Pharmacological effect of beta toxin of Clostridium perfringens type C on rats.

abstract：:The nucleic acid fraction from cells of 6 species of bacterium and 2 kinds of vertebrate, calf and salmon, was extracted and purified by the same procedures as described previously. When the spleen cells from BALB/c mice were incubated with the nucleic acid fraction from either of the bacteria, natural killer (NK) act...

journal_title：Microbiology and immunology

authors： Yamamoto S,Yamamoto T,Shimada S,Kuramoto E,Yano O,Kataoka T,Tokunaga T

更新日期：1992-01-01 00:00:00

abstract：:Using a new plaque cloning technique, we obtained unique Chlamydia trachomatis strains which were confirmed to be free of the 7.5-kb common plasmid and glycogen in inclusions. The in vitro susceptibility of these strains to various chemotherapeutic agents was tested by comparison with their parent strains and clinical...

journal_title：Microbiology and immunology

authors： Miyashita N,Matsumoto A,Matsushima T

更新日期：2000-01-01 00:00:00

abstract：:CD4+ cytotoxic T lymphocytes (CTL) clones, YT-4 and YT-9, specific for Toxoplasma gondii (T. gondii)-infected melanoma SK-MEL 28 (P36), were generated from the peripheral blood lymphocytes (PBL) of a patient with chronic toxoplasmosis. These CTL clones were shown to secrete significant amounts of interleukin 6 (IL-6) ...

journal_title：Microbiology and immunology

authors： Yang TH,Aosai F,Norose K,Ueda M,Yano A

更新日期：1996-01-01 00:00:00

abstract：:The mitogen effect on migration of eosinophils and monocytes was studied in embryonic chickens. On the 13th embryonic day, chickens were injected with mitogens, such as concanavalin A (Con A), phytohemagglutinin-P (PHA-P), and lipopolysaccharide (LPS), into the allantoic cavity, and the mitogenic effect was estimated ...

journal_title：Microbiology and immunology

authors： Moriya O,Ichikawa Y

更新日期：1979-01-01 00:00:00

abstract：:Capture enzyme-linked immunosorbent assays (ELISAs) were developed to detect immunoglobulin G and M antibodies to group A streptococcal (GAS) antigens, streptolysin O, streptokinase, and group A carbohydrate. The sensitivities and the specificities of the IgM capture ELISAs to each GAS antigen were high enough to dist...

journal_title：Microbiology and immunology

authors： Hayashi S,Yokota K,Takizawa Y,Tomizawa I,Nejime T,Oguma K

更新日期：1993-01-01 00:00:00

abstract：:We previously reported the establishment of an HEp2 cell line which expresses the US3 protein kinase (PK) of herpes simplex virus type 2 (HSV-2) upon induction with IPTG. Here we report that expression, phosphorylation and ubiquitination of cytokeratin 17 (CK17) are enhanced in US3-expressing HEp2 cells. In vitro kina...

journal_title：Microbiology and immunology

authors： Murata T,Goshima F,Nishizawa Y,Daikoku T,Takakuwa H,Ohtsuka K,Yoshikawa T,Nishiyama Y

更新日期：2002-01-01 00:00:00

abstract：:Lancefield group C Streptococcus dysgalactiae causes infections in farmed fish. Here, the genome of S. dysgalactiae strain kdys0611, isolated from farmed amberjack (Seriola dumerili) was sequenced. The complete genome sequence of kdys0611 consists of a single chromosome and five plasmids. The chromosome is 2,142,780 b...

journal_title：Microbiology and immunology

authors： Nishiki I,Yoshida T,Fujiwara A

更新日期：2019-07-01 00:00:00

abstract：:IFN gamma production in cultures of spleen cells obtained from mice sensitized with TH69, a live Streptococcus faecalis preparation, was examined to determine how macrophages participate. It was demonstrated that sensitized spleen macrophages participated in enhanced IFN gamma production by T cells at an early stage (...

journal_title：Microbiology and immunology

authors： Yamaguchi T,Kuroda Y,Yokoyama T,Saito M,Ebina T,Hoshino F,Ishida N

更新日期：1984-01-01 00:00:00

abstract：:Natural killer cells, a critical component of the innate immune system, eradicate both virus-infected cells and tumor cells through cytotoxicity and secretion of cytokines. Human NK cell research has largely been based on in vitro studies because of the lack of appropriate animal models. In this study, a selective pro...

journal_title：Microbiology and immunology

authors： Hattori S,Matsuda K,Kariya R,Harada H,Okada S

更新日期：2016-02-01 00:00:00

abstract：:The inflammasome is a multiprotein complex that mediates caspase-1 activation with subsequent maturation of the proinflammatory cytokines IL-1β and IL-18. The NLRP3 inflammasome is known to be activated by Staphylococcus aureus, one of the leading causes of bacteremia worldwide. Inflammasome activation and regulation ...

journal_title：Microbiology and immunology

authors： Rasmussen G,Idosa BA,Bäckman A,Monecke S,Strålin K,Särndahl E,Söderquist B

更新日期：2019-12-01 00:00:00

abstract：:ISG20 is an ribonuclease specific for single-stranded RNA and considered to play a role in innate immunity against virus infections. We herein show that both poly IC, an authentic double-stranded RNA, and IFN-gamma induced ISG20 expression in cultured HUVEC. Poly IC-induced ISG20 expression was inhibited by LY294002, ...

journal_title：Microbiology and immunology

authors： Imaizumi T,Mechti N,Matsumiya T,Sakaki H,Kubota K,Yoshida H,Kimura H,Satoh K

更新日期：2008-01-01 00:00:00

abstract：:Herpes simplex virus type 1 (HSV-1) was reactivated more rapidly in cells of latently infected mouse trigeminal ganglia which were cultured in serum-free medium (after 3.7 days of cultivation) than in those cultured in serum-containing Dulbecco's modified Eagle's medium (after 8.5 days of cultivation). The concentrati...

journal_title：Microbiology and immunology

authors： Kimura S

更新日期：1996-01-01 00:00:00

abstract：:Enterohaemorrhagic Escherichia coli O157: H7 is an important pathogen these days. Outbreaks of its infection have been reported all over the world, in Australia, Canada, Japan, the United States, south Africa, and various countries in Europe. In the summer of 2001, the first clinical infection by E. coli O157: H7 was ...

journal_title：Microbiology and immunology

authors： Tsai TY,Luo WC,Wu FT,Pan TM

更新日期：2005-01-01 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：:We developed an effective system to eliminate poliovirus from modified tap water using a positively-charged carbon felt electrode. The zeta potential of polioviruses was measured using laser microscopic electrophoresis. Poliovirus adsorption to the electrode was examined by indirect immunofluorescence. The tissue cult...

journal_title：Microbiology and immunology

authors： Kondo Y,Morita Y,Yamada A,Kimura H

更新日期：2004-01-01 00:00:00

abstract：:Clostridium perfringens KZ1340 isolated from Antarctic soil was first classified as Clostridium plagarum and later as a lecithinase-negative variant of C. perfringens. Although the strain produced no detectable lecithinase (phospholipase C, PLC) activity in the culture supernatant, it was shown by Southern blot hybrid...

journal_title：Microbiology and immunology

authors： Kameyama K,Matsushita O,Katayama S,Minami J,Maeda M,Nakamura S,Okabe A

更新日期：1996-01-01 00:00:00

abstract：:A VeraCode-allele-specific primer extension (ASPE) method was applied to the detection and genotyping of human papillomavirus (HPV)-DNA. Oligonucleotide primers containing HPV-type-specific L1 sequences were annealed to HPV-DNA amplified by PGMY-PCR, followed by ASPE to label the DNA with biotinylated nucleotides. The...

journal_title：Microbiology and immunology

authors： Kitamura-Muramatsu Y,Kusumoto-Matsuo R,Kondo K,Mori S,Saito S,Tsukahara Y,Kukimoto I

更新日期：2012-02-01 00:00:00

abstract：:Seroprevalence of Bartonella henselae was investigated in Japan in 48 individuals clinically suspected of having cat-scratch disease (CSD), 159 patients with cardiovascular diseases, and 129 healthy veterinary students. Of 48 CSD-suspected patients examined, 19 (39.6%) were positive for B. henselae-IgG and 4 (8.3%) fo...

journal_title：Microbiology and immunology

authors： Kikuchi E,Maruyama S,Sakai T,Tanaka S,Yamaguchi F,Hagiwara T,Katsube Y,Mikami T

更新日期：2002-01-01 00:00:00

abstract：:SCG is a major 6-branched 1,3-beta-D-glucan in Sparassis crispa Fr. SCG shows antitumor activity and also enhances the hematopoietic response in cyclophosphamide (CY)-treated mice. In the present study, the molecular mechanism of the enhancement of the hematopoietic response was investigated. The levels of interferon-...

journal_title：Microbiology and immunology

authors： Harada T,Kawaminami H,Miura NN,Adachi Y,Nakajima M,Yadomae T,Ohno N

更新日期：2006-01-01 00:00:00

abstract：:Dendritic cells (DCs) have a major role in regulating immune responses, including tumor immunity and peripheral tolerance. In the present study, we identified novel functions of herbal medicines in DCs by screening 99 herbal medicines, most of which are among the 210 Chinese medicines approved by the Ministry of Healt...

journal_title：Microbiology and immunology

authors： Fukui H,Mitsui S,Harima N,Nose M,Tsujimura K,Mizukami H,Morita A

更新日期：2007-01-01 00:00:00

abstract：:Biofilm formation is an important phenotype associated with chronic Pseudomonas aeruginosa infections. In the present study, a total of 48 P. aeruginosa strains isolated from clinical specimens were examined for their biofilm-forming ability using a microtiter plate method. The different biofilm-forming abilities were...

journal_title：Microbiology and immunology

authors： Yang W,Shi L,Jia WX,Yin X,Su JY,Kou Y,Yi X,Shinoda S,Miyoshi S

更新日期：2005-01-01 00:00:00

abstract：:We constructed a plasmid containing bovine leukemia virus (BLV)-tax gene driven by SR alpha promoter, designated as pME-BLVtax, to activate the promoter of the long terminal repeat (LTR) of BLV in various tumor cells. Activation of the promoter of BLV-LTR by pME-BLVtax was confirmed by luciferase assay. When the cells...

journal_title：Microbiology and immunology

authors： Tana,Watarai S,Aida Y,Tajima S,Kakidani H,Onuma M,Kodama H

更新日期：2001-01-01 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：:An environmental isolate of V. mimicus, strain E-33, has been reported to produce and secrete a hemolysin of 63 kDa. The hemolysin is enterotoxic in test animals. The nucleotide sequence of the structural gene of the hemolysin was determined. We found a 2,232 bp open reading frame, which codes a peptide of 744 amino a...

journal_title：Microbiology and immunology

authors： Rahman MM,Miyoshi S,Tomochika K,Wakae H,Shinoda S

更新日期：1997-01-01 00:00:00

abstract：:Electron microscopy of Triton X-100-treated whole cells of an oral treponeme, Treponema sp. strain E-21, revealed that six cytoplasmic fibrils (CFs) helically wound as a bundle in the cytoplasm. The CFs were isolated and purified by disruption and solubilization of the cells followed by CsCl density gradient centrifug...

journal_title：Microbiology and immunology

authors： Masuda K,Kawata T

更新日期：1989-01-01 00:00:00

abstract：:To determine the extent of genetic diversity of Salmonella choleraesuis subspecies choleraesuis serovar Infantis and whether environmental isolates were similar or identical to human isolates, a total of 110 isolates from humans, broiler samples, egg production facilities, riverwater, sewage, and chicken meat were ana...

journal_title：Microbiology and immunology

authors： Murakami K,Horikawa K,Otsuki K

更新日期：1999-01-01 00:00:00

abstract：:A chimeric PCV1-2 clone containing the PCV2 capsid gene cloned into the backbone of the nonpathogenic PCV1 genome was recently generated based on PCV2 and PCV1 strains isolated in China. The efficacy of this available candidate inactivated vaccine was evaluated by subjecting conventional pigs to intramuscular immuniza...

journal_title：Microbiology and immunology

authors： Xujie L,Xiaobo W,Yi S,Jing F,Song G,Xiufan L

更新日期：2011-04-01 00:00:00

abstract：:Intracellular localization of the wild-type (Spv+), the phoP-constitutively expressed strain (PhoPc), and the spv-deleted strain (Spv-) of Salmonella typhimurium was examined by the use of confocal laser scanning microscopy analysis of immunostained sections of mouse spleens after oral or subcutaneous inoculation. Onl...

journal_title：Microbiology and immunology

authors： Matsui H,Eguchi M,Kikuchi Y

更新日期：2001-01-01 00:00:00

abstract：:Both cluster of differentiation (CD)4(+) and CD8(+) T lymphocytes play key roles in immunity to Brucella, in part because they secrete interferon (IFN)-γ and activate bactericidal functions in macrophages. Therefore, use of markers of macrophage activation may have diagnostic and prognostic significance. High-mobili...

journal_title：Microbiology and immunology

authors： Ayarcı AO,Yılmaz E,Sığırlı D,Budak F,Göral G,Oral HB

更新日期：2013-02-01 00:00:00

abstract：:The effect of the two-year milk-feeding on the gastrointestinal (GI) microflora of a cynomolgus monkey was determined. Bifidobacterium spp. in the animal fed with cow's milk alone were distributed in higher number in the stomach, duodenum, cecum, and rectum. The increasingly higher numbers of Lactobacillus spp. and Ca...

journal_title：Microbiology and immunology

authors： Benno Y,Honjo S,Mitsuoka T

更新日期：1987-01-01 00:00:00