Gabor Szabo

Differential Effects of Pertussis Toxin on the Muscarinic Regulation of Ca 2+ and K + Currents in Frog Cardiac Myocytes (2008)

Yongxin Li, Remy Hanf, Angela S. Otero, Rodolphe Fischmeister, Gabor Szabo

ABSTRACT The ability of acetylcholine (ACh) to inhibit 13-agonist stimulated calcium current was compared to its ability to activate the inwardly rectifying potassium current Ig(ACh) in frog atrial...

Predicting the popularity of online content (2008)

Szabo, Gabor, Huberman, Bernardo A.

We present a method for accurately predicting the long time popularity of online content from early measurements of user access. Using two content sharing portals, Youtube and Digg, we show that by...

References for the Paper WIPER: The Integrated Wireless Phone Based Emergency Response System * (2008)

Gregory R. Madey, Gabor Szabo, Albert-lászló Barabási

Abstract. We describe a prototype emergency response system. This dynamic data driven application system (DDDAS) uses wireless call data, including call volume, who calls whom, call duration,...

Madey, Gabor and Barabási Wiper: Integrated Wireless Phone Based Emergency Response System WIPER: The Integrated Wireless Phone Based Emergency Response System * (2008)

Gregory R. Madey, Gabor Szabo, Albert-lászló Barabási

Abstract. We describe a prototype emergency response system. This dynamic data driven application system (DDDAS) uses wireless call data, including call volume, who calls whom, call duration,...

Diversity of Online Community Activities (2008)

Hogg, Tad, Szabo, Gabor

Web sites where users create and rate content as well as form networks with other users display long-tailed distributions in many aspects of behavior. Using behavior on one such community site,...

Genevestigator V3: A Reference Expression Database for the Meta-Analysis of Transcriptomes (2008)

Tomas Hruz, Oliver Laule, Gabor Szabo, Frans Wessendorp, Stefan Bleuler, Lukas Oertle, ...

The Web-based software tool Genevestigator provides powerful tools for biologists to explore gene expression across a wide variety of biological contexts. Its first releases, however, were limited by...

Analysis of a large-scale weighted network of one-to-one human communication (2007)

Onnela, Jukka-Pekka, Saramaki, Jari, Hyvonen, Jorkki, Szabo, Gabor, De Menezes, M. Argollo, Kaski, Kimmo, ...

We construct a connected network of 3.9 million nodes from mobile phone call records, which can be regarded as a proxy for the underlying human communication network at the societal level. We assign...

Receptor Activation Regulates Cortical, but not Vesicular Localization of NDP Kinase (2003)

Gallagher, Betty C., Mitchell, Kimberly A.P., Szabo, Gabor, Otero, Angela De S.

We used immunofluorescence techniques to determine the localization of nucleoside diphosphate (NDP) kinase in NIH-3T3 fibroblasts. We found that cytoplasmic NDP kinase can be separated into two...

Evolutionary multiobjective optimization for base station transmitter placement with frequency assignment (2003)

Nicole Weicker, Gabor Szabo, Karsten Weicker, Peter Widmayer

We propose a new solution to the problem of positioning base station transmitters of a mobile phone network and assigning frequencies to the transmitters, both in an optimal way. Since an exact...

Structural transitions in scale-free networks (2002)

Szabo, Gabor, Alava, Mikko, Kertesz, Janos

Real growing networks like the WWW or personal connection based networks are characterized by a high degree of clustering, in addition to the small-world property and the absence of a characteristic...

Shortest paths and load scaling in scale-free trees (2002)

Szabo, Gabor, Alava, Mikko, Kertesz, Janos

The average node-to-node distance of scale-free graphs depends logarithmically on N, the number of nodes, while the probability distribution function (pdf) of the distances may take various forms....

Regulation of Potassium Transport Across Biological Membranes. (1998)

Reuss, Luis, Russell, John M., Szabo, Gabor

Potassium is quantitatively the main cation of the intracellular fluid compartment and, therefore, plays major roles in the maintenance and regulation of cell volume. In addition, potassium is...

Evaluation of the use of incentives at Flakt Ross / (1991)

Szabo, Gabor.

Research paper, Faculty of Commerce and Administration (Executive M.B.A.)--Concordia University, 1991.

A 12-Amino-Acid Segment, Present in Type s2 but Not Type s1 Helicobacter pylori VacA Proteins, Abolishes Cytotoxin Activity and Alters Membrane Channel Formation

McClain, Mark S., Cao, Ping, Iwamoto, Hideki, Vinion-Dubiel, Arlene D., Szabo, Gabor, Shao, Zhifeng, ...

Helicobacter pylori, a gram-negative bacterium associated with gastritis, peptic ulceration, and gastric adenocarcinoma in humans, secretes a protein toxin, VacA, that causes vacuolar degeneration of...

Translocation-Specific Conformation of Adenylate Cyclase Toxin from Bordetella pertussis Inhibits Toxin-Mediated Hemolysis

Gray, Mary C., Lee, Sang-Jin, Gray, Lloyd S., Zaretzky, Franca R., Otero, Angela S., Szabo, Gabor, ...

Bordetella pertussis adenylate cyclase (AC) toxin belongs to the RTX family of toxins but is the only member with a known catalytic domain. The principal pathophysiologic function of AC toxin appears...

SCAMP2 Interacts with Arf6 and Phospholipase D1 and Links Their Function to Exocytotic Fusion Pore Formation in PC12 CellsD⃞

Liu, Lixia, Liao, Haini, Castle, Anna, Zhang, Jie, Casanova, James, Szabo, Gabor, ...

SNAP receptor (SNARE)-mediated fusion is regarded as a core event in exocytosis. Exocytosis is supported by other proteins that set up SNARE interactions between secretory vesicle and plasma...

Mimicry of a Host Anion Channel by a Helicobacter pylori Pore-Forming Toxin

Czajkowsky, Daniel M., Iwamoto, Hideki, Szabo, Gabor, Cover, Timothy L., Shao, Zhifeng

Bacterial pore-forming toxins have traditionally been thought to function either by causing an essentially unrestricted flux of ions and molecules across a membrane or by effecting the transmembrane...

A 12-Amino-Acid Segment, Present in Type s2 but Not Type s1 Helicobacter pylori VacA Proteins, Abolishes Cytotoxin Activity and Alters Membrane Channel Formation

McClain, Mark S., Cao, Ping, Iwamoto, Hideki, Vinion-Dubiel, Arlene D., Szabo, Gabor, Shao, Zhifeng, ...

Helicobacter pylori, a gram-negative bacterium associated with gastritis, peptic ulceration, and gastric adenocarcinoma in humans, secretes a protein toxin, VacA, that causes vacuolar degeneration of...

Translocation-Specific Conformation of Adenylate Cyclase Toxin from Bordetella pertussis Inhibits Toxin-Mediated Hemolysis

Gray, Mary C., Lee, Sang-Jin, Gray, Lloyd S., Zaretzky, Franca R., Otero, Angela S., Szabo, Gabor, ...

Bordetella pertussis adenylate cyclase (AC) toxin belongs to the RTX family of toxins but is the only member with a known catalytic domain. The principal pathophysiologic function of AC toxin appears...

SCAMP2 Interacts with Arf6 and Phospholipase D1 and Links Their Function to Exocytotic Fusion Pore Formation in PC12 CellsD⃞

Liu, Lixia, Liao, Haini, Castle, Anna, Zhang, Jie, Casanova, James, Szabo, Gabor, ...

SNAP receptor (SNARE)-mediated fusion is regarded as a core event in exocytosis. Exocytosis is supported by other proteins that set up SNARE interactions between secretory vesicle and plasma...

Mimicry of a Host Anion Channel by a Helicobacter pylori Pore-Forming Toxin

Czajkowsky, Daniel M., Iwamoto, Hideki, Szabo, Gabor, Cover, Timothy L., Shao, Zhifeng

Bacterial pore-forming toxins have traditionally been thought to function either by causing an essentially unrestricted flux of ions and molecules across a membrane or by effecting the transmembrane...

Random Mutagenesis of Helicobacter pylori vacA To Identify Amino Acids Essential for Vacuolating Cytotoxic Activity▿

McClain, Mark S., Czajkowsky, Daniel M., Torres, Victor J., Szabo, Gabor, Shao, Zhifeng, Cover, Timothy L.

VacA is a secreted toxin that plays a role in Helicobacter pylori colonization of the stomach and may contribute to the pathogenesis of peptic ulcer disease and gastric cancer. In this study, we...

NO donors potentiate the β-adrenergic stimulation of ICa,L and the muscarinic activation of IK,ACh in rat cardiac myocytes

Abi-Gerges, Najah, Szabo, Gabor, Otero, Angela S, Fischmeister, Rodolphe, Méry, Pierre-François

The effects of nitric oxide (NO) donors on the L-type Ca2+ current (ICa,L) and the muscarinic activated K+ current (IK,ACh) were studied in isolated rat cardiac myocytes. The nitrosothiol...

Synaptic heterogeneity between mouse paracapsular intercalated neurons of the amygdala

Geracitano, Raffaella, Kaufmann, Walter A, Szabo, Gabor, Ferraguti, Francesco, Capogna, Marco

GABAergic medial paracapsular intercalated (Imp) neurons of amygdala are thought of as playing a central role in fear learning and extinction. We report here that the synaptic network formed by these...

Farm Inputs and Agri-Environment Measures as Indicators of Agri-Environment Quality in Hungary

Katona, Judit Kovacs, Takacs, Peter, Szabo, Gabor

The paper deals with agri-environmental indicators, examines farm inputs, on the basis of statistical data of the Organisation for Economic Co-operation and Development (OECD) (Szabo, Pomazi 2002)...

CHANGES IN THE STRUCTURE OF AGRICULTURAL PRODUCTION, FARM STRUCTURE AND INCOME IN HUNGARY IN THE PERIOD OF 2004-2006

Szabo, Gabor

This study reviews the major changes in Hungarian agriculture that occurred between 2004 and 2006. Subjects investigated will include the structural shift towards crop production, the drastic...

Differential expression of Na+/K+-ATPase α-subunits in mouse hippocampal interneurones and pyramidal cells

Richards, Kathryn S, Bommert, Kurt, Szabo, Gabor, Miles, Richard

The sodium pump (Na+/K+-ATPase), maintains intracellular and extracellular concentrations of sodium and potassium by catalysing ATP. Three sodium pump α subunits, ATP1A1, ATP1A2 and ATP1A3, are...