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Proteomic non-small cell lung carcinoma biomarker screening in bronchoalveolar lavage fluid
Tonio Oumeraci 1, Bernd Schmidt 3, Thomas Wolf 1,4, Marc Zapatka 4, Andreas Pich 2, Benedikt Brors 4, Roland Eils 4,5, Brigitte Schlegelberger 1, Nils von Neuhoff 1

Using a standardized method to acquire MALDI-TOF proteome profile spectra of bronchoalveolar lavage fluid (BALF), we have shown the upregulation of histatin 3 and calgranulin C in a small pilot cohort of NSCLC patients. This pilot study serves to demonstrate that it is feasible to screen a larger NSCLC patient cohort for BALF proteome level biomarkers in a clinical setting.

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Some thiazole derivatives as potent antiproliferative agents with CDK2/Cycin E/A inhibitory activities
Mahesh Chhabria1, Shailesh Patel*1, Maulik Suthar2

We report synthesis and biological evaluation of novel thiazole derivatives. High throughput screening of various compounds for their anti-proliferative activity led to the identification of thiazolo-thiones as potential candidate for Lung cancer (NCl-H23, NClH510A, NCI-H522) and breast cancer (MDA-MB-453/231/468, MCF-7). The most potent compounds were also screened for their inhibitory activity against CDK2/ Cyclin E/A which are considered as promising targets for lung and breast cancer.

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Predicting hepatotoxicity: Reactive metabolite trapping using glutathione and freshly isolated hepatocytes
Birks, V., Webber, G., Geoffroy, S., Cole, R., and Wood, S.

This poster presents our results to date using clozapine (a compound known to be associated with GSH-adduct formation) as substrate and using stable isotope GSH (GSH13C2,15N) to enhance specificity. In addition, all analyses have been conducted using an Waters Acquity UPLC-MS/MS. Results we have obtained in hepatocytes are compared against findings using human liver microsomes (HLM).

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A simple, fast and quantitative single-step dead-cell indicator for flow cytometry
Jixiang Liu, Jolene Bradford, Chris Langsdorf

We have evaluated a series of new compounds for dead cell stain and identified a new product, SYTOX® AADvancedTM dead cell stain, which demonstrates improved properties over 7-AAD. These properties make the SYTOX® AADvancedTM dead cell stain a simple, fast and quantitative single-step no-wash dead-cell indicator as well as ideal for use in multicolor application requiring DNA content.

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Protein array-based screening of autoantibody signatures
Zingaretti C., Arigò M., Colombatto P., Brunetto M., Muratori L., Bonino F., Bianchi F., Pagani M., De Francesco R., Abrignani S., Bombaci M.

The evidence for an association between autoimmune diseases and chronic HCV infection has been clearly established. To this aim, a protein array was employed to analyze serum samples of HCV patients w/wo autoimmune complications, of patients with autoimmune hepatitis but not infected with HCV and of healthy donors as controls. A panel of autoantigens able to discriminate among the three groups of patients was identified for potential use as biomarkers.

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PROTEOME WIDE PLASMA PROFILING USING ANTIBODY SUSPENSION BEAD ARRAYS
Maja Neiman, Ulrika Igel, Burcu Ayoglu, Kimi Drobin, Mathias Uhlén, Peter Nilsson and Jochen M. Schwenk

A newly developed antibody suspension bead array assay allows for a systematic and high-throughput plasma profiling. This microtiter based assay uses antibody-coupled beads for a multiplexed analysis of minute amounts of directly labelled samples. The key requirement of a?nity reagents towards all human proteins is met by the Human Protein Atlas project.

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Five noncovalent peptidic ligands show different affinity rankings in solution and gas phase
Andrey Dyachenko , Michael Goldflam , Marta Vilaseca , Ernest Giralt

Stability of noncovalent complexes of VEGF protein with 5 peptidic ligands is studied. Experiments were conducted in solution (NMR CSP, ITC) and in gas phase (CID TOF MS). Each ligand differs from others in chirality of one amino acid. It was shown, that trend of stability of the studied noncovalent complexes is reversed in the gas phase relatively to the solution. An explanation of this behavior is presented.

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Software for Genomic/Epigenomic Research
A.S.Tanas, V.V.Shkarupo, E.B.Kuznetsova, D.V.Zaletayev, V.V. Strelnikov

We present two computer programs: 1) AIMS in silico - a suggestion tool for Amplification of Intermethylated Sites experimental design and results analysis; and 2) PeakPick – a tool to view & analyse capillary electrophoregrams Our computer software is intended to standardize AIMS applications and to turn it into one of the principal approaches towards cancer methylomes studies as well as towards diagnostics in oncology, including early screening.

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Insulin Decreases Transcription of Three Proteins Associated with Lung Surfactant
Rucka, Z [a], Vanhara, P [b], Tesarova, L [a], Potesilova, M [a], Stejskal, S [a], Dolezel, J [c], Koutna, I [a]

Our project is partially focused on insulin affecting four proteins associated with lung surfactant. Small and hydrophobic SP-B and S-PC help to spread and stabilize the surfactant layer while large and hydrophilic SP-A and SP-D participate in immune responses. A549 and H441 cell lines were used. It was observed using RealTime PCR that higher doses of insulin lead to decreased transcription of SP-B, SP-C, SP-D, and both isoforms of SP-A.

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Showing Results 71 - 80 of 154
Scientific News
Blood Test To Diagnose Depression
Test identifies nine blood markers tied to depression; predicts who will benefit from therapy.
Study Aims to Develop Breath Test for COPD
A new clinical iniative, lead by NYU Langone Medical Center, aims to determine a breath test’s effectiveness to identify volatile organic compounds (VOCs) in human breath that are biomarkers of chronic obstructive pulmonary disease (COPD).
Salamander Skin Peptide Promotes Wound Healing in Mice
New research suggests that the peptide tylotoin exerts the promotion of wound healing with epidermal growth factor in a murine model of a full thickness dermal wound.
Marijuana Compound May Offer Treatment for AD
Extremely low levels of the compound in marijuana known as delta-9-tetrahydrocannabinol, or THC, may slow or halt the progression of Alzheimer’s disease.
Quantitative Western Blotting Using Stain-Free Technology
Bio-Rad hosted two seminars at the EB 2014 in which KOLs discussed approaches to improve the accuracy of western blotting quantitation using Bio-Rad’s stain-free technology.
Repressing the Repressors May Drive Tissue-Specific Cancers
Stowers scientists establish Drosophila and mammalian models to study mutations found in pediatric brain tumors.
MU Researchers Discover Protein's Ability To Inhibit HIV Release
TIM-family proteins have the ability to block the release of HIV and other viruses.
Epigenetic Study Bolsters Alzheimer's Understanding
The current study found that chemical modifications to DNA within the ANK1 gene are strongly associated with measures of neuropathology in the brain.
Identification of Psoriatic Arthritis Mediators in Synovial Fluid
This study represents the most comprehensive proteomic analysis of psoriatic arthritis synovial fluid, to date.
GTEx Project to Expand Functional Studies of Genomic Variation
Larger set of human tissues to be analyzed to contribute to a database and tissue bank that researchers can use to study how genomic variants influence gene activity.
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