TY - GEN AU - Sakaguchi,Shimon TI - The origin of FOXP3-expressing CD4+ regulatory T cells: thymus or periphery SN - 0021-9738 PY - 2003///1203 KW - Autoimmune Diseases KW - etiology KW - CD4-Positive T-Lymphocytes KW - immunology KW - DNA-Binding Proteins KW - genetics KW - Forkhead Transcription Factors KW - Humans KW - Receptors, Interleukin-2 KW - analysis KW - Thymus Gland N1 - Publication Type: Comment; Journal Article UR - https://doi.org/10.1172/JCI20274 ER -