Jan Buer

Salmonella enterica Serovar Typhimurium Exploits Inflammation to Compete with the Intestinal Microbiota (2007)

Bärbel Stecher, Riccardo Robbiani, Alan W. Walker, Astrid M. Westendorf, Manja Barthel, Marcus Kremer, ...

Most mucosal surfaces of the mammalian body are colonized by microbial communities (“microbiota”). A high density of commensal microbiota inhabits the intestine and shields from infection...

Dynamic cumulative activity of transcription factors as a mechanism of quantitative gene regulation (2007)

He, Feng, Buer, Jan, Zeng, An-Ping, Balling, Rudi

Abstract Background The regulation of genes in multicellular organisms is generally achieved through the combinatorial activity of different transcription factors. However, the quantitative...

Phenotypic alterations in type II alveolar epithelial cells in CD4+T cell mediated lung inflammation (2007)

Gereke, Marcus, Gröbe, Lothar, Prettin, Silvia, Kasper, Michael, Deppenmeier, Stefanie, Gruber, Achim D, ...

Abstract Background Although the contribution of alveolar type II epithelial cell (AEC II) activities in various aspects of respiratory immune regulation has become increasingly appreciated, our...

Identification of novel regulators in T-cell differentiation of aplastic anemia patients (2006)

Franzke, Anke, Geffers, Robert, Hunger, J Katrin, Pförtner, Susanne, Piao, Wenji, Ivanyi, Philipp, ...

Abstract Background Aplastic anemia (AA) is a bone marrow failure syndrome mostly characterized by an immune-mediated destruction of marrow hematopoietic progenitor/stem cells. The resulting...

Signatures of human regulatory T cells: an encounter with old friends and new players (2006)

Pfoertner, Susanne, Jeron, Andreas, Probst-Kepper, Michael, Guzman, Carlos A, Hansen, Wiebke, Westendorf, Astrid M, ...

Abstract Background Naturally occurring CD4 + CD25 + regulatory T cells (T Reg ) are involved in the control of autoimmune diseases, transplantation tolerance, and anti-tumor immunity. Thus far,...

The host response to the probiotic Escherichia colistrain Nissle 1917: Specific up-regulation of the proinflammatory chemokine MCP-1 (2005)

Ukena, Sya N, Westendorf, Astrid M, Hansen, Wiebke, Rohde, Manfred, Geffers, Robert, Coldewey, Sina, ...

Abstract Background The use of live microorganisms to influence positively the course of intestinal disorders such as infectious diarrhea or chronic inflammatory conditions has recently gained...

Hierarchical structure and modules in the Escherichia colitranscriptional regulatory network revealed by a new top-down approach (2004)

Ma, Hong-Wu, Buer, Jan, Zeng, An-Ping

Abstract Background Cellular functions are coordinately carried out by groups of genes forming functional modules. Identifying such modules in the transcriptional regulatory network (TRN) of...

Skp2-dependent degradation of p27kip1 is essential for cell cycle progression (2004)

Kossatz, Uta, Dietrich, Nils, Zender, Lars, Buer, Jan, Manns, Michael P., Malek, Nisar P.

The activity of the SCFskp2 E3 ligase is required for the proteolytic turnover of several proteins involved in cell cycle control and transcriptional regulation. Loss of skp2 in the mouse leads to a...

An extended transcriptional regulatory network of Escherichia coli and analysis of its hierarchical structure and network motifs (2004)

Ma, Hong-Wu, Kumar, Bharani, Ditges, Uta, Gunzer, Florian, Buer, Jan, Zeng, An-Ping

Recent studies of genome-wide transcriptional regulatory network (TRN) revealed several intriguing structural and dynamic features of gene expression at a system level. Unfortunately, the network...

Funktionelle Genomanalyse des T-Zell-Immunsystems : Selektion, Überleben und Regulation / (2001)

Buer, Jan.

Enth. ausserdem 7 Sonderabdr. aus verschiedenen Zeitschr.- Beitr. teilw. dt., teilw. engl.

Peripheral Blood Tyrosinase Messenger RNA Detection and Survival in Malignant Melanoma (1996)

Kunter, Uta, Buer, Jan, Probst, Michael, Duensing, Stefan, Dallmann, Iris, Grosse, Jens, ...

Background: The most widely accepted criteria for the evaluation of prognosis of malignant melanoma are histopathologic and clinical presentation. No currently available laboratory tests provide...

Comparison of a Shiga Toxin Enzyme-Linked Immunosorbent Assay and Two Types of PCR for Detection of Shiga Toxin-Producing Escherichia coli in Human Stool Specimens

Pulz, Matthias, Matussek, Andreas, Monazahian, Masyar, Tittel, Andreas, Nikolic, Elisabet, Hartmann, Maike, ...

Shiga toxin (Stx)-producing Escherichia coli (STEC) is a major cause of sporadic cases of disease as well as serious outbreaks worldwide. The spectrum of illnesses includes mild nonbloody diarrhea,...

Expression Analysis of a Highly Adherent and Cytotoxic Small Colony Variant of Pseudomonas aeruginosa Isolated from a Lung of a Patient with Cystic Fibrosis†

Von Götz, Franz, Häussler, Susanne, Jordan, Doris, Saravanamuthu, Senthil Selvan, Wehmhöner, Dirk, Strüßmann, André, ...

The heterogeneous environment of the lung of the cystic fibrosis (CF) patient gives rise to Pseudomonas aeruginosa small colony variants (SCVs) with increased antibiotic resistance, autoaggregative...

Long-Term Anaerobic Survival of the Opportunistic Pathogen Pseudomonas aeruginosa via Pyruvate Fermentation

Eschbach, Martin, Schreiber, Kerstin, Trunk, Katharina, Buer, Jan, Jahn, Dieter, Schobert, Max

Denitrification and arginine fermentation are central metabolic processes performed by the opportunistic pathogen Pseudomonas aeruginosa during biofilm formation and infection of lungs of patients...

Evidence for Polyadenylated mRNA in Pseudomonas aeruginosa

Saravanamuthu, Senthil Selvan, Von Götz, Franz, Salunkhe, Prabhakar, Chozhavendan, Rathinam, Geffers, Robert, Buer, Jan, ...

In this paper, we report the synthesis of Pseudomonas aeruginosa cDNA in the presence of oligo(dT) primers. Hybridization of oligonucleotide DNA microarrays indicates that under the experimental...

Skp2-dependent degradation of p27kip1 is essential for cell cycle progression

Kossatz, Uta, Dietrich, Nils, Zender, Lars, Buer, Jan, Manns, Michael P., Malek, Nisar P.

The activity of the SCFskp2 E3 ligase is required for the proteolytic turnover of several proteins involved in cell cycle control and transcriptional regulation. Loss of skp2 in the mouse leads to a...

The Mycoplasma-Derived Macrophage-Activating 2-Kilodalton Lipopeptide Triggers Global Immune Activation on Nasal Mucosa-Associated Lymphoid Tissues

Rharbaoui, Faiza, Westendorf, Astrid, Link, Claudia, Felk, Sandra, Buer, Jan, Gunzer, Matthias, ...

A better knowledge on how immune responses are initiated in mucosal tissues would facilitate the design of new mucosal vaccines, as well as improve our understanding on host defense against...

An extended transcriptional regulatory network of Escherichia coli and analysis of its hierarchical structure and network motifs

Ma, Hong-Wu, Kumar, Bharani, Ditges, Uta, Gunzer, Florian, Buer, Jan, Zeng, An-Ping

Recent studies of genome-wide transcriptional regulatory network (TRN) revealed several intriguing structural and dynamic features of gene expression at a system level. Unfortunately, the network...

Genome-Wide Transcriptional Profiling of the Steady-State Response of Pseudomonas aeruginosa to Hydrogen Peroxide

Salunkhe, Prabhakar, Töpfer, Tanja, Buer, Jan, Tümmler, Burkhard

The steady-state response of Pseudomonas aeruginosa to the oxidative-stress-generating agent hydrogen peroxide was analyzed by PAO1 transcriptome profiling. In total, 694, 411, and 237 genes were...

Common and Unique Gene Expression Signatures of Human Macrophages in Response to Four Strains of Mycobacterium avium That Differ in Their Growth and Persistence Characteristics

Blumenthal, Antje, Lauber, Jörg, Hoffmann, Reinhard, Ernst, Martin, Keller, Christine, Buer, Jan, ...

Classification of pathogenic species according to the distinct host transcriptional responses that they elicit may become a relevant tool for microarray-based diagnosis of infection. Individual...

The cellular level of telomere dysfunction determines induction of senescence or apoptosis in vivo

Lechel, André, Satyanarayana, Ande, Ju, Zhenyu, Plentz, Ruben R, Schaetzlein, Sonja, Rudolph, Cornelia, ...

Telomere dysfunction induces two types of cellular response: cellular senescence and apoptosis. We analysed the extent to which the cellular level of telomere dysfunction and p53 gene status affect...

Quorum-Sensing Antagonistic Activities of Azithromycin in Pseudomonas aeruginosa PAO1: a Global Approach

Nalca, Yusuf, Jänsch, Lothar, Bredenbruch, Florian, Geffers, Robert, Buer, Jan, Häussler, Susanne

The administration of macrolides such as azithromycin for chronic pulmonary infection of cystic fibrosis patients has been reported to be of benefit. Although the mechanisms of action remain obscure,...

Comparison of a Shiga Toxin Enzyme-Linked Immunosorbent Assay and Two Types of PCR for Detection of Shiga Toxin-Producing Escherichia coli in Human Stool Specimens

Pulz, Matthias, Matussek, Andreas, Monazahian, Masyar, Tittel, Andreas, Nikolic, Elisabet, Hartmann, Maike, ...

Shiga toxin (Stx)-producing Escherichia coli (STEC) is a major cause of sporadic cases of disease as well as serious outbreaks worldwide. The spectrum of illnesses includes mild nonbloody diarrhea,...

Expression Analysis of a Highly Adherent and Cytotoxic Small Colony Variant of Pseudomonas aeruginosa Isolated from a Lung of a Patient with Cystic Fibrosis†

Von Götz, Franz, Häussler, Susanne, Jordan, Doris, Saravanamuthu, Senthil Selvan, Wehmhöner, Dirk, Strüßmann, André, ...

The heterogeneous environment of the lung of the cystic fibrosis (CF) patient gives rise to Pseudomonas aeruginosa small colony variants (SCVs) with increased antibiotic resistance, autoaggregative...

Long-Term Anaerobic Survival of the Opportunistic Pathogen Pseudomonas aeruginosa via Pyruvate Fermentation

Eschbach, Martin, Schreiber, Kerstin, Trunk, Katharina, Buer, Jan, Jahn, Dieter, Schobert, Max

Denitrification and arginine fermentation are central metabolic processes performed by the opportunistic pathogen Pseudomonas aeruginosa during biofilm formation and infection of lungs of patients...

Evidence for Polyadenylated mRNA in Pseudomonas aeruginosa

Saravanamuthu, Senthil Selvan, Von Götz, Franz, Salunkhe, Prabhakar, Chozhavendan, Rathinam, Geffers, Robert, Buer, Jan, ...

In this paper, we report the synthesis of Pseudomonas aeruginosa cDNA in the presence of oligo(dT) primers. Hybridization of oligonucleotide DNA microarrays indicates that under the experimental...

Skp2-dependent degradation of p27kip1 is essential for cell cycle progression

Kossatz, Uta, Dietrich, Nils, Zender, Lars, Buer, Jan, Manns, Michael P., Malek, Nisar P.

The activity of the SCFskp2 E3 ligase is required for the proteolytic turnover of several proteins involved in cell cycle control and transcriptional regulation. Loss of skp2 in the mouse leads to a...

The Mycoplasma-Derived Macrophage-Activating 2-Kilodalton Lipopeptide Triggers Global Immune Activation on Nasal Mucosa-Associated Lymphoid Tissues

Rharbaoui, Faiza, Westendorf, Astrid, Link, Claudia, Felk, Sandra, Buer, Jan, Gunzer, Matthias, ...

A better knowledge on how immune responses are initiated in mucosal tissues would facilitate the design of new mucosal vaccines, as well as improve our understanding on host defense against...

An extended transcriptional regulatory network of Escherichia coli and analysis of its hierarchical structure and network motifs

Ma, Hong-Wu, Kumar, Bharani, Ditges, Uta, Gunzer, Florian, Buer, Jan, Zeng, An-Ping

Recent studies of genome-wide transcriptional regulatory network (TRN) revealed several intriguing structural and dynamic features of gene expression at a system level. Unfortunately, the network...

Genome-Wide Transcriptional Profiling of the Steady-State Response of Pseudomonas aeruginosa to Hydrogen Peroxide

Salunkhe, Prabhakar, Töpfer, Tanja, Buer, Jan, Tümmler, Burkhard

The steady-state response of Pseudomonas aeruginosa to the oxidative-stress-generating agent hydrogen peroxide was analyzed by PAO1 transcriptome profiling. In total, 694, 411, and 237 genes were...

Common and Unique Gene Expression Signatures of Human Macrophages in Response to Four Strains of Mycobacterium avium That Differ in Their Growth and Persistence Characteristics

Blumenthal, Antje, Lauber, Jörg, Hoffmann, Reinhard, Ernst, Martin, Keller, Christine, Buer, Jan, ...

Classification of pathogenic species according to the distinct host transcriptional responses that they elicit may become a relevant tool for microarray-based diagnosis of infection. Individual...

The cellular level of telomere dysfunction determines induction of senescence or apoptosis in vivo

Lechel, André, Satyanarayana, Ande, Ju, Zhenyu, Plentz, Ruben R, Schaetzlein, Sonja, Rudolph, Cornelia, ...

Telomere dysfunction induces two types of cellular response: cellular senescence and apoptosis. We analysed the extent to which the cellular level of telomere dysfunction and p53 gene status affect...

Quorum-Sensing Antagonistic Activities of Azithromycin in Pseudomonas aeruginosa PAO1: a Global Approach

Nalca, Yusuf, Jänsch, Lothar, Bredenbruch, Florian, Geffers, Robert, Buer, Jan, Häussler, Susanne

The administration of macrolides such as azithromycin for chronic pulmonary infection of cystic fibrosis patients has been reported to be of benefit. Although the mechanisms of action remain obscure,...

Signatures of human regulatory T cells: an encounter with old friends and new players

Pfoertner, Susanne, Jeron, Andreas, Probst-Kepper, Michael, Guzman, Carlos A, Hansen, Wiebke, Westendorf, Astrid M, ...

Comparison of the gene expression in human T regulatory cells and naïve cells using a T regulatory cell-specific microarray reveals cell-specific gene signatures.

Testing the importance of p27 degradation by the SCFskp2 pathway in murine models of lung and colon cancer

Timmerbeul, Inke, Garrett-Engele, Carrie M., Kossatz, Uta, Chen, Xueyan, Firpo, Eduardo, Grünwald, Viktor, ...

Decreased expression of the CDK inhibitor p27kip1 in human tumors directly correlates with increased resistance to chemotherapies, increased rates of metastasis, and an overall increased rate of...

Essential Role of CCL2 in Clustering of Splenic ERTR-9+ Macrophages during Infection of BALB/c Mice by Listeria monocytogenes▿

Jablonska, Jadwiga, Dittmar, Kurt E., Kleinke, Tanja, Buer, Jan, Weiss, Siegfried

Early interactions between pathogens and host cells are often decisive for the subsequent course of infection. Here we investigated early events during infection by Listeria monocytogenes, a...

Salmonella enterica Serovar Typhimurium Exploits Inflammation to Compete with the Intestinal Microbiota

Stecher, Bärbel, Robbiani, Riccardo, Walker, Alan W, Westendorf, Astrid M, Barthel, Manja, Kremer, Marcus, ...

Most mucosal surfaces of the mammalian body are colonized by microbial communities (“microbiota”). A high density of commensal microbiota inhabits the intestine and shields from infection...

Developmental Stage, Phenotype, and Migration Distinguish Naive- and Effector/Memory-like CD4+ Regulatory T Cells

Huehn, Jochen, Siegmund, Kerstin, Lehmann, Joachim C.U., Siewert, Christiane, Haubold, Uta, Feuerer, Markus, ...

Regulatory T cells (Tregs) fulfill a central role in immune regulation. We reported previously that the integrin αEβ7 discriminates distinct subsets of murine CD4+ regulatory T cells. Use of this...

Role of Different T Cell Receptors in the Development of Pre–T Cells

Buer, Jan, Aifantis, Iannis, DiSanto, James P., Fehling, Hans Joerg, Boehmer, Harald Von

The development of pre–T cells with productive TCR-β rearrangements can be mediated by each the pre–T cell receptor (pre-TCR), the TCR-αβ as well as the TCR-γδ, albeit by distinct...

Interleukin 10 Secretion and Impaired Effector Function of Major Histocompatibility Complex Class II–restricted T Cells Anergized In Vivo

Buer, Jan, Lanoue, Astrid, Franzke, Anke, Garcia, Corinne, Boehmer, Harald Von, Sarukhan, Adelaida

Continuous antigenic stimulation in vivo can result in the generation of so-called “anergic” CD4+ or CD8+ T cells that fail to proliferate upon antigenic stimulation and fail to develop cytolytic...

Dynamic cumulative activity of transcription factors as a mechanism of quantitative gene regulation

He, Feng, Buer, Jan, Zeng, An-Ping, Balling, Rudi

By combining information on the yeast transcription network and high-resolution time-series data with a series of factors, support is provided for the concept that dynamic cumulative regulation is a...