Abstract:
:Helper T cells are required for development of the autoantibody responses to native mouse erythrocytes (MRBC) that spontaneously develop in NZB mice. However, the stimulus for these Th is not known. Therefore, we compared the abilities of splenic T cells from actively autoimmune old NZB mice and preautoimmune, young NZB mice with those of T cells from nonautoimmune strains of mice to respond to autologous erythrocytes. We found that autologous RBC ghosts, washed free of haemoglobin, induced low, but statistically significant, proliferative responses in T cells from old NZB mice but not in T cells from young NZB or from normal young and old BALB/c mice. In addition, autologous RBC lysates induced proliferative responses detectable by 3H-thymidine uptake in T cells from nonautoimmune as well as autoimmune mice. CD4+ T cells accounted for most of the observed RBC lysate-induced proliferation, with virtually no response made by CD8+ T cells or B cells. T cells from actively autoimmune NZB mice were not more active in their responses to RBC lysates than T cells from normal strains of mice in terms of their level of proliferation, kinetics, or dose response. Haemoglobin was the major stimulus in the autologous RBC lysates and a similar stimulation was seen with lysates and haemoglobins from horse, human, and mouse sources. Haptoglobin, a haemoglobin-binding serum protein, inhibited T cell responses to haemoglobin and haemoglobin-containing RBC lysates but did not have the same effect on these responses in T cells from either young or old NZB mice. Therefore, either or both of the RBC stimuli from autologous RBC might account for the helper T cell activity in autoimmune NZB mice. T cells in normal mice do not respond either to RBC lysates in the presence of haptoglobin or to RBC ghosts.
journal_name
J Autoimmunjournal_title
Journal of autoimmunityauthors
Calkins CE,Esposito Mdoi
10.1006/jaut.1996.0062subject
Has Abstractpub_date
1996-08-01 00:00:00pages
453-62issue
4eissn
0896-8411issn
1095-9157pii
S0896-8411(96)90062-1journal_volume
9pub_type
杂志文章abstract::Among B/W-derived IgM mAb, 12.5H was selected because of its ability to recognize, in solid phase ELISAs, IgG mAb with DNA-binding activity. mAb 12.5H bound preferentially to IgG2a mAb and did not react with B/W- or BALB/c-derived IgG2a mAb with no DNA-binding activity, suggesting V region-mediated interactions. mAb 1...
journal_title:Journal of autoimmunity
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pub_type: 杂志文章,评审
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更新日期:1992-04-01 00:00:00
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pub_type: 杂志文章
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更新日期:1992-02-01 00:00:00
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pub_type: 杂志文章
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更新日期:1990-12-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章,评审
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更新日期:2013-10-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1006/jaut.1999.0280
更新日期:1999-06-01 00:00:00
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journal_title:Journal of autoimmunity
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更新日期:2010-11-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/s0896-8411(05)80011-3
更新日期:1990-08-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1006/jaut.2000.0438
更新日期:2000-12-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章,评审
doi:10.1016/0896-8411(89)90127-3
更新日期:1989-06-01 00:00:00
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journal_title:Journal of autoimmunity
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
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journal_title:Journal of autoimmunity
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更新日期:2013-03-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/j.jaut.2003.09.006
更新日期:2004-02-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/j.jaut.2016.07.006
更新日期:2016-12-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章,评审
doi:10.1006/jaut.1993.1015
更新日期:1993-04-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/0896-8411(89)90013-9
更新日期:1989-12-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1006/jaut.2001.0547
更新日期:2001-12-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/0896-8411(89)90117-0
更新日期:1989-06-01 00:00:00
abstract::Systemic lupus erythematosus (SLE) is a multi-organ autoimmune disease characteristized by the presence of autoantibodies against double-stranded DNA (anti-dsDNA) in sera at high levels. Bacterial infections in SLE are associated with higher morbidity and mortality. Our goal was to observe the interaction between thes...
journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/j.jaut.2010.07.007
更新日期:2010-12-01 00:00:00
abstract::Immunoblotting was optimized to detect autoantibodies to TSH receptors from human and porcine thyroid tissue and to determine their epitope specificity. Autoantibodies to putative TSH receptor proteins in thyroid particulate membranes were detected in approximately 35% of sera from patients with Graves' disease. Howev...
journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/0896-8411(91)90164-8
更新日期:1991-06-01 00:00:00
abstract::B-cell depletion therapy (BCDT) based on rituximab (RTX) induces clinical remission in a majority of seropositive patients with Rheumatoid arthritis (RA). However, all patients eventually relapse. The aim of this study was to determine whether dynamic changes in combinations of serological measures of B-cell activatio...
journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/j.jaut.2013.12.002
更新日期:2014-05-01 00:00:00