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https://www.readbyqxmd.com/read/28927243/early-endometriosis-in-females-is-directed-by-immune-mediated-estrogen-receptor-alpha-and-il6-cross-talk
#1
Katherine A Burns, Seddon Y Thomas, Katherine J Hamilton, Steven L Young, Donald N Cook, Kenneth S Korach
Endometriosis is a gynecological disease that negatively affects the health of 1 in 10 women. While more information is known about late stage disease, the early initiation of endometriosis and lesion development is poorly understood. Herein, we use a uterine tissue transfer mouse model of endometriosis to examine early disease development and its dependence on estradiol (E2) and estrogen receptor a (ERα) within 72 h of disease initiation. Using wild type and ERα knockout mice as hosts or donors, we find significant infiltration of neutrophils and macrophages into the peritoneal cavity...
September 11, 2017: Endocrinology
https://www.readbyqxmd.com/read/28927237/augmented-association-between-blood-pressure-and-proteinuria-in-hyperuricemic-patients-with-non-nephrotic-chronic-kidney-disease
#2
K Kohagura, M Kochi, T Miyagi, R Zamami, K Nagahama, K Yonemoto, Y Ohya
Background: Hyperuricemia (HU) may enhance susceptibility to hypertensive renal damage via disrupted autoregulation of glomerular hemodynamics. The effect of HU on the association between blood pressure (BP) and proteinuria remains unknown in patients with chronic kidney disease (CKD). Methods: In total, 109 patients with non-nephrotic CKD (55 men and 54 females) who underwent renal biopsy were recruited. Arteriolar hyalinosis was semiquantitatively assessed via arteriole grading...
September 13, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28927230/multi-azole-resistant-strains-of-cryptococcus-neoformans-var-grubii-isolated-from-a-flz-resistant-strain-by-culturing-in-medium-containing-voriconazole
#3
Rui Kano, Miki Okubo, Atsuhiko Hasegawa, Hiroshi Kamata
A Cryptococcus neoformans var. grubii strain, NUBS14020, was the first fluconazole (FLZ)-resistant strain isolated from a feline cryptococcosis. Subsequent work demonstrated that multi-azole-resistant strains are readily isolated from FLZ-resistant strains by culturing in medium containing voriconazole (VRZ). The resulting clones were assessed for mutation and expression of known target genes, including the loci encoding lanosterol 14-α demethylase (ERG11), an ATP-binding cassette (ABC) transporter (AFR1), or a multidrug efflux pump (MEP); mutation and/or overexpression of these genes is known to be associated with azole resistance...
September 11, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28927102/mining-the-glioma-susceptibility-genes-in-children-from-gene-expression-profiles-and-a-methylation-database
#4
Yongqiang Xi, Wanzhong Tang, Song Yang, Maolei Li, Yuchao He, Xianhua Fu
Glioma is the most common type of primary brain tumor, which is associated with a poor prognosis due to its aggressive growth behavior and highly invasive nature. Research regarding glioma pathogenesis is expected to provide novel methods of adjuvant therapy for the treatment of glioma. The use of bioinformatics to identify candidate genes is commonly used to understand the genetic basis of disease. The present study used bioinformatics to mine the disease-related genes using gene expression profiles (GSE50021) and dual-channel DNA methylation data (GSE50022)...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927096/laptm4b-2-allele-is-associated-with-the-development-of-papillary-thyroid-carcinoma-in-chinese-women
#5
Yue Meng, Rouli Zhou, Jianjun Xu, Qingyun Zhang
Lysosome-associated protein transmembrane 4-β (LAPTM4B) contains a polymorphic region that contributes to the increased risk of numerous types of tumor. However, no study has yet demonstrated an association between the expression of the LAPTM4B gene and tumor differentiation, and the reason that LAPTM4B polymorphisms affect the susceptibility of individuals to cancer remains to be elucidated. The present study assessed the possible association between LAPTM4B polymorphism and the risk of papillary thyroid carcinoma (PTC), and attempted to identify the underlying mechanism for variation in patient susceptibility with respect to transcription regulation in the polymorphism region...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926983/expression-of-the-grape-vasts19-gene-in-arabidopsis-improves-resistance-to-powdery-mildew-and-botrytis-cinerea-but-increases-susceptibility-to-pseudomonas-syringe-pv-tomato-dc3000
#6
Yaqiong Wang, Dejun Wang, Fan Wang, Li Huang, Xiaomin Tian, Steve van Nocker, Hua Gao, Xiping Wang
Stilbene synthase (STS) is a key enzyme that catalyzes the biosynthesis of resveratrol compounds and plays an important role in disease resistance. The molecular pathways linking STS with pathogen responses and their regulation are not known. We isolated an STS gene, VaSTS19, from a Chinese wild grape, Vitis amurensis Rupr. cv. "Tonghua-3", and transferred this gene to Arabidopsis. We then generated VaSTS19-expressing Arabidopsis lines and evaluated the functions of VaSTS19 in various pathogen stresses, including powdery mildew, B...
September 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28926970/proteomic-characterization-of-armillaria-mellea-reveals-oxidative-stress-response-mechanisms-and-altered-secondary-metabolism-profiles
#7
Cassandra Collins, Rachel Hurley, Nada Almutlaqah, Grainne O'Keeffe, Thomas M Keane, David A Fitzpatrick, Rebecca A Owens
Armillaria mellea is a major plant pathogen. Yet, the strategies the organism uses to infect susceptible species, degrade lignocellulose and other plant material and protect itself against plant defences and its own glycodegradative arsenal are largely unknown. Here, we use a combination of gel and MS-based proteomics to profile A. mellea under conditions of oxidative stress and changes in growth matrix. 2-DE and LC-MS/MS were used to investigate the response of A. mellea to H₂O₂ and menadione/FeCl₃ exposure, respectively...
September 17, 2017: Microorganisms
https://www.readbyqxmd.com/read/28926961/effects-of-metal-ions-temperature-and-a-denaturant-on-the-oxidative-folding-pathways-of-bovine-%C3%AE-lactalbumin
#8
Reina Shinozaki, Michio Iwaoka
Bovine α-lactalbumin (αLA) has four disulfide (SS) bonds in the native form (N). On the oxidative folding pathways of this protein, two specific SS folding intermediates, i.e., (61-77, 73-91) and des[6-120], which have two and three native SS bonds, respectively, accumulate predominantly in the presence of Ca(2+). In this study, we reinvestigated the pathways using a water-soluble cyclic selenoxide reagent, trans-3,4-dihydroxyselenolane oxide (DHS(ox)), as a strong and quantitative oxidant to oxidize the fully reduced form (R)...
September 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28926845/leptospirosis-renal-disease-emerging-culprit-of-chronic-kidney-disease-unknown-etiology
#9
Chih-Wei Yang
Leptospirosis is the most prevalent zoonosis affecting more than 1 million populations worldwide. Interestingly, leptospirosis endemic regions coincide with chronic kidney disease (CKD) hotspots largely due to flooding and agricultural overlaps. Acute leptospirosis induces multiple organ dysfunction including acute kidney injury and may predispose to CKD and end-stage renal disease, if not treated timely. Asymptomatic infection may carry the bacteria in the kidney and CKD progresses insidiously. Histologic finding of leptospirosis renal disease includes tubulointerstitial nephritis, interstitial fibrosis, and tubular atrophy...
September 20, 2017: Nephron
https://www.readbyqxmd.com/read/28926807/ambient-temperature-and-risk-of-cardiovascular-events-at-labor-and-delivery-a-case-crossover-study
#10
Sandie Ha, Kelly Nguyen, Danping Liu, Tuija Männistö, Carrie Nobles, Seth Sherman, Pauline Mendola
BACKGROUND: Extreme ambient temperatures are linked to cardiac events in the general population, but this relationship is unclear among pregnant women. We estimated the associations and attributable risk between ambient temperature and the risk of cardiovascular event at labor/delivery, and investigated whether these associations vary by maternal race/ethnicity. METHODS: We identified 680 women with singleton deliveries affected by cardiovascular events across 12 US sites (2002-2008)...
September 16, 2017: Environmental Research
https://www.readbyqxmd.com/read/28926697/copper-inhibits-the-alkb-family-dna-repair-enzymes-under-wilson-s-disease-condition
#11
Ke Bian, Fangyi Chen, Zachary T Humulock, Qi Tang, Deyu Li
Disturbed metabolism of copper ions can cause diseases, such as Wilson's disease (WD). In this work, we investigated the inhibi-tory effect of Cu(II) ion on the AlkB family DNA repair enzymes in vitro, which are members of the Fe(II)/alpha-ketoglutarate-dependent dioxygenase and include human ALKBH2, ALKBH3, and E. coli AlkB proteins. None of the three proteins were significantly inhibited under normal cellular copper concentrations. But under WD related condition, we observed the activities of all three enzymes were strongly suppressed (from 95...
September 19, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28926634/nasal-and-pharyngeal-carriage-of-methicillin-resistant-staphylococcus-sciuri-among-hospitalised-patients-and-healthcare-workers-in-a-serbian-university-hospital
#12
Ivana Cirkovic, Jasmina Trajkovic, Tomasz Hauschild, Paal Skytt Andersen, Adebayo Shittu, Anders Rhod Larsen
There has been a paucity of data on methicillin-resistant Staphylococcus sciuri (MRSS) epidemiology in European healthcare settings. The aim of the study was to determine the prevalence of nasal and pharyngeal carriage and diversity of MRSS among inpatients and healthcare workers (HCWs) in the largest healthcare centre in Serbia, and to assess performance of different methods for MRSS screening. Nasal and pharyngeal swabs were obtained from 195 patients and 105 HCWs in different departments. Each swab was inoculated directly onto MRSA-ID, oxacillin-resistance screening agar and mannitol salt agar (MSA) with 2 mg/L of oxacillin...
2017: PloS One
https://www.readbyqxmd.com/read/28926571/whole-genome-sequencing-illuminates-the-evolution-and-spread-of-multidrug-resistant-tuberculosis-in-southwest-nigeria
#13
Madikay Senghore, Jacob Otu, Adam Witney, Florian Gehre, Emma L Doughty, Gemma L Kay, Phillip Butcher, Kayode Salako, Aderemi Kehinde, Nneka Onyejepu, Emmanuel Idigbe, Tumani Corrah, Bouke de Jong, Mark J Pallen, Martin Antonio
Nigeria has an emerging problem with multidrug-resistant tuberculosis (MDR-TB). Whole-genome sequencing was used to understand the epidemiology of tuberculosis and genetics of multi-drug resistance among patients from two tertiary referral centers in Southwest Nigeria. In line with previous molecular epidemiology studies, most isolates of Mycobacterium tuberculosis from this dataset belonged to the Cameroon clade within the Euro-American lineage. Phylogenetic analysis showed this clade was undergoing clonal expansion in this region, and suggests that it was involved in community transmission of sensitive and multidrug-resistant tuberculosis...
2017: PloS One
https://www.readbyqxmd.com/read/28926567/critical-developmental-windows-for-morphology-and-hematology-revealed-by-intermittent-and-continuous-hypoxic-incubation-in-embryos-of-quail-coturnix-coturnix
#14
Warren W Burggren, Nourhan A Elmonoufy
Hypoxia during embryonic growth in embryos is frequently a powerful determinant of development, but at least in avian embryos the effects appear to show considerable intra- and inter-specific variation. We hypothesized that some of this variation may arise from different protocols that may or may not result in exposure during the embryo's critical window for hypoxic effects. To test this hypothesis, quail embryos (Coturnix coturnix) in the intact egg were exposed to hypoxia (~15% O2) during "early" (Day 0 through Day 5, abbreviated as D0-D5), "middle" (D6-D10) or "late" (D11-D15) incubation or for their entire 16-18 day incubation ("continuous hypoxia") to determine critical windows for viability and growth...
2017: PloS One
https://www.readbyqxmd.com/read/28926348/a-primer-for-diagnosing-and-managing-malignant-hyperthermia-susceptibility
#15
Marilyn Green Larach
No abstract text is available yet for this article.
September 19, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28926326/prevalence-of-hepatitis-a-virus-antibody-in-portuguese-travelers-a-new-paradigm
#16
Sónia Rocha, Sandra Tejo, Eugénia Ferreira, Luís Trindade, Eduardo Rabadão, Nuno Marques, José Saraiva da Cunha
INTRODUCTION: In Portugal, the prevalence of hepatitis A virus infection has decreased in the past decades, especially in young adults. The aim of this study was to detect the prevalence of antibody to hepatitis A virus in a population observed in our Travel Clinic. MATERIAL AND METHODS: Antibodies against hepatitis A, hepatitis B, hepatitis C and human immunodeficiency virus were tested using standard enzyme immunoassay in patients older than 18. The exclusion criteria were: prior vaccination for hepatitis A virus, previous diagnosis of infection with hepatitis B virus, hepatitis C virus and/or human immunodeficiency virus, foreign travelers and long-term expatriates...
August 31, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28926086/common-variants-in-dlg1-locus-are-associated-with-non-syndromic-cleft-lip-with-or-without-cleft-palate
#17
Adrianna Mostowska, Agnieszka Gaczkowska, Kacper Żukowski, Kerstin U Ludwig, Kamil K Hozyasz, Piotr Wójcicki, Elizabeth Mangold, Anne C Böhmer, Stefanie Heilmann-Heimbach, Michael Knapp, Małgorzata Zadurska, Barbara Biedziak, Margareta Budner, Agnieszka Lasota, Agata Daktera-Micker, Paweł P Jagodziński
Non-syndromic cleft lip with or without cleft palate (nsCL/P) is a common craniofacial anomaly with a complex and heterogeneous etiology. Knowledge regarding specific genetic factors underlying this birth defect is still not well understood. Therefore, we conducted an independent replication analysis for the top-associated variants located within the DLG1 locus at chromosome 3q29, which was identified as a novel cleft-susceptibility locus in our genome-wide association study (GWAS). Mega-analysis of the pooled individual data from the GWAS and replication study confirmed that common DLG1 variants are associated with the risk of nsCL/P...
September 19, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28926016/policy-analysis-for-delivery-of-contagious-bovine-pleuropneumonia-control-strategies-in-sub-saharan-africa
#18
J O Onono, B Wieland, A Suleiman, J Rushton
This paper presents a policy analysis for the implementation of contagious bovine pleuropneumonia (CBPP) control strategies in pastoral regions of sub-Saharan Africa, where the disease is endemic. A framework for policy analysis was adapted for this review. The framework has eight principal steps: defining the context of the policy, identifying the problem to be addressed by the policy, searching for evidence of the problem, identifying policy options, projecting policy outcomes, evaluating the potential policy options, weighing their outcomes and making the policy decision...
April 2017: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28925985/differential-effects-of-surface-functionalized-zirconium-oxide-nanoparticles-on-alveolar-macrophages-rat-lung-and-a-mouse-allergy-model
#19
Antje Vennemann, Francesca Alessandrini, Martin Wiemann
Nanoparticles (NPs) may affect the lung via their chemical composition on the surface. Here, we compared the bioactivity of zirconium oxide (ZrO₂) NPs coated with either aminopropilsilane (APTS), tetraoxidecanoic acid (TODS), polyethyleneglycol (PGA), or acrylic acid (Acryl). Supernatants from NPs-treated cultured alveolar macrophages (NR8383) tested for lactate dehydrogenase, glucuronidase, tumor necrosis factor α, and H₂O₂ formation revealed dose-dependent effects, with only gradual differences among particles whose gravitational settling and cellular uptake were similar...
September 19, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28925956/sulfadiazine-salicylaldehyde-based-schiff-bases-synthesis-antimicrobial-activity-and-cytotoxicity
#20
Martin Krátký, Magdaléna Dzurková, Jiří Janoušek, Klára Konečná, František Trejtnar, Jiřina Stolaříková, Jarmila Vinšová
The resistance among microbes has brought an urgent need for new drugs. Thus, we synthesized a series of Schiff bases derived from the sulfa drug sulfadiazine and various salicylaldehydes. The resulting 4-[(2-hydroxybenzylidene)amino]-N-(pyrimidin-2-yl)benzene-sulfonamides were characterized and evaluated against Gram-positive and Gram-negative bacteria, yeasts, moulds, Mycobacterium tuberculosis, nontuberculous mycobacteria (M. kansasii, M. avium) and their cytotoxicity was determined. Among bacteria, the genus Staphylococcus, including methicillin-resistant S...
September 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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