造血作用

Not only regulated by cytokines,hematopoietic cells proliferation and differentiation is also closely associated with cell cycleregulators. Proliferation cell nuclear antigen is an important cell cycle regulatory proteinand the key factor driving cells into S-phase from G_1-phase, and also plays an important role inregulating haematopoiesis.

增殖细胞核抗原(proliferationg cell nuclear antigen，PCNA)是重要的细胞周期调控蛋白，是促进细胞从G_1期进入S期的关键因素，其在造血细胞增殖发育过程中也发挥重要作用。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。