Zinc oxide (ZnO) has attracted a substantial interest in cancer research owing to their promising utility in cancer imaging and therapy. This study aimed to synthesized ZnO nanoflowers coated with albumin to actively target and the inhibit skin melanoma cells. We synthesized bovine serum albumin (BSA)-coated ZnO nanoflowers (BSA@ZnO NFs) and evaluated it's in vitro and in vivo therapeutic efficacy for skin cancer cells. BSA@ZnO NFs were prepared via single-step reduction method in the presence of plant extract (Heliotropium indicum) act as a capping agent, and further the successful fabrication was established by various physico-chemical characterizations, such as scanning electron microscopy (SEM), Fourier transform infra-red (FT-IR) spectroscopy, and x-rays diffraction (XRD) analysis. The fabricated BSA@ZnO NFs appeared flower like with multiple cone-shaped wings and average hydration size of 220.8 ± 12.6 nm. Further, BSA@ZnO NFs showed enhanced cellular uptake and cytocidal effects against skin cancer cells by inhibiting their growth via oxidative stress compared uncoated ZnO NFs. Moreover, BSA@ZnO NFs showed enhance biosafety, blood circulation time, tumor accumulation and in vivo tumor growth inhibition compared to ZnO NFs. In short, our findings suggesting BSA@ZnO NFs as a promising candidate for various types of cancer treatment along with chemotherapy.
Keywords: BSA; Cytotoxicity; Heliotropium indicum; ROS; Skin cancer; ZnO nanoflowers.
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