infertile women (n = 35) with endometriosis...
2018: Ginekologia Polska
https://www.readbyqxmd.com/read/29629944/human-endometriosis-tissue-microarray-reveals-site-specific-expression-of-estrogen-receptors-progesterone-receptor-and-ki67
#14
Mariano Colón-Caraballo, Miosotis García, Adalberto Mendoza, Idhaliz Flores
Most available therapies for endometriosis are hormone-based and generally broadly used without taking into consideration the ovarian hormone receptor expression status. This contrasts strikingly with the standard of care for other hormone-based conditions such as breast cancer. We therefore aimed to characterize the expression of ovarian steroid hormone receptors for estrogen alpha (ESR1), estrogen beta (ESR2), and progesterone (PGR) in different types of endometriotic lesions and eutopic endometrium from women with endometriosis and controls using a tissue microarray (TMA)...
April 7, 2018: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/29580824/esr2-regulates-granulosa-cell-genes-essential-for-follicle-maturation-and-ovulation
#15
Vincentaben Khristi, V Praveen Chakravarthi, Prabhakar Singh, Subhra Ghosh, Archit Pramanik, Anamika Ratri, Shaon Borosha, Katherine F Roby, Michael W Wolfe, M A Karim Rumi
Estrogen receptor 2 (ESR2) plays a critical role in folliculogenesis and ovulation. Disruption of ESR2-function in the rats results in female infertility due to failure of ovulation. Ovulation failure occurred in two distinct rat models, a null mutant and a DNA binding domain (DBD) mutant of ESR2, indicating that transcriptional regulation by ESR2 is indispensable for ovulation. To define the regulatory role of ESR2 in preovulatory follicular maturation and ovulation, we investigated ovarian responsiveness to exogenous gonadotropins in prepubertal females...
March 23, 2018: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/29554271/core-binding-factor-%C3%AE-expression-in-ovarian-granulosa-cells-is-essential-for-female-fertility
#16
Somang Lee-Thacker, Yohan Choi, Ichiro Taniuchi, Takeshi Takarada, Yukio Yoneda, CheMyong Ko, Misung Jo
Core binding factor β (CBFβ) is a non-DNA-binding partner of all RUNX proteins and critical for transcription activity of CBF transcription factors (RUNXs/CBFβ). In the ovary, the expression of Runx1 and Runx2 is highly induced by the luteinizing hormone (LH) surge in ovulatory follicles, whereas Cbfb is constitutively expressed. To investigate the physiological significance of CBFs in the ovary, the current study generated two different conditional mutant mouse models in which granulosa cell expression of Cbfb and Runx2 was reduced by Cre recombinase driven by an Esr2 promoter...
May 1, 2018: Endocrinology
https://www.readbyqxmd.com/read/29535531/genetic-association-between-her2-and-esr2-polymorphisms-and-ovarian-cancer-a-meta-analysis
#17
Liang Tang, Jianming Li, Meihua Bao, Ju Xiang, Yiwei Chen, Yan Wang
Objective: The estrogen receptor (ER) and the human epidermal growth factor receptor 2 (HER2) each play an important role in female cancers. This study aimed to investigate the genetic association between three common single nucleotide polymorphisms (SNPs) and the risk of ovarian cancer. The SNPs investigated in this study were ESR2 rs1271572 and rs3020450 and HER2 rs1801200. Methods: In this study, databases were electronically searched in a meta-analysis. Databases used were PubMed, Embase, China National Knowledge Infrastructure (CNKI), Wanfang and Cochrane library...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29533760/abnormal-extracellular-matrix-remodelling-in-the-cervix-of-pregnant-relaxin-deficient-mice-is-not-associated-with-reduced-matrix-metalloproteinase-expression-or-activity
#18
Sarah A Marshall, Jonathan T McGuane, Yu May Soh, Helen M Gehring, Emma Simpson, Laura J Parry
Relaxin regulates cervical extracellular matrix (ECM) remodelling during pregnancy by modifying collagen and other ECM molecules by unknown mechanisms. We hypothesised that abnormal collagen remodelling in the cervix of pregnant relaxin-deficient (Rln1-/-) mice is due to excessive collagen (Col1a1 and Col3a1) and decreased matrix metalloproteinases (Mmp2, Mmp9, Mmp13 and Mmp7) and oestrogen receptors (Esr1 and Esr2). Quantitative polymerase chain reaction, gelatinase zymography, MMP activity assays and histological staining evaluated changes in ECM in pregnant wildtype (Rln1+/+) and Rln1-/- mice...
March 14, 2018: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/29526366/association-between-single-nucleotide-polymorphisms-in-estrogen-receptor-1-2-genes-and-symptomatic-severity-of-autism-spectrum-disorder
#19
Hirokazu Doi, Takashi X Fujisawa, Ryoichiro Iwanaga, Junko Matsuzaki, Chisato Kawasaki, Mamoru Tochigi, Tsukasa Sasaki, Nobumasa Kato, Kazuyuki Shinohara
BACKGROUND: Previous studies on etiology of autism spectrum disorders (ASD) have shown strong contribution of hereditary factors. On the basis the heterogeneity in ASD symptoms, it is highly possible that each independent domain of ASD symptom is linked to a different set of genetic risk factors. However, few empirical investigations have been carried out to examine this hypothesis. AIMS: The aim of the present study was to investigate the association between single-nucleotide polymorphisms (SNPs) in estrogen receptor genes, which several previous studies have identified as potential risk factors of ASD, and the severity of each independent aspect of ASD symptom within an Asian clinical sample...
March 8, 2018: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/29509190/quantitative-mapping-of-rna-mediated-nuclear-estrogen-receptor-%C3%AE-interactome-in-human-breast-cancer-cells
#20
Giorgio Giurato, Giovanni Nassa, Annamaria Salvati, Elena Alexandrova, Francesca Rizzo, Tuula A Nyman, Alessandro Weisz, Roberta Tarallo
The nuclear receptor estrogen receptor 2 (ESR2, ERβ) modulates cancer cell proliferation and tumor growth, exerting an oncosuppressive role in breast cancer (BC). Interaction proteomics by tandem affinity purification coupled to mass spectrometry was previously applied in BC cells to identify proteins acting in concert with ERβ to control key cellular functions, including gene transcription, RNA splicing and post-transcriptional mRNA regulation. These studies revealed an involvement of RNA in ERβ interactome assembly and functions...
March 6, 2018: Scientific Data
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