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Displaying Results 1 - 9 of 9 on page 1 of 1
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Analysis of IFT74 as a candidate gene for chromosome 9p-linked ALS-FTD.
(2006)
Momeni, Parastoo; Schymick, Jennifer; Jain, Shushant; Cookson, Mark R; Cairns, Nigel J;...
Analysis of IFT74 as a candidate gene for chromosome 9p-linked ALS-FTD.
(2006)
Momeni, Parastoo; Schymick, Jennifer; Jain, Shushant; Cookson, Mark R; Cairns, Nigel J; Greggio, Elisa; Greenway, Matthew J; Berger, Stephen; Pickering-Brown, Stuart; Chiò, Adriano; Fung, Hon C; Holtzman, David M; Huey, Edward D; Wassermann, Eric M; Adamson, Jennifer; Hutton, Michael L; Rogaeva, Ekaterina; St George-Hyslop, Peter; Rothstein, Jeffrey D; Hardiman, Orla
Abstract:
<p>This article is also available from <a href="http://www.biomedcentral.com">www.biomedcentral.com</a></p>
<p>BACKGROUND: A new locus for amyotrophic lateral sclerosis--frontotemporal dementia (ALS-FTD) has recently been ascribed to chromosome 9p.</p> <p>METHODS: We identified chromosome 9p segregating haplotypes within two families with ALS-FTD (F476 and F2) and undertook mutational screening of candidate genes within this locus.</p> <p>RESULTS: Candidate gene sequencing at this locus revealed the presence of a disease segregating stop mutation (Q342X) in the intraflagellar transport 74 (IFT74) gene in family 476 (F476), but no mutation was detected within IFT74 in family 2 (F2). While neither family was sufficiently informative to definitively implicate or exclude IFT74 mutations as a cause of chromosome 9-linked ALS-FTD, the nature of the mutation observed within F476 (predicted to truncate the protein by 258 am...
https://epubs.rcsi.ie/clinneursciart/2
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Expanding the substantial interactome of NEMO using protein microarrays.
(2010)
Fenner, Beau J; Scannell, Michael; Prehn, Jochen H M
Expanding the substantial interactome of NEMO using protein microarrays.
(2010)
Fenner, Beau J; Scannell, Michael; Prehn, Jochen H M
Abstract:
<p>This article is also available at http://www.plosone.org</p>
<p>Signal transduction by the NF-kappaB pathway is a key regulator of a host of cellular responses to extracellular and intracellular messages. The NEMO adaptor protein lies at the top of this pathway and serves as a molecular conduit, connecting signals transmitted from upstream sensors to the downstream NF-kappaB transcription factor and subsequent gene activation. The position of NEMO within this pathway makes it an attractive target from which to search for new proteins that link NF-kappaB signaling to additional pathways and upstream effectors. In this work, we have used protein microarrays to identify novel NEMO interactors. A total of 112 protein interactors were identified, with the most statistically significant hit being the canonical NEMO interactor IKKbeta, with IKKalpha also being identified. Of the novel interactors, more than 30% were kinases, while at least 25% were involved in sign...
https://epubs.rcsi.ie/physiolart/10
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Inosine Can Increase DNA′s Susceptibility to Photo‐oxidation by a RuII Complex due to Structural Change in the Minor Groove
(2020)
Keane, Páraic M.; Hall, James P.; Poynton, Fergus E.; Quinn, Susan J.; et al.
Inosine Can Increase DNA′s Susceptibility to Photo‐oxidation by a RuII Complex due to Structural Change in the Minor Groove
(2020)
Keane, Páraic M.; Hall, James P.; Poynton, Fergus E.; Quinn, Susan J.; et al.
Abstract:
Weinheim Key to the development of DNA-targeting phototherapeutic drugs is determining the interplay between the photoactivity of the drug and its binding preference for a target sequence. For the photo-oxidising lambda-[Ru(TAP)2(dppz)]2+ (Λ-1) (dppz=dipyridophenazine) complex bound to either d{T1C2G3G4C5G6C7C8G9A10}2 (G9) or d{TCGGCGCCIA}2 (I9), the X-ray crystal structures show the dppz intercalated at the terminal T1C2;G9A10 step or T1C2;I9A10 step. Thus substitution of the G9 nucleobase by inosine does not affect intercalation in the solid state although with I9 the dppz is more deeply inserted. In solution it is found that the extent of guanine photo-oxidation, and the rate of back electron-transfer, as determined by pico- and nanosecond time-resolved infrared and transient visible absorption spectroscopy, is enhanced in I9, despite it containing the less oxidisable inosine. This is attributed to the nature of the binding in the minor groove due to the absence of an NH2 group. ...
http://hdl.handle.net/10197/11614
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Interleukin-8 up-regulation by neutrophil elastase is mediated by MyD88/IRAK/TRAF-6 in human bronchial epithelium.
(2001)
Walsh, Deirdre E; Greene, Catherine M; Carroll, Tomás P; Taggart, Clifford C; Gallagher...
Interleukin-8 up-regulation by neutrophil elastase is mediated by MyD88/IRAK/TRAF-6 in human bronchial epithelium.
(2001)
Walsh, Deirdre E; Greene, Catherine M; Carroll, Tomás P; Taggart, Clifford C; Gallagher, Paula M; O'Neill, Shane J; McElvaney, Noel G
Abstract:
<p>The original article is available at <a href="http://www.jbc.org/content/276/38/35494.long">www.jbc.org</a></p>
<p>Cystic fibrosis is characterized in the lungs by neutrophil-dominated inflammation mediated significantly by neutrophil elastase (NE). Previous work has shown that NE induces interleukin-8 (IL-8) gene expression and protein secretion in bronchial epithelial cells. We sought to determine the intracellular mechanisms by which NE up-regulates IL-8 in bronchial epithelial cells. The data show that stimulation of 16HBE14o(-) cells with NE induced IL-8 protein production and gene expression. Both responses were abrogated by actinomycin D, indicating that regulation is at the transcriptional level. Electrophoretic mobility shift assays demonstrated that nuclear factor kappaB (NFkappaB) was activated in 16HBE14o(-) cells stimulated with NE. Western blot analysis demonstrated that activation of NFkappaB by NE was preceded by phospho...
https://epubs.rcsi.ie/medart/96
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Loss of the lupus autoantigen Ro52/Trim21 induces tissue inflammation and systemic autoimmunity by disregulating the IL-23-Th17 pathway.
(2009)
Espinosa, Alexander; Dardalhon, Valerie; Brauner, Susanna; Ambrosi, Aurelie; Higgs, Row...
Loss of the lupus autoantigen Ro52/Trim21 induces tissue inflammation and systemic autoimmunity by disregulating the IL-23-Th17 pathway.
(2009)
Espinosa, Alexander; Dardalhon, Valerie; Brauner, Susanna; Ambrosi, Aurelie; Higgs, Rowan; Quintana, Fransisco J; Sjöstrand, Maria; Eloranta, Maija-Leena; Ní Gabhann, Joan; Winqvist, Ola; Sundelin, Birgitta; Jefferies, Caroline A; Rozell, Björn; Kuchroo, Vijay K; Wahren-Herlenius, Marie
Abstract:
This article is also available at http://jem.rupress.org/content/206/8/1661.long
Ro52/Trim21 is targeted as an autoantigen in systemic lupus erythematosus and Sjögren's syndrome. Polymorphisms in the Ro52 gene have been linked to these autoimmune conditions, but the molecular mechanism by which Ro52 may promote development of systemic autoimmune diseases has not been explored. To address this issue, we generated Ro52-null mice (Ro52(-/-)), which appear phenotypically normal if left unmanipulated. However, Ro52(-/-) mice develop severe dermatitis extending from the site of tissue injury induced by ear tags. The affected mice further develop several signs of systemic lupus with hypergammaglobulinemia, autoantibodies to DNA, proteinuria, and kidney pathology. Ro52, which was recently identified as an E3 ligase, mediates ubiquitination of several members of the interferon regulatory factor (IRF) family, and the Ro52-deficient mice have an enhanced production of proinflammatory ...
https://epubs.rcsi.ie/mctart/26
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miR-CATCH: microRNA capture affinity technology.
(2015)
Vencken, Sebastian; Hassan, Tidi; McElvaney, Noel G; Smith, Stephen GJ; Greene, Catheri...
miR-CATCH: microRNA capture affinity technology.
(2015)
Vencken, Sebastian; Hassan, Tidi; McElvaney, Noel G; Smith, Stephen GJ; Greene, Catherine M
Abstract:
<p>The final publication is available at Springer via 10.1007/978-1-4939-1538-5_23<em></em></p>
<p>Several experimental methods exist to explore the microRNA (miRNA) regulome. These methods almost exclusively focus on multiple targets bound to a single, or perhaps a few miRNAs of interest. Here, we describe a microRNA capture affinity technology (miR-CATCH) which uses an affinity capture oligonucleotide to co-purify a single target messenger RNA (mRNA) together with all its endogenously bound miRNAs. This bench-top method is similar to RNA immunoprecipitation (RIP) and provides an experimental alternative to computational miRNA target prediction.</p>
https://epubs.rcsi.ie/medart/60
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Reversal of a Single Base-Pair Step Controls Guanine Photo-Oxidation by an Intercalating Ruthenium(II) Dipyridophenazine Complex
(2020)
Keane, Páraic M.; Poynton, Fergus E.; Hall, James P.; Quinn, Susan J.
Reversal of a Single Base-Pair Step Controls Guanine Photo-Oxidation by an Intercalating Ruthenium(II) Dipyridophenazine Complex
(2020)
Keane, Páraic M.; Poynton, Fergus E.; Hall, James P.; Quinn, Susan J.
Abstract:
Small changes in DNA sequence can often have major biological effects. Here the rates and yields of guanine photo-oxidation by Λ-[Ru(TAP)2(dppz)]2+ have been compared in 5′-{CCGGATCCGG}2 and 5′-{CCGGTACCGG}2 using pico/nanosecond transient visible and time-resolved IR (TRIR) spectroscopy. The inefficiency of electron transfer in the TA sequence is consistent with the 5′-TA-3′ versus 5′-AT-3′ binding preference predicted by X-ray crystallography. The TRIR spectra also reveal the differences in binding sites in the two oligonucleotides.
Irish Research Council
Science Foundation Ireland
Royal Irish Academy/Royal Society International Exchange Scheme
UK Biotechnology and Biological Sciences Research Council
College of Science, UCD
UK Science and Technology Facilities Council
http://hdl.handle.net/10197/11605
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Selenoprotein S/SEPS1 modifies endoplasmic reticulum stress in Z variant alpha1-antitrypsin deficiency.
(2009)
Kelly, Emer; Greene, Catherine M; Carroll, Tomás P; McElvaney, Noel G; O'Neill, Sh...
Selenoprotein S/SEPS1 modifies endoplasmic reticulum stress in Z variant alpha1-antitrypsin deficiency.
(2009)
Kelly, Emer; Greene, Catherine M; Carroll, Tomás P; McElvaney, Noel G; O'Neill, Shane J
Abstract:
<p>The original article is available at <a href="http://www.jbc.org/content/284/25/16891.long">www.jbc.org</a></p>
<p>Z alpha(1)-antitrypsin (ZAAT) deficiency is a disease associated with emphysematous lung disease and also with liver disease. The liver disease of AAT deficiency is associated with endoplasmic reticulum (ER) stress. SEPS1 is a selenoprotein that, through a chaperone activity, decreases ER stress. To determine the effect of SEPS1 on ER stress in ZAAT deficiency, we measured activity of the grp78 promoter and levels of active ATF6 as markers of the unfolded protein response in HepG2 cells transfected with the mutant form of AAT, a ZAAT transgene. We evaluated levels of NFkappaB activity as a marker of the ER overload response. To determine the effect of selenium supplementation on the function of SEPS1, we investigated glutathione peroxidase activity, grp78 promoter activity, and NFkappaB activity in the presence or absence o...
https://epubs.rcsi.ie/medart/101
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Sequencing and analysis of an Irish human genome
(2010)
Tong, Pin; Prendergast, James FD; Lohan, Amanda J; Farrington, Susan M; Cronin, Simon; ...
Sequencing and analysis of an Irish human genome
(2010)
Tong, Pin; Prendergast, James FD; Lohan, Amanda J; Farrington, Susan M; Cronin, Simon; Friel, Nial; Bradley, Dan G; Hardiman, Orla; Evans, Alex; Wilson, James F; Loftus, Brendan
Abstract:
<p>The original publication is available at http://www.biomedcentral.com</p>
<p>BACKGROUND: Recent studies generating complete human sequences from Asian, African and European subgroups have revealed population-specific variation and disease susceptibility loci. Here, choosing a DNA sample from a population of interest due to its relative geographical isolation and genetic impact on further populations, we extend the above studies through the generation of 11-fold coverage of the first Irish human genome sequence. RESULTS: Using sequence data from a branch of the European ancestral tree as yet unsequenced, we identify variants that may be specific to this population. Through comparisons with HapMap and previous genetic association studies, we identified novel disease-associated variants, including a novel nonsense variant putatively associated with inflammatory bowel disease. We describe a novel method for improving SNP calling accuracy at low genome coverage u...
https://epubs.rcsi.ie/clinneursciart/1
Displaying Results 1 - 9 of 9 on page 1 of 1
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Royal College of Surgeons i... (7)
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