angiogenin 单链结构的多肽,由人肺中得到的血管生长素由123个氨基酸组成,分子量近14 000,35%的氨基酸与胰腺的RNase相似,在兔角膜中,50ng就能促进血管形成。它对于核糖核苷酸酶的某些传统底物,如小麦胚芽RNA,Poly C等都没有活性。然而人胎盘中RNase抑制剂能破坏血管生长素的活性。它不与肝素结合。
目的制备高活性的可溶性抗人血管生长素噬菌体基因工程抗体。
Objective To prepare the high effective and soluble genetic engineering antibody of anti-human angiogenin.
鲨鱼有强壮的,复杂的免疫系统,包括软骨中的血管生长素抑制物。
Sharks have strong, complex immune systems that include an angiogenin inhibitor in their cartilage.
目的观察大鼠局灶性脑缺血-再灌注模型血管生长素(ang)表达水平的变化及其与胶质纤维酸性蛋白(GFAP)的共表达现象。
Objective To discuss the changes of angiogenin (ang) expression levels and its coexpression with the glial fibrillary acidic protein (GFAP) in focal cerebral ischemia-reperfusion model in rats.
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