F. Lang

Details der Publikationsliste

Zeitraum

1874 - 2009

Anzahl

113

Co-Autoren

Surface modification of alloys exposed to extreme environment. (2009)

Jianu, A., Müller, G., Weisenburger, A., An, W., Heinzel, A., Zimmermann, F., ...

Euromat 2009 : European Congress and Exhibition on Advanced Materials and Processes, Glasgow, GB, September 7-10, 2009

Rubinstein-Taybi Syndrome (2008)

GERVASINI, CRISTINA COSTANZA GIOVANNA, LARIZZA, LIDIA, F. Lang

Rubinstein-Taybi Syndrome / C. Gervasini, A. Bentivegna, L. Larizza. - (Encyclopedia of Molecular Mechanisms of Disease 2008). - In: Encyclopedia of molecular mechanisms of disease ; [a cura di] F....

Ultracold Molecules in the Ro-Vibrational Triplet Ground State (2008)

Lang, F., Winkler, K., Strauss, C., Grimm, R., Denschlag, J. Hecker

We report here on the production of an ultracold gas of tightly bound Rb2 molecules in the ro-vibrational triplet ground state, close to quantum degeneracy. This is achieved by optically transferring...

References (2008)

J. Armstrong, R. Virding, C. Wikström, M. Williams Concurrent, H. Garavel, F. Lang, ...

Erlang to µCRL.In Proceedings of the International Conference on Application

Organotypical tissue cultures from adult murine colon as an in vitro model of intestinal mucosa (2008)

Bareiss, P.M., Metzger, M., Sohn, K., Rupp, S., Frick, J.S., Autenrieth, I.B., ...

Together with animal experiments, organotypical cell cultures are important models for analyzing cellular interactions of the mucosal epithelium and pathogenic mechanisms in the gastrointestinal...

Overview on applications of materials modified by intense pulsed electron beams. (2008)

An, W., Engelko, V., Heinzel, A., Jianu, A., Lang, F., Müller, G., ...

35th IEEE Internat.Conf.on Plasma Science (ICOPS), Karlsruhe, June 15-19, 2008

Pulsed electron beams and their use for material modification. (2008)

Weisenburger, A., Engelko, V., An, W., Heinzel, A., Jianu, A., Lang, F., ...

1st ITG Internat.Vacuum Electronics Workshop, Bad Honnef, November 10-11, 2008

Cruising through molecular bound state manifolds with radio frequency (2007)

Lang, F., Straten, P. V. D., Brandstätter, B., Thalhammer, G., Winkler, K., Julienne, P. S., ...

The emerging field of ultracold molecules with their rich internal structure is currently attracting a lot of interest. Various methods have been developed to produce ultracold molecules in pre-set...

Coherent optical transfer of Feshbach molecules to a lower vibrational state (2006)

Winkler, K., Lang, F., Thalhammer, G., Straten, P. V. D., Grimm, R., Denschlag, J. Hecker

Using the technique of stimulated Raman adiabatic passage (STIRAP) we have coherently transferred ultracold 87Rb2 Feshbach molecules into a more deeply bound vibrational quantum level. Our...

Knowledge of sexually transmitted diseases and HIV/AIDS symptoms of women receiving termination of pregnancy, Bloemfontein (2006)

Lang, F, Joubert, G, Prinsloo, EAM

In 2002, we conducted a cross-sectional study to determine the profile of women seeking termination of pregnancy (TOP) in the Free State and to find out whether TOP was being used as a family...

Repulsively bound atom pairs: Overview, Simulations and Links (2006)

Daley, A. J., Kantian, A., Büchler, H. P., Zoller, P., Winkler, K., Thalhammer, G., ...

We review the basic physics of repulsively bound atom pairs in an optical lattice, which were recently observed in the laboratory, including the theory and the experimental implementation. We also...

Repulsively bound atom pairs in an optical lattice (2006)

Winkler, K., Thalhammer, G., Lang, F., Grimm, R., Denschlag, J. Hecker, Daley, A. J., ...

Throughout physics, stable composite objects are usually formed via attractive forces, which allow the constituents to lower their energy by binding together. Repulsive forces separate particles in...

Regulation of intestinal phosphate cotransporter NaPi IIb by ubiquitin ligase Nedd4-2 and by serum- and glucocorticoid-dependent kinase 1. (2004)

Palmada, M, Dieter, M, Speil, A, Böhmer, C, Mack, A F, Wagner, H J, ...

Serum and glucocorticoid-inducible kinase 1 (SGK1) is highly expressed in enterocytes. The significance of the kinase in regulation of intestinal function has, however, remained elusive. In Xenopus...

Mitomycin C in combination with capecitabine or biweekly high-dose gemcitabine in patients with advanced biliary tract cancer: a randomised phase II trial (2004)

Kornek, G. V., Schuell, B., Laengle, F., Gruenberger, T., Penz, M., Karall, K., ...

Background: Patients with advanced biliary tract carcinoma face a particularly dismal prognosis, and no standard palliative chemotherapy has yet been defined. Among several different single agents,...

Multiplexed 3D imaging using wavelength encoded spectral interferometry: a proof of principle (2003)

Froehly, L., Martin, S. N., Lasser, T., Depeursinge, C., Lang, F.

Based on spectral interferometry and wavelength multiplexing, we demonstrate that a combination of these methods could lead to a 3D imaging system. This system has the advantage of a one-dimensional...

Biweekly high-dose gemcitabine alone or in combination with capecitabine in patients with metastatic pancreatic adenocarcinoma: a randomized phase II trial (2003)

Scheithauer, W., Schüll, B., Ulrich-Pur, H., Schmid, K., Raderer, M., Haider, K., ...

Background: Gemcitabine is an active antitumor agent in the treatment of advanced pancreatic cancer, and has shown potential synergistic activity with the oral fluoropyrimidine capecitabine in...

Effect of NaPi-mediated phosphate transport on intracellular pH. (2001)

Moschèn, I, Setiawan, I, Bröer, S, Murer, H, Lang, F

Extracellular pH has been shown previously to influence transport via type-II Na+/phosphate (NaPi) transporters by modifying the affinity of the carrier for Na+ and by altering the availability of...

Erucylphosphocholine-induced apoptosis in chemoresistant glioblastoma cell lines: Involvement of caspase activation and mitochondrial alterations (2001)

Jendrossek, V., Kugler, W., Erdlenbruch, B., Eibl, H., Lang, F., Lakomek, M.

Intrinsic chemoresistance constitutes a major problem in the therapy of malignant gliomas. In vitro experiments with four astrocytoma/glioblastoma (AC/GBM) cell lines revealed that the...

Multicenter phase II trial of dose-fractionated irinotecan in patients with advanced colorectal cancer failing oxaliplatin-based first-line combination chemotherapy (2001)

Ulrich-Pur, H., Kornek, G.V., Fiebiger, W., Gedlicka, C., Raderer, M., Lenauer, A., ...

Background A multicenter phase II trial was initiated to investigate the efficacy and tolerance of a dose-fractionated administration schedule of innotecan in patients with advanced colorectal cancer...

Second-line treatment with oxaliplatin + raltitrexed in patients with advanced colorectal cancer failing fluoropyrimidine/leucovorin-based chemotherapy (2001)

Scheithauer, W., Kornek, G. V., Schuell, B., Ulrich-Pur, H., Penz, M., Raderer, M., ...

Background. To evaluate the efficacy and tolerance of combined raltitrexed and oxaliplatin in patients with advanced colorectal cancer pretreated with fluoropyrimidine—leucovorin-based...

Electrophysiological characterization of the flounder type II Na+/Pi cotransporter (NaPi-5) expressed in Xenopus laevis oocytes. (1997)

Forster, I C, Wagner, C A, Busch, A E, Lang, F, Biber, J, Hernando, N, ...

The two electrode voltage clamp technique was used to investigate the steady-state and presteady-state kinetic properties of the type II Na+/Pi cotransporter NaPi-5, cloned from the kidney of winter...

A hybrid concept for 3D building acquisition (1997)

A. Brunn, E. Gülch, F. Lang, W. Förstner

This paper presents a hybrid concept of interaction between scene and

Heavy metals inhibit Pi-induced currents through human brush-border NaPi-3 cotransporter in Xenopus oocytes. (1996)

Wagner, C A, Waldegger, S, Osswald, H, Biber, J, Murer, H, Busch, A E, ...

Heavy metal intoxication with Hg2+, Pb2+ and Cd2+ commonly leads to phosphaturia. In this study, we examined the effects of these heavy metals on Pi-induced currents (Ip) through NaPi-3, the human...

Expression of a renal type I sodium/phosphate transporter (NaPi-1) induces a conductance in Xenopus oocytes permeable for organic and inorganic anions. (1996)

Busch, A E, Schuster, A, Waldegger, S, Wagner, C A, Zempel, G, Broer, S, ...

Two distinct molecular types (I and II) of renal proximal tubular brush border Na+/Pi cotransporters have been identified by expression cloning on the basis of their capacity to induce Na+-dependent...

Coexpression and stimulation of parathyroid hormone receptor positively regulates slowly activating IsK channels expressed in Xenopus oocytes. (1996)

Waldegger, S, Raber, G, Sussbrich, H, Ruppersberg, J P, Fakler, B, Murer, H, ...

Expression of the IsK protein in Xenopus oocytes induced the characteristically slow, voltage-dependent outward currents. Superfusion with the parathyroid hormone (PTH) peptide 1-34 had no effect on...

Function and dysfunction of renal transport molecules: lessons from electrophysiology. (1996)

Waldegger, S, Busch, A E, Kern, C, Capasso, G, Murer, H, Lang, F

The availability of cloned transport molecules achieved by efforts in expression cloning has allowed their electrophysiological analysis in the Xenopus oocyte expression system. We describe the...

Deranged transcriptional regulation of cell-volume-sensitive kinase hSGK in diabetic nephropathy

Lang, F., Klingel, K., Wagner, C. A., Stegen, C., Wärntges, S., Friedrich, B., ...

Transforming growth factor β (TGF-β) has been shown to participate in the pathophysiology of diabetic complications. As shown most recently, TGF-β stimulates the expression of a distinct...

l-Selectin activates the Ras pathway via the tyrosine kinase p56lck

Brenner, B., Gulbins, E., Schlottmann, K., Koppenhoefer, U., Busch, G. L., Walzog, B., ...

Selectins mediate rolling, the initial step of leukocyte adhesion to endothelial cells [Springer, T. A. (1995) Annu. Rev. Physiol. 57, 827–872 and Butcher, E. C. (1991) Cell 67, 1033–1036]. In...

Expression of a renal type I sodium/phosphate transporter (NaPi-1) induces a conductance in Xenopus oocytes permeable for organic and inorganic anions.

Busch, A E, Schuster, A, Waldegger, S, Wagner, C A, Zempel, G, Broer, S, ...

Two distinct molecular types (I and II) of renal proximal tubular brush border Na+/Pi cotransporters have been identified by expression cloning on the basis of their capacity to induce Na+-dependent...

Molecular cloning and expression of a cyclic AMP-activated chloride conductance regulator: a novel ATP-binding cassette transporter.

Van Kuijck, M A, Van Aubel, R A, Busch, A E, Lang, F, Russel, F G, Bindels, R J, ...

Cystic fibrosis transmembrane conductance regulator (CFTR) is an ATP-regulated, cAMP-activated chloride channel located in the apical membrane of many epithelial secretory cells. Here we report...

Electrophysiological analysis of Na+/Pi cotransport mediated by a transporter cloned from rat kidney and expressed in Xenopus oocytes.

Busch, A, Waldegger, S, Herzer, T, Biber, J, Markovich, D, Hayes, G, ...

Phosphate (Pi) reabsorption in renal proximal tubules involves Na+/Pi cotransport across the brush border membrane; its transport rate is influenced by the Na(+)-coupled transport of other solutes as...

Involvement of microtubules in the link between cell volume and pH of acidic cellular compartments in rat and human hepatocytes.

Busch, G L, Schreiber, R, Dartsch, P C, Völkl, H, Vom Dahl, S, Häussinger, D, ...

Cell swelling is shown to induce an increase in acridine orange fluorescence intensity, an effect pointing to the alkalinization of acidic vesicles. Since autophagic hepatic proteolysis is...

Influence of Acanthamoeba castellanii on Intracellular Growth of Different Legionella Species in Human Monocytes

Neumeister, B., Reiff, G., Faigle, M., Dietz, K., Northoff, H., Lang, F.

Previous studies using a murine model of coinhalation of Legionella pneumophila and Hartmannella vermiformis have shown a significantly enhanced intrapulmonary growth of L. pneumophila in comparison...

Amino acid sequence of the cytochrome subunit of the photosynthetic reaction centre from the purple bacterium Rhodopseudomonas viridis

Weyer, K. A., Lottspeich, F., Gruenberg, H., Lang, F., Oesterhelt, D., Michel, H.

The complete nucleotide sequence of the gene encoding the cytochrome subunit of the photosynthetic reaction centre from the purple bacterium Rhodopseudomonas viridis, and the derived amino acid...

Regulation of cell volume in the perfused rat liver by hormones.

Vom Dahl, S, Hallbrucker, C, Lang, F, Häussinger, D

The effect of hormones on cell volume was studied in isolated perfused rat liver by assessing the intracellular water space as the difference between a [3H]inulin- and a [14C]urea-accessible space....

Cell swelling increases bile flow and taurocholate excretion into bile in isolated perfused rat liver.

Hallbrucker, C, Lang, F, Gerok, W, Häussinger, D

The effects of aniso-osmotically and amino-acid-induced cell-volume changes on bile flow and biliary taurocholate excretion were studied in isolated perfused rat liver. With taurocholate (100 microM)...

Cell volume and bile acid excretion.

Häussinger, D, Hallbrucker, C, Saha, N, Lang, F, Gerok, W

The interaction between cell volume and taurocholate excretion into bile was studied in isolated perfused rat liver. Cell swelling due to hypo-osmotic exposure, addition of amino acids or insulin...

Involvement of microtubules in the swelling-induced stimulation of transcellular taurocholate transport in perfused rat liver.

Häussinger, D, Saha, N, Hallbrucker, C, Lang, F, Gerok, W

An increase of the hepatocellular hydratation state, induced by hypotonic exposure, amino acids or tauroursodeoxycholate, was shown to increase within minutes the Vmax of transcellular taurocholate...

Liver cell volume and protein synthesis.

Stoll, B, Gerok, W, Lang, F, Häussinger, D

Protein synthesis in isolated rat hepatocytes was determined from the incorporation of [3H]leucine (4 mM) into acid-precipitable material in the presence of amino acids at twice their physiological...

Effect of cell volume on Acridine Orange fluorescence in hepatocytes.

Völkl, H, Friedrich, F, Häussinger, D, Lang, F

Hepatic proteolysis is inhibited by cell swelling following a variety of experimental manoeuvres, such as reduction of extracellular osmolarity, concentrative uptake of amino acids, or blockade of K+...

Effects of aniso-osmolarity and hydroperoxides on intracellular pH in isolated rat hepatocytes as assessed by (2',7')-bis(carboxyethyl)-5(6)-carboxyfluorescein and fluorescein isothiocyanate-dextran fluorescence.

Schreiber, R, Stoll, B, Lang, F, Häussinger, D

Freshly isolated rat hepatocytes were plated for 4-6 h and either loaded with (2',7)-bis(carboxyethyl)-5(6)-carboxyfluorescein (BCECF) or allowed to endocytose fluorescein isothiocyanate...

Endogenous hydroperoxide formation, cell volume and cellular K+ balance in perfused rat liver.

Saha, N, Schreiber, R, Vom Dahl, S, Lang, F, Gerok, W, Häussinger, D

Addition of benzylamine (0.5 mM) to isolated perfused rat liver led to a net release of K+ of 10.5 +/- 0.3 mumol/g, which was accompanied by a decrease in liver mass by 9.3 +/- 0.4% and a decrease of...

Cell swelling inhibits proteolysis in perfused rat liver.

Häussinger, D, Hallbrucker, C, Vom Dahl, S, Lang, F, Gerok, W

Exposure of isolated single-pass-perfused rat liver to hypo-osmotic media resulted in liver cell swelling and an inhibition of release of branched-chain amino acids. Similarly, cell swelling...

Cellular mechanisms of adrenaline-induced hyperpolarization in renal epitheloid MDCK cells.

Pfeilschifter, J, Paulmichl, M, Wöll, E, Paulmichl, R, Lang, F

The effects of adrenaline on the potential difference across the cell membrane, on formation of inositol phosphates and on intracellular Ca2+ ([Ca2+]i) were analysed in cells without or with...

CD66-mediated phagocytosis of Opa52 Neisseria gonorrhoeae requires a Src-like tyrosine kinase- and Rac1-dependent signalling pathway.

Hauck, C R, Meyer, T F, Lang, F, Gulbins, E

The interaction of Neisseria gonorrhoeae with human phagocytes is a hallmark of gonococcal infections. Recently, CD66 molecules have been characterized as receptors for Opa52-expressing gonococci on...

Neutral amino acid transporter ASCT2 displays substrate-induced Na+ exchange and a substrate-gated anion conductance.

Bröer, A, Wagner, C, Lang, F, Bröer, S

The neutral amino acid transporter ASCT2 mediates electroneutral obligatory antiport but at the same time requires Na(+) for its function. To elucidate the mechanism, ASCT2 was expressed in Xenopus...

The heterodimeric amino acid transporter 4F2hc/y+LAT2 mediates arginine efflux in exchange with glutamine.

Bröer, A, Wagner, C A, Lang, F, Bröer, S

The cationic amino acid arginine, due to its positive charge, is usually accumulated in the cytosol. Nevertheless, arginine has to be released by a number of cell types, e.g. kidney cells, which...

The low-affinity monocarboxylate transporter MCT4 is adapted to the export of lactate in highly glycolytic cells.

Dimmer, K S, Friedrich, B, Lang, F, Deitmer, J W, Bröer, S

Transport of lactate and other monocarboxylates in mammalian cells is mediated by a family of transporters, designated monocarboxylate transporters (MCTs). The MCT4 member of this family has recently...

Association of 4F2hc with light chains LAT1, LAT2 or y+LAT2 requires different domains.

Bröer, A, Friedrich, B, Wagner, C A, Fillon, S, Ganapathy, V, Lang, F, ...

Heterodimeric amino acid transporters are comprised of a type-II membrane protein named the heavy chain (4F2hc or rBAT) that may associate with a number of different polytopic membrane proteins,...

Regulation of liver cell volume and proteolysis by glucagon and insulin.

Vom Dahl, S, Hallbrucker, C, Lang, F, Gerok, W, Häussinger, D

The effects of insulin and glucagon on liver cell volume and proteolysis were studied in isolated perfused rat liver. The rate of proteolysis was assessed as [3H]leucine release from...

Effect of isosorbiddinitrate on exogenously expressed slowly activating K+ channels and endogenous K+ channels in Xenopus oocytes.

Busch, A E, Kopp, H G, Waldegger, S, Samarzija, I, Süssbrich, H, Raber, G, ...

1. The effects of isosorbiddinitrate (ISDN) were tested on membrane currents and resting potential in Xenopus laevis oocytes which were either uninjected or injected with cRNA encoding for K+...

Effect of bradykinin, ATP and adrenaline on cell membrane resistances of Madin-Darby canine kidney cells.

Ritter, M, Lang, F

1. Previous studies have shown that bradykinin, ATP and adrenaline hyperpolarize the cell membrane of Madin-Darby canine kidney (MDCK) cells by activation of calcium-sensitive K+ channels. The...

Deranged transcriptional regulation of cell-volume-sensitive kinase hSGK in diabetic nephropathy

Lang, F., Klingel, K., Wagner, C. A., Stegen, C., Wärntges, S., Friedrich, B., ...

Transforming growth factor β (TGF-β) has been shown to participate in the pathophysiology of diabetic complications. As shown most recently, TGF-β stimulates the expression of a distinct...

l-Selectin activates the Ras pathway via the tyrosine kinase p56lck

Brenner, B., Gulbins, E., Schlottmann, K., Koppenhoefer, U., Busch, G. L., Walzog, B., ...

Selectins mediate rolling, the initial step of leukocyte adhesion to endothelial cells [Springer, T. A. (1995) Annu. Rev. Physiol. 57, 827–872 and Butcher, E. C. (1991) Cell 67, 1033–1036]. In...

Expression of a renal type I sodium/phosphate transporter (NaPi-1) induces a conductance in Xenopus oocytes permeable for organic and inorganic anions.

Busch, A E, Schuster, A, Waldegger, S, Wagner, C A, Zempel, G, Broer, S, ...

Two distinct molecular types (I and II) of renal proximal tubular brush border Na+/Pi cotransporters have been identified by expression cloning on the basis of their capacity to induce Na+-dependent...

Molecular cloning and expression of a cyclic AMP-activated chloride conductance regulator: a novel ATP-binding cassette transporter.

Van Kuijck, M A, Van Aubel, R A, Busch, A E, Lang, F, Russel, F G, Bindels, R J, ...

Cystic fibrosis transmembrane conductance regulator (CFTR) is an ATP-regulated, cAMP-activated chloride channel located in the apical membrane of many epithelial secretory cells. Here we report...

Electrophysiological analysis of Na+/Pi cotransport mediated by a transporter cloned from rat kidney and expressed in Xenopus oocytes.

Busch, A, Waldegger, S, Herzer, T, Biber, J, Markovich, D, Hayes, G, ...

Phosphate (Pi) reabsorption in renal proximal tubules involves Na+/Pi cotransport across the brush border membrane; its transport rate is influenced by the Na(+)-coupled transport of other solutes as...

Involvement of microtubules in the link between cell volume and pH of acidic cellular compartments in rat and human hepatocytes.

Busch, G L, Schreiber, R, Dartsch, P C, Völkl, H, Vom Dahl, S, Häussinger, D, ...

Cell swelling is shown to induce an increase in acridine orange fluorescence intensity, an effect pointing to the alkalinization of acidic vesicles. Since autophagic hepatic proteolysis is...

Influence of Acanthamoeba castellanii on Intracellular Growth of Different Legionella Species in Human Monocytes

Neumeister, B., Reiff, G., Faigle, M., Dietz, K., Northoff, H., Lang, F.

Previous studies using a murine model of coinhalation of Legionella pneumophila and Hartmannella vermiformis have shown a significantly enhanced intrapulmonary growth of L. pneumophila in comparison...

Amino acid sequence of the cytochrome subunit of the photosynthetic reaction centre from the purple bacterium Rhodopseudomonas viridis

Weyer, K. A., Lottspeich, F., Gruenberg, H., Lang, F., Oesterhelt, D., Michel, H.

The complete nucleotide sequence of the gene encoding the cytochrome subunit of the photosynthetic reaction centre from the purple bacterium Rhodopseudomonas viridis, and the derived amino acid...

Regulation of cell volume in the perfused rat liver by hormones.

Vom Dahl, S, Hallbrucker, C, Lang, F, Häussinger, D

The effect of hormones on cell volume was studied in isolated perfused rat liver by assessing the intracellular water space as the difference between a [3H]inulin- and a [14C]urea-accessible space....

Cell swelling increases bile flow and taurocholate excretion into bile in isolated perfused rat liver.

Hallbrucker, C, Lang, F, Gerok, W, Häussinger, D

The effects of aniso-osmotically and amino-acid-induced cell-volume changes on bile flow and biliary taurocholate excretion were studied in isolated perfused rat liver. With taurocholate (100 microM)...

Cell volume and bile acid excretion.

Häussinger, D, Hallbrucker, C, Saha, N, Lang, F, Gerok, W

The interaction between cell volume and taurocholate excretion into bile was studied in isolated perfused rat liver. Cell swelling due to hypo-osmotic exposure, addition of amino acids or insulin...

Involvement of microtubules in the swelling-induced stimulation of transcellular taurocholate transport in perfused rat liver.

Häussinger, D, Saha, N, Hallbrucker, C, Lang, F, Gerok, W

An increase of the hepatocellular hydratation state, induced by hypotonic exposure, amino acids or tauroursodeoxycholate, was shown to increase within minutes the Vmax of transcellular taurocholate...

Liver cell volume and protein synthesis.

Stoll, B, Gerok, W, Lang, F, Häussinger, D

Protein synthesis in isolated rat hepatocytes was determined from the incorporation of [3H]leucine (4 mM) into acid-precipitable material in the presence of amino acids at twice their physiological...

Effect of cell volume on Acridine Orange fluorescence in hepatocytes.

Völkl, H, Friedrich, F, Häussinger, D, Lang, F

Hepatic proteolysis is inhibited by cell swelling following a variety of experimental manoeuvres, such as reduction of extracellular osmolarity, concentrative uptake of amino acids, or blockade of K+...

Effects of aniso-osmolarity and hydroperoxides on intracellular pH in isolated rat hepatocytes as assessed by (2',7')-bis(carboxyethyl)-5(6)-carboxyfluorescein and fluorescein isothiocyanate-dextran fluorescence.

Schreiber, R, Stoll, B, Lang, F, Häussinger, D

Freshly isolated rat hepatocytes were plated for 4-6 h and either loaded with (2',7)-bis(carboxyethyl)-5(6)-carboxyfluorescein (BCECF) or allowed to endocytose fluorescein isothiocyanate...

Endogenous hydroperoxide formation, cell volume and cellular K+ balance in perfused rat liver.

Saha, N, Schreiber, R, Vom Dahl, S, Lang, F, Gerok, W, Häussinger, D

Addition of benzylamine (0.5 mM) to isolated perfused rat liver led to a net release of K+ of 10.5 +/- 0.3 mumol/g, which was accompanied by a decrease in liver mass by 9.3 +/- 0.4% and a decrease of...

Cell swelling inhibits proteolysis in perfused rat liver.

Häussinger, D, Hallbrucker, C, Vom Dahl, S, Lang, F, Gerok, W

Exposure of isolated single-pass-perfused rat liver to hypo-osmotic media resulted in liver cell swelling and an inhibition of release of branched-chain amino acids. Similarly, cell swelling...

Cellular mechanisms of adrenaline-induced hyperpolarization in renal epitheloid MDCK cells.

Pfeilschifter, J, Paulmichl, M, Wöll, E, Paulmichl, R, Lang, F

The effects of adrenaline on the potential difference across the cell membrane, on formation of inositol phosphates and on intracellular Ca2+ ([Ca2+]i) were analysed in cells without or with...

Regulation of liver cell volume and proteolysis by glucagon and insulin.

Vom Dahl, S, Hallbrucker, C, Lang, F, Gerok, W, Häussinger, D

The effects of insulin and glucagon on liver cell volume and proteolysis were studied in isolated perfused rat liver. The rate of proteolysis was assessed as [3H]leucine release from...

Effect of isosorbiddinitrate on exogenously expressed slowly activating K+ channels and endogenous K+ channels in Xenopus oocytes.

Busch, A E, Kopp, H G, Waldegger, S, Samarzija, I, Süssbrich, H, Raber, G, ...

1. The effects of isosorbiddinitrate (ISDN) were tested on membrane currents and resting potential in Xenopus laevis oocytes which were either uninjected or injected with cRNA encoding for K+...

CD66-mediated phagocytosis of Opa52 Neisseria gonorrhoeae requires a Src-like tyrosine kinase- and Rac1-dependent signalling pathway.

Hauck, C R, Meyer, T F, Lang, F, Gulbins, E

The interaction of Neisseria gonorrhoeae with human phagocytes is a hallmark of gonococcal infections. Recently, CD66 molecules have been characterized as receptors for Opa52-expressing gonococci on...

Effect of bradykinin, ATP and adrenaline on cell membrane resistances of Madin-Darby canine kidney cells.

Ritter, M, Lang, F

1. Previous studies have shown that bradykinin, ATP and adrenaline hyperpolarize the cell membrane of Madin-Darby canine kidney (MDCK) cells by activation of calcium-sensitive K+ channels. The...

Neutral amino acid transporter ASCT2 displays substrate-induced Na+ exchange and a substrate-gated anion conductance.

Bröer, A, Wagner, C, Lang, F, Bröer, S

The neutral amino acid transporter ASCT2 mediates electroneutral obligatory antiport but at the same time requires Na(+) for its function. To elucidate the mechanism, ASCT2 was expressed in Xenopus...

The heterodimeric amino acid transporter 4F2hc/y+LAT2 mediates arginine efflux in exchange with glutamine.

Bröer, A, Wagner, C A, Lang, F, Bröer, S

The cationic amino acid arginine, due to its positive charge, is usually accumulated in the cytosol. Nevertheless, arginine has to be released by a number of cell types, e.g. kidney cells, which...

The low-affinity monocarboxylate transporter MCT4 is adapted to the export of lactate in highly glycolytic cells.

Dimmer, K S, Friedrich, B, Lang, F, Deitmer, J W, Bröer, S

Transport of lactate and other monocarboxylates in mammalian cells is mediated by a family of transporters, designated monocarboxylate transporters (MCTs). The MCT4 member of this family has recently...

Association of 4F2hc with light chains LAT1, LAT2 or y+LAT2 requires different domains.

Bröer, A, Friedrich, B, Wagner, C A, Fillon, S, Ganapathy, V, Lang, F, ...

Heterodimeric amino acid transporters are comprised of a type-II membrane protein named the heavy chain (4F2hc or rBAT) that may associate with a number of different polytopic membrane proteins,...

L-selectin activates JNK via src-like tyrosine kinases and the small G-protein Rac.

Brenner, B, Weinmann, S, Grassmé, H, Lang, F, Linderkamp, O, Gulbins, E

Selectin and alpha 4 beta 7-integrins have been shown to mediate transient leucocyte interactions with endothelial cells which is a crucial step in the initial immune response to pathogens. We have...

Fas-induced programmed cell death is mediated by a Ras-regulated O2- synthesis.

Gulbins, E, Brenner, B, Schlottmann, K, Welsch, J, Heinle, H, Koppenhoefer, U, ...

Fas induces apoptosis in lymphocytes via a poorly defined intracellular signalling cascade. Previously, we have demonstrated the involvement and significance of a signalling cascade from the Fas...

The inhibitory effect of the antipsychotic drug haloperidol on HERG potassium channels expressed in Xenopus oocytes

Suessbrich, H, Schönherr, R, Heinemann, S H, Attali, B, Lang, F, Busch, A E

The antipsychotic drug haloperidol can induce a marked QT prolongation and polymorphic ventricular arrhythmias. In this study, we expressed several cloned cardiac K+ channels, including the human...

Blockade of HERG channels by the class III antiarrhythmic azimilide: mode of action

Busch, A E, Eigenberger, B, Jurkiewicz, N K, Salata, J J, Pica, A, Suessbrich, H, ...

The class III antiarrhythmic azimilide has previously been shown to inhibit IKs and IKr in guinea-pig cardiac myocytes and IKs (minK) channels expressed in Xenopus oocytes. Because HERG channels...

Effect of inhibitors of Na+/H+-exchange and gastric H+/K+ ATPase on cell volume, intracellular pH and migration of human polymorphonuclear leucocytes

Ritter, M, Schratzberger, P, Rossmann, H, Wöll, E, Seiler, K, Seidler, U, ...

Stimulation of chemotaxis of human polymorphonuclear leucocytes (PMNs) with the chemoattractive peptide fMLP (N-formyl-Met-Leu-Phe) is paralleled by profound morphological and metabolic alterations...

Up-regulation of hypertonicity-activated myo-inositol transporter SMIT1 by the cell volume-sensitive protein kinase SGK1

Klaus, F, Palmada, M, Lindner, R, Laufer, J, Jeyaraj, S, Lang, F, ...

Mechanisms of regulatory cell volume increase following cell shrinkage include accumulation of organic osmolytes such as betaine, taurine, sorbitol, glycerophosphorylcholine (GPC) and myo-inositol....

Effective treatment of advanced breast cancer with vinorelbine, 5-fluorouracil and l-leucovorin plus human granulocyte colony-stimulating factor.

Kornek, G. V., Haider, K., Kwasny, W., Lang, F., Krauss, G., Hejna, M., ...

A phase II trial was performed to investigate the efficacy and tolerance of vinorelbine (VNB), 5-fluorouracil (5-FU), l-leucovorin (LLV) and recombinant human granulocyte colony-stimulating factor...

Side effects during chemotherapy predict tumour response in advanced colorectal cancer

Schuell, B, Gruenberger, T, Kornek, G V, Dworan, N, Depisch, D, Lang, F, ...

To investigate whether a relationship between chemotherapy-associated adverse events and treatment efficacy exists, we have analysed the toxicity, objective response and survival data of 303 patients...

Effective combination chemotherapy with paclitaxel and cisplatin with or without human granulocyte colony-stimulating factor and/or erythropoietin in patients with advanced gastric cancer

Kornek, G V, Raderer, M, Schüll, B, Fiebiger, W, Gedlicka, C, Lenauer, A, ...

A phase II trial was performed to determine the antitumour efficacy and tolerance of combined paclitaxel and cisplatin with or without hematopoetic growth factor support in patients with advanced...

Irinotecan plus raltitrexed vs raltitrexed alone in patients with gemcitabine-pretreated advanced pancreatic adenocarcinoma

Ulrich-Pur, H, Raderer, M, Verena Kornek, G, Schüll, B, Schmid, K, Haider, K, ...

There is no established second-line treatment for advanced pancreatic cancer after gemcitabine failure. In view of the urgent need for such therapy, and since preclinical and phase I clinical data...