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Hannus S.,Intana Bioscience GmbH | Brock R.,Radboud University Nijmegen
BioSpektrum | Year: 2012

Fluorescence correlation spectroscopy (FCS) derives information on molecular interactions and concentrations from the analysis of timedependent fluctuations of a fluorescence signal, caused by diffusion of molecules through a confocal detection volume. Here, we present applications of FCS in drug discovery and molecular pharmacology, including the screening of drug-target interactions and peptide stability in crude cellular lysates, providing a physiological environment. © Springer-Verlag 2012.

Schraivogel D.,University of Regensburg | Schindler S.G.,University of Lubeck | Danner J.,University of Regensburg | Kremmer E.,Helmholtz Center Munich | And 4 more authors.
Nucleic Acids Research | Year: 2015

MicroRNAs (miRNAs) guide Argonaute (Ago) proteins to distinct target mRNAs leading to translational repression and mRNA decay. Ago proteins interact with a member of the GW protein family, referred to as TNRC6A-C in mammals, which coordinate downstream gene-silencing processes. The cytoplasmic functions of TNRC6 and Ago proteins are reasonably well established. Both protein families are found in the nucleus as well. Their detailed nuclear functions, however, remain elusive. Furthermore, it is not clear which import routes Ago and TNRC6 proteins take into the nucleus. Using different nuclear transport assays, we find that Ago as well as TNRC6 proteins shuttle between the cytoplasm and the nucleus. While import receptors might function redundantly to transport Ago2, we demonstrate that TNRC6 proteins are imported by the Importin-β pathway. Finally, we show that nuclear localization of both Ago2 and TNRC6 proteins can depend on each other suggesting actively balanced cytoplasmic Ago-TNRC6 levels. © 2015 The Author(s) .

The present invention relates to the determination of interaction parameters of at least two analytes in cellular lysates, wherein at least one competitive agent is optionally further present.

Intana Bioscience GmbH | Date: 2013-04-25

The present invention relates to a method for producing pools of siRNA molecules suitable for RNA interference.

Agency: Cordis | Branch: FP7 | Program: MC-ITN | Phase: FP7-PEOPLE-2013-ITN | Award Amount: 3.47M | Year: 2013

Non-coding RNA (ncRNA) is a new research field in rapid development. It holds the potential to explain many fundamental biological phenomena and there is a vast prospective for the development of ncRNA-derived diagnostic and therapeutic tools. Hence, biotech and pharmaceutical companies are actively looking into this unexplored territory for novel targets. Therefore, there is a substantial and unmet need for the training of scientists in ncRNA biology, methodology and exploitation. The regions encompassing protein coding potential (exons) in humans only amount to 2% of the genome. New sequencing techniques have evidenced that mammalian genomes are pervasively transcribed and have revealed the existence of multiple classes of ncRNAs. Although our knowledge on the multitude of transcripts produced by the non-coding 98% of the genome is still very sketchy, pivotal roles have been established for ncRNAs in organismal development and homeostasis, in cellular proliferation, differentiation and apoptosis and in a broad range of human pathologies. Hence, there is a need to educate young scientists in this emerging and important research field. Aside from increasing our collective understanding of essential biological phenomena, ncRNA also constitute a vast and largely unexplored territory for the development of novel therapeutics and diagnostics. Accordingly, we propose to form a European RNA training network, RNATRAIN. This network will be devoted to educating the next generation of European researchers focusing on the functions and importance of ncRNAs in multidisciplinary projects in which the ncRNAs are studied in the context of development, differentiation and disease. Towards this, a group of 9 top-quality European research laboratories and 3 companies from 8 countries will train, to the best level, a cohort of early-stage researchers using cutting-edge technologies to dissect the functions and potentials of ncRNAs through integrated multidisciplinary projects.

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