PMID- 32636949 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20231111 IS - 2221-285X (Electronic) IS - 1818-0876 (Print) IS - 1818-0876 (Linking) VI - 15 IP - 3 DP - 2020 May TI - Redox dual-stimuli responsive drug delivery systems for improving tumor-targeting ability and reducing adverse side effects. PG - 311-325 LID - 10.1016/j.ajps.2019.06.003 [doi] AB - Cancer is a big challenge that has plagued the human beings for ages and one of the most effective treatments is chemotherapy. However, the low tumor-targeting ability limits the wide clinical application of chemotherapy. The microenvironment plays a critical role in many aspects of tumor genesis. It generates the tumor vasculature and it is highly implicated in the progression to metastasis. To maintain a suitable environment for tumor progression, there are special microenvironment in tumor cell, such as low pH, high level of glutathione (GSH) and reactive oxygen species (ROS), and more special enzymes, which is different to normal cell. Microenvironment-targeted therapy strategy could create new opportunities for therapeutic targeting. Compared to other targeting strategies, microenvironment-targeted therapy strategy will control the drug release into tumor cells more accurately. Redox responsive drug delivery systems (DDSs) are developed based on the high level of GSH in tumor cells. However, there are also GSH in normal cell though its level is lower. In order to control the release of drugs more accurately and reduce side effects, other drug release stimuli have been introduced to redox responsive DDSs. Under the synergistic reaction of two stimuli, redox dual-stimuli responsive DDSs will control the release of drugs more accurately and quickly and even increase the accumulation. This review summarizes strategies of redox dual-stimuli responsive DDSs such as pH, light, enzyme, ROS, and magnetic guide to delivery chemotherapeutic agents more accurately, aiming at providing new ideas for further promoting the drug release, enhancing tumor-targeting and improving anticancer effects. To better illustrate the redox dual-stimuli responsive DDS, preparations of carriers are also briefly described in the review. CI - (c) 2019 Published by Elsevier B.V. on behalf of Shenyang Pharmaceutical University. FAU - Li, Ruirui AU - Li R AD - School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China. FAU - Peng, Feifei AU - Peng F AD - School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China. FAU - Cai, Jia AU - Cai J AD - School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China. FAU - Yang, Dandan AU - Yang D AD - School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China. FAU - Zhang, Peng AU - Zhang P AD - School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China. LA - eng PT - Journal Article PT - Review DEP - 20190821 PL - Netherlands TA - Asian J Pharm Sci JT - Asian journal of pharmaceutical sciences JID - 101535338 PMC - PMC7327776 OTO - NOTNLM OT - Chemotherapy OT - Drug delivery system OT - Dual-stimuli responsive OT - Redox responsive OT - Tumor-targeting COIS- The authors report no conflicts of interest. The authors alone are responsible for the content and writing of this article. EDAT- 2020/07/09 06:00 MHDA- 2020/07/09 06:01 PMCR- 2019/08/21 CRDT- 2020/07/09 06:00 PHST- 2019/01/22 00:00 [received] PHST- 2019/03/28 00:00 [revised] PHST- 2019/06/20 00:00 [accepted] PHST- 2020/07/09 06:00 [entrez] PHST- 2020/07/09 06:00 [pubmed] PHST- 2020/07/09 06:01 [medline] PHST- 2019/08/21 00:00 [pmc-release] AID - S1818-0876(19)30119-9 [pii] AID - 10.1016/j.ajps.2019.06.003 [doi] PST - ppublish SO - Asian J Pharm Sci. 2020 May;15(3):311-325. doi: 10.1016/j.ajps.2019.06.003. Epub 2019 Aug 21.