The use of dermal antigen testing in predicting the outcome of renal transplantation

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Abstract
Summary: The responses to dermal antigen testing to a variety of antigens were measured in patients on regular dialysis. Forty-eight patients have received renal allografts and graft survival was assessed at 6 months. The antigens used were mumps, monilia, streptokinase/streptodornase, tuberculin and dinitrochlorobenzene (DNCB). The responses to these antigens were recorded using standard methodology. The responses failed to correlate with graft survival in these patients when compared singly or in combination. Matching at the HLA-B locus was also correlated with graft survival. Of 31 patients with a match at this locus, 22 (71 per cent) have functioning grafts at 6 months, compared with only 4 of 13 (31 per cent) of patients with no match at the B locus (P < 0·05). When matching at the B locus and DNCB scores were taken in combination, it became evident that those patients with no match at the B locus and low DNCB reactivity all rejected their kidneys within 4 months of transplantation.