Abstract:
:In organ transplantation, alloantigens are taken up by antigen presenting cells and presented via the indirect pathway to T-cells which in turn can induce allograft rejection. Monitoring of these T-cells is of major importance; however no reliable assay is available to routinely monitor indirect allorecognition. Recently we showed that HLA monomers can be successfully used to monitor indirect allorecognition. Targeting antigens to endocytic receptors on antigen presenting cells may further enhance the presentation of antigens via HLA class II and improve the efficiency of this assay. In the current study we explored targeting of HLA monomers to either CD89 expressing monocytes or mannose receptor expressing dendritic cells. Monomer-antibody complexes were generated using biotin-labeled monomers and avidin labeling of the antibodies. We demonstrate that targeting the complexes to these receptors resulted in a dose-dependent HLA class II mediated presentation to a T-cell clone. The immune-complexes were efficiently taken up and presented to T-cells. However, the level of T-cell reactivity was similar to that when only exogenous antigen was added. We conclude that HLA-A2 monomers targeted for presentation through CD89 on monocytes or mannose receptor on dendritic cells lead to proper antigen presentation but do not enhance indirect allorecognition via HLA-DR.
journal_name
J Immunol Resjournal_title
Journal of immunology researchauthors
Breman E,Ruben JM,Franken KL,Heemskerk MH,Roelen DL,Claas FH,van Kooten Cdoi
10.1155/2016/4215684subject
Has Abstractpub_date
2016-01-01 00:00:00pages
4215684eissn
2314-8861issn
2314-7156journal_volume
2016pub_type
杂志文章abstract::Dendritic cells (DCs) are major immune components, and depending on how these cells are modulated, the protective host immune response changes drastically. Trypanosoma cruzi is a parasite with high genetic variability and modulates DCs by interfering with their capacity for antigen recognition, migration, and maturati...
journal_title:Journal of immunology research
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journal_title:Journal of immunology research
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journal_title:Journal of immunology research
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journal_title:Journal of immunology research
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更新日期:2018-07-02 00:00:00
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journal_title:Journal of immunology research
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journal_title:Journal of immunology research
pub_type: 杂志文章
doi:10.1155/2015/369462
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journal_title:Journal of immunology research
pub_type: 杂志文章
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abstract::Cationic protein is a cytotoxic protein secreted by eosinophils and takes part in the damage of airway epithelium in asthma. Poly-L-arginine (PLA), a synthetic cationic protein, is widely used to mimic the biological function of the natural cationic protein in vitro. Previous studies demonstrated the damage of the air...
journal_title:Journal of immunology research
pub_type: 杂志文章
doi:10.1155/2018/3651743
更新日期:2018-06-14 00:00:00
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journal_title:Journal of immunology research
pub_type: 杂志文章
doi:10.1155/2015/983094
更新日期:2015-01-01 00:00:00
abstract::Bullous systemic lupus erythematosus (BSLE) is an autoantibody-mediated vesiculobullous disease in patients with SLE. Autoimmunity in BSLE is characterized by the presence of circulating anti-type VII collagen antibodies. BSLE patients often present with multiple, tense, clear fluid-filled vesicles and bullae overlyin...
journal_title:Journal of immunology research
pub_type: 杂志文章,评审
doi:10.1155/2015/167064
更新日期:2015-01-01 00:00:00
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journal_title:Journal of immunology research
pub_type: 杂志文章,评审
doi:10.1155/2014/565320
更新日期:2014-01-01 00:00:00
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journal_title:Journal of immunology research
pub_type: 杂志文章
doi:10.1155/2020/2614317
更新日期:2020-01-23 00:00:00
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journal_title:Journal of immunology research
pub_type: 杂志文章
doi:10.1155/2018/8174340
更新日期:2018-04-05 00:00:00
abstract::Although it is known that systemic form of lupus erythematosus (LE) and metabolic syndrome (MetS) are frequently observed together, there are no published reports on MetS in patients with skin-restricted LE. We aimed to compare the frequencies of MetS and its components in discoid LE (DLE) with the non-DLE control gro...
journal_title:Journal of immunology research
pub_type: 杂志文章
doi:10.1155/2017/3972706
更新日期:2017-01-01 00:00:00
abstract::Circulating T follicular helper (cTfh) cells are known to be involved in numerous immune-mediated diseases, but their pathological role in psoriasis is less fully investigated. Herein, we aimed to identify whether cTfh cells contributed to the pathogenesis of psoriasis. The frequency and function of cTfh cells were co...
journal_title:Journal of immunology research
pub_type: 杂志文章
doi:10.1155/2016/7346030
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abstract:Background:Diagnostic criteria for Sjögren's syndrome (SS) are continually being updated in pursuit of more precise and earlier diagnosis to prevent its complications. Owing to the high rate of false negative traditional serological markers, the need for better serological testing remains. Objective:To investigate the...
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journal_title:Journal of immunology research
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doi:10.1155/2014/431896
更新日期:2014-01-01 00:00:00
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更新日期:2014-01-01 00:00:00
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journal_title:Journal of immunology research
pub_type: 杂志文章
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更新日期:2019-09-04 00:00:00
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journal_title:Journal of immunology research
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更新日期:2018-06-11 00:00:00
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更新日期:2018-08-12 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章
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