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胚胎发育过程中。位于细胞表面脂糖和糖蛋白中的碳水化合物链经厉一个连续而复杂的复化过程。用多种抗碳水化合物单克隆抗体研究证明:这种变化在于主结构的组合、分枝类型及末端结构的修饰上。内层细胞群和胚胎外层多能细胞表达墨角藻糖基化2型链上的Le~x
Embryonic development. The carbohydrate chains in the cell surface glycans and glycoproteins undergo a continuous and complex complexation process. Studies with a variety of anti-carbohydrate monoclonal antibodies demonstrated that this change lies in the combination of the primary structure, the type of branch, and the modification of the terminal structure. The inner cell population and the outer layer of embryonic pluripotent cells express Le ~ x on fucosylated glycosylated 2-type chains