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https://www.readbyqxmd.com/read/28343378/adipose-derived-stem-cells-suppress-inflammation-induced-by-il-1beta-through-down-regulation-of-p2x7r-mediated-by-mir-373-in-chondrocytes-of-osteoarthritis
#1
Rilong Jin, Miaoda Shen, Liedao Yu, Xuanwei Wang, Xiangjin Lin
Adipose-derived stem cells (ADSCs) were previously considered to have an anti-inflammatory effect, and Interleukin-1beta (IL-1beta) was found to be a pro-inflammatory factor in chondrocytes, but the mechanism underlying ADSCs and IL-1beta is unclear. In this study, we investigate whether P2X7 receptor (P2X7R) signalling, regulated by microRNA 373 (miR-373), was involved in the ADSCs and IL-1beta mediated inflammation in osteoarthritis (OA). Chondrocytes were collected from 20OA patients and 20 control participants, and ADSCs were collected from patients who had undergone abdominal surgery...
March 27, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28343375/foxo1-suppression-is-a-determinant-of-acquired-lapatinib-resistance-in-her2-positive-gastric-cancer-cells-through-met-upregulation
#2
Jinju Park, Yiseul Choi, Young San Ko, Younghoon Kim, Jung-Soo Pyo, Bo Gun Jang, Min A Kim, Jae-Seon Lee, Mee Soo Chang, Jong-Wan Park, Byung Lan Lee
Purpose: Lapatinib is a candidate drug for treatment of trastuzumab-resistant, HER2-positive gastric cancer (GC). Unfortunately, lapatinib resistance renders this drug ineffective. The present study investigated the implication of forkhead box protein O1 (FOXO1) signaling in the acquired lapatinib resistance in HER2-positive GC cells. Materials and Methods: Lapatinib-resistant GC cell lines (SNU-216 LR2-8) were generated in vitro by chronic exposure of lapatinib-sensitive, HER2-positive SNU-216 cells to lapatinib...
March 24, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28343363/sample-pooling-for-real-time-pcr-detection-and-virulence-determination-of-the-footrot-pathogen-dichelobacter-nodosus
#3
Sara Frosth, Ulrika König, Ann-Kristin Nyman, Anna Aspán
Dichelobacter nodosus is the principal cause of ovine footrot and strain virulence is an important factor in disease severity. Therefore, detection and virulence determination of D. nodosus is important for proper diagnosis of the disease. Today this is possible by real-time PCR analysis. Analysis of large numbers of samples is costly and laborious; therefore, pooling of individual samples is common in surveillance programs. However, pooling can reduce the sensitivity of the method. The aim of this study was to develop a pooling method for real-time PCR analysis that would allow sensitive detection and simultaneous virulence determination of D...
March 25, 2017: Veterinary Research Communications
https://www.readbyqxmd.com/read/28343235/transcription-dependent-radial-distribution-of-tcf7l2-regulated-genes-in-chromosome-territories
#4
Keyvan Torabi, Darawalee Wangsa, Immaculada Ponsa, Markus Brown, Anna Bosch, Maria Vila-Casadesús, Tatiana S Karpova, Maria Calvo, Antoni Castells, Rosa Miró, Thomas Ried, Jordi Camps
Human chromosomes occupy distinct territories in the interphase nucleus. Such chromosome territories (CTs) are positioned according to gene density. Gene-rich CTs are generally located in the center of the nucleus, while gene-poor CTs are positioned more towards the nuclear periphery. However, the association between gene expression levels and the radial positioning of genes within the CT is still under debate. In the present study, we performed three-dimensional fluorescence in situ hybridization experiments in the colorectal cancer cell lines DLD-1 and LoVo using whole chromosome painting probes for chromosomes 8 and 11 and BAC clones targeting four genes with different expression levels assessed by gene expression arrays and RT-PCR...
March 25, 2017: Chromosoma
https://www.readbyqxmd.com/read/28343232/genetic-polymorphisms-in-defb1-and-mirna202-are-involved-in-salivary-human-%C3%AE-defensin-1-levels-and-caries-experience-in-children
#5
Andrea Lips, Leonardo Santos Antunes, Lívia Azeredo Antunes, Júlia Guimarães Barcellos de Abreu, Driely Barreiros, Daniela Silva Barroso de Oliveira, Ana Carolina Batista, Paulo Nelson-Filho, Léa Assed Bezerra da Silva, Raquel Assed Bezerra da Silva, Gutemberg Gomes Alves, Erika Calvano Küchler
The antimicrobial peptides human β-defensins (hBDs) are encoded by β-defensin genes (DEFBs) and are possibly involved in caries susceptibility. In this study we aimed (1) to investigate the relationship between salivary hBDs and caries and (2) to evaluate the association of genetic polymorphisms in DEFB1 and microRNA202 (miRNA202) with salivary levels of hBDs and caries experience. Two data sets were available for this study, totalizing 678 Brazilian children. Dental examination and saliva collection were performed in all included children...
March 25, 2017: Caries Research
https://www.readbyqxmd.com/read/28343210/periodic-fever-aphthous-stomatitis-pharyngitis-and-cervical-adenitis-pfapa-syndrome-in-children
#6
Vira B Semianchuk
INTRODUCTION: Periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis (PFAPA) syndrome refers to a group of primary immunodeficiencies, namely autoinflammatory diseases. Most pediatricians and otolaryngologists do not suspect PFAPA syndrome when treating recurrent pharyngitis (according to Ukrainian classification - tonsillitis) and stomatitis. Therefore, patients with a given syndrome receive unnecessary treatment (antibiotic therapy or antiviral drugs) and the diagnosis is made late...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28343161/fulminant-invasive-meningococcal-disease-due-to-serogroup-y-infection-a-highly-unusual-case-reflecting-worrying-increases-in-carriage-and-incidence
#7
Akash Maniam, Sriram Ravichandran
A young man presented to accident and emergency with a short history of diarrhoea and vomiting, with no medical history. He deteriorated rapidly during triage and never regained consciousness. He was pronounced dead after hours of attempted resuscitation. He was found to have organisms suggestive of diplococci on his blood film and subsequently had MenY found via PCR testing. This case illustrates a highly unusual presentation of invasive meningococcal disease caused by MenY which is quietly and dangerously increasing in incidence in the UK, particularly in young healthy patients...
March 25, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28343144/gene-and-protein-expressions-and-metabolomics-exhibit-activated-redox-signaling-and-wnt-%C3%AE-catenin-pathway-are-associated-with-metabolite-dysfunction-in-patients-with-chronic-kidney-disease
#8
Dan-Qian Chen, Gang Cao, Hua Chen, Dan Liu, Wei Su, Xiao-Yong Yu, Nosratola D Vaziri, Xiu-Hua Liu, Xu Bai, Li Zhang, Ying-Yong Zhao
Changes in plasma concentration of small organic metabolites could be due to their altered production or urinary excretion and changes in their urine concentration may be due to the changes in their filtered load, tubular reabsorption, and/or altered urine volume. Therefore, these factors should be considered in interpretation of the changes observed in plasma or urine of the target metabolite(s). Fasting plasma and urine samples from 180 CKD patients and 120 age-matched healthy controls were determined by UPLC-HDMS-metabolomics and quantitative real-time RT-PCR techniques...
March 23, 2017: Redox Biology
https://www.readbyqxmd.com/read/28343098/developmental-validation-of-qiagen-investigator-%C3%A2-24plex-qs-kit-and-investigator-%C3%A2-24plex-go-kit-two-6-dye-multiplex-assays-for-the-extended-codis-core-loci
#9
Melanie Kraemer, Anke Prochnow, Michael Bussmann, Mario Scherer, Ralf Peist, Carolyn Steffen
The original CODIS database based on 13 core STR loci has been overwhelmingly successful for matching suspects with evidence. In order to increase the power of discrimination, reduce the possibility of adventitious matches, and expand global data sharing, the CODIS Core Loci Working Group determined the expansion of the CODIS core loci to 20 STR plus three additional "highly recommended" loci (SE33, DY391, Amelogenin) Hares, 2015, 2012 [1,2]. The QIAGEN Investigator 24plex QS and Investigator 24plex GO! Kits are 6-dye multiplex assays that contain all markers of the expanded 23 CODIS core loci along with a unique internal performance control that is co-amplified with the STR markers...
March 12, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28343091/rapid-detection-and-ruling-out-of-neonatal-sepsis-by-pcr-coupled-with-electrospray-ionization-mass-spectrometry-pcr-esi-ms
#10
Cristina Delcò, Oliver Karam, Riccardo Pfister, Alain Gervaix, Gesuele Renzi, Stéphane Emonet, Jacques Schrenzel, Klara M Posfay-Barbe
BACKGROUND: Sepsis is an important cause of morbidity and mortality in neonates and clinicians are typically required to administer empiric antibiotics while waiting for blood culture results. However, prolonged and inappropriate use of antibiotics is associated with various complications and adverse events. Better tools to rapidly rule out bacterial infections are therefore needed. AIMS: We aimed to assess the negative predictive value of PCR coupled with Electrospray Ionization Mass Spectrometry (PCR/ESI-MS) compared to conventional blood cultures in neonatal sepsis...
March 23, 2017: Early Human Development
https://www.readbyqxmd.com/read/28343073/breviscapine-confers-a-neuroprotective-efficacy-against-transient-focal-cerebral-ischemia-by-attenuating-neuronal-and-astrocytic-autophagy-in-the-penumbra
#11
Zhang Pengyue, Guo Tao, He Hongyun, Yang Liqiang, Deng Yihao
Breviscapine is a flavonoid derived from a traditional Chinese herb Erigerin breviscapus (Vant.) Hand-Mazz, and has been extensively used in clinical treatment for cerebral stroke in China, but the underlying pharmacological mechanisms are still unclear. In present study, we investigated whether breviscapine could confer a neuroprotection against cerebral ischemia injury by targeting autophagy mechanisms. A cerebral stroke model in Sprague-Dawley rats was prepared by middle cerebral artery occlusion (MCAO), rats were then randomly divided into 5 groups: MCAO+Bre group, rats were treated with breviscapine; MCAO+Tat-Beclin-1 group, animals were administrated with specific autophagy inducer Tat-Beclin-1; MCAO+Bre+Tat-Beclin-1 group, rats were treated with both breviscapine and Tat-Beclin-1, MCAO+saline group, rats received the same volume of physiological saline, and Sham surgery group...
March 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28343070/the-activation-of-akt-mtor-pathway-by-bleomycin-in-epithelial-to-mesenchymal-transition-of-human-submandibular-gland-cells-a-treatment-mechanism-of-bleomycin-for-mucoceles-of-the-salivary-glands
#12
Yu Cai, Rui Sun, Rong Wang, Jian-Gang Ren, Wei Zhang, Yi-Fang Zhao, Ji-Hong Zhao
OBJECTIVE: Bleomycin (BLM) has been found safe and highly effective in the treatment of the mucoceles by intralesional injection in our previous study. The present research was designed to investigate whether epithelial-to-mesenchymal transition (EMT) contributes to the therapeutic effects of BLM for mucoceles of the salivary glands. MATERIAL AND METHODS: The cell proliferation and apoptosis of human submandibular gland cells (HSG cells) were examined by Cell Counting Kit-8 assay and Annexin V binding assay respectively...
March 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28343069/linc00152-promotes-cancer-progression-in-hepatitis-b-virus-associated-hepatocellular-carcinoma
#13
Xin Deng, Xiao Fang Zhao, Xing Qiu Liang, Ran Chen, Yi Feng Pan, Jian Liang
BACKGROUND: The X protein (HBx) plays as a key role in hepatocarcinogenesis associated with hepatitis B virus (HBV) infections. The study aimed to figure out the role of Linc00152 in hepatocellular carcinoma (HCC) and the association between the expression levels of Linc00152 and HBx. METHODS: QRT-PCR assays were applied to analyzed the expression levels of Linc00152 and HBx. Kaplan-Meier survival curve was performed to identify the association between LINC00152 and the over survival time (OS) in HCC patients...
March 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28342977/the-role-of-mir-2%C3%A2-13%C3%A2-71-cluster-in-resistance-to-deltamethrin-in-culex-pipiens-pallens
#14
Qin Guo, Yun Huang, Feifei Zou, Bingqian Liu, Mengmeng Tian, Wenyun Ye, Juxin Guo, Xueli Sun, Dan Zhou, Yan Sun, Lei Ma, Bo Shen, Changliang Zhu
Excessive and continuous application of deltamethrin has resulted in the development of deltamethrin resistance among mosquitoes, which becomes a major obstacle for mosquito control. In a previous study, differentially expressed miRNAs between deltamethrin-susceptible (DS) strain and deltamethrin-resistant (DR) strain using illumina sequencing in Culex pipiens pallens were identified. In this study, we applied RNAi and the Centers for Disease Control and Prevention (CDC) bottle bioassay to investigate the relationship between miR-2∼13∼71 cluster (miR-2, miR-13 and miR-71) and deltamethrin resistance...
March 22, 2017: Insect Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28342963/new-insights-into-cellular-cholesterol-acquisition-promoter-analysis-of-human-hmgcr-and-sqle-two-key-control-enzymes-in-cholesterol-synthesis
#15
Vicky Howe, Laura J Sharpe, Anika V Prabhu, Andrew J Brown
BACKGROUND: The two control points of cholesterol synthesis, 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR) and squalene monooxygenase (SQLE) are known targets of the transcription factor sterol-regulatory element binding protein-2 (SREBP-2). Yet the location of the sterol-regulatory elements (SREs) and cofactor binding sites, nuclear factor-Y (NF-Y) and specificity protein 1 (Sp1), have not been satisfactorily mapped in the human SQLE promoter, or at all in the human HMGCR promoter...
March 22, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28342933/regulation-of-airway-inflammation-and-remodeling-in-asthmatic-mice-by-tlr3-trif-signal-pathway
#16
Mei Yang, Hao-Ying Wang, Jian-Chang Chen, Jing Zhao
This paper aims to investigate the effect of Toll-like receptors 3 (TLR3)/TIR-domain-containing adapter-inducing interferon-β (TRIF) signal pathway on the airway inflammation and remodeling in asthmatic mice. C57BL/6 and TLR3(-/-) mice were randomly divided into three groups (10 mice per group), including Control group (mice inhaled phosphate buffer saline (PBS)), Asthma group (mice inhaled ovalbumin (OVA)) and polyriboinosinic-ribocytidylic acid (poly (I: C)) group (asthmatic mice were injected intraperitoneally with TLR3 agonist poly (I: C))...
March 23, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28342889/heteromeric-complexes-of-aldo-keto-reductase-auxiliary-kv%C3%AE-subunits-akr6a-regulate-sarcolemmal-localization-of-kv1-5-in-coronary-arterial-myocytes
#17
Matthew A Nystoriak, Deqing Zhang, Ganapathy Jagatheesan, Aruni Bhatnagar
Redox-sensitive potassium channels consisting of the voltage-gated K(+) (KV) channel pore subunit KV1.5 regulate resting membrane potential and thereby contractility of vascular smooth muscle cells. Members of the KV1 family associate with cytosolic auxiliary β subunits, which are members of the aldo-keto reductase (AKR) superfamily (AKR6A subfamily). The Kvβ subunits have been proposed to regulate Kv1 gating via pyridine nucleotide cofactor binding. However, the molecular identity of KVβ subunits that associate with native KV1...
March 22, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28342773/generation-of-enhanced-definitive-endoderm-from-human-embryonic-stem-cells-under-an-albumin-insulin-free-and-chemically-defined-condition
#18
Su Qu, Liang Yan, Bo Fang, Shoudong Ye, Ping Li, Shengyang Ge, Jian Wu, Di Qu, Houyan Song
AIM: To enhance survival and generation of definitive endoderm cells from human embryonic stem cells in a simple and reproducible system. MAIN METHODS: Definitive endoderm (DE) differentiation from human embryonic stem cells (hESCs) was induced under a chemical-defined condition withdrawn insulin supplement and serum albumin. We dissected influence of "alternative growth factors", WNT3A, BMP4 and bFGF in activin A-driven differentiation by detection of DE-associated genes expression and cell viability...
March 22, 2017: Life Sciences
https://www.readbyqxmd.com/read/28342759/activation-of-epithelial-stat1-by-interleukin-28-controls-mucosal-healing-in-mice-with-colitis-and-is-increased-in-mucosa-of-patients-with-inflammatory-bowel-disease
#19
Mircea T Chiriac, Barbara Buchen, Alexandra Wandersee, Gheorghe Hundorfean, Claudia Günther, Yvonne Bourjau, Sean E Doyle, Benjamin Frey, Arif B Ekici, Christian Büttner, Benno Weigmann, Raja Atreya, Stefan Wirtz, Christoph Becker, Jürgen Siebler, Markus F Neurath
BACKGROUND & AIMS: We investigated the roles of interleukin 28A (also called IL28A or interferon lambda 2) in intestinal epithelial cell (IEC) activation, studying its effects in mouse models of inflammatory bowel diseases (IBD) and intestinal mucosal healing. METHODS: Colitis was induced in C57BL/6JCrl mice (controls), mice with intestinal epithelial cell-specific disruption of Stat1 (Stat1IEC-KO), mice with disruption of the interferon lambda receptor 1 gene (Il28ra-/-), and mice with disruption of the interferon regulatory factor 3 gene (Irf3-/-), with or without disruption of Irf7 (Irf7-/-)...
March 22, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28342740/the-development-of-a-real-time-reverse-transcription-polymerase-chain-reaction-rrt-pcr-assay-using-taqman-technology-for-the-pan-detection-of-bluetongue-virus-btv
#20
Catherine Mulholland, Michael J McMenamy, Bernd Hoffmann, Bernadette Earley, Bryan Markey, Joseph Cassidy, Gordon Allan, Michael D Welsh, John McKillen
Bluetongue virus (BTV) is an infectious, non-contagious viral disease of domestic and wild ruminants that is transmitted by adult females of certain Culicoides species. Since 2006, several serotypes including BTV-1, 2, 4, 6, 8, 9 and 16, have spread from the Mediterranean basin into Northern Europe for the first time. BTV-8 in particular, caused a major epidemic in northern Europe. As a result, it is evident that most European countries are at risk of BTV infection. The objective of this study was to develop and validate a real-time reverse transcriptase-polymerase chain reaction (rRT-PCR) assay based on TaqMan technology for the detection of representative strains of all BTV serotypes...
March 22, 2017: Journal of Virological Methods
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