- Escape from thymic deletion and anti-leukemic effects of T cells specific for hematopoietic cell-restricted antigen.
Escape from thymic deletion and anti-leukemic effects of T cells specific for hematopoietic cell-restricted antigen.
Nature communications (2018-01-18)
Ji-Min Ju, Min Ho Jung, Giri Nam, Woojin Kim, Sehwa Oh, Hyun Duk Kim, Joo Young Kim, Jun Chang, Sung Hak Lee, Gyeong Sin Park, Chang-Ki Min, Dong-Sup Lee, Moon Gyo Kim, Kyungho Choi, Eun Young Choi
PMID29335408
ABSTRACT
Whether hematopoietic cell-restricted distribution of antigens affects the degree of thymic negative selection has not been investigated in detail. Here, we show that T cells specific for hematopoietic cell-restricted antigens (HRA) are not completely deleted in the thymus, using the mouse minor histocompatibility antigen H60, the expression of which is restricted to hematopoietic cells. As a result, low avidity T cells escape from thymic deletion. This incomplete thymic deletion occurs to the T cells developing de novo in the thymus of H60-positive recipients in H60-mismatched bone marrow transplantation (BMT). H60-specific thymic deletion escapee CD8
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