TABLE 1.

Percentages of cells on day 4 of culture with or without IL-7

Cell type% cells at indicated stage on day 4a
DN4-likeDN1-like
−IL-7+IL-7−IL-7+IL-7
HEB+/+ Rag−/−
HEB−/− Rag−/−64.3 ± 11.235.7 ± 11.2
  • a Shown are results ± standard deviations for cultures with or without IL-7. DN4-like cells, CD27+ CD4 CD8 CD44 CD25; DN1-like cells, CD27+ CD4 CD8 CD44+ CD25; −IL-7, without IL-7; +IL-7, with IL-7; —, none surviving.