Blood CD25+CD127–FoxP3+ Treg subsets in AILD patients are comprised of approximately 60% effector memory (CD45RA–CCR7–), 15–20% central memory (CD45RA–CCR7+) and 15–20% naive (CD45RA+CCR7+) populations. This evidence concerns the gene CCR7 and angioimmunoblastic T-cell lymphoma.