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Neurocognitive correlates of miRNA expression in the CNS of HIV positive subjects with a history of methamphetamine abuse
Erick T Tatro, Stephanie Shumaker, David J Moore, Igor Grant, Cristian L Achim

Methamphetamine (meth) abuse and HIV infection are public health risks that in combination produce a “double epidemic.” MicroRNAs (miRs) were shown to be involved in CNS development, neuronal homeostasis, and brain disease. Past studies linked miR124 and let7-d with cocaine addiction. Our goal was to determine whether miRs were differentially expressed in HIV-infected individuals with a recent history of meth abuse and to identify the neurocognitive correlates.

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mSMRT-qPCR : Robust, Sensitive, Scalable microRNA Quantification

Existing methods for miRNA quantification rely on sequence-dependent probes or chemically modified primers for optimal specificity and often require RNA isolation that is time-consuming labour-intensive and which increase sample variability We have developed a high performance approach for multiplexed detection of mature miRNAs termed modified stem-loop mediated reverse transcription quantitative PCR (mSMRT-qPCR).

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Transfecting Small Molecules, Peptides
Van Q., Atze K., Litzenberger D., Ackerstaff J.T., Strübing Y., Yolcu D., Franke S.,Mobbs K.J. and Kazinski M.

The Nucleofector® Technology enables efficient and reproducible transfection of primary cells and cell lines at throughputs of up to 96 samples per run. Nucleofection® now extends its range of application to deliver small molecules substrates and protein substrates such as peptides, proteins and antibodyconjugates.

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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.

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MicroRNA let-7b targets Akt-1: possible implication for skeletal muscle atrophy in diabetic rats
Sousa, TA*; Mitsuo, K**; Paula-Gomes, S*; Silva, VAO*; Tragante, V*; Zanon, NM*; Wang M**; Kettelhut, IC*; Natarajan R**; De Lucca, FL*

In diabetic animals there is marked muscle atrophy, but the molecular mechanisms underlying muscle wasting are still unclear. Our in silico analysis and the inverse correlation between let-7b and Akt1 expression in soleus of diabetic animals indicated Akt1 as a potential let-7b target. The assays of luciferase and inhibition of endogenous expression of Akt1 with mimic let-7b were used to validate Akt1 as a direct target of let-7b.

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Microsphere Approach to Gene Silencing
J. M. Cardenas-Maestre, A. Seth, R. M. Sanchez-Martin

The design of a new generation of bio-compatible polymeric particles (by introduction of polycationic chains as terminal groups) that can be employed as transfecting agents.

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Argonaute 1 regulates germ cell division and oocyte determination in Drosophila melanogaster
Mohd Ghows Mohd Azzam and Ji-Long Liu

We find that Ago1 protein is be enriched in the oocytes and also distributed in the cytoplasm of follicle cells. Using mitotic clonal analysis, we analyze multiple ago1 mutant alleles. Here, we find that the oocyte do not form in many mutant clones and they only have 8 nurse cells. These results indicate that the level of Ago1 affects the number of cystoblast divisions and oocyte determination.

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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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Showing Results 51 - 60 of 155
Scientific News
Precisely Off The Mark
Possible cause discovered for failure of targeted liver cancer therapies.
Novel Cancer Vaccine Approach for Brain Tumors
Researchers unravel the mechanisms behind a novel cancer vaccine for brain tumors, paving the way for further development.
New Test Developed at Dana-Farber/Brigham and Women's Cancer Center
Rapid Heme Panel - A high-tech genetic test that speeds treatment decisions for blood cancer patients.
Researchers Silence Leading Cancer-Causing Gene
A novel siRNA-based molecule successfully targets KRAS, a well-studied but hard to halt protein important for cancer development and metastasis.
Tumor Suppressor Also Inhibits Key Property Of Stem Cells
The retinoblastoma protein inhibits cancer by controlling cell division. Now, researchers have shown that it also binds to and inhibits genes necessary for pluripotency.
Almac Announces Launch of CLIA Validated Next Generation Sequencing Assay
P53 considered important biomarker for cancer drug discovery.
Next-Gen Melanoma Drug Excels in Lab Tests
Anti-cancer activity was reported in 10 out of 11 patient tumor samples grown in mice and treated with the experimental drug TAK-733.
Study Identifying Cell of Origin for Large, Disfiguring Nerve Tumors
Lays groundwork for development of new therapies.
Light Shed On Genetic Architecture Of Kidney Cancer
Research reveals link between renal cell carcinoma and exposure to aristolochic acid.
Salk Scientists Discover a Key to Mending Broken Hearts
Researchers regenerate and heal mouse hearts by using the molecular machinery the animals had all along.
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