Abstract
In the present pilot study, we investigated which proteins are produced after donor stimulation of peripheral blood mononuclear cells from recipients of HLA-identical living related kidney transplant. We used a protein-array analysis to determine cytokines, chemokines, and growth factors in supernatant from donor-stimulated mixed lymphocyte reaction cultures. Autologous cultures were considered to be negative controls. In 38 out of 42 proteins (90%), the donor response was higher compared with the autologous response. Therefore, we concluded that even after HLA-identical living related kidney transplantation we could measure a donor-reactive response, which we assumed was directed toward minor histocompatibility or non-HLA antigens.
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