organism: Mus musculus
attributes.tag: source_name
attributes.value: Double-negative developing thymocytes gated for CD4-, CD8-, CD3-, B220-, CD25high, CD44low, CD117low, CD27high, CD28low expression
attributes.tag: cell population
attributes.value: DN3a CD27low
attributes.tag: facs run
attributes.value: 1
attributes.tag: strain
attributes.value: C57BL/6
attributes.tag: Sex
attributes.value: pooled male and female