has_part has part has part develops_from develops from develops from immature alpha-beta T cell double-positive, alpha-beta thymocyte immature NK T cell immature NK T lymphocyte An immature alpha-beta T-cell that express Egr2. These cells give rise to T cells expressing NK markers. immature NK T-lymphocyte immature NKT cell immature NK T-cell Homo sapiens Homo sapiens early growth response protein 2