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INHIBITING AGENT FOR INHIBITION OF ANGIOGENESIS, A METHOD FOR PREPARING THE AGENT, A METHOD FOR MODIFYING THE AGENT AND ITS USE FOR MANUFACTURING A MEDICAMENT FOR TREATING TUMOR
INHIBITING AGENT FOR INHIBITION OF ANGIOGENESIS, A METHOD FOR PREPARING THE AGENT, A METHOD FOR MODIFYING THE AGENT AND ITS USE FOR MANUFACTURING A MEDICAMENT FOR TREATING TUMOR
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机译：抑制血管生成的药物，药物的制备方法，药物的修饰方法及其在制备治疗肿瘤的药物中的用途
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摘要
a highly efficient antiangiogenesis agent, which is a polypeptide for inhibition of angiogenesis Ile-Val-Arg-Arg-Ala-Asp-Arg-Ala-Ala-Val-Pro, connected with a polypeptide containing Arg-Gly-Asp on its one end or two ends is provided. The inhibiting agent can be synthesized or gene engineered. It also relates to a physiochemical method for modifying the antiangiogenesis agent. Polypeptides with weight percentage of 1-70% preferably about 20-50% are mixed with 20%-95% polyethylene glycol, or heparin, or dextran, or polyvinylpyrrolidone, or polyethylene glycol-poly-amino acid copolymer, or palmitic acid or poly-sialic acid or liposomes solutions; preferably about 50-93% of the above modified substances are fully mixed even and shaken at a shaker at 4° C.-40° C., preferably 25° C.-37° C. for more than 10 min, and the modified substances are separated through appropriate methods. Furthermore, it still relates to the use of the above polypeptides and the polypeptide modified substances for manufacturing medicaments for treating human solid tumors.
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