Recombinant human erythropoietin ( rhEPO), as a acid glycoprotein, had been regarded as a body fluid factor concerning promoting proliferation and differentiation of the blood ancestral cell. 重组人红细胞生成素(RecombinantHumanErythropoietin,rhEPO)是一种含唾液酸的酸性糖蛋白,可以促进造血祖细胞的增殖与分化。