Thursday, 15 April 2004
Organisers P.J. Coffer (Utrecht, The Netherlands)
D. Roos (Amsterdam, The Netherlands)
Sponsors GlaxoSmithKline (The Netherlands)
ZonMw (The Netherlands)
KNAW (The Netherlands)

Phagocyte biology: from gene to function

Session I Migration, adhesion and integrin function Thursday Morning
Chairs M. Ginsburg (La Jolla, USA)
I. Maridonneau-Parini (Toulouse, France)
abstract number
08.30 – 08.45 The phagocyte-specific Src tyrosine kinase, Hck, requires the synergic action of its lysosome- and plasma membrane-associated isoforms to induce migratory and tumorigenic abilities of NIH3T3 cells
V. Le Cabec, R. Poincloux, C. Cougoule, and I. Maridonneau-Parini (Toulouse, France)
162
08.45 – 09.00 C-termini of Rho-like GTPases control differential signaling toward migration
J.P. ten Klooster, P.B. van Hennik, C. Voermans, E.C. Anthony, J.R. Halstead, N. Divecha, and P.L. Hordijk (Amsterdam, The Netherlands)
163
09.00 – 09.15 Crohn’s disease results from a failure to recruit phagocytes
D.J.B. Marks, B. Al-Lazikani, M. Harbord, S. Bloom, and A.W. Segal (London, UK)
164
09.15 – 09.30 Characterisation of focal sites in adherent eosinophils
L. Ulfman, M. Lokuta, C. van Aalst, L. Koenderman, and A. Huttenlocher (Utrecht, The Netherlands; Wisconsin, MA, USA)
165
09.30 – 10.00 Proteomics: an emerging tool in phagocyte research
J.M.F.G. Aerts (Amsterdam, Netherlands)
10.00 end of session
10.00 – 11.15 coffee break + plenary lecture
Session II Oxidative killing mechanisms
Chairs A.W. Segal (London, UK)
D. Roos (Amsterdam, Netherlands)
11.30 – 11.45 How neutrophils kill microbes – an essential role for large-conductance calcium activated channels
J. Ahluwalia, A. Tinker, L.H. Clapp, and A.W. Segal (London, UK)
166
11.45 – 12.00 NADPH oxidase-associated diaphorase activity supported by the C’-terminal of gp91phox is independent of cPLA2
I. Pessach, T.L. Leto, Z. Shmelzer, M.C. Dinauer, and R. Levy (Beer Sheva, Israel; Indianapolis, USA)
167
12.00 – 12.15 Mannan-Binding Lectin (MBL)-mediated opsonization and phagocytosis of zymosan
N. Brouwer, R. van Zwieten, M. Hart, L.A. Aarden, D. Roos, T.W. Kuijpers, and K.M. Dolman (Amsterdam, The Netherlands)
168
12.15 – 12.30 Constitutive phosphorylation of p67PHOX in human neutrophils: regulation by a tyrosine kinase-dependent pathway and extracellular signal-regulated kinase 1/2
P.M. Dang, M.A. Gougerot-Pocidalo, and J. El-Benna (Paris, France)
169
12.30 – 12.45 Identification of 5 new mutations in the CYBB gene leading to different sub-types of X-linked chronic granulomatous disease
M.J. Stasia, E. Maquet, M. Guillot, D. Tissot Dupont, and F. Morel
(Grenoble, France)
170
12.45 – 13.00 Unusual late presentation of X-linked Chronic Granulomatous Disease in an 80-year-old female with a novel mutation in CYBB
B. Wolach, R. Gavrieli, Y. Scharf, M. de Boer, and D. Roos (Kfar Saba, Israel; Amsterdam, The Netherlands)
171
13.00 end of session
13.00 – 15.00 lunch / poster viewing / exhibition + plenary lecture
Session III Innate immune receptors Thursday afternoon
Chairs S. Gordon (Oxford, UK)
T. van den Berg (Amsterdam, The Netherlands)
abstract number
15.00 – 15.45 Macrophage receptors and innate immunity
S. Gordon (Oxford, UK)
15.45 – 16.00 Direct interaction between periplakin and Fc?RI (CD64) controls receptor endocytosis and ligand binding
J.M. Beekman, J. Bakema, J.G.J. van de Winkel, and J.H.W. Leusen (Utrecht, The Netherlands)
172
16.00 – 16.30 coffee break
16.30 – 16.45 Activation of the NADPH oxidase by intracellular Toll-like receptor-4 signalling in response to S. typhimurium infection
R. van Bruggen, D. Zweers, J. Calafat, N. Borregaard, J.T. van Dissel, D. Roos, and T.W. Kuijpers (Amsterdam, The Netherlands; Copenhagen, Denmark; Leiden, The Netherlands)
173
16.45 – 17.00 Cytosolic phospholipase A2 is required for Fc?RII induction during differentiation of PLB cells with 1,25(OH)2D3
Z. Hazan-Eithan, Y. Weinstein, and R. Levy (Beer Sheva, Israel)
174
17.00 – 17.15 Regulation of the Fca-receptor by cytokine-mediated inside-out signalling
H. Honing, M. Bracke, P.J. Coffer, and L. Koenderman (Utrecht, The Netherlands)
175
17.15 – 17.30 Filamin A stabilizes cell surface expression of Fc?RI
J.M. Beekman, P.V.E. van den Berghe, D.L.C. van den Berg, J.M. Griffith, M.J. Kleijmeer, J.G.J. van de Winkel, and J.H.W. Leusen (Utrecht, The Netherlands)
176
17.30 – 17.45 Cross-linking of integrins is not sufficient for full activation of neutrophils: anti-integrin antibodies initiate an Fc -receptor III mediated second signal
Z. Jakus, E. Ligeti, C. A. Lowell, and A. Mócsai (Budapest, Hungary; San Francisco, CA, USA)
177
17.45 – 18.00 In vitro regulation of human granulocyte Fc? receptors expression by peptide hormones
S. Romero, J.A. Bernal, M. Rosety, F. Briceño, P. Ruiz, D. Garcia-Gil, C. Rivera, and F. Gomez (Cadiz, Spain)
178
18.00 end of session
Session IV Receptor signaling and recycling Friday morning
Chairs I. Touw (Rotterdam, The Netherlands)
P.J. Coffer (Utrecht, The Netherlands)
abstract number
08.30 – 09.15 G-CSF receptor signaling in normal granulopoiesis, neutropenia and acute myeloid leukemia
I. Touw (Rotterdam, The Netherlands)
09.15 – 09.30 The JAK-STAT pathway is involved in SIRP -induced NO production and transendothelial migration
J. Alblas, H. Honing, C. Renardel de Lavalette, S.M.A. van der Pol, H.E. de Vries, M. Brown, C.D. Dijkstra, and T.K. van den Berg (Amsterdam, The Netherlands; Oxford, United Kingdom)
179
09.30 – 09.45 Expression and modulation of suppressors of cytokine signalling (SOCS) in human neutrophils
C. Ratthé, and D. Girard (Québec, Canada)
180
09.45 – 10.00 discussion
10.00 – 11.15 coffee break + plenary lecture
11.30 – 11.45 The immunostimulatory peptide WKYMVm-NH2 activates primary and secondary granule secretion as well as superoxide production of mouse neutrophils via multiple signal transduction pathways
R. Boxio, C. Bossenmeyer-Pourié, R. Vanderesse, C. Dournon, and O. Nüsse (Nancy, France; Orsay, France)
181
11.45 – 12.00 Impaired priming of phosphatidylinositol 3,4,5-trisphosphate accumulation and Rac activation in neutrophils from patients with Myelodysplasia
G.M. Fuhler, K.A. Cadwallader, G.J. Knol, E.R. Chilvers, A.L. Drayer, and E. Vellenga (Groningen, The Netherlands; Cambridge, UK)
182
12.00 – 12.15 Calpain activity during beta-2 integrin-mediated phagocytosis
S. Dewitt, and M.B.Hallett (Cardiff, UK)
183
12.15 – 12.30 The same I?Ba mutation in two related individuals leads to completely different clinical syndromes
R. Janssen, A. van Wengen, M. Hoeve, M. van Tol, R. Bredius, T.H. Ottenhoff, C. Weemaes, J.T. van Dissel, and A. Lankester (Leiden, The Netherlands)
184
12.30 – 12.45 Prolactin trigger VEGF synthesis and heme oxygenase-1 overexpression in human macrophages
L. Malaguarnera, R.M. Imbesi, M.R. Pilastro, A. Scuto, F. Licata, S. Sanfilippo, and A. Messina (Catania, Italy)
185
12.45 – 13.00 discussion
13.00 end of session
Session V Regulation of differentiation and apoptosis Saturday morning
Chairs M. Horwitz (Seattle, USA)
C. Haslett (Edinburgh, UK)
abstract number
08.30 – 09.15 Mistrafficking of neutrophil elastase in neutropenia
M. Horwitz (Seattle, USA)
09.15 – 10.00 Granulocyte apoptosis and clearance by macrophages
C. Haslett (Edinburgh, UK)
10.00 – 11.15 coffee break + plenary lecture
11.30 – 11.45 Protein kinase B activity regulates lineage choice decisions during granulopoiesis
M. Buitenhuis, K. Birkenkamp, H. van Deutekom, L. Koenderman, and P. Coffer (Utrecht, The Netherlands)
186
11.45 – 12.00 Proteinase 3 is involved in caspase 3 activation associated with monocyte differentiation in the absence of apoptosis
M. Pederzoli, and V. Witko-Sarsat (Paris, France)
187
12.00 – 12.15 p38-Mitogen activated protein kinase and protein phosphatase type 2A regulates caspase-3 activity in human neutrophils
M. Alvarado-Kristensson, F. Melander, L. Rönnstrand, C. Wernstedt, and T. Andersson (Lund, Sweden; Malmö, Sweden; Uppsala, Sweden)
188
12.15 – 12.30 G-CSF delays neutrophil apoptosis through inhibition of Bid truncation and Bid/Bax targeting to the mitochondria and caspase activation
N.A. Maianski, D. Roos, and T.W. Kuijpers (Amsterdam, The Netherlands)
189
12.30 – 12.45 Interleukin-15, but not interleukin-21, delays neutrophil apoptosis and up-regulates CD11b/CD18 expression
M. Pelletier, A. Bouchard, and D. Girard (Pointe-Claire, Canada)
190
12.45 – 13.00 Caspase-1, a link between mevalonate kinase deficiency and inflammation
L. Kuijk, J. Frenkel, I. Schellens, S.M. Mandey, G.T. Rijkers, H.R. Waterham, and W. Kuis (Utrecht, The Netherlands; Amsterdam, The Netherlands)
191
13.00 end of session
13.00 – 14.00 lunch / poster viewing / exhibition
Session VI Microbial escape mechanisms Saturday afternoon
Chairs A. Zychlinsky (Berlin, Germany)
J. Swanson (Ann Arbor, USA)
abstract number
14.00 – 14.45 Phagocytes in enteric infections
A. Zychlinsky (Berlin, Germany)
14.45 – 15.00 Novel anti-phagocytic molecules of Staphylococcus aureus
S.H.M. Rooijakkers, W.J.B. van Wamel, T. van Steeg, M. Ruyken, J.S. Presanis, H.C.J.M. Heezius, R.B. Sim, K.P.M. van Kessel, and J.A.G. van Strijp (Utrecht, The Netherlands)
192
15.00 – 15.30 coffee break
15.30 – 16.15 Activated macrophages alter phagosomes to prevent Listeria monocytogenes from escaping into cytoplasm
J. T. Myers, R. M. Henry, L. Shaughnessy, and J. A. Swanson (Ann Arbor, USA)
193
16.15 – 16.30 Identifying the active sites within the Chemotaxis Inhibitory Protein of Staphylococcus aureus
P.J. Haas, C.J.C. de Haas, K.P.M van Kessel, and J.A.G van Strijp (Utrecht, The Netherlands)
194
16.30 – 16.45 The Salmonella typhimurium protein SspJ is indispensable for virulence in mice
T. van der Straaten, A. van Diepen, R. Janssen, and J.T. van Dissel (Leiden, The Netherlands)
195
16.45 – 17.00 final remarks
17.00 end of workshop
Posters
ß2-agonists and glucocorticosteroids inhibit neutrophil migration through a bilayer of endothelial and epithelial cells
A.M.Sadowska, F.J. van Overveld, and W.A. De Backer (Antwerp, Belgium)
196
Binding of exogenous proteinase 3 to plasma membranes of HEK- 293 and promyelocytic leukemia PLB-985 and NB4 cell lines
A. David, U. Specks, and I. Aviram (Tel Aviv, Israel; Rochester, MN, USA)
197
First report on a child with a novel mutation leading to chronic granulomatous disease and with T-cell acute lymphoblastic leukemia
B. Wolach, S. Ash, R. Gavrieli, B. Stark, I. Yaniv, and D. Roos (Tel Aviv, Israel; Amsterdam, The Netherlands)
198
Severe clinical forms of cytochrome b-negative chronic granulomatous disease (X91-) in three brothers with a point mutation in the promoter region of CYBB
M.J. Stasia, X.J. Li, J.P. Brion, J. Boutonnat, and F. Morel (Grenoble, France)
199
Chemotaxis inhibiting protein of Staphylococcus aureus binds to the N-terminus of the C5a receptor
B. Postma, W. Kleibeuker, M. Boonstra, M.J.J.G. Poppelier, K.P.M. van Kessel, J.A.G. van Strijp, and C.J.C. de Haas (Utrecht, The Netherlands)
200
A superoxide-hypersusceptible Salmonella typhimurium mutant is attenuated but regains virulence in p47phox-/- mice
A. van Diepen, T. van der Straaten, R. Janssen, and J.T. van Dissel (Leiden, The Netherlands)
201
Identification and characterization of IgA receptor interacting proteins
J.E. Bakema, A. Bakker, S. den Hartog-Jager, S. de Haij, J.G.J van de Winkel, and J.H.W. Leusen (Utrecht, The Netherlands)
202
Methodological pitfall undermines reliability of studies on neutrophil microbicidal activity
P. Dri, and E. Decleva (Trieste , Italy)
203
Changes in calcium and pH inside Listeria-containing phagosomes
L. Shaughnessy, A. Hoppe, K. Christensen, and J. Swanson (Ann Arbor, MI, USA)
204
Phosphorylation of the NADPH oxidase component p67PHOX by ERK2 and p38MAPK
P.M. Dang, F. Morel, M.A. Gougerot-Pocidalo, and J. El Benna (Grenoble, France)
205
Regulation of macrophage Fc? receptors expression by angiotensin receptor antagonists
S. Romero, J.A. Bernal, P. Ruiz, M. Rosety, F. Briceño, D. Garcia-Gil, C. Rivera, and F. Gomez (Cadiz, Spain)
206
Macropahge Fc? receptors expression: synergy of statins and angiotensin receptor type II antagonists
S. Romero, J.A. Bernal, P. Ruiz, M. Rosety, D. Garcia-Gil, F. Briceño, C. Rivera, and F. Gomez (Cadiz, Spain)
207
The structure of CARD15, and molecular mechanisms of mutations associated with granulomatous diseases
D.J.B. Marks, A.W. Segal, and B. Al-Lazikani (London, UK)
208
Proteomic analysis of neutrophil cytoskeleton
P. Xu, M. Crawford, J. Godovac-Zimmermann, M. Radulovic, and A.W. Segal (London, UK)
209
Differential impairment of neutrophil function and apoptosis by HIV protease inhibitors
N. Hadad, R. Levy, F. Schlaeffer, and K. Riesenberg (Beer Sheva, Israel)
210
Gene expression profiles to identify asthma phenotypes for optimising individualised pharmacotherapy
W. ten Hove, H.D. Luijk, L. Koenderman, H.G.M. Leufkens, and M. Bracke (Utrecht, The Netherlands)
211
Effect of PR-39 on platelet ROS production and platelet-neutrophil aggregation
D. Gritti, R. Malinverni, A. Malinverno, D. Culacciati, C. Ross and G. Ricevuti (Pavia, Italy; Kansas, USA)
212