Owing to the ubiquitous availability and simple biocatalysis, the anti-proliferative laccase holds enormous opportunities for anti-cancer applications. However, accessing efficient and specific (super-magnetically targetable) new delivery system for anti-proliferative laccase is vital step towards laccase based anti-cancer approach. Therefore, in this investigation, super-magnetized (FeO) and chitosan (CS) functionalized halloysite nanotubes (HNTs) (termed as FeO-HNTs-CS) was facile synthesized. Further, laccase from Trametes versicolor was immobilized on FeO-HNTs-CS (termed as FeO-HNTs-CS-Lac). Then free laccase and FeO-HNTs-CS-Lac were evaluated for anti-proliferative properties against cancer cell lines of liver (HepG2), lung (H460), cervix (Hela) and stomach (AGS). Laccase and FeO-HNTs-CS-Lac gave significant cytotoxicity against all studied cancer cell lines. Moreover, the apoptosis analysis and FE-SEM morphology observations of cells support the anti-proliferative potential of laccase immobilized on FeO-HNTs-CS. Therefore, investigated FeO-HNTs-CS-Lac is natural and super-magnetic nano-biocatalyst, having the significant anti-proliferative potential and furthermore, FeO-HNTs-CS can be used as efficient and specific delivery system for other anti-cancer enzymes.
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| http://dx.doi.org/10.1016/j.ijbiomac.2018.06.074 | DOI Listing |
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