RGD修饰的HV12p-rPA脂质体体内血栓靶向初探
首发时间:2014-03-27
摘要:目的:检测给药后动脉血栓模型大鼠血浆D-二聚体的含量变化,初步探索RGD修饰的HV12p-rPA脂质体体内靶向溶栓活性。 方法:将制备所得RGD修饰的HV12p-rPA脂质体,与未修饰脂质体及游离药物对比,均采用免疫比浊法检测血栓模型大鼠血浆中D-二聚体含量,比较评价修饰脂质体的靶向溶栓效果。结果:各组大鼠在给药后血浆D-二聚体含量均先升高再下降,但游离组在2h后出现再次升高,脂质体组和RGD靶向脂质体组则趋于平稳,且后者含量更低。结论:体内药效学实验证实制备的RGD修饰HV12p-rPA血栓脂质体具有靶向溶栓活性。
关键词: 微生物与生化药学 HV12p-rPA融合蛋白; 靶向脂质体; 药效学 体内溶栓 ;D-二聚体
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The Study on the thrombosis targeted role in vivo of the RGD modified HV12p-rPA liposome
Abstract:Objectives : detect d-dimer content change of arterial thrombosis model rat plasma after the treatment, and study the thrombosis targeted role in vivo of the RGD modified HV12p-rPA liposome .Methods: detect the plasma d-dimer content of thrombi model rats by immune turbidimetry method to compare targeting thrombolysis effect of modified liposome group,unmodified liposome group and free drug group . Result: after the treatment, plasma d-dimer content of each group increased at first, then got down .The free group rose again 2 hours later, but liposome group and RGD modified HV12p-rPA liposome group trended to be steady, and the latter was lower. Conclusion: The pharmacodynamics experiment in vivo proved the targeted thrombolysis role of targeting liposome.
Keywords: Microbial and Biochemical Pharmacy; HV12p-rPA targeted liposome pharmacodynamics; thrombolysis in vivo D - dimer
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