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Tuesday, July 29, 2014
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Demethylation and Re-Expression of Tumor Suppressor Genes: A Novel Approach for Cancer Therapy
Genevieve Housman, Megan A. Mataga, Amrita Devalapalli, Sarah Heerboth, Leah R. Evans, Sibaji Sarkar

In this study, we demonstrated that a combination therapy using suboptimal doses of HDACi and calpeptin, an inhibitor of calpain, produced synergistic type growth inhibition and reduced cancer cell motility in cancer cells. We hypothesize that the re-expression of tumor suppressor genes by demethylation and other mechanisms sensitize the cells and allows for apoptotic death.

Development and NDA-Level Validation of a Real-Time PCR Procedure for Detection and Quantification of Residual E.coli DNA Contamination of Biopharmaceutical Products
Dan Papa, Pedro J. Morales and Michael D. Sadick

Escherichia coli (E. coli) has been commonly used for the production of biopharmaceuticals. Among the impurities that must be monitored in biopharmaceuticals is residual host-cell DNA (HCD). This study describes the development and subsequent NDA-level validation of a real time PCR procedure developed in response to a client’s need to improve the sensitivity of detection and quantification of residual E. coli HCD in their drug product.

Integrated In Silico Analysis of NGS Prostate Cancer Data via High-Resolution RNA-Seq Analysis
Sandeep Sanga , Antoaneta Vladimirova, Aubree Hoover

The goal: To get novel insights into the mechanisms of prostate adenocarcinoma by leveraging next generation sequencing (NGS) data, particularly human transcriptome data, through in silico data analysis and interpretation by Ingenuity’s IPA® software. CLC Genomics Workbench and CLC Genomics Server helped us assess short read RNA-Seq data.

DNA Methylation as a Marker of the Intra Uterine Environment
Carolyn Banister, Devin Koestler, Matthew A. Maccani, E. Andres Houseman, James F. Padbury and Carmen J. Marsit

The placenta functions not only as a conduit for nutrient and waste exchange between mother and fetus, but also as a regulator of the intrauterine environment. Recent work has identified changes in the expression of candidate genes, often through epigeneticalteration, which alter the placenta’s function and impact fetal growth.

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.

SuperNatural: A Database of Available Natural Compounds
Melanie Füllbeck, Mathias Dunkel and Robert Preissner

The majority of marketed drugs are natural compounds or derivatives thereof. The compounds availability is often unclear. Therefore we have compiled a database of ~50,000 natural compounds. Starting point for in silico screenings are about 2,500 well-known, classified natural compounds or imported molecules. Possible medical applications can be detected and about three million conformers computed to account for the flexibility during usage of the 3D-superposition algorithm.

Nucleic Acid Reagents and Experimental Results in the NCBI Probe Database
Svetlana Iazvovskaia, Ilene Karsch Mizrachi, Kirill Rotmistrovsky, and Savani Tatake

Five years ago, the NCBI Probe database (ProbeDB) was established to provide a centralized archive of molecular probes used in biomedical applications. Currently ProbeDB contains around 10 million probes of 65 types including gene silencing agents, in situ hybridization probes, and probes for variation analysis and genome mapping. Presently, ProbeDB is the largest and most extensive database of this type available in public domain.

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.

Digital Volumetric Imaging of Angiogenesis in Tissue Engineered Constructs
Marc M. Takeno, Kip D. Hauch

Accurate identification of functional vasculature is of critical importance in evaluating construct integration. Digital volumetric imaging (DVI) is an automated serial sectioning and microscopic imaging technique that can bridge the resolution gap between micro-computed tomography and conventional histology. We use DVI to study in vivo vascularization of tissue engineering constructs in a variety of settings.

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Showing Results 71 - 80 of 222
Scientific News
UTSW Cancer Researchers Identify Irreversible Inhibitor for KRAS Gene Mutation
Irreversible inhibitor for KRAS gene mutation involved in lung, colon, and pancreatic cancers.
NIH Scientists Find Six New Genetic Risk Factors for Parkinson’s
Study shows power of combining big data analysis with cutting-edge genomic techniques.
Mount Sinai Scientists and International Team Shed New Light on Schizophrenia
Genes and pathways identified could inform new approaches to treatment and address acute need for drug development for this disorder.
Schizophrenia’s Genetic Skyline Rising
Suspect common variants soar from 30 to 108 - NIH-funded study.
Transplanting Gene into Injured Hearts Creates Biological Pacemakers
Researchers develop first minimally invasive gene therapy procedure to treat heart rhythm disorders by transforming ordinary heart muscle cells into specialized rhythm-keeping cells, potentially eliminating future need for electronic pacemakers.
Common Gene Variants Account for Most Genetic Risk for Autism
Roles of heritability, mutations, environment estimated - NIH-funded study.
Illumina's HiSeq X Ten Sequencing Technology for Population Studies
Next-generation sequencing technologies to be implemented at new High-Throughput Genomics Center for the MENA region.
Bowel Cancer Breakthrough May Benefit Thousands of Patients
Researchers at Queen’s University have discovered how two genes cause bowel cancer cells to become resistant to treatments used against the disease.
NIH Scientists Identify Gene Linked to Fatal Inflammatory Disease in Children
Repurposed drugs may offer first potential therapy.
Study Finds Low Oxygen Environment Helps Tumors Silence Critical Genes
The study led by Yale Cancer Center may provide clues to how some aggressive cancers turn off, or silence, genes critical to suppressing tumors.
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