Bone Marrow Culture in Fluid Medium II. The influences of aminoacids

Some aminoacids could accelerate erythropoiesis of the bone marrow, especially the synthesis of hemoglobin. But aminoacids are not used as the components of hemoglobin, but they play a roll as the hemoglobinsynthesis accelerating factor. And the acceleration of hemoglobinsynthesis was extreme by addition of phenylalanine, tryptophane, histidine or valine. Cysteine, leucine, isoleucine, methionine, Paniltin or Minophagen C showed no effects