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FUSION PROTEIN, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF IN PREPARING OPHTHALMIC DISEASE TREATMENT,ANTI-INFLAMMATION AND ANTI-TUMOR MEDICAMENT
FUSION PROTEIN, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF IN PREPARING OPHTHALMIC DISEASE TREATMENT,ANTI-INFLAMMATION AND ANTI-TUMOR MEDICAMENT
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机译:融合蛋白,其制备方法及其应用在制备眼科疾病治疗,抗炎和抗肿瘤药物中的应用
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摘要
The invention discloses a fusion protein, a preparation method thereof and application thereof in preparing ophthalmic disease treatment, anti-inflammation and anti-tumor medicament, and belongs to the field of biopharmaceutical technology. The present invention uses a flexible (F) or rigid (R) linker to fuse two polypeptides to respectively obtain two bifunctional fusion proteins, namely two multi-functional fusion protein macromolecules obtained by linking antiangiogenesis polypeptides HM-3, IL-4 and immunoglobulin Fc fragments via an amino acid linker, which can improve drug efficacy, prolong half-life and enhance stability, has the characteristics of strong effect, low toxicity and the like, and can be used for the prevention and treatment of solid tumors and various types of inflammations and neovascular ophthalmic diseases. The fusion protein is expressed in a eukaryotic cell by a genetic engineering method and purified by affinity chromatography or the like.
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