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抗腫瘤抗生素合成取得進展 阿霉素近日獲國家發明專利授權

   2011-05-10 7470
核心提示:中華化工網訊:由中科院長春應化所景遐斌研究員等人發明的具有靶向功能的高分子阿霉素鍵合藥納米膠囊及其制備方法,近日獲國家發
中華化工網訊:由中科院長春應化所景遐斌研究員等人發明的具有靶向功能的高分子阿霉素鍵合藥納米膠囊及其制備方法,近日獲國家發明專利授權。


  阿霉素為一種蒽環類抗腫瘤抗生素,目前臨床給藥多為靜脈滴注,但阿霉素不能透過血腦屏障。景遐斌課題組提出了采用生物降解高分子作為藥物輸送的載體,采用化學鍵合的方法,將藥物分子化學鍵合到高分子上,從而克服了傳統載藥膠束的初期暴釋問題,在此研究的基礎上進一步將靶向分子鍵合到納米膠束的外層,使其發揮“探針”的作用,尋找癌變細胞,達到靶向給藥的效果。這項發明開發了阿霉素的新藥物劑型,可以提高原藥的療效,降低原藥的毒副作用。高分子鍵合藥尤其是靶向鍵合藥的研究無論是在國內還是國際都屬于前沿性研究。

 
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