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A self-assembly and stimuli-responsive fusion gelonin delivery system for tumor treatment
Quan Liu,Lu Zhang,Xiuru Ji,Meong Cheol Shin,Shuping Xie,Baoyan Pan,Fei Yu,Jingwen Zhao,Victor C. Yang 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.89 No.-
Ribosome-inactivating proteins (RIPs) are potent protein toxins for cancer therapy, and they have strongability to inhibit protein synthesis and induce cell death via inactivation of ribosomes in eukaryotic cells. However, the delivery of RIPs has been a challenging task due to their large molecular weight and lack oftargeting property. Low molecular weight protamine (LMWP), a transmembrane peptide, has beenproved to effectively promote transmembrane transportation, whereas the enzyme-activatable systemcan enhance the specificity by enhancing the tumor drug concentration through enzymatic reaction. Weherein constructed a self-assembly and stimuli-responsive fusion gelonin delivery system. Gelonin, atypical RIP protein, was assembled with nickel ferrite nanoparticles by self-assembling between hexa-histidine tag (His-tagged) and nickel ions. Both in vitro and in vivo results indicated that the magneticnanoparticle carriers and the applied linkers did not damage the pharmaceutical effect of gelonin, andthe whole drug delivery system showed good biocompatibility, sensitive selectivity, and significantlyenhanced cytotoxic activity. This in turn presented theranostic nanoparticles as efficient delivery vehiclefor clinical use.
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