Andreas Keller

miRNAs in lung cancer - Studying complex fingerprints in patient's blood cells by microarray experiments (2009)

Keller, Andreas, Leidinger, Petra, Borries, Anne, Wendschlag, Anke, Wucherpfennig, Frank, Scheffler, Matthias, ...

Abstract Background Deregulated miRNAs are found in cancer cells and recently in blood cells of cancer patients. Due to their inherent stability miRNAs may offer themselves for blood based tumor...

Novel autoantigens immunogenic in COPD patients (2009)

Leidinger, Petra, Keller, Andreas, Heisel, Sabrina, Ludwig, Nicole, Rheinheimer, Stefanie, Klein, Veronika, ...

Abstract Background Chronic obstructive pulmonary disease (COPD) is a respiratory inflammatory condition with autoimmune features including IgG autoantibodies. In this study we analyze the complexity...

A novel algorithm for detecting differentially regulated paths based on gene set enrichment analysis (2009)

Keller, Andreas, Backes, Christina, Gerasch, Andreas, Kaufmann, Michael, Kohlbacher, Oliver, Meese, Eckart, ...

Motivation: Deregulated signaling cascades are known to play a crucial role in many pathogenic processes, among them are tumor initiation and progression. In the recent past, modern experimental...

GeneTrailExpress: a web-based pipeline for the statistical evaluation of microarray experiments (2008)

Keller, Andreas, Backes, Christina, Al-Awadhi, Maher, Gerasch, Andreas, Küntzer, Jan, Kohlbacher, Oliver, ...

Abstract Background High-throughput methods that allow for measuring the expression of thousands of genes or proteins simultaneously have opened new avenues for studying biochemical processes. While...

HP: GeneTrail – advanced gene set enrichment analysis (2008)

Christina Backes, Andreas Keller, Jan Kuentzer, Benny Kneissl, Nicole Comtesse, Yasser A. Elnakady, ...

We present a comprehensive and efficient gene set analysis tool, called ‘GeneTrail ’ that offers a rich functionality and is easy to use. Our web-based application facilitates the statistical...

HP: GeneTrail – advanced gene set enrichment analysis (2008)

Christina Backes, Andreas Keller, Jan Kuentzer, Benny Kneissl, Nicole Comtesse, Yasser A. Elnakady, ...

We present a comprehensive and efficient gene set analysis tool, called ‘GeneTrail ’ that offers a rich functionality and is easy to use. Our web-based application facilitates the statistical...

BioMed Central (2008)

Bmc Bioinformatics, Andreas Keller, Christina Backes, Maher Al-awadhi, Andreas Gerasch, Jan Küntzer, ...

Software GeneTrailExpress: a web-based pipeline for the statistical evaluation of microarray experiments

which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Novel autoantigens immunogenic in COPD patients (2008)

Petra Leidinger, Andreas Keller, Sabrina Heisel, Nicole Ludwig, Stefanie Rheinheimer, Veronika Klein, ...

This Provisional PDF corresponds to the article as it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Novel autoantigens immunogenic in COPD...

Computation of significance scores of unweighted Gene Set Enrichment Analyses (2007)

Keller, Andreas, Backes, Christina, Lenhof, Hans-Peter

Abstract Background Gene Set Enrichment Analysis (GSEA) is a computational method for the statistical evaluation of sorted lists of genes or proteins. Originally GSEA was developed for interpreting...

GeneTrail--advanced gene set enrichment analysis (2007)

Backes, Christina, Keller, Andreas, Kuentzer, Jan, Kneissl, Benny, Comtesse, Nicole, Elnakady, Yasser A., ...

We present a comprehensive and efficient gene set analysis tool, called ‘GeneTrail’ that offers a rich functionality and is easy to use. Our web-based application facilitates the statistical...

SePaCS--a web-based application for classification of seroreactivity profiles (2007)

Keller, Andreas, Comtesse, Nicole, Ludwig, Nicole, Meese, Eckart, Lenhof, Hans-Peter

Immunogenic antigen sets possess high potential for minimally invasive disease detection and monitoring. For various diseases, including cancer, appropriate antigen sets have already been detected in...

BMC Bioinformatics Methodology article Computation of significance scores of unweighted Gene Set Enrichment Analyses (2007)

Andreas Keller, Christina Backes, Hans-peter Lenhof

Background: Gene Set Enrichment Analysis (GSEA) is a computational method for the statistical evaluation of sorted lists of genes or proteins. Originally GSEA was developed for interpreting...

A minimally invasive multiple marker approach allows highly efficient detection of meningioma tumors (2006)

Keller, Andreas, Ludwig, Nicole, Comtesse, Nicole, Hildebrandt, Andreas, Meese, Eckart, Lenhof, Hans-Peter

Abstract Background The development of effective frameworks that permit an accurate diagnosis of tumors, especially in their early stages, remains a grand challenge in the field of bioinformatics....

BioMed Central (2006)

Bmc Bioinformatics, Andreas Keller, Nicole Ludwig, Nicole Comtesse, Andreas Hildebr, Eckart Meese, ...

Research article A minimally invasive multiple marker approach allows highly efficient detection of meningioma tumors

BSZ-Jahresbericht 2004 (2005)

Hannemann, Renate, Keller, Andreas

Berichtszeitraum 01.01.2004 - 31.12.2004. Mit dem zweiten Jahresbericht des Bibliotheksservice-Zentrums Baden-Württemberg (BSZ) für das Jahr 2004 erhalten Sie viele interessante Informationen über...

Diverse odor-conditioned memories require uniquely timed dorsal paired medial neuron output (2004)

Keene, Alex Carl, Stratmann, Markus, Keller, Andreas, Perrat, Paola N., Vosshall, Leslie B., Waddell, Scott

Amnesiac mutant flies have an olfactory memory defect. The amn gene encodes a homolog of vertebrate pituitary adenylate cyclase-activating peptide (PACAP), and it is strongly expressed in dorsal...

BSZ-Jahresbericht 2002 / 2003 (2004)

Hannemann, Renate, Keller, Andreas

Der erstmalig als eigenständige Veröffentlichung erscheinende Jahresbericht des BSZ enthält Zahlen, Daten, Fakten für die Jahre 2002 und 2003. Der Bericht ist entstanden aus dem früheren...

Richtlinie zur Katalogisierung Elektronischer Zeitschriften im Südwestdeutschen Bibliotheksverbund (SWB), überarbeitete Fassung vom 30.09.2001 (2003)

Keller, Andreas

Die Arbeitsgrupe "Katalogisierung elektronischer Zeitschriften" hat Antworten auf Fragen der Katalogisierung und des Nachweises bzw. Zugriffs auf elektronische lizenzfreie und lizenzpflichtige...

Ethernet-baserat interkommunikationssystem för militära fordonssystem (2003)

Keller, Andreas

The result of this master thesis report describes the advantages and the drawbacks that will arise when implementing an Ethernet based intercommunication system in military vehicles. The report...

Ethernet-baserat interkommunikationssystem för militära fordonssystem (2003)

Keller, Andreas

The result of this master thesis report describes the advantages and the drawbacks that will arise when implementing an Ethernet based intercommunication system in military vehicles. The report...

Genetic Intervention in Sensory Systems of a Fly (2002)

Keller, Andreas

Die vorliegende Arbeit vergleicht Transgene, die in Drosophila Neuronen exprimiert wurden, um diese abzutöten oder zu blockieren. Tetanus Neurotoxin erwies sich als sehr effizient, um chemische...

Hochschulreform und Hochschulrevolte : Selbstverwaltung und Mitbestimmung in der Ordinarienuniversität, der Gruppenhochschule und der Hochschule des 21. Jahrhunderts / (2000)

Keller, Andreas.

Zugl.: Marburg, Univ., Diss. u.d.T.: Keller, Andreas: Hochschulverwaltung und Mitbestimmung in der Ordinarienuniversität, in der Gruppenhochschule und als Gegenstand der gegenwärtigen...

A central neural circuit for experience-independent olfactory and courtship behavior in Drosophila melanogaster

Heimbeck, Gertrud, Bugnon, Véronique, Gendre, Nanaë, Keller, Andreas, Stocker, Reinhard F.

We have studied the function of the major central olfactory pathway in fruit flies. Key elements of this pathway, the projection neurons (PNs), connect the antennal lobes with the lateral...

Complex humoral immune response against a benign tumor: Frequent antibody response against specific antigens as diagnostic targets

Comtesse, Nicole, Zippel, Andrea, Walle, Sascha, Monz, Dominik, Backes, Christina, Fischer, Ulrike, ...

There are numerous studies on the immune response against malignant human tumors. This study was aimed to address the complexity and specificity of humoral immune response against a benign human...

A central neural circuit for experience-independent olfactory and courtship behavior in Drosophila melanogaster

Heimbeck, Gertrud, Bugnon, Véronique, Gendre, Nanaë, Keller, Andreas, Stocker, Reinhard F.

We have studied the function of the major central olfactory pathway in fruit flies. Key elements of this pathway, the projection neurons (PNs), connect the antennal lobes with the lateral...

Complex humoral immune response against a benign tumor: Frequent antibody response against specific antigens as diagnostic targets

Comtesse, Nicole, Zippel, Andrea, Walle, Sascha, Monz, Dominik, Backes, Christina, Fischer, Ulrike, ...

There are numerous studies on the immune response against malignant human tumors. This study was aimed to address the complexity and specificity of humoral immune response against a benign human...

GeneTrail—advanced gene set enrichment analysis

Backes, Christina, Keller, Andreas, Kuentzer, Jan, Kneissl, Benny, Comtesse, Nicole, Elnakady, Yasser A., ...

We present a comprehensive and efficient gene set analysis tool, called ‘GeneTrail’ that offers a rich functionality and is easy to use. Our web-based application facilitates the statistical...

SePaCS—a web-based application for classification of seroreactivity profiles

Keller, Andreas, Comtesse, Nicole, Ludwig, Nicole, Meese, Eckart, Lenhof, Hans-Peter

Immunogenic antigen sets possess high potential for minimally invasive disease detection and monitoring. For various diseases, including cancer, appropriate antigen sets have already been detected in...

Influence of odorant receptor repertoire on odor perception in humans and fruit flies

Keller, Andreas, Vosshall, Leslie B.

The olfactory system is thought to recognize odors with multiple odorant receptors (ORs) that are activated by overlapping sets of odorous molecules, ultimately generating an odor percept in the...

The determinants of allowance prices in the European Emissions Trading Scheme - Can we expect an efficient allowance market 2008?

Wilfried Rickels, Vicki Duscha, Andreas Keller, Sonja Peterson

The European emissions trading scheme (EU-ETS) for CO2 is the largest existing emissions trading scheme in the world. The main reason for the implementation of this scheme is to reach the European...

Energy Savings via FDI? Empirical Evidence from Developing Countries

Michael Hübler, Andreas Keller

In this paper we examine the influence of foreign direct investment inflows on energy intensities of developing countries empirically. We first show that a simple OLS estimation, as it is found in...

Multiple Sclerosis: MicroRNA Expression Profiles Accurately Differentiate Patients with Relapsing-Remitting Disease from Healthy Controls

Keller, Andreas, Leidinger, Petra, Lange, Julia, Borries, Anne, Schroers, Hannah, Scheffler, Matthias, ...

Multiple sclerosis (MS) is a chronic inflammatory demyelinating disease of the central nervous system, which is heterogenous with respect to clinical manifestations and response to therapy....