inhibition of cfu-e and bfu-e by human and porcine tgf beta 1 was similar , ranging from 17 to 73 % over a concentration range of 0.05 to 1.0 ng/ml , and was largely independent of the type of burst-promoting activity used ( ril-3 vs cell line 5637-conditioned medium ) .
C0086418
human
C1335621
ril