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In Vivo Evaluation of Reduction-Responsive Alendronate-Hyaluronan-Curcumin Polymer-Drug Conjugates for Targeted Therapy of Bone Metastatic Breast Cancer.

Kaili WangChunjing GuoXue DongYueming YuBingjie WangWanhui LiuDaquan Chen
Published in: Molecular pharmaceutics (2018)
Many cancers, such as human breast cancer and lung cancer, easily metastasize to bones, leading to the formation of secondary tumors in advanced stages. On the basis of the CD44-targeted effect of oHA and the bone-targeted effect of ALN, we prepared a reduction-responsive, CD44 receptor-targeting and bone-targeting nanomicelle, called CUR-loaded ALN-oHA-S-S-CUR micelles. In this study, we aimed to evaluate the antitumor activity and bone-targeting ability of CUR-loaded ALN-oHA-S-S-CUR micelles. The in vivo experiment results showed that a larger number of micelles was gathered in the bone metastatic tumor tissue and reduced the bone destruction. The CUR-loaded ALN-oHA-S-S-CUR micelles markedly inhibited the tumor growth. So the CUR-loaded ALN-oHA-S-S-CUR micelles constitute a promising drug delivery system for bone tumor therapy.
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