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https://www.readbyqxmd.com/read/28819569/a-study-on-il8rb-gene-polymorphism-as-a-potential-immuno-compromised-adherent-in-exaggeration-of-parenteral-and-mammo-crine-oxidative-stress-during-mastitis-in-buffalo
#1
S M El Nahas, A H El Kasas, A A Abou Mossallem, M I Abdelhamid, Mohamad Warda
The genetic markers in inflammatory responses during mastitis afford a reasonable way for improving milk production in the Egyptian buffalo breed. Among them is the interleukin 8 Receptor Gene (IL8RB) (CXCR2); a chemokine receptor gene augments the neutrophil migration during infection. To understand its role better during mastitis in Egyptian buffalos, twenty-five dairy animals representing the normal, sub-clinically, clinically and chronically affected buffalos were randomly selected from different districts...
November 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/28815043/the-mek-inhibitor-selumetinib-complements-ctla-4-blockade-by-reprogramming-the-tumor-immune-microenvironment
#2
Edmund Poon, Stefanie Mullins, Amanda Watkins, Geoffrey S Williams, Jens-Oliver Koopmann, Gianfranco Di Genova, Marie Cumberbatch, Margaret Veldman-Jones, Shaun E Grosskurth, Vasu Sah, Alwin Schuller, Corrine Reimer, Simon J Dovedi, Paul D Smith, Ross Stewart, Robert W Wilkinson
BACKGROUND: T-cell checkpoint blockade and MEK inhibitor combinations are under clinical investigation. Despite progress elucidating the immuno-modulatory effects of MEK inhibitors as standalone therapies, the impact of MEK inhibition on the activity of T-cell checkpoint inhibitors remains incompletely understood. Here we sought to characterize the combined effects of MEK inhibition and anti-CTLA-4 mAb (anti-CTLA-4) therapy, examining effects on both T-cells and tumor microenvironment (TME)...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28807001/the-mek-inhibitor-selumetinib-complements-ctla-4-blockade-by-reprogramming-the-tumor-immune-microenvironment
#3
Edmund Poon, Stefanie Mullins, Amanda Watkins, Geoffrey S Williams, Jens-Oliver Koopmann, Gianfranco Di Genova, Marie Cumberbatch, Margaret Veldman-Jones, Shaun E Grosskurth, Vasu Sah, Alwin Schuller, Corrine Reimer, Simon J Dovedi, Paul D Smith, Ross Stewart, Robert W Wilkinson
BACKGROUND: T-cell checkpoint blockade and MEK inhibitor combinations are under clinical investigation. Despite progress elucidating the immuno-modulatory effects of MEK inhibitors as standalone therapies, the impact of MEK inhibition on the activity of T-cell checkpoint inhibitors remains incompletely understood. Here we sought to characterize the combined effects of MEK inhibition and anti-CTLA-4 mAb (anti-CTLA-4) therapy, examining effects on both T-cells and tumor microenvironment (TME)...
August 15, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28796785/low-renal-but-high-extrarenal-phenotype-variability-in-schimke-immuno-osseous-dysplasia
#4
Beata S Lipska-Ziętkiewicz, Jutta Gellermann, Olivia Boyer, Olivier Gribouval, Szymon Ziętkiewicz, Jameela A Kari, Mohamed A Shalaby, Fatih Ozaltin, Jiri Dusek, Anette Melk, Aysun K Bayazit, Laura Massella, Lidia Hyla-Klekot, Sandra Habbig, Astrid Godron, Maria Szczepańska, Beata Bieniaś, Dorota Drożdż, Rasha Odeh, Wioletta Jarmużek, Katarzyna Zachwieja, Agnes Trautmann, Corinne Antignac, Franz Schaefer
Schimke immuno-osseous dysplasia (SIOD) is a rare multisystem disorder with early mortality and steroid-resistant nephrotic syndrome (SRNS) progressing to end-stage kidney disease. We hypothesized that next-generation gene panel sequencing may unsurface oligosymptomatic cases of SIOD with potentially milder disease courses. We analyzed the renal and extrarenal phenotypic spectrum and genotype-phenotype associations in 34 patients from 28 families, the largest SMARCAL1-associated nephropathy cohort to date. In 11 patients the diagnosis was made unsuspectedly through SRNS gene panel testing...
2017: PloS One
https://www.readbyqxmd.com/read/28794031/combinatorial-effects-of-the-glucocorticoid-receptor-and-kr%C3%A3-ppel-like-transcription-factor-15-on-bovine-herpesvirus-1-transcription-and-productive-infection
#5
Fouad S El-Mayet, Laximan Sawant, Prasanth Thunuguntla, Clinton Jones
Bovine herpesvirus 1 (BoHV-1), an important bovine pathogen, establishes life-long latency in sensory neurons. Latently infected calves consistently reactivate from latency following a single intravenous injection of the synthetic corticosteroid dexamethasone. The immediate early transcription unit 1 (IEtu1) promoter, which drives bICP0 and bICP4 expression, is stimulated by dexamethasone because it contains two glucocorticoid receptor (GR) response elements (GREs). Several Krüppel-like transcription factors (KLF), including KLF15, are induced during reactivation from latency and they stimulate certain viral promoters and productive infection...
August 9, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28780905/virome-comparisons-in-wild-diseased-and-healthy-captive-giant-pandas
#6
Wen Zhang, Shixing Yang, Tongling Shan, Rong Hou, Zhijian Liu, Wang Li, Lianghua Guo, Yan Wang, Peng Chen, Xiaochun Wang, Feifei Feng, Hua Wang, Chao Chen, Quan Shen, Chenglin Zhou, Xiuguo Hua, Li Cui, Xutao Deng, Zhihe Zhang, Dunwu Qi, Eric Delwart
BACKGROUND: The giant panda (Ailuropoda melanoleuca) is a vulnerable mammal herbivore living wild in central China. Viral infections have become a potential threat to the health of these endangered animals, but limited information related to these infections is available. METHODS: Using a viral metagenomic approach, we surveyed viruses in the feces, nasopharyngeal secretions, blood, and different tissues from a wild giant panda that died from an unknown disease, a healthy wild giant panda, and 46 healthy captive animals...
August 7, 2017: Microbiome
https://www.readbyqxmd.com/read/28770252/first-report-of-lily-mottle-virus-on-lily-lilium-sp-in-southern-india
#7
R Aravintharaj, C G Balaji, K Nagendran, R Priyanka, G Karthikeyan
Lily samples collected from commercial cut flower growing field at Nilgiris, Tamil Nadu, India were serologically tested through direct antigen coating-ELISA and dot immuno binding assay for the infection of potyvirus through potyvirus group specific polyclonal antibody. The RT-PCR using potyvirus universal degenerate primers (PNIbF1/PCPR1) showed the presence of a potyvirus and the sequencing results showed the association of lily mottle virus (LMoV). Further LMoV was confirmed by RT-PCR amplification using newly designed primer pair covering entire coat protein gene and sequence results showed 100% nucleotide identity with the LMoV reported from South Korean...
June 2017: Virusdisease
https://www.readbyqxmd.com/read/28761459/molecular-detection-and-genotyping-of-toxoplasma-gondii-in-chicken-beef-and-lamb-meat-consumed-in-northwestern-iran
#8
Mahmoud Mahami-Oskouei, Mohammad Moradi, Esmaeil Fallah, Faezeh Hamidi, Najibeh Asl Rahnamaye Akbari
BACKGROUND: Toxoplasma gondii, the obligate, intracellular parasite afflicts human in diverse ways such as ingestion of tissue cysts in undercooked meat. The aim of this study was to assess the prevalence and genotyping of Toxoplasma isolated from meat samples being consumed in East Azerbaijan, Northwest of Iran. METHODS: Overall, 150 samples including chicken, beef and lamb meat were collected from retailers in different regions of Tabriz, northwestern Iran during April to September 2014...
January 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28748640/expression-of-nad-p-h-quinone-dehydrogenase-1-nqo1-is-increased-in-the-endometrium-of-women-with-endometrial-cancer-and-women-with-polycystic-ovary-syndrome
#9
William Atiomo, Mohamad Nasir Shafiee, Caroline Chapman, Veronika M Metzler, Jad Abouzeid, Ayşe Latif, Amy Chadwick, Sarah Kitson, Vanitha N Sivalingam, Ian J Stratford, Catrin S Rutland, Jenny L Persson, Niels Ødum, Pablo Fuentes-Utrillia, Jennie N Jeyapalan, David M Heery, Emma J Crosbie, Nigel P Mongan
OBJECTIVE: Women with a prior history of polycystic ovary syndrome (PCOS) have an increased risk of endometrial cancer (EC). AIM: To investigate whether the endometrium of women with PCOS possess gene expression changes similar to those found in EC. DESIGN AND METHODS: Patients with EC, PCOS and control women unaffected by either PCOS or EC were recruited into a cross-sectional study at the Nottingham University Hospital, UK. For RNA sequencing, representative individual endometrial biopsies were obtained from women with EC, PCOS and a woman unaffected by PCOS or EC...
July 27, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28747667/rna-sequencing-reveals-resistance-of-tlr4-ligand-activated-microglial-cells-to-inflammation-mediated-by-the-selective-jumonji-h3k27-demethylase-inhibitor
#10
Amitabh Das, Sarder Arifuzzaman, Taeho Yoon, Sun Hwa Kim, Jin Choul Chai, Young Seek Lee, Kyoung Hwa Jung, Young Gyu Chai
Persistent microglial activation is associated with the production and secretion of various pro-inflammatory genes, cytokines and chemokines, which may initiate or amplify neurodegenerative diseases. A novel synthetic histone 3 lysine 27 (H3K27) demethylase JMJD3 inhibitor, GSK-J4, was proven to exert immunosuppressive activities in macrophages. However, a genome-wide search for GSK-J4 molecular targets has not been undertaken in microglia. To study the immuno-modulatory effects of GSK-J4 at the transcriptomic level, triplicate RNA sequencing and quantitative real-time PCR analyses were performed with resting, GSK-J4-, LPS- and LPS + GSK-J4-challenged primary microglial (PM) and BV-2 microglial cells...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28734763/uncleaved-2a-peptide-of-foot-and-mouth-disease-virus-can-display-foreign-epitope-tag-at-the-virion-surface
#11
Jitendra K Biswal, Saravanan Subramaniam, Rajeev Ranjan, Bramhadev Pattnaik
Foot-and-mouth disease virus (FMDV) capsid precursor protein P1-2A is cleaved by viral-encoded 3C protease (3C(pro)) to generate VP0, VP3, VP1 and 2A proteins. It was reported earlier that substitution of a single amino acid residue within the 2A peptide sequence (L2P) blocked the 3C(pro) mediated VP1/2A cleavage and produced 'self-tagged' FMDV particles containing uncleaved 2A-peptide. To determine whether the uncleaved 2A-peptide can function as a target structure to harbour and display exogenous epitope on FMDV particles, a full-length FMDV cDNA clone containing a HA-tag within the uncleaved 2A-peptide sequence was constructed...
July 19, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28732364/a-novel-heterozygous-germline-deletion-in-msh2-gene-in-a-five-generation-chinese-family-with-lynch-syndrome
#12
Bin Wu, Wuyang Ji, Shengran Liang, Chao Ling, Yan You, Lai Xu, Min-Er Zhong, Yi Xiao, Hui-Zhong Qiu, Jun-Yang Lu, Santasree Banerjee
Lynch syndrome (LS) is one of the most common familial forms of colorectal cancer predisposing syndrome with an autosomal dominant mode of inheritance. LS is caused by the germline mutations in DNA mismatch repair (MMR) genes including MSH2, MLH1, MSH6and PMS2. Clinically, LS is characterized by high incidence of early-onset colorectal cancer as well as endometrial, small intestinal and urinary tract cancers, usually occur in the third to fourth decade of the life. Here we describe a five generation Chinese family with LS clinically diagnosed according to the Amsterdam II criteria...
July 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28724556/performance-assessment-of-a-trypanosoma-cruzi-chimeric-antigen-in-multiplex-liquid-microarray-assays
#13
Fred Luciano Neves Santos, Paola Alejandra Fiorani Celedon, Nilson Ivo Tonin Zanchin, Amanda Leitolis, Sandra Crestani, Leonardo Foti, Wayner Vieira de Souza, Yara de Miranda Gomes, Marco Aurélio Krieger
Diagnosing chronic Chagas disease (CD) requires antibody--antigen detection methods, traditionally based on enzymatic assay techniques whose performance depend on the type and quality of antigen used. Previously, 4 recombinant chimeric proteins from Instituto de Biologia Molecular do Paraná (IBMP-8.1 to -8.4) comprising immuno-dominant regions of diverse Trypanosoma cruzi antigens showed excellent diagnostic performance in enzyme-linked immunosorbent assays. Considering that next-generation platforms offer improved CD diagnostic accuracy with different T...
July 19, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28714133/tilted-pillar-array-fabrication-by-the-combination-of-proton-beam-writing-and-soft-lithography-for-microfluidic-cell-capture-part-2-image-sequence-analysis-based-evaluation-and-biological-application
#14
Gabor Járvás, Tamas Varga, Marton G Szigeti, Laszlo Hajba, Peter Fürjes, Istvan Rajta, Andras Guttman
As a continuation of our previously published work, this paper presents a detailed evaluation of a microfabricated cell capture device utilizing a doubly tilted micropillar array. The device was fabricated using a novel hybrid technology based on the combination of proton beam writing and conventional lithography techniques. Tilted pillars offer unique flow characteristics and support enhanced fluidic interaction for improved immuno-affinity based cell capture. The performance of the microdevice was evaluated by an image sequence analysis based in-house developed single cell tracking system...
July 17, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28691191/divergence-of-a-tandem-duplication-of-manganese-superoxide-dismutase-in-nosema-bombycis
#15
Ying Wang, Ruizhi Zhang, Jonas Barandun, Huihui Du, Deming Chen, Yuping Jia, Yue Song, Bettina Vossbrinck, Chong Li, Zeyang Zhou, Charles R Vossbrinck, Heng Xiang
Manganese superoxide dismutase (MnSOD) is a key enzyme in the protection of cells from oxidative stress. A tandem duplication of the MnSOD gene (NbMnSOD1 and NbMnSOD2) in the genome of Nosema bombycis, a parasite of the silkworm Bombyx mori, was previously identified. Here, we compare the protein structures of NbMnSOD1 and NbMnSOD2 and characterize these two proteins in terms of cellular localization, timing of transcription, protein structure, and enzyme activity. Despite a similarity in the primary sequence of NbMnSOD1 and NbMnSOD2, the latter shows a remarkable degree of amino acid sequence difference on the protein's surface and in the active site, where there is a substitution of a phenylalanine for a histidine in NbMnSOD2...
July 10, 2017: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/28671728/clonality-analysis-of-synchronous-gastroesophageal-junction-carcinoma-and-distal-gastric-cancer-by-whole-exome-sequencing
#16
Xiaofang Xing, Shuqin Jia, Jianmin Wu, Qin Feng, Bin Dong, Bo Li, Yongning Jia, Fei Shan, Ying'ai Li, Yan Zhang, Ying Hu, Xiaodong Wang, Xiangtao Liu, Shiwei Yu, Lianhai Zhang, Zhaode Bu, Aiwen Wu, Ziyu Li, Jiafu Ji
Gastroesophageal junction (GEJ) carcinoma and distal gastric cancer (GC) have distinct epidemiology and clinical features and their relationship is uncertain. Synchronous multiple gastric cancers located mostly at proximal and distal sites provide rare specimens for investigating the comprehensive genomic relationships among these cancers in the context of identical genetic circumstances. Formalin-fixed, paraffin-embedded (FFPE) samples from 12 patients with synchronous GEJ carcinoma and distal GC were collected in this study...
July 3, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28669815/immuno-proteomic-discovery-of-tumor-tissue-autoantigens-identifies-olfactomedin-4-cd11b-and-integrin-alpha-2-as-markers-of-colorectal-cancer-with-liver-metastases
#17
Qian Yang, Prashant Bavi, Julia Y Wang, Michael H Roehrl
Late-stage colorectal cancer with liver metastasis is common and affords poor prognosis, yet there is a dearth of reliable biomarkers. Cancer is often characterized by an increase in serologic autoantibodies. Hence, we embarked on an immuno-proteomic strategy by using autoantibodies to discover antigens in tumor tissue as potential cancer markers. Matched sets of tissues from primary colon cancer, liver metastases, and adjacent benign tissues were obtained from colon cancer patients. Tissue proteins were extracted, and autoantigens were uncovered by immunoblotting with autoantibodies and sequenced by mass spectrometry...
June 29, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28665052/discovery-of-breast-putative-cancer-antigens-using-an-integrative-platform-of-genomics-driven-immunoproteomics
#18
Veneta Qendro, Deborah H Lundgren, Samuel Palczewski, Poornima Hegde, Christina Stevenson, Laurie Perpetua, Ardian Latifi, Jesse Merriman, Grace Bugos, David K Han
Recent advances in cancer immuno-therapeutics such as checkpoint inhibitors, chimeric antigen-receptor T cells, and tumor infiltrating T cells (TIL) are now significantly impacting cancer patients in a positive manner. Although very promising, reports indicate no more than 25% of cases result in complete remission. One of the limitations of these treatments is the identity of putative cancer antigens in each patient as it is technically challenging to identify of cancer antigens in a rapid fashion. Thus, identification of cancer antigens followed by targeted treatment will increase the efficacy of cancer immunotherapies...
June 30, 2017: Proteomics
https://www.readbyqxmd.com/read/28627474/sox9-positive-periosteal-cells-in-fracture-repair-of-the-adult-mammalian-long-bone
#19
Xinjun He, Sofia Bougioukli, Brandon Ortega, Eric Arevalo, Jay R Lieberman, Andrew P McMahon
INTRODUCTION: The phases of fracture healing have been well characterized. However, the exact source and genetic profile of the skeletal progenitors that participate in bone repair is somewhat unclear. Sox9 expression in skeletal elements precedes bone and cartilage formation and a Sox9(+) cell type is retained in the adult periosteum. We hypothesized that Sox9(+) periosteal cells are multipotent skeletal progenitors normally participating in fracture repair. METHODS: To test this hypothesis we used tamoxifen (TM)-mediated lineage tracing of Sox9(+) cells in Sox9CreErt2:Td-Tomato mice...
June 13, 2017: Bone
https://www.readbyqxmd.com/read/28622862/identification-of-lawsonia-intracellularis-putative-hemolysin-protein-a-and-characterization-of-its-immunoreactivity
#20
Jehyung Kim, Gayeon Won, Suyeon Park, John Hwa Lee
Despite the recent global increase in fatal endemic outbreaks of proliferative enteropathy (PE) caused by the obligate intracellular bacterium Lawsonia intracelluralis (LI) in the swine industry, development of effective prevention strategies or immunodiagnostic tests has been delayed due to the difficulty of cultivating this pathogen in vitro. Although several genetic analyses have been performed at the level of gene transcription after the complete genome sequence of LI was made available, the mechanism of LI infection and virulence genes remain unidentified...
June 2017: Veterinary Microbiology
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