Talks

Lectures and talks of the 16^th meeting
19-22 Sept. 1999, Bad Herrenalb, Germany
Organizer: Prof. Gerhard Rechkemmer

Monday, September 20, 1999
8:20 – 8:30	Welcome, Gerhard Rechkemmer
Invited lecture	Chairman: Gerhard Rechkemmer; Karlsruhe, Germany
8:30 – 9:30	Raymond A. Frizzell; University of Pittsburgh, USA Role of SNARE proteins in regulated ion channel trafficking.
Session 1	Chairman: Michael Fromm; Berlin, Germany
9:30 – 9:45	L1 Amasheh, S., Epple, H.J., Mankertz, J., Schulzke, J.D., Fromm, M.; Berlin, Germany Differential regulation of the epithelial sodium channel (ENaC) in distal colon of the rat.
9:45 – 10:00	L2 Diener, M., Frings, M., Schultheiß, G.; Gießen, Germany Calcium entry via a non-selective cation conductance in the rat colonic epithelium.
10:00 – 10:15	L3 Vaandrager, A.B., Bot, A.G.M., Ruth, P., Pfeifer, A., Hofmann, F., de Jonge, H.R.; Rotterdam, The Netherlands Abnormalities in intestinal ion transport in mice lacking guanosine 3^',5^'-cyclic monophosphate-dependent protein kinase II.
10:15 – 10:30	L4 Wehner, F., Tinel, H.; Dortmund, Germany Bromosulfophthalein (BSP) uptake via SO₄^--/OH^-exchange leads to an increase of rat hepatocyte K⁺ conductance.
Session 2	Chairman: Mats Jodal; Göteborg, Sweden
11:00 – 11:15	L5 Bendfeldt, K., Gitter, A.H., Schulzke, J.D., Fromm, M.; Berlin, Germany Leaks in the epithelial barrier caused by apoptosis.
11:15 – 11:30	L6 Oprins, J., Meijer, H., van der Burg, C., Munnik, T., Groot, J.; Amsterdam, The Netherlands Tumor Necrosis Factor a (TNFa) potentiates ion secretion induced by carbachol.
11:30 – 11:45	L7 Fihn, B.-M., Sun, Y., Jodal, M.; Göteborg, Sweden Permeability of proximal and distal colon crypt and surface epithelium to hydrophilic molecules.
11:45 – 12:00	L8 Schulzke, J.D., Barmeyer, C., Schmitz, H., Fromm, M., Horak, I., Riecken, E.O.; Berlin, Germany Experimental colitis in IL-2 deficient mice: impaired intestinal transport function without a barrier defect.
13:30 – 15:00	Poster Session 1 (Posters 1 – 15)

Tuesday, September 21

Invited lecture	Chairman: George Kellett; York, UK
8:30 – 9:30	Dietrich Keppler; Deutsches Krebsforschungszentrum, Heidelberg, Germany Conjugate export pumps of the multidrug resistance protein (MRP) family.
Session 3	Chairman: Jack Groot; Amsterdam, The Netherlands
9:30 – 9:45	L9 Thiagarajah, J.R., Pedley, K.C., Naftalin, R.J.; London, United Kingdom Activation of the myofibroblasts in rat descending colon pericryptal sheath during low Na⁺ diet.
9:45 – 10:00	L10 Weber, E., Becker, K., Janssen, N., Häussinger, D., Frieling, T.; Düsseldorf, Germany Submucosal neurones modulate paracellular permeability in the guinea pig proximal colon.
10:00 – 10:15	L11 Pfannkuche, H., Reiche, D., Schemann, M.; Hannover, Germany Innervation of mucosa and circular muscle in the gastric fundus: Neurochemical coding and projections of enteric neurons.
10:15 – 10:30	L12 Beubler, E., Schuligoi, R., Peskar, B.A.; Graz, Austria COX-2 but not COX-1 participates in cholera toxin-induced fluid secretion in the rat jejunum.
>Session 4	Chairman: Miquel Moretó; Barcelona, Spain
11:00 – 11:15	L13 Alvarado, F., Halaihel, N., Lievin, V., Vasseur, M.; Paris, France Rotavirus infection impairs intestinal brush border membrane sodium-D-glucose and sodium-L-leucine cotransport activities in young rabbits.
11:15 – 11:30	L14 Aschenbach, J.R., Schaberg, E., Wehning, H., Oswald, R., Burckhardt, G., Gäbel, G.; Leipzig, Germany Glucose transport in the ruminal epithelium of sheep.
11:30 – 11:45	L15 Helliwell, P.A., Richardson, M., Affleck, J. Kellett, G.L.; York, United Kingdom Cross-talk between the ERK and p38 MAP kinase pathways in the regulation of jejunal fructose transport to diabetes.
11:45 – 12:00	L16 Klein, C., Harmeyer, J.; Hannover, Germany Milk-uptake spontaneously stimulates active, vitamin D-independent calcium transport in piglets.
Session 5	Chairman: Carlo Storelli; Lecce, Italy
13:30 – 13:45	L17 Wenzel, U., Meissner, B., Döring, F., Daniel, H.; Munich, Germany PEPT1-mediated uptake of dipeptides into intestinal epithelial cells enforces the absorption of amino acids via system b^0,+.
13:45 – 14:00	L18 Verri, T., Boll, M. , Rubio-Aliaga, I., Maffia, M., Herget, M., Daniel, H., Storelli, C.; Lecce, Italy Cloning if a cDNA fragment encoding for a putative eel (Anguilla anguilla) intestinal H⁺/peptide transporter.
14:00 – 14:15	L19 Jacob, P., Rossmann, H., Christiani, S., Seidler, U.; Tübingen, Germany Molecular characterization and physiological significance of rabbit duodenal HCO₃ transporters.
14:15 – 14:30	L20 Müller, F., Huber, K., Aschenbach, J.R., Breves, G., Gäbel, G.; Leipzig, Germany Lactate/H⁺ cotransport in ovine ruminal epithelial cells and Xenopus laevis oocytes injected with mRNA from ruminal epithelium.
Session 6	Chairman: Gunnar Flemström; Uppsala, Sweden
15:00 – 15:15	L21 Flemström, G., Shariatmadari, R., Hellgren, S., Atuma, C., Akerman, K.E.; Uppsala, Sweden Calcium signaling in aggregates of duodenal enterocytes.
15:15 – 15:30	L22 Fromm, M., Hoppe, B., Grotjohann, I., Gitter, A.H., Schulzke, J.D.; Berlin, Germany Ca²⁺-mediated, but not cAMP-mediated, Cl^- secretion in rat colon originates from crypts only.
15:30 – 15:45	L23 Leonhard-Marek, S. Busche, R.; Hannover, Germany Effects of cAMP and mucosal pH on Ca²⁺ sensitive Na⁺current across rumen epithelium.
15:45 – 16:00	L24 Morel, E., Dublineau, I., Griffiths, N.M.; Fontenay-aux-Roses Cedex, France Differential sensitivities of VIP and carbachol-stimulated Isc responses in rat distal colon following abdominal irradiation.
16:00 – 18:30	Poster Session 2 (Posters 16 – 40)

Wednesday, September 22

Invited lecture	Chair: Hannelore Daniel; Munich, Germany
8:30 – 9:30	Frank Stümpel; University of Göttingen, Germany Acute regulation by intestinal nerves and gastrointestinal hormones of glucose absorption in rat small intestine.
Session 7	Chairman: Richard Naftalin; London, UK
9:30 – 9:45	L25 Bijlsma, P.B., van der Wal, A., Scholten, G., Heymans, H.S.A., Groot, J.A., Taminiau, J.A.J.M.; Rotterdam, The Netherlands Increased paracellular macromolecular transport and subnormal glucose uptake in duodenal biopsies of patients with microvillus inclusion disease.
9:45 – 10:00	L26 Grahnquist, L., Mingh, Z-M, Aizman, R., Celsi, G.; Stockholm, Sweden Angiotensin II regulates potassium transport in rat colon.
10:00 – 10:15	L27 Griffiths, N.M., Thiagarajah, J., Lebrun, F., Naftalin, R.J., Pedley, K.C.; Fontenay-aux-Roses Cedex, France Decreased colonic mucosal function is initiated by cytochrome c release following total body irradiation.
10:15 – 10:30	L28 Grotjohann, I., Schmitz, H., Fromm, M., Schulzke, J.D.; Berlin, Germany Cytokine-induced barrier changes in rat distal colon.
10:30 – 10:45	L29 Maffia, M., Rollo, M., Acierno, R., Rizzello, A., Storelli, C.; Lecce, Italy Na⁺/H⁺ exchanger in intestinal brush border membrane vesicles of the Antarctic haemoglobinless teleost Chionodraco hamatus.
10:45 – 11:00	L30 Mankertz, J., Tavalali, S., Fromm, M., Schulzke, J.D.; Berlin, Germany Identification and functional characterization of the human occludin promoter.