Restimulation properties of cloned alloactivated lymphocytes: Detection of a novel type of HLA-D/DR region determinant and allelic subtypes for HLA-Dw3 using cloned reagents

作者: G. Pawelec , A. Rehbein , P. Kahle , C. Müller , P. Wernet

DOI: 10.1016/0198-8859(81)90033-1

关键词: EpitopeAntigenLymphocytePriming (immunology)Human leukocyte antigenPan-T antigensMolecular biologyGrowth factorBiologyTyping

摘要: Lymphocytes alloactivated by Dw3 homozygous typing cells were cloned the method of limiting dilution and cultured for prolonged periods using T-cell growth factor irradiated pooled leukocytes (as feeder cells). Restimulation specificity two clones functioning as primed lymphocyte reagents was investigated in panel family studies. Cells from one (12-2) always specifically stimulated HLA-Dw3 antigens shared between original priming stimulating cells. In an informative KOH, however, this clone seemed to detect a split cluster. other (12-8) failed respond expressed or cells; rather, restimulation be associated with expression Dw4 antigens. Family segregation analysis did not support conclusion since products segregated three Dw3-bearing haplotypes none Dw4-bearing haplotypes. This suggested that 12-8 may responsive different those detected

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