한빛사논문
Eunkyeong Junga, Nanhee Songa, Yujin Leea, Gayoung Kwona, Soonyoung Kwona, Dongwon Leea,b,*
a Department of Bionanotechnology and Bioconvergence Engineering, Jeonbuk National University, Jeonju, Jeonbuk, 54896, Republic of Korea b Department of Polymer Nano Science and Technology, Jeonbuk National University, Jeonju, Jeonbuk, 54896, Republic of Korea
* Corresponding author.
Abstract
Self-assembling prodrugs are able to form stable nanoparticles without additional excipients and therefore have gained increasing interest in the field of drug delivery. As a natural derivative of vitamin A, all-trans retinoic acid (atRA) exerts antioxidant, anti-inflammatory, and immunostimulatory effects. However, the clinical translation of atRA has been hampered by its insufficient therapeutic efficacy. In this work, to fully maximize the therapeutic potential of atRA, we developed delicately designed self-assembling RABA (atRA-based hybrid prodrug) as a hybrid prodrug of atRA and hydroxybenzyl alcohol (HBA). RABA could form nanoassemblies and decompose to release atRA and HBA simultaneously in response to hydrogen peroxide (H2O2). In a mouse model of hepatic ischemia/reperfusion (IR) injury, RABA nanoassemblies accumulated in liver preferentially and exerted highly potent antioxidant, anti-inflammatory, and antiapoptotic effects, leading to effective protection of liver from IR injury. RABA nanoassemblies exhibited significantly higher therapeutic efficacy than the combination of equivalent atRA and HBA. Given its H2O2-responsiveness, self-assembling and self-immolating behaviors, and cooperative therapeutic actions, RABA nanoassemblies have great potential as a pure nanodrug for hepatic IR injury. This study also provides a new valuable addition in the development of prodrug self-assemblies that will emerge as next generation of drugs.
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