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estrogen related receptors

Rong Liang, Yan Lin, Chun-Ling Yuan, Zhi-Hui Liu, Yong-Qiang Li, Xiao-Ling Luo, Jia-Zhou Ye, Hai-Hong Ye
Colorectal cancer (CRC) is one of the most common types of malignancy with high morbidity and mortality rates worldwide. This biologically heterogeneous disease results in diverse therapeutic responses, thus, novel prognostic biomarkers are required to improve CRC treatment. Estrogen-related receptor α (ERRα) is a nuclear orphan receptor, which is associated with estrogen receptor α. The present study aimed to investigate the expression of ERRα in patients with CRC, and explore the association between ERRα expression and clinicopathological factors, local recurrence and prognosis...
April 2018: Oncology Letters
Raffaele Nuzzi, Simona Scalabrin, Alice Becco, Giancarlo Panzica
Aim: Gonadal hormones are essential for reproductive function, but can act on neural and other organ systems, and are probably the cause of the large majority of known sex differences in function and disease. The aim of this review is to provide evidence for this hypothesis in relation to eye disorders and to retinopathies in particular. Methods: Epidemiological studies and research articles were reviewed. Results: Analysis of the biological basis for a relationship between eye diseases and hormones showed that estrogen, androgen, and progesterone receptors are present throughout the eye and that these steroids are locally produced in ocular tissues...
2018: Frontiers in Endocrinology
R El Tannouri, E Albuisson, P Jonveaux, E Luporsi
Tumor characteristics are used today to evaluate the possibility of mutation and to target mutation screening in families with high risk of breast and/or ovarian cancer. We studied the breast tumor profile associated to the c.3481_3491del11 French founder effect mutation on the BRCA1 gene to an attempt to identify any particularity or difference when comparing it to that related to other BRCA1 mutations. Within the population who were referred to our oncogenetic clinic at the Lorraine Oncology Institute in France and who underwent genetic testing between 1994 and 2012, we identified 404 women carrying a BRCA1 mutation...
March 17, 2018: Familial Cancer
Z Guleken, D Ozbeyli, M Acikel-Elmas, S Oktay, B Alev, S Sirvanci, A Velioglu Ogunc, O Kasimay Cakir
The 17β-estradiol plays a role in physiology of pancreas and may protect it from inflammation. To examine the possible anti-inflammatory effects of 17β-estadiol in pancreaticobiliary duct ligated (PBDL) acute pancreatitis (AP) model, and the underlying mechanism that 17β-estradiol acts on, via evaluating the direct and the receptor related effects by using 17β-estradiol, ER-α and -β agonists. In the study both sexes of rats (n = 88) were used. Animals were divided into two groups as PBDL and PBDL + ovariectomized...
December 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
H Zhao, J Wang, D Fang, O Lee, R T Chatterton, V Stearns, S A Khan, S E Bulun
Obesity is associated with increased risk of breast cancer in postmenopausal but not in premenopausal women. Many factors may be responsible for this difference. The aim of this study was to determine the mechanisms by which the genes related to the AMPK pathway, inflammation, and estrogen actions are affected by adiposity in breast tissue with the objective of identifying differences that may explain the different breast cancer risk in premenopausal and postmenopausal women. Random fine needle aspirates (rFNAs) of breast tissue were collected from 57 premenopausal and 55 postmenopausal women and were classified as normal weight, overweight, or obese...
March 15, 2018: Hormones & Cancer
Salvatore Sutti, Frank Tacke
Drug-induced liver injury (DILI) remains a clinical challenge due to the poorly predictable outcomes. Accordingly, considerable efforts have been devoted to unravel the risk factors responsible for DILI worsening toward acute liver failure (ALF), liver transplantation (LT), and/or death. From a pathogenic point of view, exhaustion of drug metabolizing pathways, cell death mechanisms, activation of local immune cells, such as Kupffer cells, and recruitment of inflammatory leukocytes including monocytes and lymphocytes are key drivers of DILI progression...
March 15, 2018: Clinical Science (1979-)
Keigo Tsushida, Katsuyuki Tanabe, Kana Masuda, Satoshi Tanimura, Hiromasa Miyake, Yuka Arata, Hitoshi Sugiyama, Jun Wada
Acute kidney injury (AKI) has been associated with not only higher in-hospital mortality but also the subsequent development of chronic kidney disease (CKD). Recent evidence has suggested the involvement of mitochondrial dysfunction and impaired dynamics in the pathogenesis of AKI. Estrogen-related receptor α (ERRα) is an orphan nuclear receptor that acts as a transcription factor to regulate the transcription of genes required for mitochondrial biogenesis and oxidative phosphorylation. In the present study, we examined the effects of ERRα deficiency on the progression of AKI induced by cisplatin...
March 12, 2018: Biochemical and Biophysical Research Communications
Matthew T Morris, Sandip P Tarpada, Vafa Tabatabaie, Woojin Cho
PURPOSE: In patients undergoing lumbar fusion, osteoporosis has been shown to lead to poorer outcomes and greater incidence of fusion-related complications. Given the undesirable effect of osteoporosis on lumbar fusion surgery, a number of medications have been proposed for use in the peri- and postoperative period to mitigate risks and enhance outcomes. The purpose of this review was to summarize and synthesize the current literature regarding medical management of osteoporosis in the context of lumbar fusion surgery...
March 14, 2018: Archives of Osteoporosis
Peixuan Xia, Shihua Chu, Geng Liu, Guoqing Chen, Tao Yi, Shi Feng, Hongying Zhou
Kinesin Family Member 3A (KIF3A) was recognized as a key factor of ciliogenesis and transport system of primary cilia in normal cells. However, its possible function on cancer cells has yet to be identified. In the present study, microarray tissue chips, including 230 breast cancer samples, were applied to determine the KIF3A expression pattern by immunological histological chemistry. Statistical analysis on the KIF3A expression level and the currently used clinicopathological characteristics of breast cancer patients was carried out...
April 2018: Biomedical Reports
Maryam Ahmadian, Sihao Liu, Shannon M Reilly, Nasun Hah, Weiwei Fan, Eiji Yoshihara, Pooja Jha, C Daniel De Magalhaes Filho, Sandra Jacinto, Andrew V Gomez, Yang Dai, Ruth T Yu, Christopher Liddle, Annette R Atkins, Johan Auwerx, Alan R Saltiel, Michael Downes, Ronald M Evans
Brown adipose tissue (BAT) adaptively transfers energy from glucose and fat into heat by inducing a gene network that uncouples mitochondrial electron transport. However, the innate transcription factors that enable the rapid adaptive response of BAT are unclear. Here, we identify estrogen-related receptor gamma (ERRγ) as a critical factor for maintaining BAT identity. ERRγ is selectively expressed in BAT versus WAT, in which, in the absence of PGC1α, it drives a signature transcriptional network of thermogenic and oxidative genes in the basal (i...
March 13, 2018: Cell Reports
Øystein A Haaland, Rolv T Lie, Julia Romanowska, Miriam Gjerdevik, Håkon K Gjessing, Astanand Jugessur
Background: It is widely accepted that cleft lip with or without cleft palate (CL/P) results from the complex interplay between multiple genetic and environmental factors. However, a robust investigation of these gene-environment (GxE) interactions at a genome-wide level is still lacking for isolated CL/P. Materials and Methods: We used our R-package Haplin to perform a genome-wide search for GxE effects in isolated CL/P. From a previously published GWAS, genotypes and information on maternal periconceptional cigarette smoking, alcohol intake, and vitamin use were available on 1908 isolated CL/P triads of predominantly European or Asian ancestry...
2018: Frontiers in Genetics
Mackenzie Haines, Sarah K McKinley-Barnard, Thomas L Andre, Josh J Gann, Paul S Hwang, Darryn S Willoughby
This study sought to determine if the differences in serum estradiol we have previously observed to occur during the mid-follicular (MF) and mid-luteal (ML) phases of the female menstrual cycle could be attributed to estrogen-induced receptor activation and subsequent effects on myogenic-related genes which may otherwise impact muscle regeneration in response to eccentric exercise. Twenty-two physically-active females (20.9 ± 1.4 years, 63.5 ± 9.0 kg, 1.65 ± 0.08 m) underwent an eccentric exercise bout of the knee extensors during the MF and ML phases of their 28-day menstrual cycle...
March 2018: Journal of Sports Science & Medicine
Vivek Krishna Pulakazhi Venu, Mahmoud Saifeddine, Koichiro Mihara, Mahmoud El-Daly, Darrell Belke, Jonathan L E Dean, Edward R O'Brien, Simon A Hirota, Morley D Hollenberg
BACKGROUND AND PURPOSE: Previously, we demonstrated that exogenous Heat Shock Protein 27 (HSP27/gene, HSPB1) treatment of human endothelial progenitor cells (EPCs) increases the synthesis and secretion of VEGF, improves EPC-migration/re-endothelialization and decreases neo-intima formation, suggesting a role for HSPB1 in regulating EPC function. We hypothesized that HSPB1 could also affect mature endothelial cells (ECs) to alter EC-mediated vasoreactivity in vivo. Our work focused on eNOS/NO-dependent relaxation caused by acetylcholine and the coagulation pathway-activated receptor, proteinase-activated receptor-2 (PAR2)...
March 12, 2018: British Journal of Pharmacology
Jiří Novák, Branislav Vrana, Tatsiana Rusina, Krzysztof Okonski, Roman Grabic, Peta A Neale, Beate I Escher, Miroslava Macová, Selim Ait-Aissa, Nicolas Creusot, Ian Allan, Klára Hilscherová
Many aquatic pollutants can be present at low concentrations, but their mixtures can still affect health or behavior of exposed organisms. In this study, toxicological and chemical analyses were combined for spatial contamination profiling using an innovative passive sampling approach. A novel Dynamic Passive Sampler (DPS) was employed as a mobile sampler from a ship cruising along 2130km of the Danube river during the Joint Danube Survey 3 (JDS3). The sampling was performed in eight subsequent river stretches with two types of complementary passive samplers: silicone rubber sheets (SR) used for non-polar chemicals and SDB-RPS Empore™ disks (ED) for more hydrophilic compounds...
March 9, 2018: Science of the Total Environment
Anna E Coghill, Eric A Engels, Maria J Schymura, Parag Mahale, Meredith S Shiels
Background: Although people living with HIV or AIDS (PLWHA) are at higher risk for many cancers, breast, prostate, and colorectal cancer rates are lower in this patient population. Because these tumors are often screen-detected, these inverse associations could be driven by HIV-related differences in utilization of cancer screening. Methods: We ascertained incident breast, prostate, and colorectal cancer in PLWHA using data from the HIV/AIDS Cancer Match Study (1996-2012)...
February 26, 2018: Journal of the National Cancer Institute
Elena Ongaro, Lorenzo Gerratana, Marika Cinausero, Giacomo Pelizzari, Elena Poletto, Manuela Giangreco, Claudia Andreetta, Stefano Pizzolitto, Carla Di Loreto, Alessandro Marco Minisini, Mauro Mansutti, Stefania Russo, Gianpiero Fasola, Fabio Puglisi
AIM: Discordance between primary tumor and paired metastases biology has been widely detected in metastatic breast cancer. The aim of this study was to evaluate the prognostic impact of Ki67, estrogen receptor (ER), progesterone receptor (PR) and HER2 discordance. METHODS: We retrospectively analyzed a cohort of 544 patients affected by metastatic breast cancer. Variation in ER, PR, Ki67 and HER2 expression between primary site and recurrence was tested through the McNemar test...
March 12, 2018: Future Oncology
Yoko Miyamoto, Hiroaki Kawaguchi, Akihide Tanimoto
The aim of this study is to investigate the changes with age on morphology and sex hormone receptor expression in the mammary glands of male Sprague-Dawley rats, focusing on male-specific cells, "oxyphilic cells", observed after sexual maturity. The mammary glands of male rats at 14, 21, 35, 50, 75 and 100 days old were examined by gross observation, microscopic observation using whole mount specimens, histological and immunohistochemical sections. Grossly, mammary glands showed brown color at 50-100 days old...
March 9, 2018: Experimental Animals
Seungyeop Lee, Si-On Lee, Gyu-Lee Kim, Dong-Kwon Rhee
AIMS: Streptococcus pneumoniae infection in acute bacterial meningitis can lead to widespread brain damage and mortality. Inflammatory responses by immune cells in the brain are thought to determine the degree of brain injury. Yet, the mechanisms underlying host responses to pneumococcal meningitis are largely unknown. To explore host responses as a potential therapeutic target for preventing brain injury after pneumococcal meningitis. METHODS: We evaluated signaling mechanisms that minimize neuronal damage caused by pneumococcal infection; specifically, we assessed pathways related to neuronal survival after enhancing estrogen receptor-β (ER-β) expression using a natural therapeutic substance known as ginsenoside Rb1 and Rg3 enhanced ginseng...
March 9, 2018: CNS Neuroscience & Therapeutics
Katherine Ward, Angela Deneris
Menopause-related symptoms frequently lead women to seek health care. Recommendations for prescribing hormone therapy have changed significantly since the publication of initial results from the Women's Health Initiative (WHI) study in 2002. The North American Menopause Society and the American College of Obstetricians and Gynecologists have newer guidelines based on long-term analyses of the WHI participants as well as emerging data from other clinical trials. Women with an intact uterus who are using systemic estrogen must also use a progestogen; however, there are 2 new selective estrogen receptor modulators on the market for use without a progestogen...
March 9, 2018: Journal of Midwifery & Women's Health
Bin Xiao, Weiyun Zhang, Lidan Chen, Jianfeng Hang, Lizhi Wang, Rong Zhang, Yang Liao, Jianyun Chen, Qiang Ma, Zhaohui Sun, Linhai Li
Estrogen receptor-positive (ER+ ) and ER-negative (ER- ) subtypes of breast cancer have distinct clinical outcomes because they respond differentially to endocrine therapies. We aimed to comprehensively analyze differentially expressed microRNA (miRNAs), long non-coding RNAs (lncRNAs) and mRNAs in different ER subtypes as well as to identify prognosis-related RNAs. The expression levels of miRNAs, lncRNAs, and mRNAs between breast cancer and normal samples were compared using data from The Cancer Genome Atlas database...
March 5, 2018: Gene
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