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1.
Vet Immunol Immunopathol ; 80(1-2): 5-23, 2001 Jul 20.
Article in English | MEDLINE | ID: mdl-11445215

ABSTRACT

The aim of the Third International Workshop on Swine Leukocyte Differentiation Antigens (CD workshop), supported by the Veterinary Immunology Committee (VIC) of the International Union of Immunological Societies (IUIS), was to standardize the assignment of monoclonal antibodies (mAb) reactive with porcine leukocyte differentiation antigens and to define new antibody clusters, using nomenclature in accordance with human and ruminant CD nomenclature, as agreed at the summary meeting of the Second International Swine CD Workshop in Davis, 1995: only mAb with proven reactivity for the orthologous porcine gene product or cross-reactivity for the human gene products, were given the full CD nomenclature, all other allocations were prefixed with "w". As in previous workshops, the overall organization was entrusted to the chair and first author, with support by the chair of the previous workshop and second author. In addition to the existing 26 pig leukocyte CD/SWC determinants established in previous workshops, this workshop established/confirmed another 11 CDs for pig leukocytes, identified by a total of 21 mAb: CD11R1 (2 mAb), CD11R2 (1 mAb), CD11R3 (4 mAb), wCD40 (1 mAb), wCD46 (4 mAb), wCD47 (3 mAb), wCD49d (1 mAb), CD61 (1 mAb), wCD92 (1 mAb), wCD93 (1 mAb) and CD163 (2 mAb).


Subject(s)
Antigens, CD , Leukocytes/immunology , Swine/immunology , Animals
2.
Vet Immunol Immunopathol ; 80(1-2): 35-52, 2001 Jul 20.
Article in English | MEDLINE | ID: mdl-11445217

ABSTRACT

Fifty-seven monoclonal antibodies (mAb) selected after the first round analyses in the Third International Swine CD workshop for their possible reactivity with T-lymphocyte specific antigens were further analysed in a second round. As target cells for flow cytometric analyses served peripheral blood mononuclear cells, nylon-wool enriched T-lymphocytes, thymocytes, splenocytes, and lymphocytes derived from Peyer's patches. These second round analyses revealed 15 different data sets. Together with 22 pre-selected data sets from the first round analyses with the whole panel of monoclonal antibodies, 37 data sets were used for the clustering of the respective mAb. Using the LTDB4 program, 19 preliminary clusters could be defined. Two clusters (C3 and C7) with 4 mAb showed no labelling of resting T-lymphocytes. Seven clusters (C1, C2, C4, C5, C6, C11, and C12) contain mAb (in total: 16 mAb) directed against subsets of CD4(-)CD8(-) T-lymphocytes. These mAb seem to recognise antigens on porcine T-lymphocytes with T-cell receptor (TcR) gamma/delta chains. Three clusters (C8, C9, C10, C13) seem to be artificial. They contain either mAb staining CD4(-)CD8(-) T-lymphocytes and low CD8+ cells (C8, C9), mAb with various reactivity (C10) and mAb with known differences in their reactivity (C13). Cluster C14 contains 3 mAb against the CD4a-epitope, C15 describes mAb directed against porcine CD8c-epitope whereas mAb against CD8a and CD8b-epitopes grouped in C19. The mAb found in C16 seem to recognise CD45R. Cluster C17 is composed of different standards directed against CD2, CD3, CD5 and wCD6. Two additional mAb recognising the CD2a-epitope could be enclosed. C18 contains two mAb directed against SWC2.


Subject(s)
Antibodies, Monoclonal , Swine/immunology , T-Lymphocytes/immunology , Animals , Antigens, CD , CD4 Antigens , CD8 Antigens , Cluster Analysis , Leukocyte Common Antigens , T-Lymphocyte Subsets/immunology
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