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Preparation of an Injectable Doxorubicin Surface Modified Cellulose Nanofiber Gel and Evaluation of Its Anti-Tumor and Anti-Metastasis Activity in Melanoma Publisher Pubmed



Alizadeh N1 ; Akbari V2 ; Nurani M1 ; Taheri A1
Authors

Source: Biotechnology Progress Published:2018


Abstract

Cellulose nanofibers (Cel-NFs) gel can be considered as a useful drug carrier because of its biocompatibility, high specific surface area, and high loading capacity of drugs. Injectable Cel-NFs gel could deliver doxorubicin (DOX) for localized chemotherapy of melanoma and suppress melanoma cells migration because of the physical barrier property of Cel-NFs. We prepared DOX surface modified Cel-NFs (DOX-Cel-NFs) gel by the electrostatic attachment of DOX molecules on the surface of Cel-NFs. The increase in the zeta potential of nanofibers and the changes in the FTIR spectra of DOX-Cel-NFs compared to Cel-NFs proved this attachment. DOX-Cel-NFs showed nano-fibrous structure with an average diameter of 22.32 ± 10.66 nm after analyzing using field emission scanning electron microscopy. The suitable injectability of DOX-Cel-NFs gel verified its promising application for the localized chemotherapy. DOX-Cel-NFs gel exhibited a sustained drug release manner. The cytotoxicity results showed that DOX-Cel-NFs were more cytotoxic against melanoma cancer cells than the free DOX during 48 h incubation period. Moreover, DOX-Cel-NFs gel can suppress the melanoma cancer cells migration efficiently. Thus our results emphasize the potential of DOX-Cel-NFs gel as a chemotherapeutic agent for local delivery of DOX in order to treat melanoma and prevent its metastasis. © 2018 American Institute of Chemical Engineers Biotechnol. Prog., 34:537–545, 2018. © 2018 American Institute of Chemical Engineers
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