Joël Vandekerckhove

The PDZ2 domain of zonula occludens-1 and -2 is a phosphoinositide binding domain (2009)

Tun, Moe, Remue, Eline, De Ganck, Ariane, Boucherie, Ciska, Vanloo, Berlinda, ...

Zonula occludens proteins (ZO) are postsynaptic density protein-95 discs large-zonula occludens (PDZ) domain-containing proteins that play a fundamental role in the assembly of tight junctions and...

A review of COFRADIC techniques targeting protein N-terminal acetylation (2009)

Van Damme, Petra, Van Damme, Jozef, Demol, Hans, Staes, An, Vandekerckhove, Joël, Gevaert, Kris

Abstract Acetylation of nascent protein N α -termini is a common modification among archae and eukaryotes and can influence the structure and function of target proteins. This modification has been...

Phenotypes induced by NM causing α-skeletal muscle actin mutants in fibroblasts, Sol 8 myoblasts and myotubes (2009)

Vandamme, Drieke, Lambert, Ellen, Waterschoot, Davy, Tondeleir, Davina, Vandekerckhove, Joël, Machesky, Laura M, ...

Abstract Background Nemaline myopathy is a neuromuscular disorder characterized by the presence of nemaline bodies in patient muscles. 20% of the cases are associated with α-skeletal muscle actin...

The actin-capping protein CapG localizes to microtubule-dependent organelles during the cell cycle (2009)

Hubert, Thomas, Van Impe, Katrien, Vandekerckhove, Joël, Gettemans, Jan

Extensive cross-talk between the actin and the microtubule cytoskeletons has been reported. Especially In mitosis, processes dependent on actin- and microtubule-based structures alternate and...

Analysis of Protein Processing by N-terminal Proteomics Reveals Novel Species-specific Substrate Determinants of Granzyme B Orthologs (2009)

Van Damme, Petra, Maurer-Stroh, Sebastian, Plasman, Kim, Van Durme, Joost, Colaert, Niklaas, Timmerman, Evy, ...

Using a targeted peptide-centric proteomics approach, we performed in vitro protease substrate profiling of the apoptotic serine protease granzyme B resulting in the delineation of more than 800...

The atypical kinase Cdk5 is activated by insulin, regulates the association between GLUT4 and E-Syt1, and modulates glucose transport in 3T3-L1 adipocytes (2009)

Lalioti, Vasiliki, Muruais, Gemma, Dinarina, Ana, Van Damme, Jozef, Vandekerckhove, Joël, Sandoval, Ignacio V.

Here, we report that Cdk5 activation is stimulated by insulin and plays a key role in the regulation of GLUT4-mediated glucose uptake in 3T3-L1 adipocytes. Insulin activation of Cdk5 requires PI3K...

alpha-Skeletal Muscle Actin Mutants Causing Different Congenital Myopathies Induce Similar Cytoskeletal Defects in Cell Line Cultures (2009)

Vandamme, Drieke, Rommelaere, Heidi, Lambert, Ellen, Waterschoot, Davy, Vandekerckhove, Joël, Constantin, Bruno, ...

Central core disease (CCD), congenital fibre type disproportion (CFTD), and nemaline myopathy (NM) are earlyonset clinically heterogeneous congenital myopathies, characterized by generalized Muscle...

The Mouse Thymosin Beta15 Gene Family Displays Unique Complexity and Encodes A Functional Thymosin Repeat (2009)

Dhaese, Stien, Vandepoele, Klaas, Waterschoot, Davy, Vanloo, Berlinda, Vandekerckhove, Joël, Ampe, Christophe, ...

We showed earlier that human beta -thymosin 15 (Th15) is up-regulated in prostate cancer, confirming Studies from others that propagated Tb15 as a prostate cancer biomarker. In this first report on...

The Interaction of Proline-Rich Ligands with Profilin Probed with an Enzyme-Linked Immunosorbent Assay (2009)

Veniere, Sylvie, Ampe, Christophe, Vandekerckhove, Joël, Lambrechts, Anja

To to detect interactions of different proline-rich ligands with profilins, the authors developed a simple analytical antibody-based screening method. profilin I or profilin IIa was coated in...

Proteomics analyses reveal the evolutionary conservation and divergence of N-terminal acetyltransferases from yeast and humans (2009)

Arnesen, Thomas, Van Damme, Petra, Polevoda, Bogdan, Helsens, Kenny, Evjenth, Rune, Colaert, Niklaas, ...

N alpha-terminal acetylation is one of the most common protein modifications in eukaryotes. The COmbined FRActional DIagonal Chromatography (COFRADIC) proteomics technology that can be specifically...

Structure of granzyme C reveals an unusual mechanism of protease autoinhibition (2009)

Kaiserman, Dion, Buckle, Ashley M, Van Damme, Petra, Irving, James A., Law, Ruby H. P., Matthews, Antony Y., ...

Proteases act in important homeostatic pathways and are tightly regulated. Here, we report an unusual structural mechanism of regulation observed by the 2.5-angstrom X-ray crystal structure of the...

Down-regulation of myopodin expression reduces invasion and motility of PC-3 prostate cancer cells (2009)

De Ganck, Ariane, DE CORTE, VEERLE, Bruyneel, Erik, Bracke, Marc, Vandekerckhove, Joël, Gettemans, Jan

Enhanced motility of cancer cells by remodelling of the actin cytoskeleton is crucial in the process of cancer cell invasion and metastasis. Although several studies propose a tumor suppressor role...

alpha-Skeletal muscle actin nemaline myopathy mutants cause cell death in cultured muscle cells. (2009)

Vandamme, Drieke, Lambert, Ellen, Waterschoot, Davy, Cognard, C., Vandekerckhove, Joël, Ampe, Christophe, ...

Nemaline myopathy is a neuromuscular disorder, characterized by muscle weakness and hypotonia and is, in 20% of the cases, caused by mutations in the gene encoding alpha-skeletal muscle actin, ACTA1....

A review of COFRADIC techniques targeting protein N-terminal acetylation (2009)

Van Damme, Petra, Van Damme, Jozef, Demol, Hans, Staes, An, Vandekerckhove, Joël, Gevaert, Kris

Acetylation of nascent protein Nalpha-termini is a common modification among archae and eukaryotes and can influence the structure and function of target proteins. This modification has been studied...

Approaching clinical proteomics: current state and future fields of application in fluid proteomics (2009)

Apweiler, Rolf, Aslanidis, Charalampos, Deufel, Thomas, Gerstner, Andreas, Hansen, Jens, Hochstrasser, Dennis, ...

The field of clinical proteomics offers opportunities to identify new disease biomarkers in body fluids, cells and tissues. These biomarkers can be used in clinical applications for diagnosis,...

Exo70-Mediated Recruitment of Nucleoporin Nup62 at the Leading Edge of Migrating Cells is Required for Cell Migration (2009)

Hubert, Thomas, Vandekerckhove, Joël, Gettemans, Jan

Nucleoporin Nup62 localizes at the central channel of the nuclear pore complex and is essential for nucleocytoplasmic transport. Through its FG-repeat domain, Nup62 regulates nuclear pore...

Getting a grip on proteomics data - Proteomics Data Collection (ProDaC) (2009)

Eisenacher, Martin, Martens, Lennart, Kohl, Michael, Barsnes, Harald, Helsens, Kenny, Häkkinen, Jari, ...

In proteomics, rapid developments in instrumentation led to the acquisition of increasingly large data sets. Correspondingly, ProDaC was founded in 2006 as a Coordination Action project within the...

Phenotypes induced by NM causing alpha-skeletal muscle actin mutants in fibroblasts, Sol 8 myoblasts and myotubes. (2009)

Vandamme, Drieke, Lambert, Ellen, Waterschoot, Davy, Tondeleir, Davina, Machesky, Laura M, Vandekerckhove, Joël, ...

Background Nemaline myopathy is a neuromuscular disorder characterized by the presence of nemaline bodies in patient muscles. 20% of the cases are associated with α-skeletal muscle actin mutations....

Actin isoform expression patterns during mammalian development and in pathology: Insights from mouse models. (2009)

Tondeleir, Davina, Vandamme, Drieke, Vandekerckhove, Joël, Ampe, Christophe, Lambrechts, Anja

The dynamic actin cytoskeleton, consisting of six actin isoforms in mammals and a variety of actin binding proteins is essential for all developmental processes and for the viability of the adult...

Unbalancing the phosphatidylinositol-4,5-bisphosphate-cofilin interaction impairs cell steering. (2009)

Leyman, S., Sidani, M., Ritsma, L., Waterschoot, Davy, Eddy, R., Dewitte, D., ...

Cofilin is a key player in actin dynamics during cell migration. Its activity is regulated by (de)phosphorylation, pH, and binding to phosphatidylinositol-4,5-bisphosphate [PI(4,5)P(2)]. Here, we...

Protein processing characterized by a gel-free proteomics approach (2008)

Van Damme, Petra, Impens, Francis, Vandekerckhove, Joël, Gevaert, Kris

We describe a method for the specific isolation of representative N-terminal peptides of proteins and their proteolytic fragments. Their isolation is based on a gel-free, peptidecentric proteomics...

The F-actin filament capping protein CapG is a bona fide nucleolar protein (2008)

Hubert, Thomas, Van Impe, Katrien, Vandekerckhove, Joël, Gettemans, Jan

Actin works in concert with myosin I to regulate the transcription of ribosomal genes in the nucleolus. Recently, nucleolar actin has been shown to be active in its polymeric form raising the...

The Tandem PDZ Protein Syntenin Interacts with the Aminoacyl tRNA Synthetase Complex in a Lysyl-tRNA Synthetase-Dependent Manner (2008)

Meerschaert, Kris, Remue, Eline, De Ganck, Ariane, Staes, An, Boucherie, Ciska, Gevaert, Kris, ...

Syntenin-1 is a tandem PDZ protein that binds a diverse array of signaling molecules that are often associated with cell adhesion and intracellular trafficking. With the use of a MS-based functional...

Stable isotopic labeling in proteomics (2008)

Gevaert, Kris, Impens, Francis, Ghesquière, Bart, Van Damme, Petra, Lambrechts, Anja, Vandekerckhove, Joël

Labeling of proteins and peptides with stable heavy isotopes (deuterium, carbon-13, nitrogen-15, and oxygen-18) is widely used in quantitative proteomics. These are either incorporated metabolically...

Atypical Mowat-Wilson patient confirms the importance of the novel association between ZFHX1B/SIP1 and NuRD corepressor complex (2008)

Verstappen, Griet, Van Grunsven, Leo A., Michiels, Christine, Van De Putte, Tom, Souopgui, Jacob, Van Damme, Jozef, ...

Mutations in ZFHX1B cause Mowat–Wilson syndrome (MWS) but the precise mechanisms underlying the aberrant functions of mutant ZFHX1B proteins (also named Smad-interacting protein-1, SIP1) in...

Atypical Mowat-Wilson patient confirms the importance of the novel association between ZFHX1B/SIP1 and NuRD corepressor complex (2008)

Verstappen, Griet, Van Grunsven, Leo A., Michiels, Christine, Van De Putte, Tom, Souopgui, Jacob, Van Damme, Jozef, ...

Mutations in ZFHX1B cause Mowat-Wilson syndrome (MWS) but the precise mechanisms underlying the aberrant functions of mutant ZFHX1B proteins (also named Smad-interacting protein-1, SIP1) in patients...

Cell_motility: a cross-platform, open source application for the study of cell motion paths (2006)

Martens, Lennart, Monsieur, Geert, Ampe, Christophe, Gevaert, Kris, Vandekerckhove, Joël

Abstract Background Migration is an important aspect of cellular behaviour and is therefore widely studied in cell biology. Numerous components are known to participate in this process in a highly...

Morphological and biochemical characterization of a human liver in a uPA-SCID mouse chimera (2005)

De Hemptinne, Bernard, Gevaert, Kris, Vandekerckhove, Joël, ...

A small animal model harboring a functional human liver cell xenograft would be a useful tool to study human liver cell biology, drug metabolism, and infections with hepatotropic viruses. Here we...

DBToolkit: processing protein databases for peptide-centric proteomics (2005)

Martens, Lennart, Vandekerckhove, Joël, Gevaert, Kris

Summary: DBToolkit is a user-friendly, easily extensible tool that allows the processing of protein sequence databases to peptide-centric sequence databases. This processing is primarily aimed at...

DBToolkit: processing protein databases for peptide-centric proteomics (2005)

Martens, Lennart, Vandekerckhove, Joël, Gevaert, Kris

Summary: DBToolkit is a user-friendly, easily extensible tool that allows the processing of protein sequence databases to peptide-centric sequence databases. This processing is primarily aimed at...

Syndecan 3 intramembrane proteolysis is presenilin/gamma-secretase-dependent and modulates cytosolic signaling (2003)

Vandekerckhove, Joël

The syndecans play critical roles in several signal transduction pathways. The core proteins of these heparan sulfate proteoglycans are characterized by highly conserved transmembrane and...

Heteromeric MAPPIT: a novel strategy to study modification-dependent protein-protein interactions in mammalian cells (2003)

Lemmens, Irma; U0034260, Eyckerman, Sven, Zabeau, Lennart, Catteeuw, Dominiek, Vertenten, Els, Verschueren, Kristin; U0019093, ...

We recently reported a two-hybrid trap for detecting protein-protein interactions in intact mammalian cells (MAPPIT). The bait protein was fused to a STAT recruitment-deficient, homodimeric cytokine...

Heteromeric MAPPIT: a novel strategy to study modification-dependent protein-protein interactions in mammalian cells (2003)

Lemmens, Irma, Eyckerman, Sven, Zabeau, Lennart, Catteeuw, Dominiek, Vertenten, Els, Verschueren, Kristin, ...

We recently reported a two‐hybrid trap for detecting protein–protein interactions in intact mammalian cells (MAPPIT). The bait protein was fused to a STAT recruitment‐deficient,...

The expression, processing and localization of polymorphic membrane proteins in Chlamydia pneumoniaestrain CWL029 (2002)

Vandahl, Brian, Pedersen, Anna, Gevaert, Kris, Holm, Arne, Vandekerckhove, Joël, Christiansen, Gunna, ...

Abstract Background Chlamydiae are obligate intracellular bacteria, which are important human pathogens. Genome sequences of C. trachomatis and C. pneumoniae have revealed the presence of a Chlamydia...

PIP(2)-PDZ domain binding controls the association of syntenin with the plasma membrane (2002)

Meerschaert, Kris, Leenaerts, Iris, Small, J Victor, Vandekerckhove, Joël, ...

PDZ proteins organize multiprotein signaling complexes. According to current views, PDZ domains engage in protein-protein interactions. Here we show that the PDZ domains of several proteins bind...

Characterization of functional residues in the interfacial recognition domain of lecithin cholesterol acyltransferase (LCAT) (1999)

Peelman, Frank, Vanloo, Berlinda, Perez-Mendez, Oscar, Decout, Anne, Verschelde, Jean-Luc, Labeur, Christine, ...

Lecithin cholesterol acyltransferase (LCAT) is an interfacial enzyme active on both high-density (HDL) and low-density lipoproteins (LDL). Threading alignments of LCAT with lipases suggest that...

A distal dimerization domain is essential for DNA-binding by the atypical HNF1 homeodomain (1990)

Chouard, Tanguy, Blumenfeld, Marta, Bach, Ingolf, Vandekerckhove, Joël, Cereghini, Silvia, Yaniv, Moshe

Hepatic Nuclear Factor 1 (HNF1, also referred to as LFB1, HP1 or APF) is a liver-specific transcnption factor required for the expression of many hepatocyte specific genes. We report here the...

Molecular characterization of the human peroxisomal branchedchain acyl-CoA oxidase: cDNA cloning, chromosomal assignment, tissue distribution, and evidence for the absence of the protein in Zellweger syndrome

Baumgart, Eveline, Vanhooren, Johannes C. T., Fransen, Mark, Marynen, Peter, Puype, Magda, Vandekerckhove, Joël, ...

Peroxisomes in human liver contain two distinct acyl-CoA oxidases with different substrate specificities: (i) palmitoyl-CoA oxidase, oxidizing very long straight-chain fatty acids and eicosanoids,...

Partial purification and identification of GDP-mannose 3",5"-epimerase of Arabidopsis thaliana, a key enzyme of the plant vitamin C pathway

Wolucka, Beata A., Persiau, Geert, Van Doorsselaere, Jan, Davey, Mark W., Demol, Hans, Vandekerckhove, Joël, ...

The first step in the biosynthetic pathway of vitamin C in plants is the formation, at the level of sugar nucleotide, of l-galactosyl residues, catalyzed by a largely unknown GDP-d-mannose...

Profilin II Is Alternatively Spliced, Resulting in Profilin Isoforms That Are Differentially Expressed and Have Distinct Biochemical Properties

Lambrechts, Anja, Braun, Attila, Jonckheere, Veronique, Aszodi, Attila, Lanier, Lorene M., Robbens, Johan, ...

We deduced the structure of the mouse profilin II gene. It contains five exons that can generate four different transcripts by alternative splicing. Two transcripts encode different profilin II...

Proteomic Analysis of Arabidopsis Seed Germination and Priming1

Gallardo, Karine, Job, Claudette, Groot, Steven P.C., Puype, Magda, Demol, Hans, Vandekerckhove, Joël, ...

To better understand seed germination, a complex developmental process, we developed a proteome analysis of the model plant Arabidopsis for which complete genome sequence is now available. Among...

Tumor necrosis factor-induced modulation of glyoxalase I activities through phosphorylation by PKA results in cell death and is accompanied by the formation of a specific methylglyoxal-derived AGE

Van Herreweghe, Franky, Mao, Jianqiang, Chaplen, Frank W. R., Grooten, Johan, Gevaert, Kris, Vandekerckhove, Joël, ...

Tumor necrosis factor (TNF)-induced cell death in the fibrosarcoma cell line L929 is a caspase-independent process that is characterized by increased production of reactive oxygen species (ROS) in...

Gelsolin-induced epithelial cell invasion is dependent on Ras–Rac signaling

De Corte, Veerle, Bruyneel, Erik, Boucherie, Ciska, Mareel, Marc, Vandekerckhove, Joël, Gettemans, Jan

Gelsolin is a widely distributed actin binding protein involved in controlling cell morphology, motility, signaling and apoptosis. The role of gelsolin in tumor progression, however, remains poorly...

Proteomics of Arabidopsis Seed Germination. A Comparative Study of Wild-Type and Gibberellin-Deficient Seeds1

Gallardo, Karine, Job, Claudette, Groot, Steven P.C., Puype, Magda, Demol, Hans, Vandekerckhove, Joël, ...

We examined the role of gibberellins (GAs) in germination of Arabidopsis seeds by a proteomic approach. For that purpose, we used two systems. The first system consisted of seeds of the GA-deficient...

Involvement of Sialoadhesin in Entry of Porcine Reproductive and Respiratory Syndrome Virus into Porcine Alveolar Macrophages

Vanderheijden, Nathalie, Delputte, Peter L., Favoreel, Herman W., Vandekerckhove, Joël, Van Damme, Jozef, Van Woensel, Peter A., ...

Porcine reproductive and respiratory syndrome virus (PRRSV) shows a very restricted tropism for cells of the monocyte/macrophage lineage. It enters cells via receptor-mediated endocytosis. A...

Heteromeric MAPPIT: a novel strategy to study modification-dependent protein–protein interactions in mammalian cells

Lemmens, Irma, Eyckerman, Sven, Zabeau, Lennart, Catteeuw, Dominiek, Vertenten, Els, Verschueren, Kristin, ...

We recently reported a two-hybrid trap for detecting protein–protein interactions in intact mammalian cells (MAPPIT). The bait protein was fused to a STAT recruitment-deficient, homodimeric...

Proteomics of Medicago truncatula Seed Development Establishes the Time Frame of Diverse Metabolic Processes Related to Reserve Accumulation1

Gallardo, Karine, Le Signor, Christine, Vandekerckhove, Joël, Thompson, Richard D., Burstin, Judith

We utilized a proteomic approach to investigate seed development in Medicago truncatula, cv Jemalong, line J5 at specific stages of seed filling corresponding to the acquisition of germination...

β-casein-derived peptides, produced by bacteria, stimulate cancer cell invasion and motility

Oliveira, Maria José, Van Damme, Jozef, Lauwaet, Tineke, De Corte, Veerle, De Bruyne, Georges, Verschraegen, Gerda, ...

In colon cancer, enteric bacteria and dietary factors are major determinants of the microenvironment but their effect on cellular invasion is not known. We therefore incubated human HCT-8/E11 colon...

The Effect of α-Amanitin on the Arabidopsis Seed Proteome Highlights the Distinct Roles of Stored and Neosynthesized mRNAs during Germination1

Rajjou, Loïc, Gallardo, Karine, Debeaujon, Isabelle, Vandekerckhove, Joël, Job, Claudette, Job, Dominique

To investigate the role of stored and neosynthesized mRNAs in seed germination, we examined the effect of α-amanitin, a transcriptional inhibitor targeting RNA polymerase II, on the germination of...

TetraThymosinβ Is Required for Actin Dynamics in Caenorhabditis elegans and Acts via Functionally Different Actin-binding Repeats

Van Troys, Marleen, Ono, Kanako, Dewitte, Daisy, Jonckheere, Veronique, De Ruyck, Natalie, Vandekerckhove, Joël, ...

Generating specific actin structures via controlled actin polymerization is a prerequisite for eukaryote development and reproduction. We here report on an essential Caenorhabditis elegans protein...

A method for rapidly screening functionality of actin mutants and tagged actins

Rommelaere, Heidi, Waterschoot, Davy, Neirynck, Katrien, Vandekerckhove, Joël, Ampe, Christophe

Recombinant production and biochemical analysis of actin mutants has been hampered by the fact that actin has an absolute requirement for the eukaryotic chaperone CCT to reach its native state. We...

Expression and Processing of an Arabidopsis 2S Albumin in Transgenic Tobacco 1

De Clercq, Ann, Vandewiele, Martine, De Rycke, Riet, Van Damme, Jozef, Van Montagu, Marc, Krebbers, Enno, ...

2S albumin seed storage proteins undergo a complex series of posttranslational proteolytic cleavages. In order to determine if this process is correctly carried out in transgenic plants, the gene...

Stable Accumulation of Modified 2S Albumin Seed Storage Proteins with Higher Methionine Contents in Transgenic Plants 1

De Clercq, Ann, Vandewiele, Martine, Van Damme, Jozef, Guerche, Philippe, Van Montagu, Marc, Vandekerckhove, Joël, ...

We present the results of two sets of experiments designed to express high methionine proteins in transgenic seeds in three different plant species. In the first approach, two chimeric genes were...

Molecular characterization of the human peroxisomal branchedchain acyl-CoA oxidase: cDNA cloning, chromosomal assignment, tissue distribution, and evidence for the absence of the protein in Zellweger syndrome

Baumgart, Eveline, Vanhooren, Johannes C. T., Fransen, Mark, Marynen, Peter, Puype, Magda, Vandekerckhove, Joël, ...

Peroxisomes in human liver contain two distinct acyl-CoA oxidases with different substrate specificities: (i) palmitoyl-CoA oxidase, oxidizing very long straight-chain fatty acids and eicosanoids,...

Partial purification and identification of GDP-mannose 3",5"-epimerase of Arabidopsis thaliana, a key enzyme of the plant vitamin C pathway

Wolucka, Beata A., Persiau, Geert, Van Doorsselaere, Jan, Davey, Mark W., Demol, Hans, Vandekerckhove, Joël, ...

The first step in the biosynthetic pathway of vitamin C in plants is the formation, at the level of sugar nucleotide, of l-galactosyl residues, catalyzed by a largely unknown GDP-d-mannose...

Profilin II Is Alternatively Spliced, Resulting in Profilin Isoforms That Are Differentially Expressed and Have Distinct Biochemical Properties

Lambrechts, Anja, Braun, Attila, Jonckheere, Veronique, Aszodi, Attila, Lanier, Lorene M., Robbens, Johan, ...

We deduced the structure of the mouse profilin II gene. It contains five exons that can generate four different transcripts by alternative splicing. Two transcripts encode different profilin II...

Proteomic Analysis of Arabidopsis Seed Germination and Priming1

Gallardo, Karine, Job, Claudette, Groot, Steven P.C., Puype, Magda, Demol, Hans, Vandekerckhove, Joël, ...

To better understand seed germination, a complex developmental process, we developed a proteome analysis of the model plant Arabidopsis for which complete genome sequence is now available. Among...

Tumor necrosis factor-induced modulation of glyoxalase I activities through phosphorylation by PKA results in cell death and is accompanied by the formation of a specific methylglyoxal-derived AGE

Van Herreweghe, Franky, Mao, Jianqiang, Chaplen, Frank W. R., Grooten, Johan, Gevaert, Kris, Vandekerckhove, Joël, ...

Tumor necrosis factor (TNF)-induced cell death in the fibrosarcoma cell line L929 is a caspase-independent process that is characterized by increased production of reactive oxygen species (ROS) in...

Gelsolin-induced epithelial cell invasion is dependent on Ras–Rac signaling

De Corte, Veerle, Bruyneel, Erik, Boucherie, Ciska, Mareel, Marc, Vandekerckhove, Joël, Gettemans, Jan

Gelsolin is a widely distributed actin binding protein involved in controlling cell morphology, motility, signaling and apoptosis. The role of gelsolin in tumor progression, however, remains poorly...

Proteomics of Arabidopsis Seed Germination. A Comparative Study of Wild-Type and Gibberellin-Deficient Seeds1

Gallardo, Karine, Job, Claudette, Groot, Steven P.C., Puype, Magda, Demol, Hans, Vandekerckhove, Joël, ...

We examined the role of gibberellins (GAs) in germination of Arabidopsis seeds by a proteomic approach. For that purpose, we used two systems. The first system consisted of seeds of the GA-deficient...

Involvement of Sialoadhesin in Entry of Porcine Reproductive and Respiratory Syndrome Virus into Porcine Alveolar Macrophages

Vanderheijden, Nathalie, Delputte, Peter L., Favoreel, Herman W., Vandekerckhove, Joël, Van Damme, Jozef, Van Woensel, Peter A., ...

Porcine reproductive and respiratory syndrome virus (PRRSV) shows a very restricted tropism for cells of the monocyte/macrophage lineage. It enters cells via receptor-mediated endocytosis. A...

Heteromeric MAPPIT: a novel strategy to study modification-dependent protein–protein interactions in mammalian cells

Lemmens, Irma, Eyckerman, Sven, Zabeau, Lennart, Catteeuw, Dominiek, Vertenten, Els, Verschueren, Kristin, ...

We recently reported a two-hybrid trap for detecting protein–protein interactions in intact mammalian cells (MAPPIT). The bait protein was fused to a STAT recruitment-deficient, homodimeric...

Proteomics of Medicago truncatula Seed Development Establishes the Time Frame of Diverse Metabolic Processes Related to Reserve Accumulation1

Gallardo, Karine, Le Signor, Christine, Vandekerckhove, Joël, Thompson, Richard D., Burstin, Judith

We utilized a proteomic approach to investigate seed development in Medicago truncatula, cv Jemalong, line J5 at specific stages of seed filling corresponding to the acquisition of germination...

β-casein-derived peptides, produced by bacteria, stimulate cancer cell invasion and motility

Oliveira, Maria José, Van Damme, Jozef, Lauwaet, Tineke, De Corte, Veerle, De Bruyne, Georges, Verschraegen, Gerda, ...

In colon cancer, enteric bacteria and dietary factors are major determinants of the microenvironment but their effect on cellular invasion is not known. We therefore incubated human HCT-8/E11 colon...

The Effect of α-Amanitin on the Arabidopsis Seed Proteome Highlights the Distinct Roles of Stored and Neosynthesized mRNAs during Germination1

Rajjou, Loïc, Gallardo, Karine, Debeaujon, Isabelle, Vandekerckhove, Joël, Job, Claudette, Job, Dominique

To investigate the role of stored and neosynthesized mRNAs in seed germination, we examined the effect of α-amanitin, a transcriptional inhibitor targeting RNA polymerase II, on the germination of...

TetraThymosinβ Is Required for Actin Dynamics in Caenorhabditis elegans and Acts via Functionally Different Actin-binding Repeats

Van Troys, Marleen, Ono, Kanako, Dewitte, Daisy, Jonckheere, Veronique, De Ruyck, Natalie, Vandekerckhove, Joël, ...

Generating specific actin structures via controlled actin polymerization is a prerequisite for eukaryote development and reproduction. We here report on an essential Caenorhabditis elegans protein...

A method for rapidly screening functionality of actin mutants and tagged actins

Rommelaere, Heidi, Waterschoot, Davy, Neirynck, Katrien, Vandekerckhove, Joël, Ampe, Christophe

Recombinant production and biochemical analysis of actin mutants has been hampered by the fact that actin has an absolute requirement for the eukaryotic chaperone CCT to reach its native state. We...

Expression and Processing of an Arabidopsis 2S Albumin in Transgenic Tobacco 1

De Clercq, Ann, Vandewiele, Martine, De Rycke, Riet, Van Damme, Jozef, Van Montagu, Marc, Krebbers, Enno, ...

2S albumin seed storage proteins undergo a complex series of posttranslational proteolytic cleavages. In order to determine if this process is correctly carried out in transgenic plants, the gene...

Stable Accumulation of Modified 2S Albumin Seed Storage Proteins with Higher Methionine Contents in Transgenic Plants 1

De Clercq, Ann, Vandewiele, Martine, Van Damme, Jozef, Guerche, Philippe, Van Montagu, Marc, Vandekerckhove, Joël, ...

We present the results of two sets of experiments designed to express high methionine proteins in transgenic seeds in three different plant species. In the first approach, two chimeric genes were...

The C-terminus of CIS defines its interaction pattern

Lavens, Delphine, Ulrichts, Peter, Catteeuw, Dominiek, Gevaert, Kris, Vandekerckhove, Joël, Peelman, Frank, ...

Proteins of the SOCS (suppressors of cytokine signalling) family are characterized by a conserved modular structure with pre-SH2 (Src homology 2), SH2 and SOCS-box domains. Several members, including...

Tumour necrosis factor induces phosphorylation primarily of the nitric-oxide-responsive form of glyoxalase I

DeHemptinne, Virginie, Rondas, Dieter, Vandekerckhove, Joël, Vancompernolle, Katia

We have previously shown that TNF (tumour necrosis factor) induces phosphorylation of GLO1 (glyoxalase I), which is required for cell death in L929 cells. In the present paper, we show that the...

A Mediator Role For Metallothionein in Tumor Necrosis Factor–induced Lethal Shock

Waelput, Wim, Broekaert, Daniël, Vandekerckhove, Joël, Brouckaert, Peter, Tavernier, Jan, Libert, Claude

Tumor necrosis factor (TNF) is a proinflammatory cytokine, which is centrally involved in several inflammatory disorders. Administration of TNF leads to a potentially lethal systemic inflammatory...

A review of COFRADIC techniques targeting protein N-terminal acetylation

Van Damme, Petra, Van Damme, Jozef, Demol, Hans, Staes, An, Vandekerckhove, Joël, Gevaert, Kris

Acetylation of nascent protein Nα-termini is a common modification among archae and eukaryotes and can influence the structure and function of target proteins. This modification has been studied on...

Structure of granzyme C reveals an unusual mechanism of protease autoinhibition

Kaiserman, Dion, Buckle, Ashley M., Van Damme, Petra, Irving, James A., Law, Ruby H. P., Matthews, Antony Y., ...

Proteases act in important homeostatic pathways and are tightly regulated. Here, we report an unusual structural mechanism of regulation observed by the 2.5-Å X-ray crystal structure of the serine...

Identification and Functional Characterization of N-Terminally Acetylated Proteins in Drosophila melanogaster

Goetze, Sandra, Qeli, Ermir, Mosimann, Christian, Staes, An, Gerrits, Bertran, Roschitzki, Bernd, ...

A new study reveals a functional rule for N-terminal acetylation in higher eukaryotes called the (X)PX rule and describes a generic method that prevents this modification to allow the study of...

Proteomics analyses reveal the evolutionary conservation and divergence of N-terminal acetyltransferases from yeast and humans

Arnesen, Thomas, Van Damme, Petra, Polevoda, Bogdan, Helsens, Kenny, Evjenth, Rune, Colaert, Niklaas, ...

Nα-terminal acetylation is one of the most common protein modifications in eukaryotes. The COmbined FRActional DIagonal Chromatography (COFRADIC) proteomics technology that can be specifically used...