The result suggested that HCY obviously inhibited more cell differentiation than proliferation.The teratogenic hazard of HCY may play an important role in the occurrence of neural tube defects.

• 上述结果说明HCY对大鼠胚胎中脑细胞分化的影响明显高于对细胞增殖的影响，它可能在HCY导致神经管畸形的过程中起重要作用。