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Targeting Inflammatory Cytokines Using Adenoviruses: gene delivery of biological therapies in ovarian cancer
Michael A. Salako, Hagen Kulbe, Iain A. McNeish, Frances R. Balkwill

Constitutive TNF-alpha expression is characteristic of the malignant ovarian surface epithelium. Adenoviral mutants hold great promise as gene therapy vectors but their efficacy is hindered by an inflammatory cascade orchestrated by TNF-alpha. We found that delivering TNF-alpha shRNA to ovarian cancer cells using oncolytic adenoviruses could reduce the inflammatory cascade generated by adenoviruses and also had direct anti-tumour activity on the cancer cells.

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Efficient downregulation of the lung liquid clearing gammaENaC subunit by RNAi
Nihal Yueksekdag, Marei Drechsel, Christa Schmidt, and Josef Rosenecker

CF is caused by mutations in the gene encoding for CFTR. CFTR functions as chloride channel on the apical membrane of epithelia thereby regulating the transport of chloride and also sodium ions indirectly. It seems that the regulation of ENaC fails due to the mutated CFTR protein. And it is assumed that ENaC plays a role in the pathogenesis of chronic lung disease in CF-patients.

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Hyperbaric Bioreactors use with Yarrowia Lipolytica Cultures: Cellular Adaptation to Hyperbaric Conditions
Marlene Lopes, Nelma Gomes, Manuel Mota, Isabel Belo

In this work, a pressurized bioreactor was used for Y. lipolytica batch cultivation under increased air pressure from 1 bar to 6 bar. Cell growth was strongly enhanced by the pressure rise. The increase of oxygen availability caused the induction of the antioxidant enzyme SOD. The pre-growth of Y. lipolytica under increased pressure conditions did not affect the lipase production ability of the cells.

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Improving the efficiency of 384 "mini-tube" technology using mosquito nanlolitre pipetting
Joby Jenkins, Wayne Bowen, Rob Lewis & Chloe Milburn

384-well plate “mini-tube” consumables have been developed by automation companies such as REMP and The Automation Partnership (TAP) to hold compound samples divided into single-use storage tubes. Each tube holds 40 -75 µL, and is filled, sealed, stored and then thawed just once before use. However, when accessed by conventional pipetting technology, the tube’s practical working volume is as little as 20 µL, which means high compound wastage. The seal must also be pierced prior to pipetting to p

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Application of genetic programming in analysis of quantitative gene expression profiles for identification of nodal status in bladder cancer
Anirban P. Mitra, Arpit A. Almal, Ben George, David W. Fry, Peter F. Lenehan, Vincenzo Pagliarulo, Richard J. Cote, Ram H. Datar, William P. Worzel

Nodal involvement in bladder cancer is an independent indicator of prognosis. This study employed an iterative machine learning process called genetic programming on quantitative expression values of 70 genes to classify primary urothelial carcinoma samples into those associated with or without nodal metastasis. The generated rules showed a strong predilection for ICAM1, MAP2K6 and KDR resulting in gene expression motifs that cumulatively suggested a pattern ICAM1>MAP2K6>KDR for node positive ca

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How to Perform High Throughput siRNA Transfection
Mark Hewitson, Hanno Hermann and Neil Benn

We demonstrate the optimization of siRNA transfection process for time and costs in a high throughput application with two independent measurements of the RNAi effect: The visual monitoring of Eg5 expression and the quantitative PCR measurement of GAPDH mRNA after transfection of Hela cells. The results show, that 1 wash cycle is sufficient for the removal of any remnants of the transfection complex from disposable tips, making the tips re-usable.

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Quantification of siRNA by a Novel Competitive-qPCR Method
Wei-li, Liu., Mark Stevenson and Len Seymour

We have developed a competitive qPCR method in which siRNA competes with a homologous forward primer to bind template DNA, giving siRNA concentration dependent inhibition. The addition of E6-siRNA to cqPCR led to inhibition of amplification in a linear concentration-dependent manner, with as little as 200pg of siRNA capable of being detected. Irrelevant siRNA had no effect on amplification confirming specificity

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Quantification of siRNA by a Novel Competitive-qPCR Method
Wei-li, Liu., Mark Stevenson and Len Seymour

We have developed a competitive qPCR method in which siRNA competes with a homologous forward primer to bind template DNA, giving siRNA concentration dependent inhibition. The addition of E6-siRNA to cqPCR led to inhibition of amplification in a linear concentration-dependent manner, with as little as 200pg of siRNA capable of being detected. Irrelevant siRNA had no effect on amplification confirming specificity

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The Silencing of Multidrug Resistance-Associated Protein 5 by siRNA Complexes
M.Malinen, E.Mannermaa, T.Ryhänen, E.Kuusela, M.Häkli, M.Yliperttula and A.Urtti

The purpose is to study the role of multidrug resistance-associated protein 5, MRP5 in drug metabolism in human retinal pigment epithelium (RPE). RPE forms the outer part of blood-retinal barrier (BRB) which restricts movements of solutes from systemic bloodstream to the neural retina. The efflux protein, MPR5 is expressed in RPE but its functions are mainly unknown. SiRNA will be tested as a tool to clarify the role of MRP5.

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Scientific News
Top 10 Life Science Innovations of 2016
2016 has seen the release of some truly innovative products. To help you digest these developments, The Scientist have listed their top picks for the year.
Using Cancer Cells' Mass to Predict Treatment Response
A device has been developed that can detect changes in cell mass at a minute scale.
NVIDIA Awards $400k to Trailblazers in Cancer Research
NVIDIA Foundation furthers research that could lead to new and more targeted treatments with investments.
Malaria Parasite Evades Rapid Test Detection in Children
A study at the University of North Carolina found that gene deletion poses a threat to Malaria eradication efforts.
Working With Advanced Nanoimagers
Oxford Nanoimaging report on the work of early-adopters for their Nanoimager technology at the MRC Centre for Molecular Bacteriology and Infection.
History of Cells Told Through MEMOIR
MEMOIR technique developed by CalTech researchers enables the life history of cells to be read.
Nanoscale ‘Muscles’ Powered by DNA
Scientists have developed nanoscale "muscles" to integrate with custom DNA, that can force the material to bend, curl and flip.
Dissecting Bacterial Infections at the Single-Cell Level
Researchers have used single-cell analysis technology to provide new insight into the Salmonella infection process.
Peer Review is in Crisis, But Should be Fixed, Not Abolished
After the time to get the science done, peer review has become the slowest step in the process of sharing studies, and some scientists have had enough.
Cancer Stem Cells Fuel Tumor Growth
Mass. General, Broad Institute team finds strong evidence that cancer stem cells are important drivers of tumors in patients.

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