维生素a结合蛋白 meaning in English

vitamin a binding protein

Retinol - binding protein ( rbp ) is a carrier transporting vitamin a . it plays an important role in the distribution of vitamin a
维生素a结合蛋白是体内维生素a的转运蛋白，在维生素a的代谢中起重要作用。
To satisfy the need for cell differentiation , vision maintenance , reproduction and individual maturity , vitamin a is transported to target cell in a highly specific and regulated manner by combination with rbp and transthyretin . the fluctuation of rbp in blood circulation or urine could be observed due to some diseases
维生素a结合蛋白与维生素a及前白蛋白以1 ： 1 ： 1的比例结合形成复合物后，共同将维生素a从肝脏运送到靶组织以满足机体生长发育、视觉维护以及细胞分化等生命活动需要。
And it easily degraded . so it ' s difficult to isolate and purify rbp from human and animal plasma and urine of kidney patients . in order to study the structure - function of rbp , we produced rbp from escherichia coli by constructing engineering strain which can express rbp
维生素a结合蛋白在体内的含量很低，容易降解，从人或动物的血浆以及肾病综合征患者的尿中分离提取有活性的维生素a结合蛋白十分困难，极大的限制了对其结构、功能及代谢机制的研究，而且该蛋白价格昂贵，也不利于临床的广泛应用。