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https://www.readbyqxmd.com/read/27922937/repurposing-ospemifene-for-potentiating-an-antigen-specific-immune-response
#1
Chiao-Jung Kao, Gregory T Wurz, Yi-Chen Lin, Daniel P Vang, Brian Phong, Michael W DeGregorio
OBJECTIVE: Ospemifene, an estrogen receptor agonist/antagonist approved for the treatment of dyspareunia and vaginal dryness in postmenopausal women, has potential new indications as an immune modulator. The overall objective of the present series of preclinical studies was to evaluate the immunomodulatory activity of ospemifene in combination with a peptide cancer vaccine. METHODS: Immune regulating effects, mechanism of action and structure activity relationships of ospemifene and related compounds were evaluated by examining expression of T-cell activating cytokines in vitro, and antigen-specific immune response and cytotoxic T-lymphocyte activity in vivo...
December 5, 2016: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/27922936/the-rejoice-trial-a-phase-3-randomized-controlled-trial-evaluating-the-safety-and-efficacy-of-a-novel-vaginal-estradiol-soft-gel-capsule-for-symptomatic-vulvar-and-vaginal-atrophy
#2
Ginger D Constantine, James A Simon, James H Pickar, David F Archer, Harvey Kushner, Brian Bernick, Gina Gasper, Shelli Graham, Sebastian Mirkin
OBJECTIVE: To evaluate the safety and efficacy of TX-004HR vaginal estradiol soft-gel capsules for moderate-to-severe dyspareunia associated with postmenopausal vulvar and vaginal atrophy. METHODS: In this randomized, double-blind, placebo-controlled, phase 3 study, postmenopausal women with a self-identified most bothersome symptom of dyspareunia received 4, 10, or 25 μg TX-004HR or placebo for 12 weeks. Four co-primary efficacy endpoints were change from baseline to week 12 in percentages of superficial and parabasal cells, vaginal pH, and severity of dyspareunia...
December 5, 2016: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/27922125/an-er%C3%AE-agonist-induces-browning-of-subcutaneous-abdominal-fat-pad-in-obese-female-mice
#3
Yi-Fei Miao, Wen Su, Yu-Bing Dai, Wan-Fu Wu, Bo Huang, Rodrigo P A Barros, Hao Nguyen, Laure Maneix, You-Fei Guan, Margaret Warner, Jan-Åke Gustafsson
Estrogen, via estrogen receptor alpha (ERα), exerts several beneficial effects on metabolism and energy homeostasis by controlling size, enzymatic activity and hormonal content of adipose tissue. The actions of estrogen on sympathetic ganglia, which are key players in the browning process, are less well known. In the present study we show that ERβ influences browning of subcutaneous adipose tissue (SAT) via its actions both on sympathetic ganglia and on the SAT itself. A 3-day-treatment with a selective ERβ agonist, LY3201, induced browning of SAT in 1-year-old obese WT and ERα(-/-) female mice...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922078/malat1-and-hotair-long-non-coding-rnas-play-opposite-role-in-estrogen-mediated-transcriptional-regulation-in-prostate-cancer-cells
#4
Aurora Aiello, Lorenza Bacci, Agnese Re, Cristian Ripoli, Francesco Pierconti, Francesco Pinto, Riccardo Masetti, Claudio Grassi, Carlo Gaetano, Pier Francesco Bassi, Alfredo Pontecorvi, Simona Nanni, Antonella Farsetti
In the complex network of nuclear hormone receptors, the long non-coding RNAs (lncRNAs) are emerging as critical determinants of hormone action. Here we investigated the involvement of selected cancer-associated lncRNAs in Estrogen Receptor (ER) signaling. Prior studies by Chromatin Immunoprecipitation (ChIP) Sequencing showed that in prostate cancer cells ERs form a complex with the endothelial nitric oxide synthase (eNOS) and that in turn these complexes associate with chromatin in an estrogen-dependent fashion...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27921315/imputing-estrogen-receptor-er-status-in-a-population-based-cancer-registry-a-sensitivity-analysis
#5
Rebecca Andridge, Anne-Michelle Noone, Nadia Howlader
Breast cancers are clinically heterogeneous based on tumor markers. The National Cancer Institute's Surveillance, Epidemiology, and End Results (SEER) Program provides baseline data on these tumor markers for reporting cancer burden and trends over time in the US general population. These tumor markers, however, are often prone to missing observations. In particular, estrogen receptor (ER) status, a key biomarker in the study of breast cancer, has been collected since 1992 but historically was not well-reported, with missingness rates as high as 25% in early years...
December 5, 2016: Statistics in Medicine
https://www.readbyqxmd.com/read/27921086/ovarian-and-uterine-alterations-following-forced-swimming-an-immunohistochemical-study
#6
Seyedeh Nazanin Seyed Saadat, Fahimeh Mohammadghasemi, Hannan Ebrahimi, Hanieh Rafati Sajedi, Gelayol Chatrnour
BACKGROUND: Physical exercise is known to be a stressor stimulus that leads to reproductive disruption. OBJECTIVE: The aim of this study was to evaluate the effect of forced swimming on the uterus and ovaries in mice. MATERIALS AND METHODS: Adult mice (N=24) were divided into the following three groups: A, control; B, swimming in water (10(o)C); and C, swimming in water (23(o)C). Swimmers swam for 5 min daily for 5 consecutive days/ wk during 2 wks...
October 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/27920855/aggressive-angiomyxoma-case-report-and-review-of-the-literature
#7
John C Benson, Scott Gilles, Tina Sanghvi, James Boyum, Eric Niendorf
A 47-year-old female presented to clinic with a 5-year history of a left buttock mass. The patient's hemoglobin was low (9.7 g/dL); laboratory analysis was otherwise unremarkable. Ultrasound of the left gluteal region demonstrated a heterogeneous vascular solid lesion. Magnetic resonance and computed tomography imaging showed an enhancing mass extending from the left ischioanal fossa through the levator ani muscle into the pelvis. Biopsy revealed bland-appearing spindle-shaped cells positive for estrogen and progesterone receptors, consistent with an aggressive angiomyxoma...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27919946/in-vivo-selection-of-intermediately-and-highly-malignant-variants-of-triple-negative-breast-cancer-in-orthotopic-nude-mouse-models
#8
Shuya Yano, Kiyoto Takehara, Hiroyuki Kishimoto, Hiroshi Tazawa, Yasuo Urata, Shunsuke Kagawa, Michael Bouvet, Toshiyoshi Fujiwara, Robert M Hoffman
AIM: Triple-negative breast cancer (TNBC), defined by the absence of receptors for estrogen, progesterone and human epithelial receptor 2 (HER2), is a recalcitrant disease in need of effective therapy. We previously isolated very-highly metastatic variants of the TNBC cell line MDA-MB-231 using serial orthotopic implantation of MDA-MB-231 human breast cancer cells in nude mice. MATERIALS AND METHODS: MDA-MB-231 cells expressing red fluorescent protein (MDA-MB-231-RFP) (1×10(7) cells/site) were initially injected subcutaneously in the flank of nude mice...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919641/effect-of-hyperthyroidism-on-circulating-prolactin-and-hypothalamic-expression-of-tyrosine-hydroxylase-prolactin-signaling-cascade-members-and-estrogen-and-progesterone-receptors-during-late-pregnancy-and-lactation-in-the-rat
#9
Gisela E Pennacchio, Flavia J Neira, Marta Soaje, Graciela A Jahn, Susana R Valdez
Hyperthyroidism (HyperT) compromises pregnancy and lactation, hindering suckling-induced PRL release. We studied the effect of HyperT on hypothalamic mRNA (RT-qPCR) and protein (Western blot) expression of tyrosine hydroxylase (TH), PRL receptor (PRLR) and signaling pathway members, estrogen-α (ERα) and progesterone (PR) receptors on late pregnancy (days G19, 20 and 21) and early lactation (L2) in rats. HyperT advanced pre-partum PRL release, reduced circulating PRL on L2 and increased TH mRNA (G21 and L2), p-TH, PRLR mRNA, STAT5 protein (G19 and L2), PRLR protein (G21) and CIS protein (G19)...
December 2, 2016: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/27919612/an-in-tether-sulfoxide-chiral-center-influences-the-biophysical-properties-of-the-n-capped-peptides
#10
Jingxu Li, Yuan Tian, Dongyuan Wang, Yujie Wu, Xiyang Ye, Zigang Li
Thanks to their large binding interfaces, peptides are attractive ligands targeting protein-protein interactions compared with small molecules. Various strategies to improve peptides' pharmaceutical properties have been developed to constrain peptides into their functional three-dimensional structures. In our previous work, we reported that an in-tether chiral center could modulate peptides' biophysical properties. Herein, we applied this concept to construct a chiral sulfoxide center into the N-terminal end-cap system...
November 25, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/27919438/does-an-increased-body-mass-index-affect-endometrial-gene-expression-patterns-in-infertile-patients-a%C3%A2-functional-genomics-analysis
#11
Ioanna A Comstock, Patricia Diaz-Gimeno, Sergio Cabanillas, Jose Bellver, Patricia Sebastian-Leon, Meera Shah, Amy Schutt, Cecilia T Valdes, Maria Ruiz-Alonso, Diana Valbuena, Carlos Simon, Ruth B Lathi
OBJECTIVE: To analyze the transcriptomic profile of endometrial gene alterations during the window of implantation in infertile obese patients. DESIGN: Multicenter, prospective, case-control study. SETTING: Three academic medical centers for reproductive medicine. PATIENT(S): Infertile patients, stratified into body mass index (BMI) categories according to the World Health Organization guidelines, were included in the study...
December 2, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27919437/fertile-lifespan-characteristics-and-all-cause-and-cause-specific-mortality-among-postmenopausal-women-the-rotterdam-study
#12
Loes Jaspers, Maryam Kavousi, Nicole S Erler, Albert Hofman, Joop S E Laven, Oscar H Franco
OBJECTIVE: To characterize the relation between established and previously unexplored characteristics of the fertile life with all-cause and cause-specific mortality. DESIGN: Prospective cohort study. SETTING: Not applicable. PATIENT(S): A total of 4,076 postmenopausal women. INTERVENTION(S): Women's fertile lifespan (age at menarche to menopause), number of children, maternal age at first and last child, maternal lifespan (interval between maternal age at first and last child), postmaternal fertile lifespan (interval between age at last child and menopause), lifetime cumulative number of menstrual cycles, and unopposed cumulative endogenous estrogen (E) exposure...
December 2, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27918915/beta-catenin-and-estrogen-signaling-collaborate-to-drive-cyclin-d1-expression-in-developing-mouse-prostate
#13
William A Mulligan, Kyle A Wegner, Kimberly P Keil, Vatsal Mehta, M Mark Taketo, Chad M Vezina
Androgen, beta-catenin (CTNNB1), and estrogen pathways stimulate proliferative growth of developing mouse prostate but how these pathways interact is not fully understood. We previously found that androgens induce CTNNB1 signaling in mouse urogenital sinus (UGS) epithelium from which prostatic ductal epithelium derives. Others have shown that low estradiol concentrations induce UGS epithelial proliferative growth. Here, we found that CTNNB1 signaling overlaps cyclin D1 (CCND1) expression in prostatic buds and we used a genetic approach to test whether CTNNB1 signaling induces CCND1 expression...
December 2, 2016: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/27918846/soy-food-intake-and-biomarkers-of-breast-cancer-risk-possible-difference-in-asian-women
#14
Gertraud Maskarinec, Dan Ju, Yukiko Morimoto, Adrian A Franke, Frank Z Stanczyk
Soy foods may protect against breast cancer in Asian but not in Western populations. We examined if the levels of various markers of breast cancer risk and inflammation, as well as the effects of soy food consumption on these markers, differ between Asian and non-Asian premenopausal women in two soy intervention trials. One study randomized 220 women to a 2-yr intervention and the other one randomized 96 women in a crossover design to examine the effects of consumption of 2 daily soy servings on nipple aspirate fluid (NAF) volume; estrogens in serum, NAF, and urine; insulin-like growth factor-1 (IGF-1), IGF-binding protein 3, and inflammatory markers in serum; and mammographic densities...
December 5, 2016: Nutrition and Cancer
https://www.readbyqxmd.com/read/27918430/androgen-receptor-a-complex-therapeutic-target-for-breast-cancer
#15
REVIEW
Ramesh Narayanan, James T Dalton
Molecular and histopathological profiling have classified breast cancer into multiple sub-types empowering precision treatment. Although estrogen receptor (ER) and human epidermal growth factor receptor (HER2) are the mainstay therapeutic targets in breast cancer, the androgen receptor (AR) is evolving as a molecular target for cancers that have developed resistance to conventional treatments. The high expression of AR in breast cancer and recent discovery and development of new nonsteroidal drugs targeting the AR provide a strong rationale for exploring it again as a therapeutic target in this disease...
December 2, 2016: Cancers
https://www.readbyqxmd.com/read/27917278/the-preventive-and-therapeutic-roles-of-phytoestrogen-%C3%AE-zearalanol-on-osteoporetic-rats-due-to-ovariectomization
#16
Shaochun Li, Weiwei Zhang, Fei Duan, Weihua Liu, Xiaofang Sun, Xuefeng Pan
OBJECTIVES: The aim of this study was to observe the influence of phytoestrogen α-Zearalanol on ovariectomy-induced postmenopausal osteoporosis in rats. MATERIALS AND METHODS: 40 SD female rats were randomly divided into four groups: Sham group, OVX group (ovariectomized and fed estrogen), α-Zearalanol group (ovariectomized and fed α-Zearalanol) and untreated group (ovariectomized). Three weeks later after surgery, α-Zearalanol and estradiol valerate were administered by oral gavage for 12 weeks to the α-Zearalanol group and the OVX group, respectively...
November 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/27917104/thirty-eight-year-follow-up-of-two-sibling-lipoid-congenital-adrenal-hyperplasia-patients-due-to-homozygous-steroidogenic-acute-regulatory-stard1-protein-mutation-molecular-structure-and-modeling-of-the-stard1-l275p-mutation
#17
Khalil Khoury, Elie Barbar, Youssef Ainmelk, Annie Ouellet, Pierre Lavigne, Jean-Guy LeHoux
Objective: Review the impact of StAR (STARD1) mutations on steroidogenesis and fertility in LCAH patients. Examine the endocrine mechanisms underlying the pathology of the disorder and the appropriate therapy for promoting fertility and pregnancies. Design: Published data in the literature and a detailed 38-year follow-up of two sibling LCAH patients. Molecular structure and modeling of the STARD1 L275P mutation. Setting: University hospital. Patients: Patient A (46,XY female phenotype) and patient B (46,XX female) with LCAH bearing the L275P mutation in STARD1...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27916781/gradually-increasing-ethinyl-estradiol-for-turner-syndrome-may-produce-good-final-height-but-not-ideal-bmd
#18
Yukihiro Hasegawa, Daisuke Ariyasu, Masako Izawa, Junko Igaki-Miyamoto, Mami Fukuma, Megumi Hatano, Hiroko Yagi, Masahiro Goto
Estrogen replacement therapy in Turner syndrome should theoretically mimic the physiology of healthy girls. The objective of this study was to describe final height and bone mineral density (BMD) in a group of 17 Turner syndrome patients (group E) who started their ethinyl estradiol therapy with an ultra-low dosage (1-5 ng/kg/day) from 9.8˜13.7 years. The subjects in group E had been treated with GH 0.35 mg/kg/week since the average age of 7.4 years. The 30 subjects in group L, one of the historical groups, were given comparable doses of GH, and conjugated estrogen 0...
December 2, 2016: Endocrine Journal
https://www.readbyqxmd.com/read/27916205/efficacy-and-safety-of-transdermal-testosterone-in-postmenopausal-women-with-hypoactive-sexual-desire-disorder-a-systematic-review-and-meta-analysis
#19
Chiara Achilli, Jyotsna Pundir, Parimalam Ramanathan, Luca Sabatini, Haitham Hamoda, Nick Panay
OBJECTIVE: To systematically review and summarize the existing evidence related to the efficacy and safety of transdermal T in postmenopausal women for the treatment of hypoactive sexual desire disorder (HSDD). DESIGN: Systematic reviews and meta-analysis. SETTING: Not applicable. PATIENT(S): Seven randomized controlled trials enrolled 3,035 participants; 1,350 women were randomized to treatment with T patch, and 1,379 women were randomized to placebo...
December 1, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27916089/-estrogen-exerts-anti-inflammatory-effects-by-inhibiting-nf-%C3%AE%C2%BAb-pathway-through-binding-with-estrogen-receptor-%C3%AE-on-synovicytes-of-osteoarthritis
#20
Enwei Zhang, Hongtao Zhang, Fengzhou Liu, Chuan Dong, Yun Yao, Zhe Yun, Weiming Jian, Bao'an Ma
Objective To investigate the mechanism of estrogen's anti-inflammatory effects on synovial cells during the pathogenic process of osteoarthritis. Methods We isolated synovicytes from synovium tissues and identified the cells with flow cytometry. Then we detected the expression level of estrogen receptor β (ERβ) in synovicytes with immunofluorescence staining. The synovicytes were divided into control group, group pretreated with 10 ng/mL IL-1β, group pretreated with 10 ng/mL IL-1β and 10(-7) mol/L estrogen, group pretreated with 10 ng/mL IL-1β, 10(-7) mol/L estrogen and specific antagonist of ERβ, 10(-5) mol/L tetrahydrocannabinol (THC)...
December 2016: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
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