SabA Is the H. pylori Hemagglutinin and Is Polymorphic in Binding to Sialylated Glycans (2006)
Marina Aspholm, Farzad O. Olfat, Jenny Nordén, Berit Sondén, Carina Lundberg, Rolf Sjöström, ...
Adherence of Helicobacter pylori to inflamed gastric mucosa is dependent on the sialic acid–binding adhesin (SabA) and cognate sialylated/fucosylated glycans on the host cell surface. By in situ...
Apostolov, Eugene, Al-Soud, Waleed Abu, Nilsson, Ingrid, Kornilovska, Iryna, Usenko, Vasiliy, Lyzogubov, Valerij, ...
Abstract is not available
Al-Soud, Waleed Abu, Ouis, Ibn-Sina, Li, Dai-Qing, Ljungh, Sa, Wadström, Torkel
Abstract is not available
Nilsson, Hans-Olof, Ouis, Ibn-Sina, Stenram, Unne, Ljungh, Åsa, Moran, Anthony P, Wadström, Torkel, ...
Rodent models have been developed to study the pathogenesis of diseases caused by Helicobacter pylori, as well as by other gastric and intestinal Helicobacter spp., but some murine enteric...
Hynes, Sean O., Ferris, John A., Szponar, Bogumila, Wadström, Torkel, Fox, James G., O'Rourke, Jani, ...
Background. The lipopolysaccharide of Helicobacter pylori plays an important role in colonization and pathogenicity. The present study sought to compare structural and biological features of...
Detection of Helicobacter ganmani-Like 16S rDNA in Pediatric Liver Tissue (2004)
Tolia, Vasundhara, Nilsson, Hans-Olof, Boyer, Kimberly, Wuerth, Anne, Al-Soud, Waleed Abu, Rabah, Raja, ...
Background. To determine the presence of Helicobacter species in the liver biopsy specimens from children with various chronic liver diseases as data in adult literature suggests a possible role of...
Prevalence of Helicobacter pylori vacA and cagA genotypes in Ethiopian dyspeptic patients (2004)
Asrat, Daniel, Nilsson, Ingrid, Mengistu, Yohannes, Kassa, Endale, Ashenafi, Senait, Ayenew, Kiros, ...
A total of 300 gastric biopsy samples and 50 Helicobacter pylori isolates were collected from Ethiopian adult dyspeptic patients. The vacA and cagA genes were detected in 90 and 79% of biopsy...
Hynes, Sean O, McGuire, Jim, Falt, Tobias, Wadström, Torkel
Abstract is not available
Glycoconjugate Binding of Gastric and Enterohepatic Helicobacter spp. (2003)
Hynes, Sean O, Teneberg, Susann, Roche, Niamh, Wadström, Torkel
Helicobacter pylori is able to utilize several lectin-like, protein-carbohydrate interactions for binding to mucins, cell surfaces, and extracellular matrix proteins. As determined by...
Hynes, Sean O, McGuire, Jim, Wadström, Torkel
Abstract is not available
Liuba, Petru, Pesonen, Erkki, Paakkari, Ilari, Batra, Satish, Andersen, Leif, Forslid, Anders, ...
Abstract is not available
Two-year follow-up of Helicobacter pylori infection in C57BL/6 and Balb/cA mice. (2003)
Wang, Xin, Willen, Roger, Svensson, Marie, Ljungh, Åsa, Wadström, Torkel
Helicobacter pylori infection is associated with chronic gastritis, peptic ulcer disease, gastric adenocarcinoma and MALT lymphoma. We previously found high-grade lymphoma after 13 months' H. pylori...
Wadström, Torkel, Ljungh, Asa, Nilsson, Hans-Olof, Stenram, Unne
Abstract is not available
Al-Soud, Waleed Abu, Bennedsen, Mads, On, Stephen L. W., Ouis, Ibn-Sina, Vandamme, Peter, Nilsson, Hans-Olof, ...
Helicobacter species are fastidious bacterial pathogens that are difficult to culture by standard methods. A PCR-denaturing gradient gel electrophoresis (PCR-DGGE) technique for detection and...
Sjunnesson, Håkan, Fält, Tobias, Sturegård, Erik, Ljungh, Asa, Wadström, Torkel
Abstract is not available
Nilsson, Ingrid, Kornilovs'ka, Iryna, Lindgren, Stefan, Ljungh, Åsa, Wadström, Torkel
Various Helicobacter species have been isolated from the stomach, intestinal tract and liver of a variety of mammalian and some avian species, and Helicobacter DNA has been detected in human bile and...
The role of microorganisms in biliary tract disease. (2002)
The biliary tract is normally sterile, but bile-tolerant bacteria are frequently isolated from patients with cholecystitis. Since the identification of about 25 Helicobacter species, some of which...
Taneera, Jalal, Moran, Anthony P, Hynes, Sean O, Nilsson, Hans-Olof, Al-Soud, Waleed Abu, Wadström, Torkel
Bile-tolerant Helicobacter spp. are emerging human and animal pathogens. However, due to their fastidious nature, which requires nutrient-rich complex media to grow, infection with these bacteria may...
Nilsson, Hans-Olof, Blom, Jens, Al-Soud, Waleed Abu, Ljungh A, Asa, Andersen, Leif P, Wadström, Torkel
Helicobacter pylori can transform, in vivo as well as in vitro, from dividing spiral-shaped forms into nonculturable coccoids, with intermediate forms called U forms. The importance of nonculturable...
Kornilovs'ka, Iryna, Nilsson, Ingrid, Utt, Meeme, Ljungh, Asa, Wadström, Torkel
The ecological niches occupied by various species of Helicobacter are not yet known and the full spectrum of diseases associated with Helicobacter infections are not yet defined. Since these...
Abstract not available
Ananieva, Olga, Nilsson, Ingrid, Vorobjova, Tamara, Uibo, Raivo, Wadström, Torkel
Bile-tolerant Helicobacter species such as Helicobacter pullorum, Helicobacter bilis, and Helicobacter hepaticus are associated with hepatic disorders in animals and may be involved in the...
Helicobacter pylori SabA adhesin in persistent infection and chronic inflammation (2002)
Mahdavi, Jafar, Sondén, Berit, Hurtig, Marina, Olfat, Farzad O., Forsberg, Lina, Roche, Niamh, ...
Helicobacter pylori adherence in the human gastric mucosa involves specific bacterial adhesins and cognate host receptors. Here, we identify sialyl-dimeric-Lewis x glycosphingolipid as a receptor for...
Teneberg, Susann, Leonardsson, Iréne, Karlsson, Hasse, Jovall, Per-Åke, Ångström, Jonas, Danielsson, Dan, ...
The binding of Helicobacter pylori to glycosphingolipids was examined by binding of 35S-labeled bacteria to glycosphingolipids on thin-layer chromatograms. In addition to previously reported binding...
Hynes, Sean O., Broutet, Nathalie, Eurohepygast Study Group, The, Wadström, Torkel, Mikelsaar, Marika, O’Toole, Paul W., ...
A total of 309 Helicobacter pylori isolates from 18 different countries were analyzed with a previously developed lectin typing system. The system was developed by using a proteolytic pretreatment to...
Re: Helicobacter pylori Seropositivity as a Risk Factor for Pancreatic Cancer (2002)
Nilsson, Hans-Olof, Stenram, Unne, Ihse, Ingemar, Wadström, Torkel
Primary biliary cirrhosis and primary sclerosing cholangitis are of infectious origin! (2001)
Wadström, Torkel, Ljungh, Åsa, Willen, R
Abstract not available. Letter to the editor
Papadogiannakis, Nikos, Willén, Roger, Carlén, Birgitta, Sjöstedt, Svante, Wadström, Torkel, Gad, Adel
We have investigated various modes of adherence of Helicobacter pylori to the human gastric epithelium, using transmission electron microscopy, in biopsies from nine patients with peptic ulcer...
Development of high-grade lymphoma in Helicobacter pylori-infected C57BL/6mice (2000)
Wang, Xi, Willén, Roger, Andersson, Christina, Wadström, Torkel
Helicobacter pylori infection is associated with chronic gastritis, peptic ulcer disease, gastric adenocarcinoma and MALT lymphoma. Mice with H. pylori infection develop severe gastritis and atrophic...
Production and secretion of collagen-binding proteins from Aeromonas veronii (2000)
Ascencio, F., Hirst, T.R., Wadström, Torkel
Collagen-binding protein (CNBP) synthesized by Aeromonas veronii is located conserved within the subcellular fraction. The results of this study show that 98% of the total CNBP produced by Aer....
Wang, Xin, Willén, Roger, Wadström, Torkel
Helicobacter pylori infection in humans is associated with chronic type B gastritis, peptic ulcer disease, and gastric carcinoma. A high intake of carotenoids and vitamin C has been proposed to...
Nilsson, Hans-Olof, Taneera, Jalal, Castedal, Maria, Glatz, Elisabeth, Olsson, Rolf, Wadström, Torkel
Helicobacter pylori was identified in human liver tissue by PCR, hybridization, and partial DNA sequencing. Liver biopsies were obtained from patients with primary sclerosing cholangitis (n = 12),...
Nilsson, I, Lindgren, S, Eriksson, S, Wadström, Torkel
BACKGROUND: Bile tolerant helicobacter species such as H hepaticus and H bilis have frequently been reported to cause hepatitis in mice and other rodents. AIMS: To investigate the possible pathogenic...
Hynes, Sean O., Hirmo, Siiri, Wadström, Torkel, Moran, Anthony P.
Plant and animal lectins with various carbohydrate specificities were used to type 35 Irish clinical isolates of Helicobacter pylori and the type strain NCTC 11637 in a microtiter plate assay....
Plasminogen binding and activation at the surface of Helicobacter pylori CCUG 17874 (1998)
Pantzar, Martina, Ljungh, Åsa, Wadström, Torkel
The binding of iodine-labelled plasminogen to Helicobacter pylori CCUG 17874 was characterized. Inhibition of the binding was observed after preincubation of H. pylori cells with nonradiolabelled...
Hynes, Sean O., Hirmo, Siiri, Wadström, Torkel, Moran, Anthony P.
Plant and animal lectins with various carbohydrate specificities were used to type 35 Irish clinical isolates of Helicobacter pylori and the type strain NCTC 11637 in a microtiter plate assay....
Nilsson, Hans-Olof, Taneera, Jalal, Castedal, Maria, Glatz, Elisabeth, Olsson, Rolf, Wadström, Torkel
Helicobacter pylori was identified in human liver tissue by PCR, hybridization, and partial DNA sequencing. Liver biopsies were obtained from patients with primary sclerosing cholangitis (n = 12),...
Astaxanthin-Rich Algal Meal and Vitamin C Inhibit Helicobacter pylori Infection in BALB/cA Mice
Wang, Xin, Willén, Roger, Wadström, Torkel
Helicobacter pylori infection in humans is associated with chronic type B gastritis, peptic ulcer disease, and gastric carcinoma. A high intake of carotenoids and vitamin C has been proposed to...
Plasminogen Binding and Activation at the Surface of Helicobacter pylori CCUG 17874
Pantzar, Martina, Ljungh, Åsa, Wadström, Torkel
The binding of iodine-labelled plasminogen to Helicobacter pylori CCUG 17874 was characterized. Inhibition of the binding was observed after preincubation of H. pylori cells with nonradiolabelled...
Hynes, Sean O., Broutet, Nathalie, Wadström, Torkel, Mikelsaar, Marika, O’Toole, Paul W., Telford, John, ...
A total of 309 Helicobacter pylori isolates from 18 different countries were analyzed with a previously developed lectin typing system. The system was developed by using a proteolytic pretreatment to...
Effect of Cold Starvation, Acid Stress, and Nutrients on Metabolic Activity of Helicobacter pylori
Nilsson, Hans-Olof, Blom, Jens, Al-Soud, Waleed Abu, Ljungh, Åsa, Andersen, Leif P., Wadström, Torkel
Helicobacter pylori can transform, in vivo as well as in vitro, from dividing spiral-shaped forms into nonculturable coccoids, with intermediate forms called U forms. The importance of nonculturable...
Ananieva, Olga, Nilsson, Ingrid, Vorobjova, Tamara, Uibo, Raivo, Wadström, Torkel
Bile-tolerant Helicobacter species such as Helicobacter pullorum, Helicobacter bilis, and Helicobacter hepaticus are associated with hepatic disorders in animals and may be involved in the...
Glycoconjugate Binding of Gastric and Enterohepatic Helicobacter spp.
Hynes, Sean O., Teneberg, Susann, Roche, Niamh, Wadström, Torkel
Helicobacter pylori is able to utilize several lectin-like, protein-carbohydrate interactions for binding to mucins, cell surfaces, and extracellular matrix proteins. As determined by...
Enterotoxigenic Bacteria in Food and Water from an Ethiopian Community
Jiwa, Sadruddin F. H., Krovacek, Karel, Wadström, Torkel
Food and water samples from an Ethiopian community were screened for the presence of enterotoxin-producing bacteria. Using the Chinese hamster ovary cell assay, 40 of 213 isolates (18.8%) produced...
Formation of Bacteriolytic Enzymes in Batch and Continuous Culture of Staphylococcus aureus
Arvidson, Staffan, Holme, Tord, Wadström, Torkel
The formation of bacteriolytic enzymes of Staphylococcus aureus, with special reference to strain M18, was investigated under a variety of conditions. The bacteriolytic activity was tested by using...
Interaction of Escherichia coli with Different Fimbriae and Polymorphonuclear Leukocytes
Björkstén, Bengt, Wadström, Torkel
The effects of Escherichia coli strains with various fimbriae on bacteria-polymorphonuclear leukocyte (PMN) interactions were studied. Strains of E. coli were cultivated at 37°C to express and at...
Separation of Two Hemolysins from Aeromonas hydrophila by Isoelectric Focusing
Wretlind, Bengt, Möllby, Roland, Wadström, Torkel
Two hemolytic proteins (hemolysin I and II) with isoelectric points of 5.5 and 4.3 were purified by isoelectric focusing from the culture supernatant fluid of Aeromonas hydrophila. The purified...
Thelestam, Monica, Möllby, Roland, Wadström, Torkel
Human diploid embryonic lung fibroblasts and HeLa cells were cultivated in Eagle minimaĺ essential medium supplemented with 10% calf serum. Monolayer cultures were labeled with 3H-uridine and...
Prevalence of Helicobacter pylori vacA and cagA Genotypes in Ethiopian Dyspeptic Patients
Asrat, Daniel, Nilsson, Ingrid, Mengistu, Yohannes, Kassa, Endale, Ashenafi, Senait, Ayenew, Kiros, ...
A total of 300 gastric biopsy samples and 50 Helicobacter pylori isolates were collected from Ethiopian adult dyspeptic patients. The vacA and cagA genes were detected in 90 and 79% of biopsy...
Formation of Beta-Lactamase in Bacteroides fragilis: Cell-Bound and Extracellular Activity
Olsson, Barbro, Nord, Carl-Erik, Wadström, Torkel
Nine strains of Bacteroides fragilis were cultivated in stirred fermentors and tested for their ability to produce β-lactamase. There was a correlation between formation of β-lactamase and high...
Nord, Carl-Erik, Wadström, Torkel, Wretlind, Bengt
Eighteen strains of Pseudomonas maltophilia and eight strains of P. cepacia were tested for susceptibility to sulfamethoxazole, trimethoprim, and colistin in different combinations. A synergistic...
Nilsson, Hans-Olof, Ouis, Ibn-Sina, Stenram, Unne, Ljungh, Åsa, Moran, Anthony P., Wadström, Torkel, ...
Rodent models have been developed to study the pathogenesis of diseases caused by Helicobacter pylori, as well as by other gastric and intestinal Helicobacter spp., but some murine enteric...
SabA Is the H. pylori Hemagglutinin and Is Polymorphic in Binding to Sialylated Glycans
Aspholm, Marina, Olfat, Farzad O, Nordén, Jenny, Sondén, Berit, Lundberg, Carina, Sjöström, Rolf, ...
Adherence of Helicobacter pylori to inflamed gastric mucosa is dependent on the sialic acid–binding adhesin (SabA) and cognate sialylated/fucosylated glycans on the host cell surface. By in situ...
Hynes, Sean O., Hirmo, Siiri, Wadström, Torkel, Moran, Anthony P.
Plant and animal lectins with various carbohydrate specificities were used to type 35 Irish clinical isolates of Helicobacter pylori and the type strain NCTC 11637 in a microtiter plate assay....
Nilsson, Hans-Olof, Taneera, Jalal, Castedal, Maria, Glatz, Elisabeth, Olsson, Rolf, Wadström, Torkel
Helicobacter pylori was identified in human liver tissue by PCR, hybridization, and partial DNA sequencing. Liver biopsies were obtained from patients with primary sclerosing cholangitis (n = 12),...
Astaxanthin-Rich Algal Meal and Vitamin C Inhibit Helicobacter pylori Infection in BALB/cA Mice
Wang, Xin, Willén, Roger, Wadström, Torkel
Helicobacter pylori infection in humans is associated with chronic type B gastritis, peptic ulcer disease, and gastric carcinoma. A high intake of carotenoids and vitamin C has been proposed to...
Plasminogen Binding and Activation at the Surface of Helicobacter pylori CCUG 17874
Pantzar, Martina, Ljungh, Åsa, Wadström, Torkel
The binding of iodine-labelled plasminogen to Helicobacter pylori CCUG 17874 was characterized. Inhibition of the binding was observed after preincubation of H. pylori cells with nonradiolabelled...
Hynes, Sean O., Broutet, Nathalie, Wadström, Torkel, Mikelsaar, Marika, O’Toole, Paul W., Telford, John, ...
A total of 309 Helicobacter pylori isolates from 18 different countries were analyzed with a previously developed lectin typing system. The system was developed by using a proteolytic pretreatment to...
Effect of Cold Starvation, Acid Stress, and Nutrients on Metabolic Activity of Helicobacter pylori
Nilsson, Hans-Olof, Blom, Jens, Al-Soud, Waleed Abu, Ljungh, Åsa, Andersen, Leif P., Wadström, Torkel
Helicobacter pylori can transform, in vivo as well as in vitro, from dividing spiral-shaped forms into nonculturable coccoids, with intermediate forms called U forms. The importance of nonculturable...
Ananieva, Olga, Nilsson, Ingrid, Vorobjova, Tamara, Uibo, Raivo, Wadström, Torkel
Bile-tolerant Helicobacter species such as Helicobacter pullorum, Helicobacter bilis, and Helicobacter hepaticus are associated with hepatic disorders in animals and may be involved in the...
Glycoconjugate Binding of Gastric and Enterohepatic Helicobacter spp.
Hynes, Sean O., Teneberg, Susann, Roche, Niamh, Wadström, Torkel
Helicobacter pylori is able to utilize several lectin-like, protein-carbohydrate interactions for binding to mucins, cell surfaces, and extracellular matrix proteins. As determined by...
Enterotoxigenic Bacteria in Food and Water from an Ethiopian Community
Jiwa, Sadruddin F. H., Krovacek, Karel, Wadström, Torkel
Food and water samples from an Ethiopian community were screened for the presence of enterotoxin-producing bacteria. Using the Chinese hamster ovary cell assay, 40 of 213 isolates (18.8%) produced...
Formation of Bacteriolytic Enzymes in Batch and Continuous Culture of Staphylococcus aureus
Arvidson, Staffan, Holme, Tord, Wadström, Torkel
The formation of bacteriolytic enzymes of Staphylococcus aureus, with special reference to strain M18, was investigated under a variety of conditions. The bacteriolytic activity was tested by using...
Interaction of Escherichia coli with Different Fimbriae and Polymorphonuclear Leukocytes
Björkstén, Bengt, Wadström, Torkel
The effects of Escherichia coli strains with various fimbriae on bacteria-polymorphonuclear leukocyte (PMN) interactions were studied. Strains of E. coli were cultivated at 37°C to express and at...
Separation of Two Hemolysins from Aeromonas hydrophila by Isoelectric Focusing
Wretlind, Bengt, Möllby, Roland, Wadström, Torkel
Two hemolytic proteins (hemolysin I and II) with isoelectric points of 5.5 and 4.3 were purified by isoelectric focusing from the culture supernatant fluid of Aeromonas hydrophila. The purified...
Thelestam, Monica, Möllby, Roland, Wadström, Torkel
Human diploid embryonic lung fibroblasts and HeLa cells were cultivated in Eagle minimaĺ essential medium supplemented with 10% calf serum. Monolayer cultures were labeled with 3H-uridine and...
Prevalence of Helicobacter pylori vacA and cagA Genotypes in Ethiopian Dyspeptic Patients
Asrat, Daniel, Nilsson, Ingrid, Mengistu, Yohannes, Kassa, Endale, Ashenafi, Senait, Ayenew, Kiros, ...
A total of 300 gastric biopsy samples and 50 Helicobacter pylori isolates were collected from Ethiopian adult dyspeptic patients. The vacA and cagA genes were detected in 90 and 79% of biopsy...
Formation of Beta-Lactamase in Bacteroides fragilis: Cell-Bound and Extracellular Activity
Olsson, Barbro, Nord, Carl-Erik, Wadström, Torkel
Nine strains of Bacteroides fragilis were cultivated in stirred fermentors and tested for their ability to produce β-lactamase. There was a correlation between formation of β-lactamase and high...
Nord, Carl-Erik, Wadström, Torkel, Wretlind, Bengt
Eighteen strains of Pseudomonas maltophilia and eight strains of P. cepacia were tested for susceptibility to sulfamethoxazole, trimethoprim, and colistin in different combinations. A synergistic...
Nilsson, Hans-Olof, Ouis, Ibn-Sina, Stenram, Unne, Ljungh, Åsa, Moran, Anthony P., Wadström, Torkel, ...
Rodent models have been developed to study the pathogenesis of diseases caused by Helicobacter pylori, as well as by other gastric and intestinal Helicobacter spp., but some murine enteric...
SabA Is the H. pylori Hemagglutinin and Is Polymorphic in Binding to Sialylated Glycans
Aspholm, Marina, Olfat, Farzad O, Nordén, Jenny, Sondén, Berit, Lundberg, Carina, Sjöström, Rolf, ...
Adherence of Helicobacter pylori to inflamed gastric mucosa is dependent on the sialic acid–binding adhesin (SabA) and cognate sialylated/fucosylated glycans on the host cell surface. By in situ...
Pisani, Paola, Whary, Mark T., Nilsson, Ingrid, Sriamporn, Supannee, Wadström, Torkel, Fox, James G., ...
Helicobacter bilis DNA has been detected in human tissue and is a candidate for etiologic investigations on the causes of hepatic and biliary tract diseases, but reliable serologic tests need to be...
Dictor, Michael, Ek, Sara, Sundberg, Maria, Warenholt, Janina, György, Czabafy, Sernbo, Sandra, ...
The authors surveyed lymphomas to determine the range of expression of the mantle cell lymphoma- associated SOX11 transcription factor and its relation to cyclin D1. In addition to mantle cell...