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. 2017 Apr;17(4).
doi: 10.1002/mabi.201600262. Epub 2016 Oct 20.

Use of 5-Fluorouracil Loaded Micelles and Cisplatin in Thermosensitive Chitosan Hydrogel as an Efficient Therapy against Colorectal Peritoneal Carcinomatosis

Qin Yun  1 , Si Song Wang  2 , Shan Xu  1 , Jin Ping Yang  1 , Juan Fan  1 , Ling Lin Yang  1 , Yue Chen  3 , Shao Zhi Fu  1 , Jing Bo Wu  1
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Use of 5-Fluorouracil Loaded Micelles and Cisplatin in Thermosensitive Chitosan Hydrogel as an Efficient Therapy against Colorectal Peritoneal Carcinomatosis

Qin Yun et al. Macromol Biosci. 2017 Apr.

Abstract

Colorectal peritoneal carcinomatosis (CRPC) is a common systemic metastasis of intra-abdominal cancers. Intraperitoneal chemotherapy against CRPC is at present the preferred treatment. The aim of this study is to develop a novel hydrogel drug delivery system through the combination of 5-fluorouracil (5-FU) loaded polymeric micelles and cisplatin (DDP) in biodegradable thermosensitive chitosan (CS) hydrogel. The prepared CS hydrogel drug is a free-flowing solution at room temperature and forms a stationary gel at body temperature. Therefore, a CRPC mouse model is established to investigate the antitumor activity of CS hydrogel drug system. The results suggest that intraperitoneal administration of CS hydrogel drug can inhibit tumor growth and metastasis, and prolong survival time compared with other groups, thus improving the chemotherapeutic effect. Ki-67 immunohistochemical analysis reveals that tumors in the CS hydrogel drug group has lower cell proliferation in contrast to other groups (P < 0 VSports手机版. 001). Furthermore, hematoxylin-eosin staining of liver and lung tissue indicates that the CS hydrogel drug has also a certain inhibitory effect on colorectal cancer metastasis to the liver and lung. Hence, the work highlights the potential clinical applications of the CS hydrogel drug. .

Keywords: 5-fluorouracil; chitosan; cisplatin; colorectal peritoneal carcinomatosis; thermosensitive hydrogel V体育安卓版. .

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