Table 2.

Assays to detect allogeneic antigens.

Assay	Target antigen
Frequency of cytotoxic T lymphocyte precursor	MHC class I
Frequency of helper T lymphocyte precursor	MHC class II
Mixed lymphocyte reaction (MLR), modified MLR	MHC class II
Regulatory T lymphocyte MLR	MHC class II
MLR-ELISPOT for interferon-γ	MHC class I and II (MiHA)