“…Accordingly, several studies have been devoted to the analysis of the early changes in major T cell subsets such as the CD4ϩ, CD8ϩ and CD4ϩCD29ϩ T lymphocytes in short-term follow-up periods (2,20,25). Other reports related these changes, particularly the presence of activated T cells, with rejection episodes (8,16). However, as far as we know, the relationship between the changes observed in PB lymphocyte subsets and the long-term graft outcome has not been previously analyzed systematically.…”