Rudi Beyaert

MAPPIT (Mammalian Protein-Protein Interaction Trap) analysis of early steps in Toll-Like receptor signalling (2009)

Ulrichts, Peter, Lemmens, Irma, Lavens, Delphine, Beyaert, Rudi, Tavernier, Jan

The mammalian protein-protein interaction trap (MAPPIT) is a two-hybrid technique founded on type I cytokine signal transduction. Thereby, bait and prey proteins are linked to signalling deficient...

Cellular expression of A20 and ABIN-3 in response to Toll-like Receptor-4 stimulation (2009)

Verhelst, Kelly, Verstrepen, Lynn, Coornaert, Beatrice, Carpentier, Isabelle, Beyaert, Rudi

Although Toll-like receptor (TLR)-induced expression of several proinflammatory genes is required to provoke an efficient immune response, excessive or prolonged activation of TLR signaling can...

ABINs: A20 binding inhibitors of NF-kappa B and apoptosis signaling (2009)

Verstrepen, Lynn, Carpentier, Isabelle, Verhelst, Kelly, Beyaert, Rudi

ABINs have been described as three different proteins (ABIN-1, ABIN-2, ABIN-3) that bind the ubiquitin-editing nuclear factor-kappa B (NF-kappa B) inhibitor protein A20 and which show limited...

Translational control of eukaryotic gene expression (2009)

Van Der Kelen, Katrien, Beyaert, Rudi, Inzé, Dirk, De Veylder, Lieven

Translational control mechanisms are, besides transcriptional control and mRNA stability, the most deter mining for final protein levels. A large number of accessory factors that assist the ribosome...

The S. Typhimurium Effector SopE Induces Caspase-1 Activation in Stromal Cells to Initiate Gut Inflammation (2009)

Mueller, Andreas J., Hoffmann, Claudia, Galle, Marlies, Van Den Broeke, Aeke, Heikenwalder, Mathias, Falter, Laura, ...

In the healthy intestinal mucosa, homeostasis between the immune system and commensal micro-flora prevents detrimental inflammatory responses. Infection with acute enteropathogens such as Salmonella...

The ubiquitin-editing enzyme A20 (TNFAIP3) is a central regulator of immunopathology (2009)

Vereecke, Lars, Beyaert, Rudi, Van Loo, Geert

Nuclear factor (NF)-kappa B has an important role in immunity and inappropriate NF-kappa B activity has been linked with many autoimmune and inflammatory diseases. Multiple mechanisms normally ensure...

TLR-4, IL-1R and TNF-R signaling to NF-kB: variations on a common theme (2008)

Verstrepen, L, Bekaert, T, Chau, Tieu-Lan, Tavernier, J, Chariot, Alain, Beyaert, Rudi

Toll-like receptors (TLRs) as well as the receptors for tumor necrosis factor (TNF-R) and interleukin-1 (IL-1R) play an important role in innate immunity by regulating the activity of distinct...

Are the IKKs and IKK-related kinases TBK1/IKKe similarly activated ? (2008)

Chau, Tieu-Lan, Gioia, Romain, Gatot, Jean-Stéphane, Patrascu, Felicia Alina, Carpentier, Isabelle, Chapelle, Jean-Paul, ...

The IKKs, IKKa and IKKb, and the IKK-related kinases TBK1 and IKKe, play essential roles in innate immunity through signal-induced activation of NF-κB and IRF3/7, respectively. Although the...

A Novel TRAF6 Binding Site in MALT1 Defines Distinct Mechanisms of NF-{kappa}B Activation by API2{middle dot}MALT1 Fusions (2007)

Van Loo, Geert, Hagens, Sofie, Broeckx, Vicky, Beyaert, Rudi, ...

The recurrent translocation t(11;18)(q21;q21) associated with mucosa-associated lymphoid tissue (MALT) lymphoma results in the expression of an API2.MALT1 fusion protein that constitutively activates...

TNFa and IKKb-mediated TANK/I-TRAF phosphorylation: implications for interaction with NEMO/IKKg and NF-kB activation (2006)

Bonif, Marianne, Meuwis, Marie-Alice, Close, Pierre, Benoit, Valérie, Heyninck, Karen, Chapelle, Jean-Paul, ...

Pro-inflammatory cytokines trigger signalling cascades leading to NF-kappaB (nuclear factor-kappaB)-dependent gene expression through IKK [IkappaB (inhibitory kappaB) kinase]-dependent...

Adenoviral gene transfer of ABIN-1 protects mice from TNF/galactosamine-induced acute liver failure and lethality (2005)

Wielockx, Ben, Van Huffel, Sofie, Bogaert, Veerle, Papeleu, Peggy, ...

Tumor necrosis factor (TNF) is a proinflammatory cytokine that plays a central role in acute and chronic hepatitis B and C infection and alcoholic liver disease as well as fulminant liver failure....

The polypyrimidine tract-binding protein stimulates HIF-1{alpha} IRES-mediated translation during hypoxia (2005)

Schepens, Bert, Tinton, Sandrine A., Bruynooghe, Yanik, Beyaert, Rudi, Cornelis, Sigrid

When oxygen supply is restricted, protein synthesis is rapidly abrogated owing to inhibition of global translation. However, HIF-1α protein expression can persist during hypoxia, owing to an...

UNR translation can be driven by an IRES element that is negatively regulated by polypyrimidine tract binding protein (2005)

Cornelis, Sigrid, Tinton, Sandrine A., Schepens, Bert, Bruynooghe, Yanik, Beyaert, Rudi

Upstream of N-ras (Unr) has been described as an internal initiation trans-acting factor (ITAF) in the cap-independent translation of some particular viral and cellular mRNAs. Two factors led us to...

Enhanced osteoclast development in collagen-induced arthritis in interferon-gamma receptor knock-out mice as related to increased splenic CD11b+ myelopoiesis (2004)

Carpentier, Isabelle, Habraken, Yvette, Piette, Jacques, ...

Collagen-induced arthritis (CIA) in mice is accompanied by splenomegaly due to the selective expansion of immature CD11b+ myeloblasts. Both disease manifestations are more pronounced in...

Enhanced osteoclast development in collagen-induced arthritis in interferon-γ receptor knock-out mice as related to increased splenic CD11b+myelopoiesis (2004)

De Klerck, Bert, Carpentier, Isabelle, Lories, Rik J, Habraken, Yvette, Piette, Jacques, Carmeliet, Geert, ...

Abstract Collagen-induced arthritis (CIA) in mice is accompanied by splenomegaly due to the selective expansion of immature CD11b + myeloblasts. Both disease manifestations are more pronounced in...

Yeast Two-Hybrid: State of the Art

Van Criekinge, Wim, Beyaert, Rudi

Genome projects are approaching completion and are saturating sequence databases. This paper discusses the role of the two-hybrid system as a generator of hypotheses. Apart from this rather...

Enhanced osteoclast development in collagen-induced arthritis in interferon-γ receptor knock-out mice as related to increased splenic CD11b+ myelopoiesis

De Klerck, Bert, Carpentier, Isabelle, Lories, Rik J, Habraken, Yvette, Piette, Jacques, Carmeliet, Geert, ...

Collagen-induced arthritis (CIA) in mice is accompanied by splenomegaly due to the selective expansion of immature CD11b+ myeloblasts. Both disease manifestations are more pronounced in interferon-γ...

Regulation of the cell-cycle-dependent internal ribosome entry site of the PITSLRE protein kinase: roles of Unr (upstream of N-ras) protein and phosphorylated translation initiation factor eIF-2α

Tinton, Sandrine A., Schepens, Bert, Bruynooghe, Yanik, Beyaert, Rudi, Cornelis, Sigrid

The PITSLRE kinases belong to the large family of cyclin-dependent protein kinases. Their function has been related to cell-cycle regulation, splicing and apoptosis. We have previously shown that the...

UNR translation can be driven by an IRES element that is negatively regulated by polypyrimidine tract binding protein

Cornelis, Sigrid, Tinton, Sandrine A., Schepens, Bert, Bruynooghe, Yanik, Beyaert, Rudi

Upstream of N-ras (Unr) has been described as an internal initiation trans-acting factor (ITAF) in the cap-independent translation of some particular viral and cellular mRNAs. Two factors led us to...

The polypyrimidine tract-binding protein stimulates HIF-1α IRES-mediated translation during hypoxia

Schepens, Bert, Tinton, Sandrine A., Bruynooghe, Yanik, Beyaert, Rudi, Cornelis, Sigrid

When oxygen supply is restricted, protein synthesis is rapidly abrogated owing to inhibition of global translation. However, HIF-1α protein expression can persist during hypoxia, owing to an...

TNFα- and IKKβ-mediated TANK/I-TRAF phosphorylation: implications for interaction with NEMO/IKKγ and NF-κB activation

Bonif, Marianne, Meuwis, Marie-Alice, Close, Pierre, Benoit, Valérie, Heyninck, Karen, Chapelle, Jean-Paul, ...

Pro-inflammatory cytokines trigger signalling cascades leading to NF-κB (nuclear factor-κB)-dependent gene expression through IKK [IκB (inhibitory κB) kinase]-dependent phosphorylation and...

Yeast Two-Hybrid: State of the Art

Van Criekinge, Wim, Beyaert, Rudi

Genome projects are approaching completion and are saturating sequence databases. This paper discusses the role of the two-hybrid system as a generator of hypotheses. Apart from this rather...

Enhanced osteoclast development in collagen-induced arthritis in interferon-γ receptor knock-out mice as related to increased splenic CD11b+ myelopoiesis

De Klerck, Bert, Carpentier, Isabelle, Lories, Rik J, Habraken, Yvette, Piette, Jacques, Carmeliet, Geert, ...

Collagen-induced arthritis (CIA) in mice is accompanied by splenomegaly due to the selective expansion of immature CD11b+ myeloblasts. Both disease manifestations are more pronounced in interferon-γ...

Regulation of the cell-cycle-dependent internal ribosome entry site of the PITSLRE protein kinase: roles of Unr (upstream of N-ras) protein and phosphorylated translation initiation factor eIF-2α

Tinton, Sandrine A., Schepens, Bert, Bruynooghe, Yanik, Beyaert, Rudi, Cornelis, Sigrid

The PITSLRE kinases belong to the large family of cyclin-dependent protein kinases. Their function has been related to cell-cycle regulation, splicing and apoptosis. We have previously shown that the...

UNR translation can be driven by an IRES element that is negatively regulated by polypyrimidine tract binding protein

Cornelis, Sigrid, Tinton, Sandrine A., Schepens, Bert, Bruynooghe, Yanik, Beyaert, Rudi

Upstream of N-ras (Unr) has been described as an internal initiation trans-acting factor (ITAF) in the cap-independent translation of some particular viral and cellular mRNAs. Two factors led us to...

The polypyrimidine tract-binding protein stimulates HIF-1α IRES-mediated translation during hypoxia

Schepens, Bert, Tinton, Sandrine A., Bruynooghe, Yanik, Beyaert, Rudi, Cornelis, Sigrid

When oxygen supply is restricted, protein synthesis is rapidly abrogated owing to inhibition of global translation. However, HIF-1α protein expression can persist during hypoxia, owing to an...

TNFα- and IKKβ-mediated TANK/I-TRAF phosphorylation: implications for interaction with NEMO/IKKγ and NF-κB activation

Bonif, Marianne, Meuwis, Marie-Alice, Close, Pierre, Benoit, Valérie, Heyninck, Karen, Chapelle, Jean-Paul, ...

Pro-inflammatory cytokines trigger signalling cascades leading to NF-κB (nuclear factor-κB)-dependent gene expression through IKK [IκB (inhibitory κB) kinase]-dependent phosphorylation and...

A role for hnRNP C1/C2 and Unr in internal initiation of translation during mitosis

Schepens, Bert, Tinton, Sandrine A, Bruynooghe, Yanik, Parthoens, Eef, Haegman, Mira, Beyaert, Rudi, ...

The upstream of N-Ras (Unr) protein is involved in translational regulation of specific genes. For example, the Unr protein contributes to translation mediated by several viral and cellular internal...

Inhibition of Interleukin 1 Receptor/Toll-like Receptor Signaling through the Alternatively Spliced, Short Form of MyD88 Is Due to Its Failure to Recruit IRAK-4

Burns, Kimberly, Janssens, Sophie, Brissoni, Brian, Olivos, Natalia, Beyaert, Rudi, Tschopp, Jürg

Toll-like receptors (TLRs) and members of the proinflammatory interleukin 1 receptor (IL-1R) family are dependent on the presence of MyD88 for efficient signal transduction. The bipartite nature of...

Inhibition of Caspases Increases the Sensitivity of L929 Cells to Necrosis Mediated by Tumor Necrosis Factor

Vercammen, Dominique, Beyaert, Rudi, Denecker, Geertrui, Goossens, Vera, Van Loo, Geert, Declercq, Wim, ...

Murine L929 fibrosarcoma cells treated with tumor necrosis factor (TNF) rapidly die in a necrotic way, due to excessive formation of reactive oxygen intermediates. We investigated the role of...

The Zinc Finger Protein A20 Inhibits TNF-induced NF-κB–dependent Gene Expression by Interfering with an RIP- or TRAF2-mediated Transactivation Signal and Directly Binds to a Novel NF-κB–inhibiting Protein ABIN

Heyninck, Karen, De Valck, Dirk, Berghe, Wim Vanden, Van Criekinge, Wim, Contreras, Roland, Fiers, Walter, ...

The zinc finger protein A20 is a tumor necrosis factor (TNF)– and interleukin 1 (IL-1)-inducible protein that negatively regulates nuclear factor-kappa B (NF-κB)–dependent gene expression....

Sensing of Viral Infection and Activation of Innate Immunity by Toll-Like Receptor 3

Vercammen, Elisabeth, Staal, Jens, Beyaert, Rudi

Toll-like receptors (TLRs) form a major group of transmembrane receptors that are involved in the detection of invading pathogens. Double-stranded RNA is a marker for viral infection that is...

Inflammatory cardiac valvulitis in TAX1BP1-deficient mice through selective NF-κB activation

Iha, Hidekatsu, Peloponese, Jean-Marie, Verstrepen, Lynn, Zapart, Grzegorz, Ikeda, Fumiyo, Smith, C Dahlem, ...

Nuclear factor kappa B (NF-κB) is a key mediator of inflammation. Unchecked NF-κB signalling can engender autoimmune pathologies and cancers. Here, we show that Tax1-binding protein 1 (TAX1BP1) is...

Stimulation of Toll-like receptor 3 and 4 induces interleukin-1β maturation by caspase-8

Maelfait, Jonathan, Vercammen, Elisabeth, Janssens, Sophie, Schotte, Peter, Haegman, Mira, Magez, Stefan, ...

The cytokine interleukin (IL)-1β is a key mediator of the inflammatory response and has been implicated in the pathophysiology of acute and chronic inflammation. IL-1β is synthesized in response to...