abstract：:TT virus (TTV) is a newly discovered virus from a patient with post-transfusion hepatitis. We investigated the frequency and pathogenesis of TTV infection in children. A semi-nested PCR assay was used to amplify TTV-DNA in serum samples from 254 ambulatory children without liver disease, 20 with hepatitis of unknown e...

journal_title：Medical microbiology and immunology

authors： Iriyama M,Kimura H,Nishikawa K,Yoshioka K,Wakita T,Nishimura N,Shibata M,Ozaki T,Morishima T

更新日期：1999-11-01 00:00:00

abstract：:Gangliosides are known to influence cell growth and differentiation. The neolacto series ganglioside IV3NeuAc-nLc4 (2-->3-sialosylparagloboside) is present in members of the monocyte/granulocyte lineage, but is not found in cells that belong to the lymphocyte lineage. In this study we demonstrated that IV3NeuAc-nLc4 i...

journal_title：Medical microbiology and immunology

authors： Schaade L,Kleines M,Walter R,Thomssen R,Ritter K

更新日期：1999-08-01 00:00:00

abstract：:IgG immune response to CagA was evaluated by enzyme-linked imunosorbent assay (ELISA) using a recombinant fragment of CagA as antigen in 171 patients with gastric cancer and 298 blood donors to determine whether it could be related to the ABO(H) blood group phenotype, stage of cancer or tumor morphology. The CagA-ELIS...

journal_title：Medical microbiology and immunology

authors： Klaamas K,Kurtenkov O,Covacci A,Lipping A,Wadström T

更新日期：1999-05-01 00:00:00

abstract：:To characterize the role of specific lymphocyte subsets in Chlamydia trachomatis infection, we established a murine model using the mouse pneumonitis agent (MoPn) of C. trachomatis and C.B-17 scid/scid (SCID) mice which lack functional B and T cells. After intraperitoneal inoculation with the bacteria, SCID mice devel...

journal_title：Medical microbiology and immunology

authors： Thoma-Uszynski S,Simnacher U,Marre R,Essig A

更新日期：1998-10-01 00:00:00

abstract：:We assessed whether the intracellular bacterium Chlamydia pneumoniae was present in post-mortem brain samples from patients with and without late-onset Alzheimer's disease (AD), since some indirect evidence seems to suggest that infection with the organism might be associated with the disease. Nucleic acids prepared f...

journal_title：Medical microbiology and immunology

authors： Balin BJ,Gérard HC,Arking EJ,Appelt DM,Branigan PJ,Abrams JT,Whittum-Hudson JA,Hudson AP

更新日期：1998-06-01 00:00:00

abstract：:Various strains of Helicobacter pylori were able to lyse erythrocytes from sheep, horse, and human when grown on blood agar. The hemolysis did not depend on the production of the vacuolating cytotoxin VacA as demonstrated by the hemolytic behavior of an isogenic vacA-negative mutant strain. The hemolytic activity coul...

journal_title：Medical microbiology and immunology

authors： Bereswill S,Fassbinder F,Völzing C,Covacci A,Haas R,Kist M

更新日期：1998-03-01 00:00:00

abstract：:The aroB gene from Helicobacter pylori strain P1 was cloned and further characterized by sequence analysis and by functional complementation of the aroB mutation in Escherichia coli. The aroB gene encodes the enzyme 3-dehydroquinate synthase which catalyzes one of the early steps in the shikimate pathway. This pathway...

journal_title：Medical microbiology and immunology

authors： Bereswill S,Fassbinder F,Völzing C,Haas R,Reuter K,Ficner R,Kist M

更新日期：1997-10-01 00:00:00

abstract：:Virus adsorption and uptake of human rhinovirus 14 (HRV14) were studied with HeLa cells and baby hamster kidney (BHK) cells which were transfected with the HRV14 receptor intercellular adhesion molecule-1 (ICAM-1). Transmission electron microscopy of HeLa cells revealed that HRV14 was internalized via clathrin-coated ...

journal_title：Medical microbiology and immunology

authors： Grunert HP,Wolf KU,Langner KD,Sawitzky D,Habermehl KO,Zeichhardt H

更新日期：1997-06-01 00:00:00

abstract：:A 33-kDa protein (TB33) was isolated from a delipidated cell sonicate (CS) of Mycobacterium tuberculosis H37Rv (grown in Middlebrook 7H9 broth supplemented with glucose) using immobilized metal affinity chromatography (IMAC) on a nickel-nitrilotriacetic acid (Ni-NTA) column. TB33 could not be isolated from the culture...

journal_title：Medical microbiology and immunology

authors： Deshpande RG,Khan MB,Bhat DA,Navalkar RG

更新日期：1996-11-01 00:00:00

abstract：:Interaction of the nucleocapsid (NP) and V proteins of human parainfluenza type 2 virus (HPIV-2) was investigated using a transient expression system. When the NP proteins were co-expressed with the V proteins, some of the NP proteins were translocated into the nuclei. These findings suggest that the NP protein intera...

journal_title：Medical microbiology and immunology

authors： Watanabe N,Kawano M,Tsurudome M,Nishio M,Ito M,Ohgimoto S,Suga S,Komada H,Ito Y

更新日期：1996-09-01 00:00:00

abstract：:The infant rat model is widely used to study the pathogenesis of meningitis caused by a variety of gram-positive and gram-negative bacteria. However, the interpretation of published results concerning meningitis is difficult in many records because the fact that blood contamination of the cerebrospinal fluid (CSF) can...

journal_title：Medical microbiology and immunology

authors： Vogel U,Steinmetz I,Frosch M

更新日期：1996-05-01 00:00:00

abstract：:Epidemiological studies in Mecklenburg-Vorpommern have shown a high prevalence of Borrelia burgdorferi-infected ticks. A total of 17 B. burgdorferi sensu lato strains were isolated from ticks and investigated by Western blots (immunoblot) with eight monoclonal anti-bodies against different epitopes of the outer surfac...

journal_title：Medical microbiology and immunology

authors： Lottmann H,Wilske B,Herrmann H

更新日期：1996-02-01 00:00:00

abstract：:Recently we demonstrated that lack of mecA transcription was responsible for the decreased methicillin resistance phenotype of strongly slime-negative Staphylococcus epidermidis phase variants [Mempel M, Feucht H, Ziehbuhr W, Endres M, Laufs R, Grüter L (1994) Antimicrob Agents Chemother 38: 1251-1255]. In the present...

journal_title：Medical microbiology and immunology

authors： Mempel M,Müller E,Hoffmann R,Feucht H,Laufs R,Grüter L

更新日期：1995-10-01 00:00:00

abstract：:The aim of this study was to characterize the cytokine secretion patterns of human T helper cells from healthy donors reactive with somatic antigens from various bacteria, the nematode Anisakis and tetanus toxoid. From the peripheral blood of four healthy donors we have established 70 T cell lines reactive with antige...

journal_title：Medical microbiology and immunology

authors： Schlaak JF,Nieder P,Meyer zum Büschenfelde KH,Fleischer B

更新日期：1994-07-01 00:00:00

abstract：:This study describes the properties of an inactivated subunit antigen preparation from varicella-zoster virus (VZV)-infected MRC-5 cells by treatment with detergent and formaldehyde, ultracentrifugation over sucrose and acetone precipitation. The method preserved the antigenicity of VZV proteins and several VZV-specif...

journal_title：Medical microbiology and immunology

authors： Davies J,Hallworth JA,McLeish P,Randall S,Martin BA,Buchan A,Skinner GR

更新日期：1994-05-01 00:00:00

abstract：:Immunodominant proteins are variable in molecular and antigenic structure among different genospecies of Borrelia burgdorferi sensu lato. We have recently developed an immunoblot using five recombinant antigens: the chromosomal-encoded B. burgdorferi proteins p100, the flagellin and an internal flagellin fragment ther...

journal_title：Medical microbiology and immunology

authors： Wilske B,Fingerle V,Preac-Mursic V,Jauris-Heipke S,Hofmann A,Loy H,Pfister HW,Rössler D,Soutschek E

更新日期：1994-02-01 00:00:00

abstract：:The presence of Borna disease virus (BDV)-specific RNA was traced by the reverse transcriptase-polymerase chain reaction in conjunctival fluid, nasal secretions and saliva of horses which were seropositive but did not have any history of clinical Borna disease. Positive reactions encompassed sequences encoding the p24...

journal_title：Medical microbiology and immunology

authors： Richt JA,Herzog S,Haberzettl K,Rott R

更新日期：1993-12-01 00:00:00

abstract：:Earlier we reported that vaccination of leprosy patients with Mycobacterium w induces an immune response directed predominantly against low molecular weight antigens. One of these antigens, with a molecular mass of 30-kDa, was recognized by a majority of the vaccinated subjects as well as the tuberculoid leprosy patie...

journal_title：Medical microbiology and immunology

authors： Yadava A,Mukherjee R

更新日期：1993-11-01 00:00:00

abstract：:The purpose of this study was to characterize antigenic determinants on structural polypeptides of human immunodeficiency virus type 2 (HIV-2ben). Therefore, three HIV-2-specific monoclonal antibodies (mAbs) against the p24 core protein (gag) and one mAb against the gp130 envelope glycoprotein (env) were produced. In ...

journal_title：Medical microbiology and immunology

authors： Faisst AC,Otteken A,Nick S,Hunsmann G

更新日期：1993-07-01 00:00:00

abstract：:Lactoferrin (Lf) is an iron-binding protein which plays an important role in the host defense systems of different mucosal surfaces including the intestinal mucosa. In the present research the role of apo-Lf and iron-saturated Lf in the invasion process of enteroinvasive bacteria, grown in iron stress or excess, was i...

journal_title：Medical microbiology and immunology

authors： Longhi C,Conte MP,Seganti L,Polidoro M,Alfsen A,Valenti P

更新日期：1993-03-01 00:00:00

abstract：:Escherichia coli isolates of serotype O6:K5 are the most common causative agents of cystitis and pyelonephritis in adults. To answer the question, as to whether strains of this particular serotype represent one special clonal group, out of a collection of 34 serotype O6:K5 isolates [Zingler et al. (1990) Zentralbl. Ba...

journal_title：Medical microbiology and immunology

authors： Zingler G,Blum G,Falkenhagen U,Orskov I,Orskov F,Hacker J,Ott M

更新日期：1993-03-01 00:00:00

abstract：:IgG subclass antibodies to Pseudomonas aeruginosa outer membrane proteins (OMP) were investigated in serum from cystic fibrosis (CF) patients by immunoblotting and enzyme-linked immunosorbent assay (ELISA). Fifteen patients (eight in good and seven in poor clinical condition) have been followed for an average of 13 ye...

journal_title：Medical microbiology and immunology

authors： Pressler T,Kronborg G,Shand GH,Mansa B,Høiby N

更新日期：1992-01-01 00:00:00

abstract：:A skim-milk fraction and a whey-protein concentrate (WPC) fraction were prepared from the cows that had been immunized with E. coli isolated from the mouse intestine. The antibacterial effect of these fractions against E. coli was examined. They contained antibody with a high affinity for E. coli strain 48, a represen...

journal_title：Medical microbiology and immunology

authors： Nomoto K,Matsuoka Y,Hayakawa K,Ohwaki M,Kan T,Yoshikai Y,Nomoto K

更新日期：1992-01-01 00:00:00

abstract：:Outer membrane fractions (OMs) of nine Campylobacter (C.) jejuni and two C. coli strains belonging to different serovars, from human and various animal origins, were extracted by treatment with sodium N-lauryl sarcosinate. Using n-octyl-beta-D-glucopyranoside a 42-kDa protein and a flagella-enriched fraction were obta...

journal_title：Medical microbiology and immunology

authors： Moser I,Schröder WF,Hellmann E

更新日期：1992-01-01 00:00:00

abstract：:Antibody to recombinant hepatitis C virus (HCV) protein C100 (anti-C100) was measured for a period of 6 months by enzyme immunoassay in nine prospectively followed non A-nonB (NANBH) cases which occurred after cardiac surgery at a hospital in Rio de Janeiro (Brazil). At least seven cases were infected with HCV; four o...

journal_title：Medical microbiology and immunology

authors： Yoshida CF,Soares OA,Schatzmayr HG,Uy A,Gerlich WH

更新日期：1992-01-01 00:00:00

abstract：:A new way of measuring indirect immunofluorescence (IIF) of microscopic bacterial slide preparations by videocamera and an image processing system is presented. This method is compared with the conventional method of reading the slides by eye. The advantages of this new approach are objective reading, greater accuracy...

journal_title：Medical microbiology and immunology

authors： Apperloo-Renkema HZ,Wilkinson MH,Oenema DG,van der Waaij D

更新日期：1991-01-01 00:00:00

abstract：:The structural relation of YOP-1 of "european" and "american" Yersinia enterocolitica serotypes O:3, O:9, O:5,27, and O:8 and O:20, respectively, and Y. pseudotuberculosis serotypes I, II, and III was compared by sodium dodecyl sulfate polyacrylamide gel electrophoresis and peptide mapping using Staphylococcus aureus ...

journal_title：Medical microbiology and immunology

authors： Mack D,Pulz M,Heesemann J

更新日期：1991-01-01 00:00:00

abstract：:Two antigens were isolated from the culture filtrates of H37Ra Mycobacterium tuberculosis by immunoabsorbent affinity chromatography, M. tuberculosis antigen 5 and immunoabsorbent affinity column-purified antigen (IAP). The potential application of these two mycobacterial antigens in the laboratory diagnosis of tuberc...

journal_title：Medical microbiology and immunology

authors： Krishnan VV,Mathai A

更新日期：1991-01-01 00:00:00

abstract：:The effects of sheep anti-murine recombinant tumor necrosis factor-alpha (TNF-alpha) on resistance to Listeria monocytogenes infection were studied in T cell-deficient nu/nu mice. The sheep anti-TNF-alpha antibody preparation was specific for TNF since it neutralized 300 U of recombinant murine TNF-alpha in vitro at a...

journal_title：Medical microbiology and immunology

authors： Hauser T,Frei K,Zinkernagel RM,Leist TP

更新日期：1990-01-01 00:00:00

abstract：:High titered Clostridium sordellii lethal toxin antiserum, cross-reactive with C. difficile cytotoxin B (ToxB), was used to isolate toxB fragments from a C. difficile expression library. Recombinant clones containing toxB fragments of the 5' and 3' end were isolate. A 2.5-kb HincII fragment of chromosomal DNA overlaps...

journal_title：Medical microbiology and immunology

authors： von Eichel-Streiber C,Laufenberg-Feldmann R,Sartingen S,Schulze J,Sauerborn M

更新日期：1990-01-01 00:00:00

abstract：:Thrombi formation was demonstrated in mesenteric microcirculation of guinea pigs inoculated with Fusobacterium necrophorum and the bacterial hemagglutinin (HA). The thrombi were initially observed in venules and later, in arterioles. Immunofluorescence study revealed that the HA bound to the thrombi in the microcircul...

journal_title：Medical microbiology and immunology

authors： Kanoe M,Yamanaka M,Inoue M

更新日期：1989-01-01 00:00:00

abstract：:Surface proteins of nine Campylobacter jejuni strains belonging to three different serovia were extracted with lysozyme/ethylenediamine-tetraacetic acid. The preparations bound to isolated murine small intestinal cells and to a membrane fraction (MF) of isolated brush borders obtained by detergent treatment with Trito...

journal_title：Medical microbiology and immunology

authors： Moser I,Hellmann E

更新日期：1989-01-01 00:00:00

abstract：:Both humoral and cell-mediated immune responses were studied in reactivated toxoplasma infection in mice. The infection was established by immunosuppressing chronically infected animals by thymectomy followed by irradiation. The reactivated infection was confirmed by reappearance of toxoplasma tachyzoites in peritonea...

journal_title：Medical microbiology and immunology

authors： Goyal M,Ganguly NK,Mahajan RC

更新日期：1989-01-01 00:00:00

abstract：:Cytotoxic effects of a leukocidin from Fusobacterium necrophorum were demonstrated on bovine hepatic cells. The cytotoxic response was dose-dependent and could be inhibited by homologous antiserum. Scanning electron microscopy revealed damaged hepatic cell surface. These findings indicated a pathogenic role of the leu...

journal_title：Medical microbiology and immunology

authors： Ishii T,Kanoe M,Inoue T,Kai K,Blobel H

更新日期：1988-01-01 00:00:00

abstract：:The DNAs of two kinds of microorganisms from human leprosy lesion, Mycobacterium leprae and Corynebacterium tuberculostearicum (also known as "leprosy-derived corynebacterium" or LDC), have been analysed and compared with the genomes of reference bacteria of the CMN group (genera Corynebacterium, Mycobacterium and Noc...

journal_title：Medical microbiology and immunology

authors： Hottat F,Coene M,Cocito C

更新日期：1988-01-01 00:00:00

abstract：:A total of 114 Clostridium difficile strains were analysed for a possible correlation between serological susceptibility to chloramphenicol, tetracycline and clindamycin, and serogrouping. All 17 chloramphenicol-resistant strains belonged to serovar I, while none of 32 tetracycline-resistant strains belonged to serova...

journal_title：Medical microbiology and immunology

authors： Nakamura S,Yamakawa K,Nakashio S,Kamiya S,Nishida S

更新日期：1987-01-01 00:00:00

abstract：:Oral treatment of mice with a combination of non-absorbable broad spectrum antibiotics at a dose level high enough to sterilize the digestive tract within five days of treatment, has been found to have a significant negative effect on the relative weight of the thymus. From the age of 12 weeks onwards, the mean relati...

journal_title：Medical microbiology and immunology

authors： van der Waaij D

更新日期：1986-01-01 00:00:00

abstract：:Streptomyces globisporus produced an enzyme which had lytic effects on streptococci and was able to solubilize their Fc-receptors. A new method for rapid purification of this enzyme was described. It consisted of adsorption to Amberlite CG 50 and subsequent chromatography on CM-cellulose Whatman CM 52. The purified en...

journal_title：Medical microbiology and immunology

authors： Tille D,Chhatwal GS,Blobel H

更新日期：1986-01-01 00:00:00

abstract：:Different culture conditions, devitalizing treatments, and preservation procedures were tested for the production of protein A-bearing cells of Staphylococcus aureus ATCC 12598. Native cells with the highest IgG-binding activity were obtained after cultivation at 37 degrees C for 24-48 h in enriched media. Devitalizat...

journal_title：Medical microbiology and immunology

authors： Ansorg RA,Zarifoglu FI

更新日期：1986-01-01 00:00:00

abstract：:Upon infection of human T-cell leukemia virus type I (HTLV-I)-carrying human T-cell lines such as MT-4, HTLV-III, a probable etiologic agent of acquired immune deficiency syndrome (AIDS) caused fast and strong cytopathic effects leading ultimately to the death of the cells. Such effects were preceded by the rapid indu...

journal_title：Medical microbiology and immunology

authors： Nakashima H,Koyanagi Y,Harada S,Yamamoto N

更新日期：1986-01-01 00:00:00