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Development of a Test Battery for Epigenetic Non-genotoxic Carcinogens
Haroon Rashid

The main objective of this sudy is to obtain an increased insight into the mechanisms of action of epigenetic carcinogens. Although the expected number of non-genotoxic carcinogens among newly registered compounds is unknown, there is a growing concern that when numbers of 2-year cancer bioassays are significantly reduced, non-genotoxic carcinogens may go undetected. Therefore there is a need for the development of alternative methods for their detection.

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Chemically Modified Primers for Improved Multiplex PCR
Elena Hidalgo Ashrafi, Tony Le, Alexandre Lebedev, Richard Hogrefe, Victor Timoshchuk, Sabrina Shore, Inna Koukhareva and Natasha Paul

Multiplex PCR is an advantageous technique used in PCR applications to amplify multiple targets in a single reaction. As useful as it is, this technique presents a new set of challenges that further complicates PCR setup. For example, reactions are more prone to off-target amplifications such as mis-priming and primer dimer due to the increased number of primer pairs.

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Hot Start dNTPs - Novel Chemistries for Use in Advanced PCR Applications
Tony Le, Elena Hidalgo Ashrafi, Sabrina Shore, Victor Timoshchuk, Natasha Paul, Richard Hogrefe, Inna Koukhareva, Alexandre Lebedev

PCR is a widely used scientific tool whose specificity can be increased by the use of Hot Start technologies. Although many Hot Start technologies exist, recently developed CleanAmp™ dNTPs are a distinct approach that employs modified nucleoside triphosphates with a thermolabile protecting group at the 3´-hydroxyl.

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ROLE OF IRF-8 IN THE INTERFACE OF MELANOMA TUMOR CELL-IMMUNE SYSTEM INTERACTION.
Fabrizio Mattei, Giovanna Schiavoni, Massimo Spada, Francesca Spadaro and Lucia Gabriele

Interferon-regulatory factor-8 is essential for differentiation and function of dendritic cells and thus for the induction of competent immune responses. Here, we investigated the role of IRF-8 in affecting immune response against melanoma. Our results reveal a critical role of IRF-8 in controlling melanoma growth and suggest that IRF-8-mediated antitumor activity is the result of a coordinated action between DC-mediated immune response and the tumor suppressor function of IRF-8.

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NEW TECHNOLOGIES FOR FFPE SAMPLES: Improved RNA Isolation and novel cDNA priming for qPCR and for universal mRNA amplification
G Krupp1; R Jaggi2; D Englert3, DJ Wilson3, S Laken3, S, ES Quabius4

Improved FFPE RNA isolation, novel TR priming for complete recovery of FFPE mRNA fragments. Differential expression defines Scores for tumor classification: comparing fresh-frozen with FFPE. Novel flow-through Ziplex microarray platform demonstrates MAQC performance level of data obtained with FFPE samples.

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FOXP3 Gene Expression in Multiple Sclerosis patients before and after Mesenchymal Stem Cell therapy
Maryam Mohajeri, Mandana Mohyeddin Bonab, Behrooz Nikbin, Ali Farazmand

Multiple Sclerosis (MS) is a chronic inflammatory demyelinating disorder of the CNS. No successful treatment for MS, but one therapeutic strategy in research is the use of bone marrow-derived mesenchymal stem cells (MSC). We studied a group of MS patients who underwented MSCs, assayed for expression of a transcription factor, FOXP3, as a specific marker of MS amelioration in peripheral blood. qRT-PCR on PBMCs showed higher FoxP3 levels.

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miR-21 upregulation and miR-128a downregulation in human glioblastomas
P. Costa1,2, A. Cardoso1, L. Almeida1,3, M.C. Pedroso de Lima1,2, P. Canoll4, J. Bruce5

miRNA deregulation is an important hallmark on cancer development and progression. This work shows that miR-21 is overexpressed is human glioblastoma samples and cell lines, whereas miR-128a is highly downregulated on these tumours. miRNA modulation using antisense oligonucleotides and/or miRNA precursor molecules decreased tumor cell viability. Thus, targeting deregulated miRNAs may constitute a complementary/alternative approach on the treatment of glioblastomas and other miRNA-related maligna

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Partial characterization of nitrate signaling pathway of Arthrospira platensis PCC 7345
Pradeep kumar L, and Vani B.

The present study is to elucidate the signaling network involved in nitrate uptake and assimilation of Arthrospira platensis. Expression of adenylate cyclase, cyaC was found to be nitrate signal dependent. The involvement cAMP was also observed in different levels of nitrate signaled assimilatory pathway. We have used differential display to identify a histidine kinases in the nitrate signaling of Arthrospira platensis.

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Chemically Modified Primers for Improved Multiplexed PCR
Elena Hidalgo Ashrafi, Tony Le, Alexandre Lebedev, Richard Hogrefe, Victor Timoshchuk, Sabrina Shore, Inna Koukhareva and Natasha Paul

Multiplex PCR is an advantageous technique used in PCR applications to amplify multiple targets in a single reaction. As useful as it is, this technique presents a new set of challenges that further complicates PCR setup. For example, reactions are more prone to off-target amplifications such as mis-priming and primer dimer due to the increased number of primer pairs. Furthermore, preferential amplification of certain targets leads to an unequal distribution of amplicon products, making quantifi

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Scientific News
‘Liquid Biopsies’ Could Help Spot Genetic Faults in Lung Cancer
Study analyze blood samples from 97 patients who took part in the EURTAC clinical trial.
Accurate Determination of Copy Number States for Multiallelic Copy Number Variations
Researchers use next-generation sequencing (NGS) and Bio-Rad’s Droplet Digital PCR (ddPCR™) technology to solve the technical challenge.
More DNA & Extra Copies of Disease Gene in Alzheimer’s Brain Cells
Scientists at The Scripps Research Institute (TSRI) have found diverse genomic changes in single neurons from the brains of Alzheimer’s patients, pointing to an unexpected factor that may underpin the most common form of the disease.
Single-Cell, 42-plexed Protein Analysis Achieved with a New Microchip Technology
A novel microdevice capable of detecting 42 unique immune effector proteins has been developed.
Quickly Tracing The Source Of Tainted Food
Technology can trace contaminated food to its source.
Did You Hear The One About The Two Businessmen On A Plane?
EquipNet’s vision ‘to revolutionize the way companies manage their surplus assets’ was first conceived at 30,000 feet somewhere between Chicago and Boston in 1999. Here we learn more about the company's first 15 years.
Developing a Noninvasive Test for Endometriosis
UCSF researchers identify patterns of genetic activity that could help in early detection of disorder.
CDC Develops a New, Faster Lab Test for Enterovirus D68
Confirmed cases will appear to rise as agency accelerates specimen testing.
NanoString, Brigham and Women’s Hospital Collaborate
Research collaboration to accelerate translation of genomic discoveries into clinical diagnostics in oncology.
Unlocking The Non-Coding Half of Human Genome
Texas A&M biologists unlock non-coding half of human genome with novel DNA sequencing technique.
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