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Friday, December 19, 2014
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Identification of novel autoantigensin patients with liver autoimmune diseases by Protein MicroArray
C. Zingaretti1, M. Arigò1, A. Cardaci1, A. Sinisi1, L. Muratori3, P. Colombatto4, F. Bonino2, P. Invernizzi5, , A.L. Zignego6 MC. Crosti1, M. Moro1, J. Geginat1, Pagani M.1, R. De Francesco1, S. Abrignani1. & M. Bombaci1

The characterization of autoimmune disease-specific biomarkers are of primary importance for the development of diagnostic tools and the comprehension of pathogenetic mechanisms leading to autoimmunity. To this aim a protein microarray was employed to analyze serum samples from patients with autoimmune hepatitis (e.g. AIH & PBC) and of healthy as controls. A panel of autoantigens able to discriminate among the groups of patients was identified for potential use as biomarkers.

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Fragment-Based Chemogenomics
Chris de Graaf, Gerdien de Kloe, Henry Vischer, Mark Verheij, Saskia Nijmeijer, Azra Delic, David Maussang, Ken Chow, Anitha Shanmugham, Paul England, Rogier Smits, Rob Leurs and Iwan de Esch

A proprietary and structurally diverse fragment library has been created and screened for a variety of Gprotein coupled receptors (GPCRs) and a number of other drug targets. The data allows for a fragment-based chemogenomics study to interrogate the interactions of GPCRs and their ligands.

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Prognostic Factors for Refeeding Syndrome in Head and Neck Cancer Patients
James Hare, Rachel Skelly, Samit Ghosh, Terry Jones

Head and neck cancer sufferers are inherently at risk of refeeding syndrome, which had a prevalence of 9.5% in our series. Our results suggest that site of tumour (but not tumour or nodal staging) is a prognostic indicator for developing refeeding syndrome.

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Stephanie Bougel wins Poster Award at the European Biomarkers Summit 2010

Stephanie Bougel, from the University of Lausanne, France, won the award for best poster at the European Biomarkers Summit and Exhibtion held in Florence, Italy on the 9th - 10th November 2010.

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hTERT methylation: a potential cancer biomarker for metastasis detection in body fluids

Aim of the study: 1. To develop a specific, sensitive, quantitative, and fast method for detection of hTERT methylation 2. To explore its use as a cancer biomarker in the diagnosis of metastatic tumors in CSF.

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Hepatitis B virus (HBV) and Human immunodeficiency virus (HIV) antibodies detected by peptide microarrays
ahmed Abd El Wahed1, Ulrike Beutling2, Ronald Frank2, Gerhard Hunsmann1, and Hans-Joachim Fritz3

HBV and HIVenv chips with overlapping oligopeptides encompassing the full amino acid sequences of HBV and HIV polypeptides were produced. In addition, a chip displaying a library of random 4608 different 15-mers peptides (4608-RPL) was prepared. Both chips were used for analyzing monoclonal antibodies and sera from HIV- and HBV-infected individuals. 4608-RPL could be used for identifying target sequences of antibodies without prior knowledge of the corresponding immunizing antigen.

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An improved data processing pipe-line for comprehensive H-NMR and X/MS -omics data
R. J. O. Torgrip, K. M. Åberg, E. Alm

In the post acqusition analysis of comprehensive -omics data the pre-processing pipe-line is crucial to extract the maximum possible amount of information from the data. Here we show a processing pipe-line for (1D)H-NMR and (2D)X/MS data comprising; feature detection, inter-sample feature alignment and internal-standard free normalization that outperforms today’s state-of-the-art processing schemes.

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Alignment of 1H-NMR data using a Generalized Fuzzy Hough Transform
Erik Alm, Leonard Csenki, Ralf J.O. Torgrip, K. Magnus Åberg, Lars I. Nord, Ina Schuppe-Koistinen and Johan Lindberg

In metabolic profiling, multivariate data analysis techniques are used to interpret 1D 1H–NMR data. Multivariate data analysis techniques require that peaks are located in the same variables in every spectrum – this requirement is not met in native NMR spectra. Current state-of-the-art alignment algorithms are unable to align peaks when the spatial order of the peaks changes. We present the Fuzzy Generalized Hough Transform alignment which solves the alignment problem.

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Specificity of small molecule inhibitors for deubiquitinating enzymes in living cells assessed by activity-based proteomics
*Mikael Altun, *Holger B. Kramer, *Lianne Willems, *Mukram Mackeen, *Edward Kogan, *Rebecca Konietzny, *Cynthia Wright, *Roman Fischer, #Benjamin Nicholson, *Benedikt M. Kessler

Small molecular compounds (PR-619 and P22077) was assessed for their abilities to inhibit DUB function in crude extracts and in cells. Activity-based profiling combined with quantitative mass spectrometry revealed the inhibitory capacity of a broad range of DUBs by the PR-619, whereas P22077 showed specificity towards subsets of DUBs including USP7 in cells. Our results demonstrate the usefulness of activity-based quantitative proteomics to monitor inhibition of endogenous DUBs in vivo.

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Showing Results 91 - 100 of 186
Scientific News
Non-Gluten Proteins as Targets of Immune Response to Wheat in Celiac Disease
The results were reported online in the Journal of Proteome Research.
Biomarker Discovery Sheds New Light on Heart Attack Risk of Arthritis Drugs
Drug may be given a new lease of life.
Metal Test Could Help Diagnose Breast Cancer Early
It may be possible to develop a simple blood test that, by detecting changes in the zinc in our bodies, could help to diagnose breast cancer early.
Mouse Study Reveals Potential Clue to Extra Fingers or Toes
NIH-funded study finds that gene appears to regulate protein signals inside the cell.
Two Studies Identify A Detectable, Pre-Cancerous State In The Blood
Findings pave way for new lines of cancer research focused on detection and prevention.
Proteomics for Systems Toxicology
MS-based proteomics is maturing into a robust technology for the measurement of proteome-wide exposure effects.
Schizophrenia May be Triggered by Excess Protein
Neuroscientist Bonnie Firestein says too much causes abnormalities in brain development.
Protein that Rouses the Brain from Sleep May be Target for Alzheimer's Prevention
Scientists at Washington University have established links between sleep problems and Alzheimer’s.
Protein-engineered Cages Aid Studies of Cell Functions
The Cages, from researchers at Tokyo Institute of Technology, to deliver an important signalling molecule, carbon monoxide, into cells.
UCLA Biochemists Build Largest Synthetic Molecular ‘Cage’ Ever
New nanoscale protein container could lead to synthetic vaccines and offer a way to deliver medicine inside of human cells.
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