已经证明，叶酸代谢也需要钾。
遗传因素中包括细胞增殖因子、转录因子及影响叶酸代谢的关键酶的基因。
The genetic factors include cell growth factors, transformation factors and key enzymic genes involved in folate metabolism.
结论：PM X能诱导NTD的发生，其机制可能是因为PMX阻断了叶酸代谢通路并导致神经上皮细胞的增殖抑制和过度凋亡。
Conclusion: NTD embryos were induced by PMX, the mechanism of which might be PMX inhibited folate metabolism pathway and led to decreased cellular proliferation and excessive cellular apoptosis.
在维生素b1，维生素b12和叶酸，因为它们都包含在同型半胱氨酸的氨基酸代谢的重要作用。
The vitamins B1, B12 and folic acid are included due to their essential role in the metabolism of the amino acid homocysteine.
叶酸在特异性结合蛋白——叶酸结合蛋白(fbp)的作用下，完成其吸收、转运、代谢等一系列生理过程。
The physiologic process of folic acid, including absorbing, transporting, and metabolism, were mediated by a specific binding protein-folate binding protein (FBP).
结论：低叶酸、维生素b12水平和高同型半胱氨酸水平与随访中抑郁的发生相关，支持单碳物质代谢与抑郁的病因相关。
Conclusion: lower folate, lower vitamin B12 and raised homocysteine levels predicted incident depression, supporting an aetiological role of one-carbon metabolism.
四氢叶酸（THF）辅酶是生物合成与细胞代谢的过程中一碳单元转移的载体。
Tetrahydrofolate(THF) cofactor is the carrier of one-carbon unit on biosynthesis and cell metabolize.
叶酸：一种维生素B复合体，为动物代谢所必需，也是细菌所需要的一种生长因子。
Folic acid or folate: Organic compound essential to animal growth and health and needed by bacteria as a growth factor.
叶酸：一种维生素B复合体，为动物代谢所必需，也是细菌所需要的一种生长因子。
Folic acid or folate: Organic compound essential to animal growth and health and needed by bacteria as a growth factor.
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