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Wojciechowska-Koszko I, Kwiatkowski P, Sienkiewicz M, Kowalczyk M, Kowalczyk E, Dołęgowska B. Cross-Reactive Results in Serological Tests for Borreliosis in Patients with Active Viral Infections. Pathogens 2022; 11:pathogens11020203. [PMID: 35215146 PMCID: PMC8879713 DOI: 10.3390/pathogens11020203] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/31/2022] [Accepted: 02/02/2022] [Indexed: 11/29/2022] Open
Abstract
Currently, serological tests for Lyme disease (LD), routinely performed in laboratories following the European Concerted Action on Lyme Borreliosis recommendations as part of two-stage diagnostics, are often difficult to interpret. This concerns both the generation of false positive and negative results, which frequently delay the correct diagnosis and implementation of appropriate treatment. The above problems result from both morphological and antigenic variability characteristics for the life strategy of the spirochete Borrelia burgdorferi sensu lato, a complicated immune response, and imperfections in diagnostic methods. The study aimed to check the reactivity of sera from 69 patients with confirmed infection with Epstein–Barr virus (EBV), cytomegalovirus (CMV) and BK virus (BKV) with Borrelia antigens used in serological tests: indirect immunofluorescence (IIFT), enzyme-linked immunosorbent (ELISA) and immunoblot (IB). In the group of patients infected with EBV, the highest percentage of positive/borderline anti-Borrelia IgM and IgG results was obtained in the following tests: IIFT (51.9% for IgM, 63.0% for IgG), ELISA (22.2% for IgM, 29.6% for IgG) and IB (11.1% for IgM, 7.4% for IgG). In the group of CMV-infected patients, the highest percentage of positive/borderline anti-Borrelia IgM results were obtained in the following tests: IB (23.1%), IIFT (15.4%) and ELISA (7.7%), while in the IgG class in the IIFT (15.4%), IB (11.5%) and ELISA (3.9%) tests. In the group of patients infected with BKV, the highest percentage of positive/borderline anti-Borrelia IgM results was obtained in the following tests: IIFT (25.0%), IB (25.0%) and ELISA (3.9%), and in the IgG class in the tests: IB (50.0%), IIFT (6.2%) and ELISA (6.2%). The native flagellin (p41) and OspC proteins were the most frequently detected Borrelia antigens in all studied groups of patients in both classes of antibodies. Similar to other authors, the study confirmed the fact that serological tests used in the diagnosis of LD have a high potential to generate false positive results in patients with active viral infections, which may be related to cross-reacting antibodies appearing during the most common polyclonal activation of T/B lymphocytes, activated by viral superantigens.
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Affiliation(s)
- Iwona Wojciechowska-Koszko
- Department of Diagnostic Immunology, Pomeranian Medical University in Szczecin, Powstancow Wielkopolskich Av. 72, 70-111 Szczecin, Poland;
- Correspondence: ; Tel.: +48-91-466-12-59
| | - Paweł Kwiatkowski
- Department of Diagnostic Immunology, Pomeranian Medical University in Szczecin, Powstancow Wielkopolskich Av. 72, 70-111 Szczecin, Poland;
| | - Monika Sienkiewicz
- Department of Pharmaceutical Microbiology and Microbiological Diagnostic, Medical University of Lodz, Muszynskiego St. 1, 90-151 Lodz, Poland;
| | - Mateusz Kowalczyk
- Babinski Memorial Hospital, Aleksandrowska St. 159, 91-229 Lodz, Poland;
| | - Edward Kowalczyk
- Department of Pharmacology and Toxicology, Medical University of Lodz, Zeligowskiego St. 7/9, 90-752 Lodz, Poland;
| | - Barbara Dołęgowska
- Department of Laboratory Medicine, Pomeranian Medical University in Szczecin, Powstancow Wielkopolskich Av. 72, 70-111 Szczecin, Poland;
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Liegner KB. Disulfiram (Tetraethylthiuram Disulfide) in the Treatment of Lyme Disease and Babesiosis: Report of Experience in Three Cases. Antibiotics (Basel) 2019; 8:antibiotics8020072. [PMID: 31151194 PMCID: PMC6627205 DOI: 10.3390/antibiotics8020072] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 04/20/2019] [Accepted: 05/25/2019] [Indexed: 12/16/2022] Open
Abstract
Three patients, each of whom had required intensive open-ended antimicrobial therapy for control of the symptoms of chronic relapsing neurological Lyme disease and relapsing babesiosis, were able to discontinue treatment and remain clinically well for periods of observation of 6–23 months following the completion of a finite course of treatment solely with disulfiram. One patient relapsed at six months and is being re-treated with disulfiram.
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Affiliation(s)
- Kenneth B Liegner
- 592 Route 22-Suite 1B, Pawling, NY 12564, USA.
- Northwell System, Northern Westchester Hospital, Mount Kisco, NY 10549, USA.
- Health Quest System, Sharon Hospital, Sharon, CT 06069, USA.
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3
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ELISA-based measurement of antibody responses and PCR-based detection profiles can distinguish between active infection and early clearance of Borrelia burgdorferi. Clin Dev Immunol 2011; 2012:138069. [PMID: 22110528 PMCID: PMC3205739 DOI: 10.1155/2012/138069] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2011] [Accepted: 08/19/2011] [Indexed: 12/15/2022]
Abstract
Borrelia burgdorferi is a spirochetal bacterium that causes Lyme disease. These studies address whether current research methods using either ELISA to detect seroconversion to B. burgdorferi antigens or PCR quantification of bacterial DNA within tissues can accurately distinguish between a productive infection versus a B. burgdorferi exposure that is rapidly cleared by the innate responses. Mice receiving even minimal doses of live B. burgdorferi produced significantly more B. burgdorferi-specific IgM and IgG than groups receiving large inocula of heat-killed bacteria. Additionally, sera from mice injected with varied doses of killed B. burgdorferi recognized unique borrelial antigens compared to mice infected with live B. burgdorferi. Intradermal injection of killed B. burgdorferi resulted in rapid DNA clearance from skin, whereas DNA was consistently detected in skin inoculated with viable B. burgdorferi. These data indicate that both ELISA-based serological analyses and PCR-based methods of assessing B. burgdorferi infection clearly distinguish between an established infection with live bacteria and exposure to large numbers of bacteria that are promptly cleared by the innate responses.
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Fomenko NV, Sabitova YV, Khasnatinov MA, Goltsova NA, Danchinova GA, Bataa J, Ambed D, Stronin OV. Heterogeneity of the p83/100 gene of Borrelia from the Borrelia burgdorferi sensu lato complex. MOLECULAR GENETICS MICROBIOLOGY AND VIROLOGY 2007. [DOI: 10.3103/s0891416807040064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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5
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Xu Y, Bruno JF, Luft BJ. Detection of genetic diversity in linear plasmids 28-3 and 36 in Borrelia burgdorferi sensu stricto isolates by subtractive hybridization. Microb Pathog 2004; 35:269-78. [PMID: 14580390 DOI: 10.1016/s0882-4010(03)00152-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Recent studies based on sequence divergence in the ospC gene have identified limited subpopulations of B. burgdorferi associated with invasive human disease. Spirochetes with certain OspC types never cause human disease, while some others cause local infection at the primary skin site but do not hematogenously disseminate. Only four OspC genotypes (A, B, I and K) are responsible for disseminated disease and are found in the blood and cerebrospinal fluid, and hence are termed invasive strains. Subtractive hybridization was carried out between a prototype of a low passage invasive type, strain B31, and a strain associated only with local infection, group E, to identify genes associated with hematogenous dissemination. Two clones isolated from the subtraction library were unique to the B31 genome and mapped to locus BBH26 located on linear plasmid 28-3 (lp28-3) and to locus BBK48 located on linear plasmid 36 (lp36). Sequence analysis of the BBH26 locus revealed an amino acid repeat motif in the group E DNA that was absent in the B31 genome. This in-frame repeat motif was present yet variable in DNA isolated from several major OspC groups. However, no consistent sequence diversity was noted when other invasive and non-invasive strains were compared. In contrast, analysis of the BBK48 locus revealed a striking distinction between invasive and non-invasive spirochetes. PCR and Southern blot analysis indicated this locus was only present in invasive groups A, B, I, and K. BBK48 is a member of a gene family clustered on lp36. Therefore, these findings indicate that this genetic loci may participate in differentiating pathogens from non-pathogens and that its presence, which is correlated with ospC type, may play a role determining infectivity in humans.
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Affiliation(s)
- Yun Xu
- SUNY at Stony Brook, Department of Medicine, State University of New York at Stony Brook, T-15 Room 060, Stony Brook, NY 11794-8154, USA
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6
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Gomes-Solecki MJ, Dunn JJ, Luft BJ, Castillo J, Dykhuizen DE, Yang X, Glass JD, Dattwyler RJ. Recombinant chimeric Borrelia proteins for diagnosis of Lyme disease. J Clin Microbiol 2000; 38:2530-5. [PMID: 10878038 PMCID: PMC86960 DOI: 10.1128/jcm.38.7.2530-2535.2000] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Current serologic Lyme disease tests use whole borrelia cells as the source of antigen. These assays are difficult to standardize and to optimize for sensitivity and specificity. To help solve these problems, we constructed a library of recombinant chimeric proteins composed of portions of key antigens of Borrelia burgdorferi. These proteins were then used to develop an enzyme-linked immunosorbent assay. We compared our assay with the most sensitive of three whole-cell borrelia assays. We found that the recombinant assay could detect antibodies significantly better from early Lyme disease sera (P<0.05), and had the same sensitivity for late Lyme disease sera, as the most sensitive whole-cell borrelia assay. On potentially cross-reactive sera, the recombinant assay was more specific, but not significantly so, than the best whole-cell borrelia assay. Optimization of the recombinant assay offers the potential for a significant improvement in both sensitivity and specificity.
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Affiliation(s)
- M J Gomes-Solecki
- Brook Biotechnologies, Inc., Long Island High Technology Incubator, Stony Brook, New York 11790, USA
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Magnarelli LA, Ijdo JW, Padula SJ, Flavell RA, Fikrig E. Serologic diagnosis of Lyme borreliosis by using enzyme-linked immunosorbent assays with recombinant antigens. J Clin Microbiol 2000; 38:1735-9. [PMID: 10790090 PMCID: PMC86574 DOI: 10.1128/jcm.38.5.1735-1739.2000] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Class-specific enzyme-linked immunosorbent assays (ELISAs) with purified recombinant antigens of Borrelia burgdorferi sensu stricto and Western blot analyses with whole cells of this spirochete were used to test human sera to determine which antigens were diagnostically important. In analyses for immunoglobulin M (IgM) antibodies, 14 (82%) of 17 serum samples from persons who had erythema migrans reacted positively by an ELISA with one or more recombinant antigens. There was frequent antibody reactivity to protein 41-G (p41-G), outer surface protein C (OspC), and OspF antigens. In an ELISA for IgG antibodies, 13 (87%) of 15 serum samples had antibodies to recombinant antigens; reactivity to p22, p39, p41-G, OspC, and OspF antigens was frequent. By both ELISAs, serum specimens positive for OspB, OspE, and p37 were uncommon. Analyses of sera obtained from persons who were suspected of having human granulocytic ehrlichiosis (HGE) but who lacked antibodies to ehrlichiae revealed IgM antibodies to all recombinant antigens of B. burgdorferi except OspB and IgG antibodies to all antigens except OspE. Immunoblotting of sera from the study group of individuals suspected of having HGE reaffirmed antibody reactivity to multiple antigens of B. burgdorferi. There was minor cross-reactivity when sera from healthy subjects or persons who had syphilis, oral infections, or rheumatoid arthritis were tested by ELISAs with p37, p41-G, OspB, OspC, OspE, and OspF antigens. Although the results of class-specific ELISAs with recombinant antigens were comparable to those recorded for assays with whole-cell antigen and for individuals with confirmed clinical diagnoses of Lyme borreliosis, immunoblotting is still advised as an adjunct procedure, particularly when there are low antibody titers by an ELISA.
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Affiliation(s)
- L A Magnarelli
- Department of Entomology, The Connecticut Agricultural Experiment Station, New Haven, Connecticut 06504, USA.
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Coburn J, Chege W, Magoun L, Bodary SC, Leong JM. Characterization of a candidate Borrelia burgdorferi beta3-chain integrin ligand identified using a phage display library. Mol Microbiol 1999; 34:926-40. [PMID: 10594819 DOI: 10.1046/j.1365-2958.1999.01654.x] [Citation(s) in RCA: 105] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The spirochaetal agents of Lyme disease, Borrelia burgdorferi (sensu lato) bind to integrins alphaIIbbeta3, alphavbeta3 and alpha5beta1 in purified form and on the surfaces of human cells. Using a phage display library of B. burgdorferi (sensu stricto) DNA, a candidate ligand for beta3-chain integrins was identified. The native B. burgdorferi protein, termed p66, is known to be recognized by human Lyme disease patient sera and to be expressed on the surface of the spirochaete. We show here that recombinant p66 binds specifically to beta3-chain integrins and inhibits attachment of intact B. burgdorferi to the same integrins. When expressed on the surface of Escherichia coli, this protein increases the attachment of E. coli to a transfected cell line that expresses alphavbeta3, but not to the parental cell line, which expresses no beta3-chain integrins. Localization of p66 on the surface of B. burgdorferi, the ability of recombinant forms of the protein to bind to beta3-chain integrins and the fact that p66 and B. burgdorferi bind to beta3-chain integrins in a mutually exclusive manner make p66 an attractive candidate bacterial ligand for integrins alphaIIbbeta3 and alphavbeta3.
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Affiliation(s)
- J Coburn
- Division of Rheumatology and Immunology, Tufts-New England Medical Center, Box 406, 750 Washington St., Boston, MA 02111, USA.
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9
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Wang IN, Dykhuizen DE, Qiu W, Dunn JJ, Bosler EM, Luft BJ. Genetic diversity of ospC in a local population of Borrelia burgdorferi sensu stricto. Genetics 1999; 151:15-30. [PMID: 9872945 PMCID: PMC1460459 DOI: 10.1093/genetics/151.1.15] [Citation(s) in RCA: 219] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The outer surface protein, OspC, is highly variable in Borrelia burgdorferi sensu stricto, the agent of Lyme disease. We have shown that even within a single population OspC is highly variable. The variation of ospA and ospC in the 40 infected deer ticks collected from a single site on Shelter Island, New York, was determined using PCR-SSCP. There is very strong apparent linkage disequilibrium between ospA and ospC alleles, even though they are located on separate plasmids. Thirteen discernible SSCP mobility classes for ospC were identified and the DNA sequence for each was determined. These sequences, combined with 40 GenBank sequences, allow us to define 19 major ospC groups. Sequences within a major ospC group are, on average, <1% different from each other, while sequences between major ospC groups are, on average, approximately 20% different. The tick sample contains 11 major ospC groups, GenBank contains 16 groups, with 8 groups found in both samples. Thus, the ospC variation within a local population is almost as great as the variation of a similar-sized sample of the entire species. The Ewens-Watterson-Slatkin test of allele frequency showed significant deviation from the neutral expectation, indicating balancing selection for these major ospC groups. The variation represented by major ospC groups needs to be considered if the OspC protein is to be used as a serodiagnostic antigen or a vaccine.
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Affiliation(s)
- I N Wang
- Department of Ecology and Evolution, State University of New York, Stony Brook, New York 11794-5245, USA
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10
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Akin E, McHugh GL, Flavell RA, Fikrig E, Steere AC. The immunoglobulin (IgG) antibody response to OspA and OspB correlates with severe and prolonged Lyme arthritis and the IgG response to P35 correlates with mild and brief arthritis. Infect Immun 1999; 67:173-81. [PMID: 9864212 PMCID: PMC96293 DOI: 10.1128/iai.67.1.173-181.1999] [Citation(s) in RCA: 107] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/1998] [Accepted: 09/23/1998] [Indexed: 11/20/2022] Open
Abstract
In an effort to implicate immune responses to specific Borrelia burgdorferi proteins that may have a role in chronic Lyme arthritis, we studied the natural history of the antibody response to B. burgdorferi in serial serum samples from 25 patients monitored throughout the course of Lyme disease. In these patients, the immunoglobulin G (IgM) and IgG antibody responses to 10 recombinant B. burgdorferi proteins, determined during early infection, early arthritis, and maximal arthritis, were correlated with the severity and duration of maximal arthritis. The earliest responses were usually to outer surface protein C (OspC), P35, P37, and P41; reactivity with OspE, OspF, P39, and P93 often developed weeks later; and months to years later, 64% of patients had responses to OspA and OspB. During early infection and early arthritis, the levels of IgG antibody to P35 correlated inversely with the subsequent severity or duration of maximal arthritis. In contrast, during periods of maximal arthritis, the levels of IgG antibody to OspA and OspB, especially to a C-terminal epitope of OspA, correlated directly with the severity and duration of arthritis. Thus, the higher the IgG antibody response to P35 earlier in the infection, the milder and briefer the subsequent arthritis, whereas during maximal arthritis, the higher the IgG response to OspA and OspB, the more severe and prolonged the arthritis.
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Affiliation(s)
- E Akin
- Division of Rheumatology/Immunology, Tufts University School of Medicine, New England Medical Center, Tupper Research Institute, Boston, Massachusetts 02111, USA
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Kornacki JA, Oliver DB. Lyme disease-causing Borrelia species encode multiple lipoproteins homologous to peptide-binding proteins of ABC-type transporters. Infect Immun 1998; 66:4115-22. [PMID: 9712756 PMCID: PMC108494 DOI: 10.1128/iai.66.9.4115-4122.1998] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
To identify cell envelope proteins of Borrelia burgdorferi, the causative agent of Lyme disease, we constructed a library of B. burgdorferi genes fused to the Escherichia coli phoA gene, which expresses enzymatically active alkaline phosphatase. One such gene, oppA-1, encodes a predicted polypeptide with significant similarities to various peptide-binding proteins of ABC-type transporters. Immediately downstream of oppA-1 are two genes, oppA-2 and oppA-3, whose predicted polypeptide products show strong similarities in their amino acid sequences to OppA-1, including a sequence that resembles the most highly conserved region in peptide-binding proteins. By labeling with [3H]palmitate, OppA-1, OppA-2, and OppA-3 were shown to be lipoproteins. DNA hybridization analysis showed that the oppA-1 oppA-2 oppA-3 region is located on the linear chromosome of B. burgdorferi, and the genes are conserved among different Borrelia species that cause Lyme disease (B. burgdorferi, B. garinii, and B. afzelli), suggesting that all three homologous genes are important to the maintenance of Lyme disease spirochetes in one or more of their hosts.
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Affiliation(s)
- J A Kornacki
- Department of Molecular Biology and Biochemistry, Wesleyan University, Middletown, Connecticut 06459, USA
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Abstract
Lyme disease is a treatable and curable infectious disease that can be diagnosed with relative confidence with attention to the details of the syndrome and proper use of serologic testing to confirm the clinical diagnosis. Lyme disease should not be a "diagnosis of exclusion," made on the basis of isolated serologic reactivity or because of the presence of symptoms compatible with Lyme disease. The pathogenesis of chronic complaints following infection with B. burgdorferi is often unclear, but such persistent complaints should not automatically be ascribed to ongoing infection. There is no proven role for long-term antibiotics or combination regimens.
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Affiliation(s)
- L H Sigal
- Department of Medicine, University of Medicine and Dentistry of New Jersey, Robert Wood Johnson Medical School, New Brunswick, USA
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13
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Kaiser R, Rauer S. Analysis of the intrathecal immune response in neuroborreliosis to a sonicate antigen and three recombinant antigens of Borrelia burgdorferi sensu stricto. Eur J Clin Microbiol Infect Dis 1998; 17:159-66. [PMID: 9665296 DOI: 10.1007/bf01691111] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The intrathecal synthesis of borrelial-specific IgM- and IgG-antibodies was studied in 67 patients with neuroborreliosis and in 14 patients with neurosyphilis (controls). Antibody concentrations in serum and in the cerebrospinal fluid were determined by an enzyme immunoassay (EIA) using, as antigens, a sonicate of Borrelia burgdorferi, the recombinant 14 kDa flagellin fragment, the outer surface protein C (22 kDa), and the high molecular mass protein p83 (83 kDa). In the sonicate EIA, IgG- and/or IgM-antibodies to Borrelia burgdorferi in serum were detected in all patients with neuroborreliosis and in 71% of patients with neurosyphilis. Intrathecal synthesis of borrelial-specific IgG- and/or IgM-antibodies was demonstrated in 82% of patients with neuroborreliosis and in 71% of patients with neurosyphilis. Immunoglobulin G- and/or IgM-antibodies in serum against any of the recombinant antigens were detected in 92% of patients with neuroborreliosis and in none of those with neurosyphilis. Intrathecal synthesis of IgG- and/or IgM-antibodies to individual recombinant antigens was demonstrated in 67% of patients with neuroborreliosis and in none of those with neurosyphilis. The sensitivity of the recombinant antigens in serum was almost equal to that of the sonicate EIA, whereas the recombinant antigens were clearly less sensitive in the estimation of the intrathecal specific immune response. It was concluded that in suspected cases of neuroborreliosis, the estimation of high specific antibodies in the recombinant EIA will be helpful in confirming the diagnosis.
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Affiliation(s)
- R Kaiser
- Neurologische Klinik und Poliklinik der Albert-Ludwigs-Universität Freiburg, Germany
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Abstract
Lyme disease, caused by Borrelia burgdorferi, causes a multisystem inflammatory ailment, although the precise means of tissue damage are not well understood. It is clear that the organism is present at the site of inflammation in many organs and that many of the features of the illness are relieved by antibiotic therapy. A complex interaction between spirochete and immune systems of a number of mammalian hosts, in human disease and animal models, has been described. It is clear that T cells and macrophages are intimately associated with the pathogenesis of arthritis and that immune mechanisms are involved in other aspects of disease. Inflammation directed at persistence of Borrelial antigens is a plausible explanation for persisting arthritis. Autoimmunity based on molecular mimicry may play a role in the pathogenesis of Lyme disease. Humoral immunity plays a protective role, prompting interest in vaccine development. Significant variation in certain of the outer surface proteins suggests that multiple proteins, peptides, or chimeric vaccines may be needed to provide a sufficiently broad humoral protective response.
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Affiliation(s)
- L H Sigal
- Division of Rheumatology and Connective Tissue Research, UMDNJ-Robert Wood Johnson Medical School, New Brunswick 08903, USA
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Norman GL, Antig JM, Bigaignon G, Hogrefe WR. Serodiagnosis of Lyme borreliosis by Borrelia burgdorferi sensu stricto, B. garinii, and B. afzelii western blots (immunoblots). J Clin Microbiol 1996; 34:1732-8. [PMID: 8784579 PMCID: PMC229104 DOI: 10.1128/jcm.34.7.1732-1738.1996] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
The performance of Western blots (immunoblots) prepared with eight strains of Borrelia burgdorferi representing B. burgdorferi sensu stricto, B. garinii, and B. afzelii genospecies was tested with a panel of sera with various clinical presentations collected from eight geographic regions. European sera were generally more reactive to blots prepared with B. garinii or B. afzelii strain antigens, in particular B. garinii 20047 and B. afzelii VS461. North American sera were more reactive with B. burgdorferi sensu stricto strains. Our observation of significant differences in the levels of reactivity of some sera on Western blots of certain strains is potentially important for the development and implementation of generic interpretive criteria. Preferential reactivity of sera from patients with nerve and/or palsy symptoms to B. garinii strains and with cutaneous disease to B. afzelii strains was observed. On the basis of our results, we have concluded that strain 20047 is the best strain to use for the development of a generic Lyme borreliosis Western blot for Europe.
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Affiliation(s)
- G L Norman
- MRL Diagnostics, Cypress, California 90630, USA
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Rößler D, Eiffert H, Jauris-Heipke S, Lehnert G, Liegl G, Preac-Mursic V, Teepe J, Schlott T, Soutschek E, Wilske B. Molecular characterization of the p83/100 proteins of variousBorrelia burgdorferi sensu lato strains. Cell Mol Life Sci 1996. [DOI: 10.1007/bf01919522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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17
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Magnarelli LA, Fikrig E, Padula SJ, Anderson JF, Flavell RA. Use of recombinant antigens of Borrelia burgdorferi in serologic tests for diagnosis of lyme borreliosis. J Clin Microbiol 1996; 34:237-40. [PMID: 8788993 PMCID: PMC228775 DOI: 10.1128/jcm.34.2.237-240.1996] [Citation(s) in RCA: 53] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Recombinant antigens of outer surface proteins (Osps) OspA, OspB, OspC, OspE, and OspF of Borrelia burgdorferi sensu stricto and of p41-G, an antigenic region of flagellin of this spirochete, were tested with human sera in class-specific and polyvalent enzyme-linked immunosorbent assays (ELISAs). In analyses for immunoglobulin M (IgM) antibodies, 18 (85.7%) of 21 serum samples from persons who had been diagnosed as having Lyme borreliosis on the basis of the presence of erythema migrans reacted positively in ELISAs with one or more Osp antigens or the p41-G antigen. Eleven serum samples contained antibodies to OspC antigen, and of these, six also reacted to the p41-G antigen and to one or more of the other recombinant antigens. The remaining five serum samples reacted solely to OspC (n = 4) or to OspC plus OspA and OspE without reactivity to p41-G (n = 1). In analyses for IgG antibodies, seropositivity was comparable to that of IgM analyses and was marked by predominant reactivity to p41-G, OspC, and OspF. Similarly, all 21 serum samples were positive in polyvalent and class-specific ELISAs with whole-cell B. burgdorferi. Minor cross-reactivity was noted when sera from persons who had syphilis, periodontitis or other oral infections, or rheumatoid arthritis were tested with OspC, OspE, OspF, and p41-G. With relatively high degrees of specificity, ELISAs with recombinant antigens, particularly OspC and p41-G, can help to confirm B. burgdorferi infections.
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Affiliation(s)
- L A Magnarelli
- Department of Entomology, Connecticut Agricultural Experiment Station, New Haven 06504, USA
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Aguero-Rosenfeld ME, Nowakowski J, Bittker S, Cooper D, Nadelman RB, Wormser GP. Evolution of the serologic response to Borrelia burgdorferi in treated patients with culture-confirmed erythema migrans. J Clin Microbiol 1996; 34:1-9. [PMID: 8748261 PMCID: PMC228718 DOI: 10.1128/jcm.34.1.1-9.1996] [Citation(s) in RCA: 155] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
We investigated the appearance and evolution of immunoglobulin M (IgM) and IgG antibodies to Borrelia burgdorferi in 46 patients with culture-proven erythema migrans (EM). All patients received antimicrobial treatment and were prospectively evaluated for up to 1 year. A total of 257 serially collected serum samples were tested by commercial IgG-IgM enzyme-linked immunosorbent assay and separate IgM and IgG immunoblots (IBs). At the baseline, 33% of the patients had a positive ELISA result and 43% of the patients had a positive IgM IB result by using the criteria of the Centers for Disease Control and Prevention-Association of State and Territorial Public Health Laboratory Directors for the interpretation of IB results. Positive serology at the baseline and the rate of seroconversion correlated directly with disease duration and/or evidence of dissemination prior to treatment. At days 8 to 14 after the baseline, 91% of patients had a positive ELISA result and/or IgM IB result. Peak IgM antibody levels were seen at this time in patients with localized or disseminated disease. The most frequent IgM bands at the baseline and the peak were of 24 kDa (OspC), 41 kDa, and 37 kDa. Although 89% of the patients developed IgG antibodies as determined at a follow-up examination, only 22% were positive by the IgG IB criteria of the Centers for Disease Control and Prevention-Association of State and Territorial Public Health Laboratory Directors. The persistence of antibodies was directly related to disease duration and/or dissemination prior to treatment. Since IgM antibodies to the 24- and 41-kDa antigens remained detectable for long periods, 38% of IgM IBs were still positive at 1 year postbaseline. IgM to antigens of 39, 58, 60, 66, or 93 kDa, conversely, were most often seen in sera obtained within 1 month postbaseline. Their presence may be of assistance in confirming a recent infection with B. burgdorferi in individuals living in areas where Lyme disease is endemic.
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Rauer S, Kayser M, Neubert U, Rasiah C, Vogt A. Establishment of enzyme-linked immunosorbent assay using purified recombinant 83-kilodalton antigen of Borrelia burgdorferi sensu stricto and Borrelia afzelii for serodiagnosis of Lyme disease. J Clin Microbiol 1995; 33:2596-600. [PMID: 8567889 PMCID: PMC228536 DOI: 10.1128/jcm.33.10.2596-2600.1995] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
The 83-kDa antigen of Borrelia burgdorferi was expressed as a recombinant protein in Escherichia coli and purified for use in an enzyme-linked immunosorbent assay (p83-ELISA). Antibodies to the 83-kDa antigen of both the immunoglobulin G (IgG) and IgM isotypes could be detected in all stages of Lyme disease. Sensitivity varied, depending on the clinical stage of illness. In early stages, as defined for 118 patients with erythema migrans, it was found to be 20% (24 of 118 patients: 7 with IgM, 16 with IgG, and 1 with IgM and IgG). Of the patients with late-stage Lyme arthritis and acrodermatitis chronica atrophicans, 94% (16 of 17:2 with IgM and IgG and 14 with IgG) and 86% (36 of 42:2 with IgG and IgM and 34 with IgG) revealed positive results in the p83-ELISA, respectively. p83 displays sequence heterogeneity according to the genomospecies, but when the reactions of serum specimens from acrodermatitis chronica atrophicans patients and arthritis patients with p83 derived from representative strains of B. burgdorferi sensu stricto and Borrelia afzelii in ELISAs were compared, no differences in specificity and sensitivity were seen. When 82 serum specimens from healthy controls were tested, none had IgG and only 3 (4%) had IgM antibodies, indicating a high specificity. Positive reactions with antibodies against Treponema pallidum (1 of 37 patients; IgG) and Epstein-Barr virus (1 of 44 patients; IgM) and with autoantibodies of various specificities (1 of 53 patients; IgG) were seen with < 3% of the serum samples te11111111111111111111 high speficicity for B. burgdorferi.2+ 13% for IgM antibodies, the IgM p83-ELISA provided little diagnostic information for Lyme disease, whereas the IgG p83-ELISA appears to be a suita ;e test for serodiagnosis of advanced-stage Lyme disease.
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Affiliation(s)
- S Rauer
- Institut für Medizinische Mikrobiologie und Hygiene, Albert-Ludwigs-Universität, Freiburg, Germany
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20
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Probert WS, Allsup KM, LeFebvre RB. Identification and characterization of a surface-exposed, 66-kilodalton protein from Borrelia burgdorferi. Infect Immun 1995; 63:1933-9. [PMID: 7729905 PMCID: PMC173246 DOI: 10.1128/iai.63.5.1933-1939.1995] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
The surface-exposed antigens of Borrelia burgdorferi represent important targets for the development of a protective immune response. We have identified a proteinase K-accessible, 66-kDa protein from B. burgdorferi and have demonstrated that at least a portion of this protein is surface exposed. The 66-kDa protein was purified by sequential extraction of spirochetes with butanol and Triton X-114 followed by preparative gel electrophoresis. Polyclonal antibodies developed against the purified 66-kDa protein were Borrelia spp. specific, whereas a monoclonal antibody, Route 66, displayed a genospecies-specific pattern of recognition for the 66-kDa protein. N-terminal amino acid sequence was obtained from an internal fragment, a truncated version, and the full-length form of the 66-kDa protein. A search of protein and gene databases for homologous sequences yielded a match with the predicted amino acid sequence from a segment of B. burgdorferi chromosomal DNA (P. A. Rosa, D. Hogan, and T. G. Schwan, J. Clin. Microbiol. 29:524-532, 1991). The construction of primers based on this DNA sequence and the N-terminal amino acid sequence allowed the amplification and cloning of the 66-kDa-protein gene. The identity of the cloned gene was verified by the recognition of the expressed gene product by Route 66. Pulsed-field gel electrophoresis and Southern blot analysis were performed to confirm the chromosomal location of the 66-kDa-protein gene. This study describes the identification and cloning of the first chromosomally encoded, surface-exposed protein from B. burgdoferi.
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Affiliation(s)
- W S Probert
- Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California, Davis 95616, USA
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21
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Rössler D, Eiffert H, Jauris-Heipke S, Lehnert G, Preac-Mursic V, Teepe J, Schlott T, Soutschek E, Wilske B. Molecular and immunological characterization of the p83/100 protein of various Borrelia burgdorferi sensu lato strains. Med Microbiol Immunol 1995; 184:23-32. [PMID: 8538575 DOI: 10.1007/bf00216786] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The complete coding regions of the chromosomally encoded p83/100 protein of four Borrelia garinii strains and one Borrelia burgdorferi sensu stricto strain have been amplified by the polymerase chain reaction (PCR), cloned and sequenced. From alignment studies with the deduced amino acid sequences presented here, and five other published p83/100 sequences, the most heterologous region of the p83/100 molecule was identified to be located between amino acid position 390-540. To study the structure of this heterogeneous region, and internal fragment of the p83/100 genes from 11 additional B. burgdorferi sensu lato strains was amplified by PCR. The PCR products were analyzed by DNA sequencing and restriction enzyme analysis. These internal p83/100 fragments varied in size and sequence. Cluster analysis of internal p83/100 fragments, as well as restriction enzyme analysis, revealed three major groups in accordance with grouping into the three species causing Lyme disease. Strains within the same species (six B. burgdorferi sensu stricto and six B. afzelii strains) showed similar p83/100 partial structures. Nevertheless, nine B. garinii strains showed more sequence variations and could be further divided into two major subgroups. One group is represented by OspA serotype 4 strains, the other more heterogeneous group is represented by OspA serotypes 3, 5, 6 and 7 strains. Phenotypic analysis with four p83/100-specific monoclonal antibodies revealed four distinct reactivity patterns. Antibody L100 1B4 recognized a common epitope of B. burgdorferi sensu stricto and B. afzelii. Antibodies L100 17D3 and L100 18B4 were reactive with an epitope shared by strains of all three species. The broadest reactivity was shown by L100 18B4 which, in contrast to L100 17D3, additionally recognized the relapsing fever borreliae B. turicatae and B. hermsii. L100 8B8 detected a subgroup of the B. burgdorferi sensu stricto strains. Since comparison of the p83/100 molecule with sequences from protein databases showed similarities with characteristics of eukaryotic cell structures, the p83/100 might mimic these structures and may, therefore, be involved in the immune escape mechanism of the pathogenic agent of Lyme disease.
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Affiliation(s)
- D Rössler
- Max von Pettenkofer Institut für Hygiene und Medizinische Mikrobiologie, Ludwig-Maximilians Universität München, Germany
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22
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23
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Probert WS, LeFebvre RB. Protection of C3H/HeN mice from challenge with Borrelia burgdorferi through active immunization with OspA, OspB, or OspC, but not with OspD or the 83-kilodalton antigen. Infect Immun 1994; 62:1920-6. [PMID: 8168958 PMCID: PMC186442 DOI: 10.1128/iai.62.5.1920-1926.1994] [Citation(s) in RCA: 105] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Recent advances in the development of animal models for Lyme borreliosis have provided means of identifying potential targets for the design of a subunit vaccine to prevent this disease. The C3H/HeN mouse model was used to study several Borrelia burgdorferi antigens from a single isolate for their ability to elicit borreliacidal and protective antibodies. The ospA, ospB, ospC, ospD, and 83-kDa genes from a California isolate, SON 188, were cloned and expressed in Escherichia coli as proteins fused to the C-terminal end of maltose-binding protein. Active immunization of mice with these fusion proteins elicited high titers of antibodies that recognized the homologous SON 188 antigens upon immunoblotting. Antibodies generated to the OspA and OspB fusion proteins, but not to the OspC, OspD, and the 83-kDa fusion proteins, demonstrated in vitro borreliacidal activity. Challenge of all actively immunized mice with 10(7) SON 188 spirochetes resulted in infection in all mice receiving the OspD or 83-kDa immunogens but not in any mice receiving the OspA, OspB, or OspC fusion proteins. These results demonstrate the potential of OspA, OspB, and OspC as components of a subunit vaccine for the prevention of Lyme borreliosis.
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Affiliation(s)
- W S Probert
- Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California at Davis 95616
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24
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Rasiah C, Rauer S, Gassmann GS, Vogt A. Use of a hybrid protein consisting of the variable region of the Borrelia burgdorferi flagellin and part of the 83-kDa protein as antigen for serodiagnosis of Lyme disease. J Clin Microbiol 1994; 32:1011-7. [PMID: 8027303 PMCID: PMC267171 DOI: 10.1128/jcm.32.4.1011-1017.1994] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
A hybrid protein consisting of the variable region of the Borrelia burgdorferi flagellin (an 18-kDa fragment) and a 59-kDa fragment (lacking the N-terminal part) of the 83-kDa protein has been constructed by genetic engineering. It was expressed as a nonfusion protein of an apparent molecular weight of 77,000 in Escherichia coli. The suitability of this new antigen for the diagnosis of Lyme disease was tested by immunoblotting; for comparison, the recombinant variable region of the flagellin, the 18-kDa fragment (p18), and the whole recombinant 83-kDa protein (p83), both expressed in E. coli, were used. A total of 120 serum samples from various stages of Lyme disease, which were positive in two serological assays, a passive hemagglutination assay and an indirect immunofluorescence assay, were tested. By indirect immunofluorescence, 74 samples were positive for immunoglobulin G (IgG) antibodies and 72 were positive for IgM antibodies. Of these serum samples, 69 of 74 (93%) contained IgG antibodies against p18 and/or p83, and IgG antibodies were detected by the hybrid protein in 67 (90%) samples. IgM antibodies against p18 and/or p83 were detected in 60 of 72 (83%) serum samples, and 57 (79%) serum samples were reactive with the hybrid protein. Twenty serum samples of patients with a history of syphilis and 40 serum samples, negative in routine B. burgdorferi serology, were tested as controls. The hybrid protein, made up of specific epitopes of an early (p18) and late (p83) antigen, is recognized by almost the same number of patient serum samples as the individual antigens.
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Affiliation(s)
- C Rasiah
- Institut für Medizinische Mikrobiologie und Hygiene, Freiburg, Germany
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25
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Anda P, Backenson PB, Coleman JL, Benach JL. Epitopes shared by unrelated antigens of Borrelia burgdorferi. Infect Immun 1994; 62:1070-8. [PMID: 7509314 PMCID: PMC186226 DOI: 10.1128/iai.62.3.1070-1078.1994] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
An immunoglobulin M kappa-chain murine monoclonal antibody (CAB) reacted in a Western blot (immunoblot) with approximately 30 polypeptides from a whole-cell lysate of several American and European Borrelia burgdorferi strains. The reactive antigen with the highest M(r) was measured at 93 kDa (p93) and had an NH2-terminal sequence identical to the one previously reported for this antigen. The lowest reactive antigen had an M(r) of 16,000. All antigens recognized by CAB had isoelectric points within a narrow acidic range, between 5.4 and 6.2. Thus, the objective of this study was to determine whether the broad reactivity of CAB could be due to degradation of the antigen with the highest M(r), since such spontaneous degradation of p93 has already been reported, and to determine whether CAB could recognize shared epitopes in different antigens. Treatment of B. burgdorferi with protease inhibitors did not result in changes in CAB reactivity, indicating that if such degradation existed, it was most likely not due to the action of endogenous proteases. Likewise, protease treatment of intact organisms and recovery of the antigens in the insoluble fraction of a Triton X-114 partition indicated that they were internal and thus less likely to be degraded by experimental procedures. Amino-terminal sequences of other reactive polypeptides showed one approximately 72-kDa polypeptide to be identical to the DnaK homolog of B. burgdorferi. Two other antigens at approximately 49 and 47 kDa were blocked to Edman degradation. Finally, one sequenced polypeptide with a molecular mass of approximately 38.5 kDa had a strong identity with glyceraldehyde-3-phosphate dehydrogenase of other bacteria and vertebrates. Thus, while it cannot be ruled out that some of the CAB reactivity may be due to fragmentation of p93, there is strong evidence to indicate the presence of a shared epitope in at least three, possibly five, unrelated antigens of B. burgdorferi. A linear epitope within amino acid residues 357 to 371 of p93 was identified. Evidence is presented for a discontinuous epitope in the carboxy-terminal region of the DnaK homolog, which bears strong amino acid identity with the p93 epitope. The conserved amino acid sequences necessary for these shared epitopes indicate possible genetic and/or functional relatedness among these various antigens.
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Affiliation(s)
- P Anda
- Centro Nacional de Microbiología, Virología e Inmunología Sanitarias, Instituto de Salud Carlos III, Madrid, Spain
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26
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Wilske B, Fingerle V, Preac-Mursic V, Jauris-Heipke S, Hofmann A, Loy H, Pfister HW, Rössler D, Soutschek E. Immunoblot using recombinant antigens derived from different genospecies of Borrelia burgdorferi sensu lato. Med Microbiol Immunol 1994; 183:43-59. [PMID: 8202030 DOI: 10.1007/bf00193630] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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 thereof, and the plasmid-encoded outersurface proteins A (OspA) and C (OspC). In the present study the same antigens (derived from strain PKo, genospecies B. afzelii) were compared with the homologous recombinant proteins from strain B31 (genospecies B. burgdorferi sensu stricto) and with OspA, OspC and the internal flagellin fragment from strain PBi (genospecies B. garinii). Patients with neuroborreliosis (n = 28) and patients with acrodermatitis chronica atrophicans (n = 20) were investigated in the IgG immunoblot; the IgM immunoblot was performed only in patients with neuroborreliosis. There was a small increase in the detection rate of OspA-specific IgG or IgM antibodies using the different variants of recombinant OspA; however, OspA remained an insensitive antigen for antibody detection in Lyme borreliosis. The same was true to OspC-specific IgG antibodies. The sensitivity of OspC, which is the immunodominant antigen for IgM antibody detection, could not be increased using recombinant antigens derived from different strains. However, some sera which were negative in the recombinant immunoblot reacted with OspC in the conventional immunoblot using B. burgdorferi whole cell lysate as antigen. The most unexpected finding was the high degree of immunological heterogeneity of the internal flagellin fragments: IgG antibodies were detected in 18 of 48 patients using B31 fragments, in 25 of 48 using PKo fragments, in 23 of 48 using PBi fragments versus 33 of 48 when the three recombinant proteins were combined. PKo-derived fragments were more sensitive for antibody detection in patients with acrodermatitis chronica atrophicans, B31- and PBi-derived fragments for antibody detection in patients with neuroborreliosis. This is in agreement with the fact that isolates from patients with neuroborreliosis are predominantly belonging to the genospecies B. burgdorferi sensu stricto and B. garinii. For detection of IgM antibodies in sera from patients with neuroborreliosis, recombinant internal fragments derived from strains B31 and PBi were more sensitive than the PKo-derived fragment. The best discrimination between neuroborreliosis sera and control sera was achieved when the IgM blot was performed using recombinant internal flagellin fragments derived from strains PKo and PBi and OspC derived from B31 or PKo.
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Affiliation(s)
- B Wilske
- Max von Pettenkofer-Institut für Hygiene und Medizinische Mikrobiologie, Universität München, Germany
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Rath PM, Marsch WC, Brade V, Fehrenbach F. Serological distinction between syphilis and Lyme borreliosis. ZENTRALBLATT FUR BAKTERIOLOGIE : INTERNATIONAL JOURNAL OF MEDICAL MICROBIOLOGY 1994; 280:319-24. [PMID: 8167425 DOI: 10.1016/s0934-8840(11)80593-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The serological distinction of an immune response to the agent of syphilis, Treponema (T.) pallidum, and Lyme disease borreliae is difficult due to the existence of cross-reacting antibodies. In this study, the immunoblot technique is used to compare the immune response of sera from patients with syphilis or Lyme borreliosis to either T. pallidum or Borrelia (B.) burgdorferi. Patients with syphilis showed an IgG response to the 17 and 15 kDa antigens of T. pallidum, whereas sera from patients with Lyme borreliosis-especially in late stages of the disease-reacted with the 95 and 19-17 kDa antigens of B. burgdorferi. Thus, IgG antibodies against low molecular weight antigens of T. pallidum (17, 15 kDa) or B. burgdorferi (19-17 kDa) may represent useful markers for the serological diagnosis of syphilis or Lyme borreliosis.
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Affiliation(s)
- P M Rath
- Department of Microbiology, Universitätskilinikum Rudolf Virchow, Berlin Germany
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Jauris-Heipke S, Fuchs R, Hofmann A, Lottspeich F, Preac-Mursic V, Soutschek E, Will G, Wilske B. Molecular characterization of the p100 gene of Borrelia burgdorferi strain PKo. FEMS Microbiol Lett 1993; 114:235-41. [PMID: 8282192 DOI: 10.1111/j.1574-6968.1993.tb06579.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
The p100 gene coding for the p100 protein of Borrelia burgdorferi strain PKo has been cloned, sequenced and expressed in Escherichia coli. An open reading frame including upstream and downstream sequences with potential translation and transcription signals could be identified. The reading frame consists of 1989 nucleotides corresponding to a protein of 663 amino acids and a calculated molecular mass of 75.8 kDa. The protein has a leader peptide and is processed without modification at the N-terminus. A high percentage of amino acid sequence identity could be found to the high-molecular mass protein p83/p93 of B. burgdorferi strain B31.
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Affiliation(s)
- S Jauris-Heipke
- Abteilung Serologie, Max von Pettenkofer Institute, Munich, FRG
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29
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Dykhuizen DE, Polin DS, Dunn JJ, Wilske B, Preac-Mursic V, Dattwyler RJ, Luft BJ. Borrelia burgdorferi is clonal: implications for taxonomy and vaccine development. Proc Natl Acad Sci U S A 1993; 90:10163-7. [PMID: 8234271 PMCID: PMC47734 DOI: 10.1073/pnas.90.21.10163] [Citation(s) in RCA: 117] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
The chromosomal genes fla and p93 and the ospA gene from a linear plasmid were sequenced from up to 15 isolates of Borrelia burgdorferi, which causes Lyme borreliosis in man. Comparison of the gene trees provides no evidence for genetic exchange between chromosomal genes, suggesting B. burgdorferi is strictly clonal. Comparison of the chromosomal gene trees with that of the plasmid-encoded ospA reveals that plasmid transfer between clones is rare. Evidence for intragenic recombination was found in only a single ospA allele. The analysis reveals three common clones and a number of rare clones that are so highly divergent that vaccines developed against one are unlikely to provide immunity to organisms from others. Consequently, an understanding of the geographic and genetic variability of B. burgdorferi will prove essential for the development of effective vaccines and programs for control. While the major clones might be regarded as different species, the clonal population structure, the geographic localization, and the widespread incidence of Lyme disease suggest that B. burgdorferi should remain the name for the entire array of organisms.
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Affiliation(s)
- D E Dykhuizen
- Department of Ecology and Evolution, State University of New York, Stony Brook 11794
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