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https://www.readbyqxmd.com/read/28317149/association-between-variants-in-genes-involved-in-the-immune-response-and-prostate-cancer-risk-in-men-randomized-to-the-finasteride-arm-in-the-prostate-cancer-prevention-trial
#1
Danyelle A Winchester, Cathee Till, Phyllis J Goodman, Catherine M Tangen, Regina M Santella, Teresa L Johnson-Pais, Robin J Leach, Jianfeng Xu, S Lilly Zheng, Ian M Thompson, M Scott Lucia, Scott M Lippman, Howard L Parnes, William B Isaacs, Angelo M De Marzo, Charles G Drake, Elizabeth A Platz
BACKGROUND: We reported that some, but not all single nucleotide polymorphisms (SNPs) in select immune response genes are associated with prostate cancer, but not individually with the prevalence of intraprostatic inflammation in the Prostate Cancer Prevention Trial (PCPT) placebo arm. Here, we investigated whether these same SNPs are associated with risk of lower- and higher-grade prostate cancer in men randomized to finasteride, and with prevalence of intraprostatic inflammation among controls...
March 20, 2017: Prostate
https://www.readbyqxmd.com/read/28316053/the-use-of-rapid-and-cost-effective-blood-based-biomarkers-in-combination-with-tumour-tnm-stage-for-individual-head-and-neck-cancer-patient-treatment-selection
#2
REVIEW
Nongnit Laytragoon Lewin, Freddi Lewin, Bengt-Åke Andersson, Sture Löfgren, Lars Erik Rutqvist
Head and neck (H&N) cancer is an aggressive disease and the incidence has increased in younger population worldwide. Tumour TNM staging is the main basis for treatment decision despite significant variation in clinical outcome. Survival time of these patients has marginally improved during the last 30 years. Various biomarkers with cumbersome analysis, high cost, time consumption and requirement of special laboratory facilities have been investigated. However, none of these biomarkers have been shown to be suitable to use for individual H&N cancer patient treatment selection in the clinic...
April 2017: Medical Oncology
https://www.readbyqxmd.com/read/28298541/rosa-mosqueta-oil-prevents-oxidative-stress-and-inflammation-through-the-upregulation-of-ppar-%C3%AE-and-nrf2-in-c57bl-6j-mice-fed-a-high-fat-diet
#3
Daniel González-Mañán, Amanda D'Espessailles, Camila G Dossi, Marcela San Martín, Rodrigo A Mancilla, Gladys S Tapia
Background: Rosa mosqueta (RM) oil is characterized by high concentrations of antioxidants and α-linolenic acid (ALA; 18:3n-3). We have previously demonstrated in male C57BL/6J mice that RM decreases hepatic steatosis, a condition strongly associated with oxidative stress and inflammation.Objective: We studied the molecular mechanisms that underlie the role of RM in preventing high-fat diet (HFD)-induced oxidative stress and inflammation.Methods: Male C57BL/6J mice aged 28 d and weighing 12-14 g were divided into the following groups and fed for 12 wk: control diet (CD; 10% fat, 20% protein, and 70% carbohydrates); CD + RM (1...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28295446/a-recombinant-cystatin-from-ascaris-lumbricoides-attenuates-inflammation-of-dss-induced-colitis
#4
Sandra Coronado, Luis Barrios, Josefina Zakzuk, Ronald Regino, Velky Ahumada, Luis Franco, Yanet Ocampo, Luis Caraballo
Helminthiasis may ameliorate inflammatory diseases, such as inflammatory bowel disease and asthma. Information about immunomodulators from Ascaris lumbricoides is scarce, but could be important considering the co-evolutionary relationships between helminths and humans. We evaluated the immunomodulatory effects of a recombinant cystatin from A. lumbricoides on an acute model of Dextran Sodium Sulphate (DSS)-induced colitis in mice. From an A. lumbricoides cDNA library we obtained a recombinant cystatin (rAl-CPI)...
March 10, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28294290/genetic-obesity-risk-and-attenuation-effect-of-physical-fitness-in-mexican-mestizo-population-a-case-control-study
#5
Paula Costa-Urrutia, Carolina Abud, Valentina Franco-Trecu, Valentina Colistro, Martha Eunice Rodríguez-Arellano, Joel Vázquez-Pérez, Julio Granados, Marilia Seelaender
We analyzed commonly reported European and Asian obesity-related gene variants in a Mexican-Mestizo population through each single nucleotide polymorphism (SNP) and a genetic risk score (GRS) based on 23 selected SNPs. Study subjects were physically active Mexican-Mestizo adults (n  =  608) with body mass index (BMI) values from 18 to 55 kg/m(2) . For each SNP and for the GRS, logistic models were performed to test for simple SNP associations with BMI, fat mass percentage (FMP), waist circumference (WC), and the interaction with VO2max and muscular endurance (ME)...
March 15, 2017: Annals of Human Genetics
https://www.readbyqxmd.com/read/28289704/preferential-tnf%C3%AE-signaling-via-tnfr2-regulates-epithelial-injury-and-duct-obstruction-in-experimental-biliary-atresia
#6
Pranavkumar Shivakumar, Tatsuki Mizuochi, Reena Mourya, Sridevi Gutta, Li Yang, Zhenhua Luo, Jorge A Bezerra
Biliary atresia is an obstructive cholangiopathy of infancy that progresses to end-stage cirrhosis. Although the pathogenesis of the disease is not completely understood, previous reports link TNFα to apoptosis of the bile duct epithelium in the presence of IFNγ. Here, we investigate if TNFα signaling regulates pathogenic mechanisms of biliary atresia. First, we quantified the expression of TNFA and its receptors TNFR1 and TNFR2 in human livers and found an increased expression of the receptors at the time of diagnosis...
March 9, 2017: JCI Insight
https://www.readbyqxmd.com/read/28238791/selol-an-organic-selenium-donor-prevents-lipopolysaccharide-induced-oxidative-stress-and-inflammatory-reaction-in-the-rat-brain
#7
Agnieszka Dominiak, Anna Wilkaniec, Henryk Jęśko, Grzegorz A Czapski, Anna M Lenkiewicz, Eliza Kurek, Piotr Wroczyński, Agata Adamczyk
Neuroinflammation and oxidative stress are key intertwined pathological factors in many neurological, particularly neurodegenerative diseases, such as Alzheimer's and Parkinson's disorders as well as autism. The present study was conducted to evaluate the protective effects of Selol, an organic selenium donor, against lipopolysaccharide (LPS)-mediated inflammation in rat brain. The results demonstrated that the peripheral administration of LPS in a dose of 100 μg/kg b.w. evoked typical pathological reaction known as systemic inflammatory response...
February 23, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28224022/introduction-of-inflammatory-bowel-disease-biomarkers-panel-using-protein-protein-interaction-ppi-network-analysis
#8
Hamid Asadzadeh-Aghdaee, Shabnam Shahrokh, Mohsen Norouzinia, Mostafa Hosseini, Aliasghar Keramatinia, Mostafa Jamalan, Bijan Naghibzadeh, Ali Sadeghi, Somayeh Jahani Sherafat, Mohammad Reza Zali
AIM: In the present study, a protein-protein interaction network construction is conducted for IBD. BACKGROUND: Inflammatory bowel diseases as serious chronic gastrointestinal disorders attracted many molecular investigations. Diverse molecular information is present for IBD. However, these molecular findings are not highlighted based on interactome analysis. On the other hand, PPI network analysis is a powerful method for study of molecular interactions in the protein level that provide useful information for highlighting the desired key proteins...
December 2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28223796/stromelysin-2-mmp-10-facilitates-clearance-and-moderates-inflammation-and-cell-death-following-lung-exposure-to-long-multiwalled-carbon-nanotubes
#9
Tyler C Vandivort, Timothy P Birkland, Talita P Domiciano, Somenath Mitra, Terrance J Kavanagh, William C Parks
Multiwalled carbon nanotubes (MWCNTs) are nanomaterials composed of multiple layers of graphene cylinders with unique properties that make them valuable for a number of industries. However, rising global production has led to concerns regarding potential occupational exposures to them as raw materials during handling. This is especially true for long MWCNT fibers, whose aspect ratio has been posited to initiate pathology similar to that of asbestos. Matrix metalloproteinases (MMPs) are a class of extracellular endopeptidases that control various processes related to tissue repair, inflammation, and more...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28219832/the-role-of-single-nucleotide-polymorphisms-contained-in-proinflammatory-cytokine-genes-in-the-development-of-congenital-infection-with-human-cytomegalovirus-in-fetuses-and-neonates
#10
Wioletta Wujcicka, Jan Wilczyński, Edyta Paradowska, Mirosława Studzińska, Dorota Nowakowska
PURPOSE: The research project targeted the distribution of genotypes, alleles and haplotypes in single nucleotide polymorphisms (SNPs) within the interleukin (IL) 1A, IL1B, IL6, IL12B and TNFA genes, in fetuses and neonates, congenitally infected with human cytomegalovirus (HCMV), and among uninfected controls. METHODS: The study included 20 fetuses and neonates with congenital HCMV infection and 31 control individuals. The genotypes in SNPs of the studied cytokine genes were identified by a self-designed nested PCR-RFLP assays...
February 17, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28212893/traffic-related-air-pollution-impact-on-mouse-brain-accelerates-myelin-and-neuritic-aging-changes-with-specificity-for-ca1-neurons
#11
Nicholas C Woodward, Payam Pakbin, Arian Saffari, Farimah Shirmohammadi, Amin Haghani, Constantinos Sioutas, Mafalda Cacciottolo, Todd E Morgan, Caleb E Finch
Traffic-related air pollution (TRAP) is associated with lower cognition and reduced white matter volume in older adults, specifically for particulate matter <2.5-μm diameter (PM2.5). Rodents exposed to TRAP have shown microglial activation and neuronal atrophy. We further investigated age differences of TRAP exposure, with focus on hippocampus for neuritic atrophy, white matter degeneration, and microglial activation. Young- and middle-aged mice (3 and 18 months female C57BL/6J) were exposed to nanoscale-PM (nPM, <0...
January 13, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28191667/metastatic-recurrence-of-17-years-relapse-free-melanoma-during-anti-tnfa-therapy
#12
Ioana Cosgarea, Andreas Körber, Dorothee Dill, Dirk Schadendorf, Selma Ugurel
Tumor-necrosis-factor-alpha (TNFa) is an innate cytokine involved in regulating inflammation, immunity, tumorigenesis, and apoptosis. TNFa inhibitors became a powerful tool in the treatment of auto-immune inflammatory diseases such as Crohn's disease, ulcerative colitis, rheumatoid arthritis and psoriasis. Known side effects of TNFa inhibitors range from infections to malignancies [1]. We report a male patient who was in 1998 at age 36 diagnosed with amelanotic melanoma of the leg, Breslow thickness 11.0 mm, no ulceration...
February 13, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28188042/molecular-finds-of-pressure-ulcer-a-bioinformatics-approach-in-pressure-ulcer
#13
Eloa Mangabeira Santos, Lucyana Conceição Farias, Sérgio Henrique Sousa Santos, Alfredo Maurício Batista de Paula, Carla Silvana de Oliveira E Silva, André Luiz Sena Guimarães
BACKGROUND: Understanding the biological processes underlying Pressure Ulcer (PU) is an important strategy to identify new molecular targets. Bioinformatics has emerged as an important screening tool for a broad range of diseases. OBJECTIVE: This study aim of the current study is to investigate the protein-protein interaction in the PU context by bioinformatics. METHODS: We performed a search in gene databases, and bioinformatics algorithms were used to generate molecular targets for PU based in silico investigation...
January 28, 2017: Journal of Tissue Viability
https://www.readbyqxmd.com/read/28173039/p602-clinical-biochemical-predictors-of-response-to-anti-tnfa-therapies-in-a-tertiary-referral-centre
#14
D Tighe, N Breslin, B Ryan, D McNamara
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28170426/chronic-social-stress-in-pigs-impairs-intestinal-barrier-and-nutrient-transporter-function-and-alters-neuro-immune-mediator-and-receptor-expression
#15
Yihang Li, Zehe Song, Katelyn A Kerr, Adam J Moeser
Psychosocial stress is a major factor driving gastrointestinal (GI) pathophysiology and disease susceptibility in humans and animals. The mechanisms governing susceptibility to stress-induced GI disease remain poorly understood. In the present study, we investigated the influence of chronic social stress (CSS) in pigs, induced by 7 d of chronic mixing/crowding stress, on intestinal barrier and nutrient transport function, corticotropin releasing factor (CRF) signaling and immunological responses. Results from this study showed that CSS resulted in a significant impairment of ileal and colonic barrier function indicated by reduced transepithelial electrical resistance (TER) in the ileum and increased FD4 flux in the ileum (by 0...
2017: PloS One
https://www.readbyqxmd.com/read/28161546/evaluation-of-changes-in-promoters-use-of-ucoes-and-chain-order-to-improve-the-antibody-production-in-cho-cells
#16
Maria Del Refugio Rocha-Pizaña, Guadalupe Ascencio-Favela, Brenda Maribell Soto-García, Margarita de la Luz Martinez-Fierro, Mario Moisés Alvarez
Therapy with biopharmaceuticals, mainly recombinant antibodies, offers patients higher life expectancy and better life quality than pharmacologic therapy. Countries with the highest scientific development are investing in this kind of therapy, and this is why the optimization of the production of these recombinant proteins would lead to their higher production and lower costs of the final product. Modifications in the use of promoters, the use of recombination regions, and the change in the order of the chains, are some of the genetic engineering changes that can increase the production of recombinant antibodies...
February 2, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28161165/supplemental-methionine-choline-or-taurine-alter-in-vitro-gene-network-expression-of-polymorphonuclear-leukocytes-from-neonatal-holstein-calves
#17
M K Abdelmegeid, M Vailati-Riboni, A Alharti, F Batistel, J J Loor
Isolated PMNL from neonatal calves were used to evaluate the effect of Met, choline, and taurine supplementation on mRNA expression of genes related to the Met cycle and innate immunity. Five neonatal Holstein calves (3 wk old) were used for PMNL isolation and in vitro culture. The selected genes were related to the 1-carbon and Met cycles, cell signaling and cytokine mediators, inflammation, antimicrobial and killing mechanism associated genes, immune mediators, adhesion, and pathogen recognition. The results indicated that supplementation of Met, choline, and taurine increased homocysteine synthesis through upregulation of SAHH...
February 1, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28161077/m1-macrophages-are-predominantly-recruited-to-the-major-pelvic-ganglion-of-the-rat-following-cavernous-nerve-injury
#18
Hotaka Matsui, Nikolai A Sopko, Johanna L Hannan, Allison A Reinhardt, Max Kates, Takahiro Yoshida, Xiaopu Liu, Fabio Castiglione, Petter Hedlund, Emmanuel Weyne, Maarten Albersen, Trinity J Bivalacqua
INTRODUCTION: Neurogenic erectile dysfunction is a common sequela of radical prostatectomy. The etiology involves injury to the autonomic cavernous nerves, which arise from the major pelvic ganglion (MPG), and subsequent neuroinflammation, which leads to recruitment of macrophages to the injury site. Currently, two macrophage phenotypes are known: neurotoxic M1 macrophages and neuroprotective M2 macrophages. AIM: To examine whether bilateral cavernous nerve injury (BCNI) in a rat model of erectile dysfunction would increase recruitment of neurotoxic M1 macrophages to the MPG...
February 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28160694/genetic-and-serum-biomarker-evidence-for-a-relationship-between-tnf%C3%AE-and-ptsd-in-vietnam-war-combat-veterans
#19
Dagmar Bruenig, Divya Mehta, Charles P Morris, Wendy Harvey, Bruce Lawford, Ross McD Young, Joanne Voisey
BACKGROUND: Posttraumatic stress disorder (PTSD) is associated with increased inflammation and comorbid medical conditions. However, study findings for individual inflammatory marker levels have been inconsistent. Some research suggests that resilience may play a role in decreased inflammation. A polymorphism in the promoter region of the tumor necrosis factor α gene (TNFα), TNFA -308 (rs1800629) is associated with psychiatric illness but its role in PTSD is yet to be elucidated. OBJECTIVE: This study investigates a key inflammatory marker, TNFα, for its role in PTSD severity...
January 24, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28148737/antenatal-suppression-of-il-1-protects-against-inflammation-induced-fetal-injury-and-improves-neonatal-and-developmental-outcomes-in-mice
#20
Mathieu Nadeau-Vallée, Peck-Yin Chin, Lydia Belarbi, Marie-Ève Brien, Sheetal Pundir, Martin H Berryer, Alexandra Beaudry-Richard, Ankush Madaan, David J Sharkey, Alexis Lupien-Meilleur, Xin Hou, Christiane Quiniou, Alexandre Beaulac, Ines Boufaied, Amarilys Boudreault, Adriana Carbonaro, Ngoc-Duc Doan, Jean-Sebastien Joyal, William D Lubell, David M Olson, Sarah A Robertson, Sylvie Girard, Sylvain Chemtob
Preterm birth (PTB) is commonly accompanied by in utero fetal inflammation, and existing tocolytic drugs do not target fetal inflammatory injury. Of the candidate proinflammatory mediators, IL-1 appears central and is sufficient to trigger fetal loss. Therefore, we elucidated the effects of antenatal IL-1 exposure on postnatal development and investigated two IL-1 receptor antagonists, the competitive inhibitor anakinra (Kineret) and a potent noncompetitive inhibitor 101.10, for efficacy in blocking IL-1 actions...
February 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
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