Isolation of antigenically active components from leptospiral serovar-specific lipopolysaccharide antigen by alkaline treatment.

abstract：:The major structural proteins of Newcastle disease virus and Sendai virus were localized in infected BHK-21 and MDBK cells by ultrastructural immunoperoxidase cytochemistry using antibodies against the individual viral protein antigens. The intracellular glycoproteins were strictly membrane bound, being localized in t...

journal_title：Microbiology and immunology

authors： Nagai Y,Yoshida T,Hamaguchi M,Nagura H,Hasegawa H,Yoshimura S,Watanabe K

更新日期：1983-01-01 00:00:00

abstract：:To investigate cellular components incorporated into the rabies virion, monoclonal antibodies (MAbs) were screened based on their reactivity with additional virion components. Two of the MAbs we prepared recognized a virion-associated 21 kDa polypeptide (referred to as VAP21) from a BHK-21 cell. Since the MAbs precipi...

journal_title：Microbiology and immunology

authors： Sagara J,Tochikura TS,Yamamoto T,Tsukita S,Tsukita S,Kawai A

更新日期：1997-01-01 00:00:00

abstract：:The concept of superantigens is well-known and widely accepted. In this brief communication, we analyze the behaviour of antigen-presenting cells after T-cell activation by staphylococcal enterotoxin B, a representative superantigen. We tried to activate murine T cells by inflammatory mouse peritoneal macrophage in th...

journal_title：Microbiology and immunology

authors： Sakurada J,Tajima A,Shinji H,Seki K,Masuda S

更新日期：2000-01-01 00:00:00

abstract：:Trehalose 6,6'-dimycolate (TDM), or cord factor, is a crucial stimulus of immune responses during Mycobacterium tuberculosis infection. Although TDM has immuno-stimulatory properties, including adjuvant activity and the ability to induce granuloma formation, the mechanisms underlying these remain unknown. We hypothesi...

journal_title：Microbiology and immunology

authors： Lee WB,Yan JJ,Kang JS,Chung S,Kim LK

更新日期：2017-12-01 00:00:00

abstract：:Quantitative PCR (qPCR) of human T-cell leukemia virus type 1 (HTLV-1) provirus is used for HTLV-1 testing and for assessment of risk of HTLV-1-related diseases. In this study, a reference material was developed for standardizing HTLV-1 qPCR. Freeze-dried TL-Om1 cells diluted with Jurkat cells were prepared and an ass...

journal_title：Microbiology and immunology

authors： Kuramitsu M,Okuma K,Nakashima M,Sato T,Sasaki D,Hasegawa H,Umeki K,Kubota R,Sasada K,Sobata R,Matsumoto C,Kaneko N,Tezuka K,Matsuoka S,Utsunomiya A,Koh KR,Ogata M,Ishitsuka K,Taki M,Nosaka K,Uchimaru K,Iwanaga M

更新日期：2018-10-01 00:00:00

abstract：:Actin is a major antigen involved in the reaction of smooth muscle antibody positive sera from patients with chronic active hepatitis. In the present study, actin extracted from rabbit skeletal muscle was denatured by sodium dodecyl sulfate and was immunized into the rabbit, a homologous animal for actin. The rabbits,...

journal_title：Microbiology and immunology

authors： Nishioka M,Aibiki T,Shirai M,Terada S,Kagawa H,Watanabe S

更新日期：1986-01-01 00:00:00

abstract：:Interleukin 5 (IL-5), a lymphokine produced by helper T cells, is involved in the regulation of growth and differentiation of B cells and other hematopoietic cells. To elucidate IL-5-mediated intracellular mechanisms, we have established IL-5-dependent and -independent murine early B cell lines, J6 and MJ88-1, respect...

journal_title：Microbiology and immunology

authors： Migita M,Yamaguchi N,Katoh S,Mita S,Matsumoto R,Sonoda E,Tsuchiya H,Matsuda I,Tominaga A,Takatsu K

更新日期：1990-01-01 00:00:00

abstract：:By subcutaneous inoculation of 10(8) CFU of enterohemorrhagic E. coli O157:H7, specific-pathogen-free mice revealed most of the symptoms and histological changes observed in patients. The histological changes in intestine were mainly seen in the distal parts of small intestine and the cecum. Vacuolation of villi in th...

journal_title：Microbiology and immunology

authors： Lai XH,Xu JG,Liu BY

更新日期：1991-01-01 00:00:00

abstract：:gp96 plays a central role in innate as well as acquired immunity, maturation and chemotaxis of dendritic cells, Ab production, and cross-priming, and is a peptide acceptor in endoplasmic reticulum and an accessory to peptide loading of MHC class I molecules. The remarkable conservation of essential immunological prope...

journal_title：Microbiology and immunology

authors： Cho NH,Choi CY,Seong SY

更新日期：2004-01-01 00:00:00

abstract：:A leukocidin was isolated and purified from autolysates of Pseudomonas aeruginosa strain 158 by a combination of procedures such as column chromatography on DEAE-Sephadex A-50, gel filtration on Sephadex G-100, and zone electrophoresis on pevikon. The purified preparation showed a single band in each experiment using ...

journal_title：Microbiology and immunology

authors： Hirayama T,Kato I,Matsuda F,Noda M

更新日期：1983-01-01 00:00:00

abstract：:Bordetella pertussis causes whooping cough, a severe and prolonged respiratory disease that results inhas high morbidity and mortality rates, particularly in developing countries. The number incidence of whooping cough cases is increasing in many countries despite high vaccine coverage. Causes for the re-emergence of ...

journal_title：Microbiology and immunology

authors： Suzuki K,Shinzawa N,Ishigaki K,Nakamura K,Abe H,Fukui-Miyazaki A,Ikuta K,Horiguchi Y

更新日期：2017-09-01 00:00:00

abstract：:None of the 58 Moraxella catarrhalis strains grew on nutrient agar without sodium chloride supplementation, whereas 49 of 51 commensal Neisseria spp. strains tested did. Growth on nutrient agar without sodium chloride supplementation could be used for screening between M. catarrhalis and commensal Neisseria spp. ...

journal_title：Microbiology and immunology

authors： Chida T,Sawabe E,Ono E,Nishiyama H,Ebina K,Sato K,Watanabe Y,Kuroki T,Okamura N

更新日期：2005-01-01 00:00:00

abstract：:Live attenuated bacteria can be used as a carrier for the delivery of foreign antigens to a host's immune system. The N-terminal domain of SipB, a translocon protein of the type III secretion system of Salmonella enterica serovar Typhimurium, is required for secretion and outer membrane localization. In the present st...

journal_title：Microbiology and immunology

authors： Jang JI,Kim JS,Eom JS,Kim HG,Kim BH,Lim S,Bang IS,Park YK

更新日期：2012-09-01 00:00:00

abstract：:The function of MHC class II HLA-DR molecules expressed on a human B lymphoid progenitor cell line FL8.2.4.4 (abbreviated as FL4.4) was examined. FL4.4 cells expressed HLA-DR molecules and stimulation of the DR molecules by anti-DR mAb or by superantigen TSST-1 induced strong augmentation of homocytic aggregation and ...

journal_title：Microbiology and immunology

authors： Naitoh K,Ichigi Y,Miyake K,Muraguchi A,Kimoto M

更新日期：1994-01-01 00:00:00

abstract：:The production from murine resident peritoneal macrophages (M phi) of a soluble factor, which was capable of enhancing the antigen-presenting (AP) function of dendritic cells (DC), was examined. The supernatants of peritoneal M phi (M phi sup) were prepared by culturing peritoneal M phi with particles, i.e., zymosan A...

journal_title：Microbiology and immunology

authors： Miyazaki H,Ito A,Osawa T

更新日期：1988-01-01 00:00:00

abstract：:Streptococcus suis infection induces formation of neutrophil extracellular traps (NETs) in vitro; however, the contribution of NETs-mediated killing to the pathogenesis of S. suis in vivo is yet to be elicited. The findings of the present study indicated that extracellular DNA fiber can be induced in a murine model in...

journal_title：Microbiology and immunology

authors： Zhao J,Lin L,Fu L,Han L,Zhang A

更新日期：2016-04-01 00:00:00

abstract：:In this review, we have emphasized: 1) bacterial lipopolysaccharide (LPS) involvement in IgA responses to orally administered thymic-dependent (TD) antigens; 2) characterization of Peyer's patch (PP) lymphoreticular cells; and 3) gastrointestinal immunization with gram negative pathogens and anti-LPS immunity to infec...

journal_title：Microbiology and immunology

authors： McGhee JR,Michalek SM,Kiyono H,Eldridge JH,Colwell DE,Williamson SI,Wannemuehler MJ,Jirillo E,Mosteller LM,Spalding DM

更新日期：1984-01-01 00:00:00

abstract：:Nineteen strains of Newcastle disease virus (NDV) isolated from wild ducks in Japan were placed into 4 distinct antigenic groups on the basis of their reactivities to 8 monoclonal antibodies against the HN molecule of NDV in hemagglutination inhibition tests. The NDV strains of duck origin were antigenically distinct ...

journal_title：Microbiology and immunology

authors： Kawamura M,Nagata-Matsubara K,Nerome K,Yamane N,Kida H,Kodama H,Izawa H,Mikami T

更新日期：1987-01-01 00:00:00

abstract：:Porphyromonas gingivalis is a pathogen associated with adult periodontitis, which is a chronic inflammatory disease characterized by breakdown of the periodontal tissue. Dipeptidyl aminopeptidase IV (DPPIV) produced by P. gingivalis has been considered to be a potential virulence factor based on the finding that the v...

journal_title：Microbiology and immunology

authors： Kumagai Y,Yajima A,Konishi K

更新日期：2003-01-01 00:00:00

abstract：:L forms of Salmonella typhimurium LT2 conferred strong protection to a lethal challenge with its parental bacterium on innately hypersusceptible C3H/HeJ mice, and its minimal protective dose was approximately 150 L-forming units. Although L-form S. typhimurium was avirulent for C3H/HeJ mice, it multiplied slowly in bo...

journal_title：Microbiology and immunology

authors： Nishikawa F,Kita E,Yamada H,Nakano A,Kashiba S

更新日期：1994-01-01 00:00:00

abstract：:Hepatitis C virus (HCV) non-structural protein 5B (NS5B) is an RNA replicase. We expressed full-length NS5B (591 amino acid residues) in Escherichia coli as a fusion protein with maltose binding protein (MBP-NS5B). MBP-NS5B was recovered in the soluble fraction after centrifugation at 40,000 x g and affinity-purified ...

journal_title：Microbiology and immunology

authors： Tanaka T,Sugiyama K,Ikeda M,Naganuma A,Nozaki A,Saito M,Shimotohno K,Kato N

更新日期：2000-01-01 00:00:00

abstract：:Using anti-human B cell monoclonal antibodies prepared against B1 (CD20), B2 (CD21), B4 (CD19), and BB-1 (B lymphoblast antigen-1), we compared the expression of B cell differentiation antigens on a Jijoye-P3HR-1 cell line family of Burkitt's lymphomas. The expression of BB-1 and B2 antigens was faint on P3HR-1 K cell...

journal_title：Microbiology and immunology

authors： Yokochi T,Inoue Y,Iwata H,Miyadai T,Kimura Y

更新日期：1988-01-01 00:00:00

abstract：:Immune responses to Helicobacter pylori infection play important roles in gastroduodenal diseases. The contributions of tumor necrosis factor-alpha (TNF-alpha) and interferon-gamma (IFN-gamma) to the induction of gastric inflammation and to the protection from H. pylori infection were investigated using TNF-alpha gene...

journal_title：Microbiology and immunology

authors： Yamamoto T,Kita M,Ohno T,Iwakura Y,Sekikawa K,Imanishi J

更新日期：2004-01-01 00:00:00

abstract：:Phage TP1, induced from Vibrio parahaemolyticus K-20 pilot strain by mitomycin C, exhibited a unique hexagonal head with knob-like projections which covered the whole capsid and a noncontractile tail. The appearance of this phage was very similar to those of phages VP3 and VP6, isolated from seawater. The host range o...

journal_title：Microbiology and immunology

authors： Koga T,Kawata T

更新日期：1991-01-01 00:00:00

abstract：:During the three-year period from 1984 to 1987, 506 acute gastroenteritis outbreaks involving 14,383 patients were reported to the Bureau of Public Health, Tokyo Metropolitan Government. Eighty (4,324 patients) of 150 outbreaks (4,860 patients) from which etiologic agents were not identified were subjected to virologi...

journal_title：Microbiology and immunology

authors： Sekine S,Okada S,Hayashi Y,Ando T,Terayama T,Yabuuchi K,Miki T,Ohashi M

更新日期：1989-01-01 00:00:00

abstract：:Site-specific recombinase is widely applied for the regulation of gene expression because its regulatory action is strict and efficient. However, each system can mediate regulation of only one gene at a time. Here, we demonstrate efficient "sequential" gene regulation using Cre-and FLP-expressing recombinant adenoviru...

journal_title：Microbiology and immunology

authors： Kondo S,Takahashi Y,Shiozawa S,Ichise H,Yoshida N,Kanegae Y,Saito I

更新日期：2006-01-01 00:00:00

abstract：:Fcgamma receptor (R) IIB, a low-affinity FcR for IgG, inhibits B cell Ag R (BCR)-mediated activation when these two receptors are cross-linked by Ag and IgG-containing immune complexs (ICs). We found deletion polymorphisms in the promoter region of fcgr2b in NC/Nga mice, a model for human atopic dermatitis. NC/Nga mic...

journal_title：Microbiology and immunology

authors： Sakai T,Kogiso M,Mitsuya K,Komatsu T,Yamamoto S

更新日期：2006-01-01 00:00:00

abstract：:A polymyxin B (PXB)-resistant mutant of Klebsiella pneumoniae O3 was isolated. Lipopolysaccharide (LPS) extracted from the PXB-resistant isolate bound little PXB, although LPS from the parental strain did. The 31P nuclear magnetic resonance (NMR) spectrum of PXB-resistant type LPS showed that it contained much less of...

journal_title：Microbiology and immunology

authors： Yokochi T,Inoue Y,Jiang GZ,Kato Y,Sugiyama T,Kawai M,Fukada M,Takahashi K

更新日期：1994-01-01 00:00:00

abstract：:The activities of a water-soluble peptidoglycan fragment derived from Staphylococcus epidermidis (SEPS) were examined as to their role in proliferation of spleen mononuclear cells (SMNC) from various strains of mice, the production of cytokines in vitro, and the induction of an inflammatory reaction in vivo. The proli...

journal_title：Microbiology and immunology

authors： Onta T,Sashida M,Fujii N,Sugawara S,Rikiishi H,Kumagai K

更新日期：1993-01-01 00:00:00

abstract：:Burkholderia cepacia complex (Bcc) are opportunistic pathogens implicated with nosocomial infections, and high rates of morbidity and mortality, especially in individuals with cystic fibrosis (CF). B. cepacia are naturally resistant to different classes of antibiotics, and can subvert the host innate immune responses ...

journal_title：Microbiology and immunology

authors： Ganesh PS,Vishnupriya S,Vadivelu J,Mariappan V,Vellasamy KM,Shankar EM

更新日期：2020-02-01 00:00:00