Members of the ETS gene family are known to be expressed in other members of the ETS gene family may have crucial roles hematopoietic tissues and cell lines, and there is increasing in specific aspects of hematopoietic cell development. evidence that ETS proteins may play a role in normal hemato-The c-ETS-1 gene, the cellular homolog to v-ets, is poietic cell development. We demonstrate that ETS-1 can conexpressed primarily as two major transcripts of 6.8 and 2.7 kb, virus with erythroleukemia and with the regulation of