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The Role of Yersinia enterocolitica O:3 Lipopolysaccharide in Collagen-Induced Arthritis. J Immunol Res 2020; 2020:7439506. [PMID: 33274243 PMCID: PMC7676966 DOI: 10.1155/2020/7439506] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/24/2020] [Accepted: 10/15/2020] [Indexed: 11/17/2022] Open
Abstract
Yersinia enterocolitica O:3 is mentioned among the most common arthritogenic pathogens. Bacterial components (including lipopolysaccharide (LPS)) may persist in the joint after eradication of infection. Having an adjuvant activity, LPS may enhance production of anticollagen antibodies, involved in the pathogenesis of rheumatoid arthritis. Furthermore, its ability to activate complement contributes to the inflammation. The aim of this work was to investigate whether Yersinia LPS (coinjected with collagen) is associated with arthritis progression or other pathological effects and to elucidate the mechanism of this association. It was demonstrated that murine mannose-binding lectin C (MBL-C) recognizes the inner core heptoses of the Rd1 chemotype LPS of Yersinia. In addition, the Rd1 LPS activates the MBL-associated serine protease 1 (MASP-1) stronger than the S and Ra chemotype LPS and comparable to Klebsiella pneumoniae O:3 LPS. However, in contrast to the latter, Yersinia Rd1 LPS was associated neither with the adjuvancity nor with the enhancement of pathological changes in animal paws/impairment of motility. On the other hand, it seemed to be more hepatotoxic when compared with the other tested endotoxins, while the enlargement of inguinal lymph nodes and drop in hepatic MBL-C expression (at the mRNA level) were independent of LPS chemotype. Our data did not suggest no greater impact Y. enterocolitica O:3 on the development or severity of arthropathy related to anticollagen antibody-induced arthritis in mice, although its interaction with MBL-C and subsequent complement activation may contribute to some adverse effects.
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Rojas M, Restrepo-Jiménez P, Monsalve DM, Pacheco Y, Acosta-Ampudia Y, Ramírez-Santana C, Leung PS, Ansari AA, Gershwin ME, Anaya JM. Molecular mimicry and autoimmunity. J Autoimmun 2018; 95:100-123. [DOI: 10.1016/j.jaut.2018.10.012] [Citation(s) in RCA: 214] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 10/12/2018] [Accepted: 10/16/2018] [Indexed: 12/15/2022]
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Schwarz M, Spector L, Gortler M, Weisshaus O, Glass-Marmor L, Karni A, Dotan N, Miller A. Serum anti-Glc(α1,4)Glc(α) antibodies as a biomarker for relapsing–remitting multiple sclerosis. J Neurol Sci 2006; 244:59-68. [PMID: 16480743 DOI: 10.1016/j.jns.2005.12.006] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2005] [Revised: 12/16/2005] [Accepted: 12/18/2005] [Indexed: 11/17/2022]
Abstract
There is an unmet need to develop specific biomarkers for multiple sclerosis (MS) to aid in the diagnosis, improve the management of patients and the monitoring of the effectiveness of treatment. We have screened serum from patients with relapsing-remitting MS (RRMS, n = 107) against a library of glycans on a glycan chip, and have found significantly higher levels of IgM anti-Glc(alpha1,4)Glc(alpha) antibodies (anti-Galpha4Galpha antibodies) than in patients suffering from other neurological diseases (OND, n = 50, p < 0.0001), and other autoimmune diseases (OAD, n = 27, p = 0.02). No significant differences were found relative to patients having primary progressive MS (n = 16). No significant differences were detected between the levels of IgM anti-Galpha4Galpha antibodies in sera from patients with RRMS in relapsing versus remitting state, and in patients treated with immunotherapy versus untreated patients. To test whether the highly significant difference in the levels of IgM anti-Galpha4Galpha between RRMS and OND group is due to general increase in IgM levels, we have measured total serum IgM in a subgroup of 62 MS and 48 OND patients. Although the total IgM was significantly lower in the OND than the RRMS group (p = 0.0007), analysis of covariance (ANCOVA) reveled no statistically significant relationship to the covariate (total IgM). Furthermore, following normalizing the values to total IgM the difference in the levels of IgM anti-Galpha4Galpha between the MS and OND groups was found highly significant (p < < 0.0001). The present findings support further assessment of serum anti-Galpha4Galpha antibodies as a potential biomarker for MS, which may confirm disease diagnosis and aid in its management.
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Tada R, Nagi-Miura N, Adachi Y, Ohno N. Candida albicans derived fungal PAMPS, CAWS, water soluble mannoprotein-beta-glucan complex shows similar immunotoxicological activity with bacterial endotoxin from Escherichia coli O9. Biol Pharm Bull 2006; 29:240-6. [PMID: 16462025 DOI: 10.1248/bpb.29.240] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Candida albicans water soluble fraction (CAWS), water soluble fraction of Candida albicans mainly composed of mannoprotein-beta-glucan complex, has various biological effects, such as anaphylactoid shock and coronary arteritis. These toxicological effects fit CAWS as one of PAMPs, pathogen-associated molecular patterns. Acute anaphylactoid reaction is known to be induced by lipopolysaccharide from Escherichia coli O9 (O9 LPS), which possesses the mannose homopolysaccharide as the O-antigen region. In the present study, we compared immunotoxicological and immunochemical similarity between CAWS and O9 LPS. CAWS strongly reacted with Candida serum factors, and the reactivity was found to be partially competed with O9 LPS. CAWS induced lethal toxicity was inhibited by pretreatment of mice with i.v. injection of CAWS. The lethality was found to be inhibited by i.v. injection of O9 LPS. Vice versa, O9 LPS induced acute lethal toxicity was also inhibited by pretreatment of mice with CAWS. These results suggested that CAWS, fungal PAMPs, and O9 LPS from Gram-negative bacteria share, at least in part, immunochemical and immunotoxicological activities.
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Affiliation(s)
- Rui Tada
- Laboratory for Immunopharmacology of Microbial Products, School of Pharmacy, Tokyo University of Pharmacy and Life Science, 1432-1 Horonouchi, Hachioji, Tokyo 192-0392, Japan.
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Vinogradov E, Cedzynski M, Ziolkowski A, Swierzko A. The structure of the core region of the lipopolysaccharide from Klebsiella pneumoniae
O3. ACTA ACUST UNITED AC 2003. [DOI: 10.1046/j.1432-1327.2001.02047.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Yokoo T, Ohashi T, Utsunomiya Y, Okamoto A, Suzuki T, Shen JS, Tanaka T, Kawamura T, Hosoya T. Gene delivery using human cord blood-derived CD34+cells into inflamed glomeruli in NOD/SCID mice. Kidney Int 2003; 64:102-9. [PMID: 12787400 DOI: 10.1046/j.1523-1755.2003.00046.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND Bone marrow reconstitution using genetically-modified hematopoietic stem cells has been reported to confer resistance to inflammation and prevent renal injury in glomerulonephritis. Although this strategy has potentials for clinical use, taking hematopoietic stem cells from bone marrow is highly stressful for patients. In this regard, umbilical cord blood may be a useful alternative and, therefore, we focused on their suitability as a source of hematopoietic stem cells for transplantation-based therapy for glomerulonephritis. METHODS CD34+ cells were obtained from human umbilical cord blood, retrovirally transduced with human beta-glucuronidase (HBG) gene, and transplanted into nonobese diabetic/severe combined immunodeficiency (NOD/SCID) mice. After confirming the successful chimerism, these mice were treated with lipopolysaccharide (LPS), and local HBG expression in glomeruli was examined using immunohistochemical analysis, HBG bioassay, and Western blot analysis. RESULTS Clonogenic assay showed that 88.4 +/- 5.9% burst-forming unit-erythroid (BFU-E), 79.7 +/- 11.4% in colony-forming unit-macrophage (CFU-M), and 81.1 +/- 14.1% in colony-forming unit-granulocyte (CFU-G), respectively, possessed the transgene after transfection, suggesting that precommited cells were susceptible to retroviral infection. Flow cytometric analysis revealed that 24.1 +/- 14.5% of bone marrow cells in these chimera mice expressed human lymphocyte antigen (HLA) 8 weeks after transplantation. Also, clonogenic assay showed that a sustained engraftment of human hematopoietic cells expressed HBG. CD14-positive cells were recruited into the glomeruli upon LPS treatment and they secreted bioactive HBG, suggesting that cord blood-derived CD34+cells may differentiate into monocyte lineage while maintaining the expression of the transgene. CONCLUSION These data indicate that umbilical cord blood cells can be utilized as a source of hematopoietic stem cells for the transplantation-based therapy of glomerulonephritis.
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Affiliation(s)
- Takashi Yokoo
- Division of Nephrology and Hypertension, Department of Internal Medicine, Institute of DNA Medicine, Jikei University School of Medicine, Tokyo, Japan.
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Mu MM, Chakravortty D, Takahashi K, Kato Y, Sugiyama T, Koide N, Morikawa A, Yoshida T, Yokochi T. Production of experimental autoimmune sialadenitis in mice immunized with homologous salivary gland extract and Klebsiella O3 lipopolysaccharide. J Autoimmun 2001; 16:29-36. [PMID: 11221994 DOI: 10.1006/jaut.2000.0460] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
An experimental murine model for autoimmune sialadenitis was produced by repeated immunization of homologous salivary gland extract together with Klebsiella O3 lipopolysaccharides as an immunological adjuvant. The cell infiltration was observed in the salivary glands of mice immunized more than twice. Inflammatory cells consisting mainly of CD4+ T cells and CD8+ T cells accumulated at the perivascular regions. There was hyperplasia and enlargement of ductal epithelial cells in the secretory acinar units in salivary glands of repeatedly immunized mice. The repeated immunization developed delayed-type hypersensitivity and autoantibody production to the homologous salivary gland extract. The immunohistochemical analysis showed positive staining on the cuboidal cells in the intercalated ducts, and the columnar pseudostratified cells in the striated ducts. Organ-specific antigens with molecular weights ranging from 20 to 90 kDa were recognized by the sera from immunized mice. Therefore, it was suggested that the sialadenitis was produced by the autoimmune mechanism and might be a new experimental model for characterization of the pathogenesis of autoimmune sialadenitis.
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Affiliation(s)
- M M Mu
- Department of Microbiology and Immunology and Division of Bacterial Toxin, Research Center for Infectious Disease, Aichi Medical University School of Medicine, Nagakute, Aichi, 480-1195, Japan
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Takahashi K, Kato Y, Sugiyama T, Koide N, Kawai M, Fukada M, Yoshida T, Yokochi T. Production of murine collagen-induced arthritis using Klebsiella pneumoniae O3 lipopolysaccharide as a potent immunological adjuvant. Microbiol Immunol 1999; 43:795-801. [PMID: 10524798 DOI: 10.1111/j.1348-0421.1999.tb02472.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Collagen-induced arthritis (CIA) was produced in mice with non H-2q and H-2r haplotypes by repeated immunization of porcine type-II collagen (CII) together with Klebsiella O3 lipopolysaccharide (KO3 LPS) as an immunological adjuvant. Histological changes that appeared in joints of repeatedly immunized mice were characterized by destruction of normal joint structure, synovial hyperplasia with proliferation of synovial cells, and infiltration of inflammatory cells. No such lesions were produced in mice receiving repeated injections of CII alone or KO3 LPS alone. Development of the humoral antibody and the delayed-type hypersensitivity to CII was exclusively found in mice immunized with the mixture of CII and KO3 LPS. It was therefore suggested that arthritis lesions induced by repeated immunization with the mixture of CII and KO3 LPS might be caused by an autoimmune mechanism, and that the experimental model might be useful for characterization of human rheumatoid arthritis (RA).
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MESH Headings
- Adjuvants, Immunologic
- Animals
- Arthritis, Experimental/chemically induced
- Arthritis, Experimental/immunology
- Arthritis, Experimental/pathology
- Arthritis, Rheumatoid/chemically induced
- Arthritis, Rheumatoid/immunology
- Arthritis, Rheumatoid/pathology
- Collagen
- Humans
- Hypersensitivity, Delayed
- Joints/pathology
- Klebsiella pneumoniae/immunology
- Lipopolysaccharides/immunology
- Mice
- Mice, Inbred BALB C
- Mice, Inbred C3H
- Mice, Inbred C57BL
- Swine
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Affiliation(s)
- K Takahashi
- Department of Microbiology and Immunology, Research Center for Infectious Disease, Aichi Medical University, Nagakute, Japan
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Paeng N, Morikawa A, Kato Y, Sugiyama T, Koide N, Yoshida T, Yokochi T. Experimental murine model for autoimmune enterocolitis using Klebsiella pneumoniae O3 lipopolysaccharide as a potent immunological adjuvant. Microbiol Immunol 1999; 43:45-52. [PMID: 10100746 DOI: 10.1111/j.1348-0421.1999.tb02371.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An experimental model for autoimmune enterocolitis was produced in mice by repeated immunization of homologous colon extract together with Klebsiella 03 lipopolysaccharide (KO3 LPS) as an immunological adjuvant. Histological changes in the intestinal lesions were characterized by infiltration with polymorphonuclear leukocytes in the lamina propria, muscularis mucosae and submucosa of repeatedly immunized mice. No such intestinal lesions were produced in mice receiving injections of colon extract alone or KO3 LPS alone. Development of the autoantibody and delayed-type hypersensitivity against colon extract were found in mice immunized with the mixture of colon extract and KO3 LPS. Distinct positive staining was detected specifically on the columnar epithelium of villi. Sera from hyperimmunized mice defined organ-specific antigens present in the intestine. Therefore, it was suggested that the intestinal lesions might be caused by an autoimmune mechanism.
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Affiliation(s)
- N Paeng
- Department of Microbiology and Immunology, and Research Center for Infectious Disease, Aichi Medical University, Japan
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Yokoo T, Utsunomiya Y, Ohashi T, Imasawa T, Kogure T, Futagawa Y, Kawamura T, Eto Y, Hosoya T. Inflamed site-specific gene delivery using bone marrow-derived CD11b+CD18+ vehicle cells in mice. Hum Gene Ther 1998; 9:1731-8. [PMID: 9721083 DOI: 10.1089/hum.1998.9.12-1731] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
We report a novel technique that may allow site-specific gene delivery into inflamed tissues. Bone marrow cells from DBA/2 mice were incubated for 7 days in L-929 cell-conditioned medium containing elements that favor the development of mononuclear cells, such as colony-stimulating factors. Flow cytometric analysis revealed that 99.1 +/- 0.9% of the subcloned cells were positive for CD11b and CD18, both of which are ligands of the intercellular adhesion molecule 1 (ICAM-1). These vehicle cells were labeled with a fluorescent lipophilic probe and returned intravenously to the DBA/2 mice. The mice then received, for 1 week, intraperitoneal injections of either lipopolysaccharide (LPS) to enhance ICAM-1 expression in the glomerulus, or saline as a control. In the LPS-treated mice, labeled vehicle cells were detected within the glomerulus cross-section (gcs) 24 hr after the first injection (0.73 +/- 0.10/gcs). The number of labeled vehicle cells within the glomerulus gradually increased for 1 week (1.47 +/- 0.19/gcs) and decreased after discontinuation of the LPS injections. However, in the saline-treated control group, only a negligible number of vehicle cells could be detected in the glomerulus (0.05 +/- 0.03/gcs). A second administration of LPS 4 weeks after injection of the vehicle cells was also able to promote accumulation in the glomerulus. Furthermore, immunohistochemical analysis revealed that the kinetics of the vehicle cell recruitment into the glomerulus corresponded to the level of ICAM-1 expression. On the assumption that the LPS-induced ICAM-1 expression may regulate the site and timing of the delivery of vehicle cells into the glomerulus, vehicle cells were transduced with human glucocerebrosidase (GC) gene, using an adenovirus vector, and reintroduced into the mice. The basal expression of GC gene in the isolated glomeruli of vehicle cell-treated mice rose by 1.7-fold compared with endogenous activity, whereas the GC activity was enhanced 3.2-fold by LPS treatment. Polymerase chain reaction designed to detect human GC-specific sequence revealed that isolated glomeruli of vehicle cell-treated mice contained exclusively the vehicle cell-oriented GC. This indicates that vehicle cells can be used to carry a certain gene to a specific inflamed site. Injection of vehicle cells, with or without LPS, had small effect on urinary protein excretion or serum creatinine levels. These findings suggest that our novel method allows site-specific gene delivery into inflamed glomeruli through interaction of adhesion molecules.
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Affiliation(s)
- T Yokoo
- Department of Internal Medicine (II), Jikei University School of Medicine, Tokyo, Japan
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Jiang GZ, Kato Y, Sugiyama T, Koide N, Chakravortty D, Kawai M, Fukada M, Yoshida T, Yokochi T. Role of CD86 (B7-2) in triggering of antigen-specific IgE antibody response by lipopolysaccharide. FEMS IMMUNOLOGY AND MEDICAL MICROBIOLOGY 1998; 21:303-11. [PMID: 9753003 DOI: 10.1111/j.1574-695x.1998.tb01178.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The role of CD86 in triggering of ascaris extract-specific IgE antibody response by lipopolysaccharide was studied. The simultaneous administration of anti-CD86 antibody with ascaris extract and lipopolysaccharide prevented the production of IgE antibody response to ascaris extract. CD86+ cells were detected in peritoneal cavities and spleens of mice injected intraperitoneally with lipopolysaccharide. CD86+ cells appeared in peritoneal cavities and spleens eight hours after lipopolysaccharide injection, and they were detectable for a week. CD86+ cells in peritoneal cavities and spleens were mainly surface Ig-positive B-cells and some Ig-negative cells. It was suggested that lipopolysaccharide induced the expression of CD86 mainly on B-cells, and that CD86+ cells induced by lipopolysaccharide injection might play an important role as antigen-presenting cells on triggering of ascaris extract-specific IgE antibody response by lipopolysaccharide.
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Affiliation(s)
- G Z Jiang
- Department of Microbiology and Immunology, Research Center for Infectious Disease, Aichi Medical University, Nagakute, Japan
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Kido N, Morooka N, Paeng N, Ohtani T, Kobayashi H, Shibata N, Okawa Y, Suzuki S, Sugiyama T, Yokochi T. Production of monoclonal antibody discriminating serological difference in Escherichia coli O9 and O9a polysaccharides. Microbiol Immunol 1997; 41:519-25. [PMID: 9272697 DOI: 10.1111/j.1348-0421.1997.tb01887.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A monoclonal antibody (mAb) with a unique antigenic specificity against Escherichia coli O9 was produced. The O9a mAb was reactive with a part of the strains in E. coli O9. The O9a mAb did not react with LPS from the E. coli O9 test strain Bi316-42. The distribution of the antigen defined by the O9a mAb in E. coli O9 was consistent with that of E. coli O9a present in E. coli O9 strains. The chemical structure of the repeating unit of the O-specific polysaccharide detected by the mAb was demonstrated to be a mannotetraose by two-dimensional nuclear magnetic resonance spectroscopy. It was confirmed that the mAb recognized E. coli O9a serotype in E. coli O9 serotype strains, suggesting that E. coli O9a serotype might be a dominant strain in E. coli O9.
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Affiliation(s)
- N Kido
- Biosystems, School of Informatics and Sciences, Nagoya University, Aichi, Japan.
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Paeng N, Kido N, Schmidt G, Sugiyama T, Kato Y, Koide N, Yokochi T. Augmented immunological activities of recombinant lipopolysaccharide possessing the mannose homopolymer as the O-specific polysaccharide. Infect Immun 1996; 64:305-9. [PMID: 8557356 PMCID: PMC173760 DOI: 10.1128/iai.64.1.305-309.1996] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Recombinant lipopolysaccharide possessing the mannose homopolymer as the O-specific polysaccharide was manufactured genetically by transforming Escherichia coli K-12 with various rfb genes capable of synthesizing the mannose homopolymer. Recombinant lipopolysaccharide exhibited levels of anticomplement activity, adjuvant activity, and regional lymph node-enlarging activity much higher than those exhibited by the original rough-type lipopolysaccharide from E. coli K-12 or lipopolysaccharide possessing the heteropolysaccharide from E. coli O111. Immunological activities of recombinant lipopolysaccharide were as strong as those of wild-type lipopolysaccharide possessing the mannose homopolymer. Characteristic activities of wild-type lipolysaccharide possessing the mannose homopolymer were exhibited by recombinant lipopolysaccharide. The abilities of lipopolysaccharide to activate B cells polyclonally and to produce cytokines did not seem to be related to the presence of the mannose homopolymer. Therefore, it was suggested that the mannose homopolymer in the O-specific polysaccharide might exclusively enhance anticomplement activity, adjuvant activity, and regional lymph node-enlarging activity among various lipid A activities.
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Affiliation(s)
- N Paeng
- Department of Natural Science Informatics, School of Informatics and Sciences, Nagoya University, Aichi, Japan
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Jiang GZ, Sugiyama T, Kato Y, Koide N, Yokochi T. Binding of mannose-binding protein to Klebsiella O3 lipopolysaccharide possessing the mannose homopolysaccharide as the O-specific polysaccharide and its relation to complement activation. Infect Immun 1995; 63:2537-40. [PMID: 7540596 PMCID: PMC173339 DOI: 10.1128/iai.63.7.2537-2540.1995] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Lipopolysaccharide from Klebsiella pneumoniae O3, which possesses the mannose homopolysaccharide as the O-specific polysaccharide, exhibits an extraordinarily high ability to activate the human complement system. We isolated the mannose-binding protein with a Klebsiella O3 lipopolysaccharide affinity column. The protein isolated had a molecular mass of much higher than 200 kDa, and it consisted of subunits with an apparent molecular mass of 32 kDa. The NH2-terminal sequence of the 32-kDa subunits was completely consistent with a part of the amino acid sequence of human serum mannose-binding protein. In immunoblotting, an anti-mannose-binding protein monoclonal antibody was definitely reactive with the isolated protein with the higher molecular mass. The protein isolated was bound exclusively to lipopolysaccharides possessing the mannose homopolysaccharide, not to lipopolysaccharide possessing the heteropolysaccharides. Klebsiella O3 lipopolysaccharide did not exhibit a high anticomplement activity in the serum from which the mannose-binding protein was depleted. It was concluded that the serum factor that bound to Klebsiella O3 lipopolysaccharide may be mannose-binding protein and that it may play a crucial role in the strong complement activation by Klebsiella O3 lipopolysaccharide.
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Affiliation(s)
- G Z Jiang
- Department of Microbiology and Immunology, Aichi Medical University, Japan
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Yokochi T, Inoue Y, Kato Y, Sugiyama T, Jiang GZ, Kawai M, Fukada M, Takahashi K. Strong adjuvant action of Klebsiella O3 lipopolysaccharide and its inhibition of systemic anaphylaxis. FEMS IMMUNOLOGY AND MEDICAL MICROBIOLOGY 1995; 10:181-4. [PMID: 7773234 DOI: 10.1111/j.1574-695x.1995.tb00031.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Immunization with lipopolysaccharide from Klebsiella O3 as an immunological adjuvant did not cause the death of mice in systemic anaphylaxis to bovine serum albumin. On the other hand, most mice immunized with lipopolysaccharide from Escherichia coli O111, Klebsiella O4 and Salmonella minnesota did die. Klebsiella O3 lipopolysaccharide enhanced IgM and IgG antibody response to BSA more markedly than Escherichia coli O111 lipopolysaccharide, while it affected the production of IgE antibody only slightly. therefore, it is suggested that the inhibition of systemic anaphylaxis by Klebsiella O3 lipopolysaccharide adjuvant might be related to its strong adjuvant action on IgM and IgG class antibody production, and that high levels of circulating IgM and IgG antibodies might act as blocking antibodies in the development of IgE-mediated systemic anaphylaxis.
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Affiliation(s)
- T Yokochi
- Department of Microbiology, Aichi Medical University, Japan
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Yokochi T, Fujii Y, Nakashima I, Asai J, Kiuchi M, Kojima K, Kato N. A murine model of experimental autoimmune lens-induced uveitis using Klebsiella O3 lipopolysaccharide as a potent immunological adjuvant. Int J Exp Pathol 1993; 74:573-82. [PMID: 8292555 PMCID: PMC2002260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Experimental autoimmune uveitis and finally panophthalmitis could be produced in mice by repeated immunization of syngeneic eyeball extract mixed with Klebsiella O3 lipopolysaccharide (KO3 LPS) as a powerful immunological adjuvant. No ocular lesions were produced in mice given eyeball extract emulsified in complete Freund's adjuvant (CFA), KO3 LPS alone or eyeball extract alone. Histopathological changes in the ocular lesions at the early stage after the second or tertiary immunization were characterized by infiltration with inflammatory cells in the ciliary body and iris. The iridocyclitis was followed by extensive infiltration of polymorphonuclear leucocytes (PMN) into the cornea, lens and the surrounding tissues after repeated immunization. Finally, these areas were replaced by granulomatous tissues infiltrated with mononuclear cells. On the other hand, the structure of the retina and sclera was partially preserved. Those mice exhibited production of autoantibodies and development of the delayed-type hypersensitivity (DTH) to syngeneic eyeball extract. Moreover, ocular lesions could be produced in normal recipient mice by transfer of sensitized lymphocytes from hyperimmunized mice. Therefore, it was suggested that the ocular lesions produced by repeated immunization with the mixture of eyeball extract and KO3 LPS were due to the autoimmune mechanism. This might be useful to model immunological phenomena in the pathogenesis of human phacoantigenic uveitis.
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Affiliation(s)
- T Yokochi
- Department of Bacteriology, Nagoya University School of Medicine, Aichi, Japan
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