as opposed to an inhibitory effect , we found that the conditioned medium ( cm ) from fea or fea/felv increased the in vitro growth of multiple hematopoietic progenitor cell types including erythroid burst-forming cells ( bfu-e ) , granulocyte/macrophage colony-forming cells , megakaryocytic colony-forming cells , and mixed-cell colony-forming cells .
C0016030
fea
C0007634
cells