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https://www.readbyqxmd.com/read/29440749/publisher-correction-epha2-is-an-epithelial-cell-pattern-recognition-receptor-for-fungal-%C3%AE-glucans
#1
Marc Swidergall, Norma V Solis, Michail S Lionakis, Scott G Filler
In the version of this Article originally published, technical problems led to errors in Figs. 2d and 5b. In the western blot panel in Fig. 2d, actin bands were misaligned at the bottom of the image and did not line up with the other bands in the panel; the corrected figure is shown below. In Fig. 5b, the upper right panel had an incorrect title of 'CXCL3/KC'; it should have instead been 'CXCL1/KC'. These errors have now been corrected in all versions of the Article.
February 13, 2018: Nature Microbiology
https://www.readbyqxmd.com/read/29288512/pretreatment-of-probiotic-bifico-ameliorates-colitis-associated-cancer-in-mice-transcriptome-and-gut-flora-profiling
#2
Huan Song, Weiyi Wang, Bo Shen, Hao Jia, Zhaoyuan Hou, Ping Chen, Yunwei Sun
Individuals with inflammatory bowel disease (IBD) are at a high risk for developing colitis-associated cancer (CAC). Strategies to block the process from IBD to CAC should be considered. In the experiment, we aim to explore the chemopreventive efficacy of the probiotic cocktail Bifico and its potential mechanism in azoxymethane (AOM) and dextran sodium sulphate (DSS) induced colitis-associated cancer in mice. Oral pretreatment of Bifico was adopted to evaluate its protective effect. The colorectums of thirty-five C57BL/6 mice were collected and examined for degree of inflammation and tumorigenesis...
December 30, 2017: Cancer Science
https://www.readbyqxmd.com/read/29276973/molecular-and-functional-characterization-of-tumor-induced-factor-tif-hamster-homolog-of-cxcl3-gro%C3%AE-displays-tumor-suppressive-activity
#3
Lili Jin, Zhou-Fang Li, Da-Kui Wang, Meina Sun, Wei Qi, Qiang Ma, Li Zhang, Chun Chu, Elaine Y M Chan, Susanna S T Lee, Helen Wise, Ka-Fai To, Ying Shi, Naiming Zhou, Wing-Tai Cheung
Previously our lab has created a mouse ovarian xenograft model of copy number variation (CNV)-mediated G protein-coupled receptor (GPCR) MAS-driven tumorigenesis, and RNA profiling identified a putative chemokine tumor-induced factor (Tif). Sequence analysis and chemotactic study suggested that Tif was likely to be a hamster homolog of human GROγ (CXCL3) [IJC 125 (2009): 1316-1327]. In the present study, we report the molecular and functional characterization of the Tif gene. Genomic study of CHO-K1 cells indicated that Tif gene consisted of 4 exons, characterized with an antisense B1 element which is embedded in the fourth exon...
December 22, 2017: Cytokine
https://www.readbyqxmd.com/read/29209625/prediction-and-validation-of-hub-genes-associated-with-colorectal-cancer-by-integrating-ppi-network-and-gene-expression-data
#4
Yongfu Xiong, Wenxian You, Rong Wang, Linglong Peng, Zhongxue Fu
Although hundreds of colorectal cancer- (CRC-) related genes have been screened, the significant hub genes still need to be further identified. The aim of this study was to identify the hub genes based on protein-protein interaction network and uncover their clinical value. Firstly, 645 CRC patients' data from the Tumor Cancer Genome Atlas were downloaded and analyzed to screen the differential expression genes (DEGs). And then, the Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis was performed, and PPI network of the DEGs was constructed by Cytoscape software...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29193293/functional-antagonism-of-sphingosine-1-phosphate-receptor-1-prevents-cuprizone-induced-demyelination
#5
SunJa Kim, Jacek Bielawski, Hyunmin Yang, Yu Kong, Beiyan Zhou, Jianrong Li
Recent evidence suggests that the oral drug Fingolimod (FTY720) for relapsing-remitting multiple sclerosis (MS) may act directly on the central nervous system (CNS) and modulate disease pathogenesis and progression in experimental models of MS. However, the specific subtype of sphingosine-1-phosphate (S1P) receptors that mediates the effect of FTY720 on the CNS cells has not been fully elucidated. Here, we report that S1P receptor 1 (S1PR1) is elevated in reactive astrocytes in an autoimmunity independent mouse model of MS and that selective S1PR1 modulation is sufficient to ameliorate the loss of oligodendrocytes and demyelination...
November 29, 2017: Glia
https://www.readbyqxmd.com/read/29191223/resistin-upregulates-chemokine-production-by-fibroblast-like-synoviocytes-from-patients-with-rheumatoid-arthritis
#6
Hiroshi Sato, Sei Muraoka, Natsuko Kusunoki, Shotaro Masuoka, Soichi Yamada, Hideaki Ogasawara, Toshio Imai, Yoshikiyo Akasaka, Naobumi Tochigi, Hiroshi Takahashi, Kazuaki Tsuchiya, Shinichi Kawai, Toshihiro Nanki
BACKGROUND: Adipokines are bioactive hormones secreted by adipose tissues. Resistin, an adipokine, plays important roles in the regulation of insulin resistance and inflammation. Resistin levels are known to be increased in the serum and synovial fluid of rheumatoid arthritis (RA) patients. However, the pathogenic role of resistin in RA has not yet been elucidated. METHODS: The expression of resistin and adenylate cyclase-associated protein 1 (CAP1), a receptor for resistin, was examined immunohistochemically in synovial tissue...
December 1, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29128220/identification-of-potential-embryokines-in-the-bovine-reproductive-tract
#7
P Tríbulo, L G B Siqueira, L J Oliveira, T Scheffler, P J Hansen
Knowledge of the molecules used by the maternal reproductive tract to regulate development of the preimplantation embryo is largely incomplete. The goal of the present experiment was to identify candidates for this function. The approach was to assess expression patterns in the endometrium and oviduct of 93 genes encoding for hormones, growth factors, chemokines, cytokines, and WNT-related molecules. Results show that all of the genes were expressed in the reproductive tract. Expression in oviduct was affected by day of the estrous cycle for 21 genes with 11 genes having highest expression at estrus (CCL21, CTGF, CXCL10, CXCL16, DKK3, FGF10, IL18, IL33, IL34, PGF, and SFRP2), one gene at d 3 (WNT4), 8 at d 5 (BMP7, HGF, IL6, SFRP1, TGFB1, WIF1, WNT2, and WNT5A), and one at d 7 (IK)...
November 8, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28989790/mechanistic-insights-into-molecular-evolution-of-species-specific-differential-glycosaminoglycan-binding-surfaces-in-growth-related-oncogene-chemokines
#8
Khushboo Gulati, Minal Jamsandekar, Krishna Mohan Poluri
Chemokines are chemotactic cytokines involved in leucocyte trafficking to infected tissue. Growth-related oncogene (GRO) chemokines namely CXCL1, CXCL2 and CXCL3 are neutrophil activating chemokines sharing a conserved three-dimensional structure, but encompassing functional diversity due to gene duplication and evolutionary events. However, the evolutionary mechanisms including selection pressures involved in diversification of GRO genes have not yet been characterized. Here, we performed comprehensive evolutionary analysis of GRO genes among different mammalian species...
September 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28977039/host-transcriptional-responses-following-ex-vivo-re-challenge-with-mycobacterium-tuberculosis-vary-with-disease-status
#9
Elaine A Yu, Serene H John, Elizabeth C Tablante, Christine A King, John Kenneth, David G Russell, Saurabh Mehta
The identification of immune correlates that are predictive of disease outcome for tuberculosis remains an ongoing challenge. To address this issue, we evaluated gene expression profiles from peripheral blood mononuclear cells following ex vivo challenge with Mycobacterium tuberculosis, among participants with active TB disease (ATBD, n = 10), latent TB infection (LTBI, n = 10), and previous active TB disease (after successful treatment; PTBD, n = 10), relative to controls (n = 10). Differential gene expression profiles were assessed by suppression-subtractive hybridization, dot blot, real-time polymerase chain reaction, and the comparative cycle threshold methods...
2017: PloS One
https://www.readbyqxmd.com/read/28933920/multi-tissue-transcriptomics-delineates-the-diversity-of-airway-t-cell-functions-in-asthma
#10
Akul Singhania, Joshua C Wallington, Caroline G Smith, Daniel Horowitz, Karl J Staples, Peter H Howarth, Stephan D Gadola, Ratko Djukanović, Christopher H Woelk, Timothy Sc Hinks
Asthma arises from the complex interplay of inflammatory pathways in diverse cell types and tissues. We sought to undertake a comprehensive transcriptomic assessment of the epithelium and airway T cells that remain understudied in asthma, and investigate interactions between multiple cells and tissues. Epithelial brushings and flow-sorted CD3+ T cells from sputum and bronchoalveolar lavage were obtained from healthy subjects (N=19) and asthmatic patients (mild, moderate and severe asthma; N=46). Gene expression was assessed using Affymetrix HT HG-U133+ PM GeneChips and results were validated by real-time quantitative PCR...
September 21, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28928065/molecular-cloning-and-biophysical-characterization-of-cxcl3-chemokine
#11
Khushboo Gulati, Krishnakant Gangele, Nipanshu Agarwal, Minal Jamsandekar, Dinesh Kumar, Krishna Mohan Poluri
CXCL3 is a neutrophil activating chemokine that belongs to GRO subfamily of CXC chemokines. GRO chemokine family comprises of three chemokines GRO α (CXCL1), GROβ (CXCL2), and GRO γ (CXCL3), which arose as a result of gene duplication events during the course of chemokine evolution. Although primary sequences of GRO chemokines are highly similar, they performs several protein specific functions in addition to their common property of neutrophil trafficking. However, the molecular basis for their differential functions has not well understood...
February 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28881574/prevention-of-colitis-associated-cancer-by-selective-targeting-of-immunoproteasome-subunit-lmp7
#12
Niyati Vachharajani, Thorsten Joeris, Maik Luu, Sabrina Hartmann, Sabine Pautz, Elena Jenike, Georgios Pantazis, Immo Prinz, Markus J Hofer, Ulrich Steinhoff, Alexander Visekruna
Chronic inflammation is a well-known risk factor in development of intestinal tumorigenesis, although the exact mechanisms underlying development of colitis-associated cancer (CAC) still remain obscure. The activity and function of immunoproteasome has been extensively analyzed in the context of inflammation and infectious diseases. Here, we show that the proteasomal immunosubunit LMP7 plays an essential role in development of CAC. Mice devoid of LMP7 were resistant to chronic inflammation and formation of neoplasia, and developed virtually no tumors after AOM/DSS treatment...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28874747/transcriptome-analysis-of-inflammation-related-gene-expression-in-endothelial-cells-activated-by-complement-masp-1
#13
Endre Schwaner, Zsuzsanna Németh, Péter K Jani, Erika Kajdácsi, Márta L Debreczeni, Zoltán Doleschall, József Dobó, Péter Gál, János Rigó, Kinga András, Tamás Hegedűs, László Cervenak
Mannan-binding lectin-associated serine protease 1 (MASP-1), the most abundant enzyme of the complement lectin pathway, is able to stimulate human umbilical vein endothelial cells (HUVECs) to alter the expression of several cytokines and adhesion molecules. This study has assessed to what extent MASP-1 is able to modify the transcriptional pattern of inflammation-related (IR) genes in HUVECs. We utilized Agilent microarray to analyse the effects of recombinant MASP-1 (rMASP-1) in HUVECs, on a set of 884 IR genes...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28842479/tnf-%C3%AE-promotes-nuclear-enrichment-of-the-transcription-factor-tonebp-nfat5-to-selectively-control-inflammatory-but-not-osmoregulatory-responses-in-nucleus-pulposus-cells
#14
Zariel I Johnson, Alexandra C Doolittle, Joseph W Snuggs, Irving M Shapiro, Christine L Le Maitre, Makarand V Risbud
Intervertebral disc degeneration (IDD) causes chronic back pain and is linked to production of proinflammatory molecules by nucleus pulposus (NP) and other disc cells. Activation of tonicity-responsive enhancer-binding protein (TonEBP)/NFAT5 by non-osmotic stimuli, including proinflammatory molecules, occurs in cells involved in immune response. However, whether inflammatory stimuli activate TonEBP in NP cells and whether TonEBP controls inflammation during IDD is unknown. We show that TNF-α, but not IL-1β or LPS, promoted nuclear enrichment of TonEBP protein...
October 20, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28736425/cd133-regulates-il-1%C3%AE-signaling-and-neutrophil-recruitment-in-glioblastoma
#15
Seon Yong Lee, Jun-Kyum Kim, Hee-Young Jeon, Seok Won Ham, Hyunggee Kim
CD133, a pentaspan transmembrane glycoprotein, is generally used as a cancer stem cell marker in various human malignancies, but its biological function in cancer cells, especially in glioma cells, is largely unknown. Here, we demonstrated that forced expression of CD133 increases the expression of IL-1β and its downstream chemokines, namely, CCL3, CXCL3 and CXCL5, in U87MG glioma cells. Although there were no apparent changes in cell growth and sphere formation in vitro and tumor growth in vivo, in vitro trans-well studies and in vivo tumor xenograft assays showed that neutrophil recruitment was markedly increased by the ectopic expression of CD133...
July 31, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28708839/tumor-necrosis-factor-dynamically-regulates-the-mrna-stabilome-in-rheumatoid-arthritis-fibroblast-like-synoviocytes
#16
Konstantinos Loupasakis, David Kuo, Upneet K Sokhi, Christopher Sohn, Bethany Syracuse, Eugenia G Giannopoulou, Sung Ho Park, Hyelim Kang, Gunnar Rätsch, Lionel B Ivashkiv, George D Kalliolias
During rheumatoid arthritis (RA), Tumor Necrosis Factor (TNF) activates fibroblast-like synoviocytes (FLS) inducing in a temporal order a constellation of genes, which perpetuate synovial inflammation. Although the molecular mechanisms regulating TNF-induced transcription are well characterized, little is known about the impact of mRNA stability on gene expression and the impact of TNF on decay rates of mRNA transcripts in FLS. To address these issues we performed RNA sequencing and genome-wide analysis of the mRNA stabilome in RA FLS...
2017: PloS One
https://www.readbyqxmd.com/read/28680854/bovine-endometrial-epithelial-cells-scale-their-pro-inflammatory-response-in-vitro-to-pathogenic-trueperella-pyogenes-isolated-from-the-bovine-uterus-in-a-strain-specific-manner
#17
Mohammad Ibrahim, Sarah Peter, Karen Wagener, Marc Drillich, Monika Ehling-Schulz, Ralf Einspanier, Christoph Gabler
Among different bacteria colonizing the bovine uterus, Trueperella pyogenes is found to be associated with clinical endometritis (CE). The ability of cows to defend against T. pyogenes infections depends on the virulence of invading bacteria and on the host's innate immunity. Therefore, to gain insights into bacterial factors contributing to the interplay of this host pathogen, two strains of T. pyogenes were included in this study: one strain (TP2) was isolated from the uterus of a postpartum dairy cow developing CE and a second strain (TP5) was isolated from a uterus of a healthy cow...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28626076/cardiac-fibroblast-transcriptome-analyses-support-a-role-for-interferogenic-profibrotic-and-inflammatory-genes-in-anti-ssa-ro-associated-congenital-heart-block
#18
Robert M Clancy, Androo J Markham, Tanisha Jackson, Sara E Rasmussen, Miroslav Blumenberg, Jill P Buyon
The signature lesion of SSA/Ro autoantibody-associated congenital heart block (CHB) is fibrosis and a macrophage infiltrate, supporting an experimental focus on cues influencing the fibroblast component. The transcriptomes of human fetal cardiac fibroblasts were analyzed using two complementary approaches. Cardiac injury conditions were simulated in vitro by incubating human fetal cardiac fibroblasts with supernatants from macrophages transfected with the SSA/Ro-associated noncoding Y ssRNA. The top 10 upregulated transcripts in the stimulated fibroblasts reflected a type I interferon (IFN) response [e...
September 1, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28546923/homocysteine-mediates-transcriptional-changes-of-the-inflammatory-pathway-signature-genes-in-human-retinal-pigment-epithelial-cells
#19
Mahavir Singh, Suresh C Tyagi
AIM: To test whether homocysteine (Hcy) can influence the transcriptional profile, we hypothesized that Hcy can lead to the induction of proinflammatory molecules in the retinal cells of aging people. METHODS: An unbiased in vitro inflammatory pathway focused study was designed employing retinal pigment epithelial (RPE) cell line, ARPE-19. Cells were cultured in the presence or absence of Hcy to capture target genes' expression profile. Three different concentrations of Hcy were added in the culture medium of confluent monolayers...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28533735/esm-1-sirna-knockdown-decreased-migration-and-expression-of-cxcl3-in-prostate-cancer-cells
#20
Juan Rebollo, Jan Geliebter, Niradiz Reyes
Endothelial cell-specific molecule-1 (ESM-1), also known as endocan, is a soluble proteoglycan expressed by the vascular endothelium, which also circulates in the bloodstream. Inflammatory cytokines and proangiogenic growth factors increase its expression, and increased serum levels have been reported in several cancer types and immunocompetent patients with sepsis. The aim of this study was to analyze the expression profile of CXC-chemokines and the effects of ESM-1 gene knockdown in proliferation, migration and CXC-chemokine expression in highly metastatic human prostate PC-3 cells...
March 2017: International Journal of Biomedical Science: IJBS
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