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Mage RG, Esteves PJ, Rader C. Rabbit models of human diseases for diagnostics and therapeutics development. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2019; 92:99-104. [PMID: 30339876 PMCID: PMC6364550 DOI: 10.1016/j.dci.2018.10.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 09/07/2018] [Accepted: 10/11/2018] [Indexed: 05/03/2023]
Abstract
This review presents some examples of studies using the European rabbit (Oryctolagus cuniculus) that have led to, and continue to, contribute to advancement of understanding of human diseases as well as therapeutics development. In addition, we tabulate FDA-approved rabbit polyclonal and rabbit monoclonal antibodies (mAbs) that are used for diagnostic applications, as well as an overview of some "humanized" or otherwise altered rabbit mAbs that are in initial phase I, II, or advanced to phase III clinical trials. Information about endogenous retriviruses learned from studies of rabbits and other members of the order Lagomorpha are summarized as this knowledge now applies to new therapeutics being developed for several human diseases including Multiple Sclerosis, Type 1 Diabetes and Cancer.
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Affiliation(s)
- Rose G Mage
- Laboratory of Immune System Biology, NIAID, NIH, Bldg 10 11N311, 10 Center Drive, Bethesda, MD, 20892-1892, USA.
| | - Pedro J Esteves
- CIBIO, InBIO, Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, 4485-661, Vairão, Portugal; Departamento de Biologia, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre, s/n, 4169-007, Porto, Portugal; Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde (CESPU), Gandra, Portugal
| | - Christoph Rader
- Department of Immunology and Microbiology, The Scripps Research Institute, Jupiter, FL, 33458, USA
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Rai G, Ray S, Milton J, Yang J, Ren P, Lempicki R, Mage RG. Gene expression profiles in a rabbit model of systemic lupus erythematosus autoantibody production. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2010; 185:4446-56. [PMID: 20817871 PMCID: PMC2949067 DOI: 10.4049/jimmunol.1001254] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
We previously reported the establishment of a rabbit (Oryctolagus cuniculus) model in which peptide immunization led to production of lupus-like autoantibodies including anti-Sm, -RNP, -SS-A, -SS-B, and -dsDNA characteristic of those produced in systemic lupus erythematosus (SLE) patients. Some neurologic symptoms in the form of seizures and nystagmus were observed. The animals used in the previous and in the current study were from a National Institute of Allergy and Infectious Diseases colony of rabbits that were pedigreed, Ig-allotype defined, but not inbred. Their genetic heterogeneity may correspond to that found among patients of a given ethnicity. We extended the information about this rabbit model by microarray-based expression profiling. We first demonstrated that human expression arrays could be used with rabbit RNA to yield information on molecular pathways. We then designed a study evaluating gene expression profiles in eight groups of control and treated rabbits (47 rabbits in total). Genes significantly upregulated in treated rabbits were associated with NK cytotoxicity, Ag presentation, leukocyte migration, cytokine activity, protein kinases, RNA spliceosomal ribonucleoproteins, intracellular signaling cascades, and glutamate receptor activity. These results link increased immune activation with upregulation of components associated with neurologic and anti-RNP responses, demonstrating the utility of the rabbit model to uncover biological pathways related to SLE-induced clinical symptoms, including neuropsychiatric lupus. Our finding of distinct gene expression patterns in rabbits that made anti-dsDNA compared with those that only made other anti-nuclear Abs should be further investigated in subsets of SLE patients with different autoantibody profiles.
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Affiliation(s)
- Geeta Rai
- Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1892
| | - Satyajit Ray
- Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1892
| | - Jacqueline Milton
- Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1892
| | - Jun Yang
- Laboratory of Bioinformatics and Immunopathogenesis, SAIC-Frederick, Inc., NCI-Frederick, Frederick, MD, 21702, USA
| | - Ping Ren
- Laboratory of Bioinformatics and Immunopathogenesis, SAIC-Frederick, Inc., NCI-Frederick, Frederick, MD, 21702, USA
| | - Richard Lempicki
- Laboratory of Bioinformatics and Immunopathogenesis, SAIC-Frederick, Inc., NCI-Frederick, Frederick, MD, 21702, USA
| | - Rose G. Mage
- Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1892
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Investigations of a rabbit (Oryctolagus cuniculus) model of systemic lupus erythematosus (SLE), BAFF and its receptors. PLoS One 2009; 4:e8494. [PMID: 20041151 PMCID: PMC2794537 DOI: 10.1371/journal.pone.0008494] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2009] [Accepted: 11/23/2009] [Indexed: 01/21/2023] Open
Abstract
B-cell activation factor belonging to the tumor necrosis factor family (BAFF) is a major contributor to survival of B lymphocytes during development and maturation. A relationship between circulating BAFF levels and disease activity has been reported in patients with the autoimmune disease Systemic Lupus Erythematosus (SLE). Clinical trials targeting BAFF or its receptors are currently in progress. In order to further characterize a rabbit (Oryctolagus cuniculus) model of SLE, we investigated the expression of BAFF and its receptors in non-inbred, pedigreed rabbits derived from breeding and selection based on autoantibody responses. We immunized rabbits related to previous groups that developed autoantibodies and inflammatory responses after immunizations with peptides synthesized on multiple antigen-branched polylysine backbones. Blood and sera collected before immunization and after boosts were used for health monitoring, analyses of serum autoantibody responses by ELISA and immunofluorescence. Peripheral blood mononuclear cells (PBMC) were studied by flow cytometry and were the source of mRNA for quantitative PCR analyses. We hypothesized that BAFF mRNA expression and serum BAFF levels measured indirectly through BAFF receptor binding might increase in autoantibody-producing rabbits. Immunized rabbits developed elevated levels of leucocyte populations, anti-nuclear, anti-dsDNA and other autoantibodies. BR3 mRNA levels in total PBMC decreased and BAFF levels remained low and unchanged in most immunized rabbits. By flow cytometry, percentages of BAFF positive cells decreased. Percentages of transmembrane activator and CAML interactor (TACI) decreased in most rabbits from all the immunized groups. The rabbit is an important model for human autoimmune and infectious diseases, and a high quality draft rabbit genome assembly was recently completed. Human disease models developed in non-inbred pedigreed animals are better able to reflect the complexities of diseases such as SLE with familial patterns of inheritance. Although no consistent pattern of elevated expression of BAFF mRNA or protein was found in the rabbits studied, the data collected and reported here build upon previous data to refine understanding of a rabbit model of SLE.
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Yang J, Pospisil R, Mage RG. Expression and localization of rabbit B-cell activating factor (BAFF) and its specific receptor BR3 in cells and tissues of the rabbit immune system. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2009; 33:697-708. [PMID: 19124039 PMCID: PMC2744865 DOI: 10.1016/j.dci.2008.12.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2008] [Revised: 12/01/2008] [Accepted: 12/07/2008] [Indexed: 05/27/2023]
Abstract
Rabbits are widely used for vaccine development, and investigations of human infectious and autoimmune diseases such as Systemic Lupus Erythematosus (SLE). For these applications, we cloned, sequenced and expressed rabbit B-cell Activating Factor (BAFF), and localized BAFF in cells and tissues of the rabbit immune system. The rabbit homolog of the human BAFF binding site (miniBR3 peptide) within the BAFF-specific receptor BR3 was synthesized. This 26-residue core domain binds to recombinant rabbit BAFF protein. Flow cytometric analyses using purified recombinant rabbit BAFF combined with real-time PCR findings revealed that BAFF detected on peripheral blood B-cells from normal rabbits is probably complexed to BAFF receptors rather than produced by the B-cells. BAFF was detected in developing appendix of young rabbits by immunohistochemical staining suggesting that BAFF plays a role during the period following birth when rabbit B-cell development and pre-immune antibody repertoire diversification and selection is occurring.
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Affiliation(s)
- Jiahui Yang
- Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 10 Center Drive, Bethesda, MD 20892-1892, USA
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Pleasure D. Diagnostic and pathogenic significance of glutamate receptor autoantibodies. ACTA ACUST UNITED AC 2008; 65:589-92. [PMID: 18474732 DOI: 10.1001/archneur.65.5.589] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Autoantibodies against glutamate receptors, first reported in Rasmussen encephalitis, have been observed in other focal epilepsies, central nervous system ischemic infarcts, transient ischemic attacks, sporadic olivopontocerebellar atrophy, systemic lupus erythematosus, and paraneoplastic encephalopathies. The detection of glutamate receptor autoantibodies is not useful in the evaluation of Rasmussen encephalitis but may be a biomarker for brain ischemia, and it is helpful in diagnosing certain paraneoplastic encephalopathies. Passive transfer of glutamate receptor autoantibodies from patients with systemic lupus erythematosus or paraneoplastic encephalopathy suggests that glutamate receptor autoantibodies can actively contribute to neurologic dysfunction.
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Affiliation(s)
- David Pleasure
- Department of Neurology, University of California, Davis, School of Medicine, Sacramento, CA 95817, USA.
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Puliyath N, Ray S, Milton J, Mage RG. Genetic contributions to the autoantibody profile in a rabbit model of Systemic Lupus Erythematosus (SLE). Vet Immunol Immunopathol 2008; 125:251-67. [PMID: 18602165 DOI: 10.1016/j.vetimm.2008.05.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2008] [Revised: 04/16/2008] [Accepted: 05/19/2008] [Indexed: 12/29/2022]
Abstract
For the development of rabbit models of Systemic Lupus Erythematosus (SLE), immunoglobulin allotype-defined pedigreed rabbits from the National Institute of Allergy and Infectious Diseases rabbit resource more closely approximate human populations due to their non-inbred pedigreed structure. In an initial study from this laboratory, peptides (SM and GR) from the spliceosomal Smith (Sm) and the NMDA glutamate receptor NR2b, on branched polylysine backbones (BB) elicited antinuclear and anti-dsDNA autoantibodies typical of SLE, as well as seizures and nystagmus sometimes observed as neurological manifestations in SLE patients. This suggested the feasibility of further selective breeding to develop a more reproducible rabbit model for investigations of SLE. Here we report the results of GR-MAP-8 and control BB immunization on autoantibody responses in a group of 24 rabbits specifically bred and developed from parents and ancestors tested for autoantibody responses. The changes in hematological profile and blood chemistry in the experimental rabbits were evaluated along with autoantibody responses. Elevations of total white blood cell (WBC), monocyte, eosinophil and basophil counts that developed following immunizations were moderately influenced by litter and presence of the antibody heavy chain allotype VH1a1. Autoantibody development followed a sequential pattern with anti-nuclear antibodies (ANA) followed by anti-dsDNA and subsequently anti-Sm and anti-RNP similar to SLE patients. High autoantibody levels to one autoantigen were not always associated with antibody response to another. Female rabbits had higher prevalence and levels of autoantibodies similar to human SLE. Higher autoantibody levels of anti-dsDNA and -ANA were observed among some full sibs and the presence of high responder ancestors in the pedigree was associated the augmented responses. We observed significant association between highest antibody responses to GR-MAP-8 and highest anti-dsDNA levels. Naturally occurring autoantibodies were found in some pre-immune sera and some unique ANA fluorescent staining patterns within the experimental group were observed. Background immunofluorescence in pre-immune sera, distinct patterns of programmed autoantibody responses unique among individual rabbits may have been modulated by genetic constitution, gender and environmental factors including exposure to antigens. The high incidence and intensity of autoantibody responses among descendants of high responders suggest that there may be an additive mode of inheritance with high heritability. It is conceivable that further rigorous pedigree selection for autoantibody responses could lead to development of rabbit models with spontaneous occurrence of SLE like serology and disease phenotypes.
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Affiliation(s)
- Nandakumar Puliyath
- Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1892, USA
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Monneaux F, Parietti V, Briand JP, Muller S. Importance of spliceosomal RNP1 motif for intermolecular T-B cell spreading and tolerance restoration in lupus. Arthritis Res Ther 2008; 9:R111. [PMID: 17963484 PMCID: PMC2212579 DOI: 10.1186/ar2317] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2007] [Revised: 08/07/2007] [Accepted: 10/26/2007] [Indexed: 01/07/2023] Open
Abstract
We previously demonstrated the importance of the RNP1 motif-bearing region 131-151 of the U1-70K spliceosomal protein in the intramolecular T-B spreading that occurs in MRL/lpr lupus mice. Here, we analyze the involvement of RNP1 motif in the development and prevention of naturally-occurring intermolecular T-B cell diversification. We found that MRL/lpr peripheral blood lymphocytes proliferated in response to peptides containing or corresponding exactly to the RNP1 motif of spliceosomal U1-70K, U1-A and hnRNP-A2 proteins. We also demonstrated that rabbit antibodies to peptide 131-151 cross-reacted with U1-70K, U1-A and hnRNP-A2 RNP1-peptides. These antibodies recognized the U1-70K and U1-A proteins, and also U1-C and SmD1 proteins, which are devoid of RNP1 motif. Repeated administration of phosphorylated peptide P140 into MRL/lpr mice abolished T-cell response to several peptides from the U1-70K, U1-A and SmD1 proteins without affecting antibody and T-cell responses to foreign (viral) antigen in treated mice challenged with infectious virus. These results emphasized the importance of the dominant RNP1 region, which seems to be central in the activation cascade of B and T cells reacting with spliceosomal RNP1+ and RNP1- spliceosomal proteins. The tolerogenic peptide P140, which is recognized by lupus patients' CD4+ T cells and known to protect MRL/lpr mice, is able to thwart emergence of intermolecular T-cell spreading in treated animals.
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Affiliation(s)
- Fanny Monneaux
- Centre National de Recherche Scientifique UPR9021, Institut de Biologie Moléculaire et Cellulaire, 15 rue René Descartes, 67000 Strasbourg, France
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Kuruma KAM, Borba EF, Lopes MH, de Carvalho JF, Bonfá E. Safety and efficacy of hepatitis B vaccine in systemic lupus erythematosus. Lupus 2007; 16:350-4. [PMID: 17576737 DOI: 10.1177/0961203307078225] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Hepatitis B virus (HBV) vaccination has been implicated as a potential trigger for autoimmune diseases but there are no prospective studies in lupus. We therefore assessed prospectively the safety and efficacy of immunization with recombinant DNA HBV vaccine (Euvax B; LG Life Sciences) in systemic lupus erythematosus (SLE) patients. Twenty-eight consecutive inactive SLE patients [Systemic Lupus Erythematosus Disease Activity Index (SLEDAI) <4], age between 18 and 50 years and negative serology for HBV, were selected. Exclusion criteria were prednisone >/=20 mg/day and immunosuppressive drugs. Clinical and laboratorial assessments were obtained at study entry and one month after the three doses. In addition, a previous one year evaluation was performed using a standard electronic protocol. The mean age was 34 +/- 7.7 years and disease duration was 10.4 +/- 6.7 years. An adequate seroconversion was achieved at the end of the study (93%), although a lower frequency after the first (4%) and second dose (54%) was observed. No significant change in mean SLEDAI score was detected after each dose throughout the study (0.14 +/- 0.52 versus 0 versus 0.61 +/- 1.66 versus 0.36 +/- 1.34, P = 0.11). Reinforcing these findings, the 11% flares during vaccination was similar to the 21% observed in the previous year (P = 0.46). Furthermore, the mean prednisone dose at study entry was comparable to the end of the study (2.86 +/- 3.06 versus 4.64 +/- 8.25 mg/day, P = 0.32). In addition, the frequency of immunosuppressive therapy during the vaccination period (11%) was alike to the 14% observed in the previous year before entry (P = 0.66). Hepatitis B vaccination was safe in inactive SLE patients with an adequate vaccine response rate.
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Affiliation(s)
- K A M Kuruma
- Rheumatology Division, School of Medicine of São Paulo University, São Paulo, Brazil.
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Dalmau J, Tüzün E, Wu HY, Masjuan J, Rossi JE, Voloschin A, Baehring JM, Shimazaki H, Koide R, King D, Mason W, Sansing LH, Dichter MA, Rosenfeld MR, Lynch DR. Paraneoplastic anti-N-methyl-D-aspartate receptor encephalitis associated with ovarian teratoma. Ann Neurol 2007; 61:25-36. [PMID: 17262855 PMCID: PMC2430743 DOI: 10.1002/ana.21050] [Citation(s) in RCA: 1613] [Impact Index Per Article: 94.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To report the autoantigens of a new category of treatment-responsive paraneoplastic encephalitis. METHODS Analysis of clinical features, neuropathological findings, tumors, and serum/cerebrospinal fluid antibodies using rat tissue, neuronal cultures, and HEK293 cells expressing subunits of the N-methyl-D-aspartate receptor (NMDAR). RESULTS Twelve women (14-44 years) developed prominent psychiatric symptoms, amnesia, seizures, frequent dyskinesias, autonomic dysfunction, and decreased level of consciousness often requiring ventilatory support. All had serum/cerebrospinal fluid antibodies that predominantly immunolabeled the neuropil of hippocampus/forebrain, in particular the cell surface of hippocampal neurons, and reacted with NR2B (and to a lesser extent NR2A) subunits of the NMDAR. NR2B binds glutamate and forms heteromers (NR1/NR2B or NR1/NR2A/NR2B) that are preferentially expressed in the adult hippocampus/forebrain. Expression of functional heteromers (not single subunits) was required for antibody binding. Eleven patients had teratoma of the ovary (six mature) and one a mature teratoma in the mediastinum; five of five tumors examined contained nervous tissue that strongly expressed NR2 subunits and reacted with patients' antibodies. Tumor resection and immunotherapy resulted in improvement or full recovery of eight of nine patients (paralleled by decreased antibody titers); two of three patients without tumor resection died of neurological deterioration. Autopsies showed extensive microgliosis, rare T-cell infiltrates, and neuronal degeneration predominantly involving, but not restricted to, the hippocampus. INTERPRETATION Antibodies to NR2B- and NR2A-containing heteromers of the NMDAR associate with a severe but treatment-responsive encephalitis. Our findings provide a diagnostic test and suggest a model of autoimmune NMDAR-related encephalitis with broad implications for other immune-mediated disorders of memory, behavior, and cognition.
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Affiliation(s)
- Josep Dalmau
- Department of Neurology, Division of Neuro-oncology, University of Pennsylvania, Philadelphia, PA 19104, USA.
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Sciascia SA, Robson K, Zhu L, Garland M, Grabosch S, Kelamis J, Messamore W, Bradley T, Sourk A, Westberg L, Goodnight W, Tongson K, Holloway N, Wardak Z, Sudyka M, Masrani S, Chintalapati S, Cagaanan M, Brown JC, Stetler DA. Immunization of nonautoimmune mice with DNA binding domains of the largest subunit of RNA polymerase I results in production of anti-dsDNA and anti-Sm/RNP antibodies. Autoimmunity 2007; 40:38-47. [PMID: 17364496 DOI: 10.1080/08916930601185550] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Antibodies against the N-terminal (NT) but not the basic domain (BD), DNA binding regions of the largest subunit (S1) of RNA polymerase I (RNAPI) were detected in the sera of MRL-lpr/lpr lupus mice. Antibodies against both RNAPI(S1)-NT and -BD, as well as other systemic lupus erythematosus (SLE) autoantigens (La, ribosomal P proteins and Sm/RNP) were produced by rabbits immunized with anti-DNA antibodies that had been affinity purified from SLE patients. Immunization of nonautoimmune mice (Balb/c) with RNAPI(S1)-NT, RNAPI(S1)-BD, or La in the form of GST fusion proteins, induced production of anti-double-stranded (ds) DNA and anti-Sm/RNP. GST-P1 did not induce an anti-dsDNA response in these mice. These results demonstrate that RNAPI(S1)-NT, RNAPI(S1)-BD and La can participate in an anti-autoantigen/anti-DNA antibody loop during an SLE-like autoimmune response.
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Affiliation(s)
- Sandra A Sciascia
- Department of Molecular Biosciences, University of Kansas. Lawrence, KS 66045, USA
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Abstract
PURPOSE OF REVIEW Systemic lupus erythematosus is a complex human disease likely influenced by a compilation of necessary, but not individually sufficient, features. Although many genetic and environmental factors are associated, this review will focus on the evolving evidence for key Epstein-Barr virus specific roles. RECENT FINDINGS Recent studies have shown additional molecular mimicry mechanisms between early events in lupus autoimmunity and specific Epstein-Barr virus responses. In addition, several recent papers have demonstrated increased Epstein-Barr viral load, increased numbers of latently infected peripheral B cells, impaired functional T cell responses, and association of the presence of Epstein-Barr virus DNA in systemic lupus erythematosus patients compared with controls. Additional work has continued to show association of various aspects of Epstein-Barr virus serology with systemic lupus erythematosus and a recent paper outlines differences in the pediatric systemic lupus erythematosus humoral immune response to Epstein-Barr virus nuclear antigen-1 compared with matched controls. SUMMARY This review will briefly outline the recent advances that show serologic, DNA, gene expression, viral load, T cell responses, humoral fine specificity, and molecular mimicry evidence for differences between systemic lupus erythematosus patients and controls and the impact that these findings have on understanding the role of Epstein-Barr virus in systemic lupus.
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Affiliation(s)
- Judith A James
- Arthritis and Immunology, Oklahoma Medical Research Foundation, 825 NE 13th Street, Oklahoma City, OK 73104, USA.
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