Abstract:
:We have studied HLA-DQ encoded antigens from HLA-DRw6 homozygous cells and analyzed the DQ region at the DNA level. HLA-DQ molecules were isolated from EBV transformed B-cell lines and analyzed for DQ alpha and DQ beta polymorphism. From the same set of cells, DNA was isolated and analyzed for RFLP. Polymorphism could be detected by both techniques, i.e., on the protein level and on the DNA. The variation in pI of the DQ alpha and beta chains correlated with the polymorphism as detected by HTC typing, as did the variation in molecular weight of the bands hybridizing to DQ specific cDNA probes; identical patterns were detected for cells of one HLA-D specificity and different patterns for different HLA-D types. Additionally, DQ reactive PLT reagents were raised against DRw6 positive cells. Panel studies revealed that these DQ reactive proliferative T cells can discriminate between the polymorphic DQ antigens on cells with different HLA-D specificities.
journal_name
Hum Immunoljournal_title
Human immunologyauthors
Bosch ML,Fei H,Bontrop RE,Gerrets R,Tilanus MG,Termijtelen A,Giphart MJdoi
10.1016/0198-8859(87)90097-8subject
Has Abstractpub_date
1987-06-01 00:00:00pages
91-103issue
2eissn
0198-8859issn
1879-1166pii
0198-8859(87)90097-8journal_volume
19pub_type
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