Whereas prior acute GVHD impaired Treg reconstitution, Treg subsets (absolute numbers and frequencies relative to CD4 + T-cell subsets) at 3, 6 and 12 months after HSCT were not associated with ...

CD4-positive T cells are a subtype of lymphocyte ... seen in HIV infection is the depletion of this subset of T cell. A healthy immune system is tolerant to self-antigens while maintaining ...