Abstract
Background. Experimental models indicate a certain role of T-regulatory lymphocytes in the induction of immunological tolerance. However, it is necessary to study their function and phenotype in more detail for the purposes of applying the mechanisms of tolerance induction. Objective. To assess the dynamics of CD3+CD4+CD25+ and CD3+CD4+CD25+highCD127+low indicators in renal transplant recipients with satisfactory early allograft function. Material and Methods. Kidney transplantation was performed in 197 recipients. We assessed CD3+CD4+CD25+ and CD3+CD4+CD25+highCD127+low level before the transplantation and on the 1st, 3rd, 7th, 30th and 90th days after the transplantation. The following groups of recipients were identified: PGF – those with satisfactory primary graft function, PGD – those with primary graft dysfunction, TR – those with transplant rejection in the early postoperative period. The comparison group (CG) consisted of healthy volunteers. Results. A significant increase in the relative and absolute level of CD3+CD4+CD25+highCD127+low from day 30 to 90 after surgery was revealed in recipients with a primary functioning graft. At the same time, CD3+CD4+CD25+ indicators in the recipients of the studied groups did not have significant differences throughout the study. Conclusions. CD3+CD4+CD25+highCD127+low monitoring can be used to identify patients with high tolerogenic potential.
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