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Phytofabrication of cupric oxide nanoparticles using Simarouba glauca and Celastrus paniculatus extracts and their enhanced apoptotic inducing and anticancer effects

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Abstract

Cupric oxide nanoparticles (CuO NPs) were phytofabricated utilizing leaf extract of Simarouba glauca and aerial extract of Celastrus paniculatus and are considered to hold excellent anticancer capability. Synthesized CuO NPs were characterized for their morphology, crystallinity, and structure. The presence of functional groups of phytochemicals on synthesized nanoparticles was validated by Fourier transform infrared spectroscopy (FTIR) analysis. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) examination reveal the uniform distribution of particles and the average particle size is 35 nm. The anticancer activities on MCF-7 and HT-29 cell lines revealed that CuO NPs synthesized using leaf extract of S. glauca (CuO-SG) induced cell death with half-maximal inhibitory concentration (IC50) value of 107.56 µg/mL and 208.57 µg/mL, while CuO NPs synthesized using the aerial extract of C. paniculatus (CuO-CP) indicated IC50 values of 97.39 µg/mL and 205.11 µg/mL, respectively. To be more precise for anti-cancerous effect, the molecular mechanism was examined in MCF-7 cell line treated with CuO-CP NPs by cell cycle analysis that depicted 75.28% of cell arrest in Sub G0/G1 phase and 71.29% of cells were gated in the late apoptotic phase of Annexin V and propidium iodide (PI) compared to control cells. The present work reports in vivo antitumor studies of CuO-CP NPs against Ehrlich ascites carcinoma (EAC) bearing C57 mice for the first time and was examined by variations in growth parameters, biochemical assays, hematological profile, and histopathological analysis. CuO-CP NPs could eliminate oxidants like lactoperoxidase and myeloperoxidase, stimulate reduced glutathione, restore the hematological profile and increase the life span of tumor-bearing mice treated by them in comparison with control.

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Acknowledgments

The authors are thankful to Vision Group on Science and Technology, Department of IT, BT and S&T, Government of Karnataka for financial assistance to the Department of Nanotechnology under the K-FIST scheme. Authors are also grateful to UGC for the BSR faculty fellowship to KSR (grant no.F.18-1/2011 (BSR)), Institute of Excellence (IOE) for spectral support at the University of Mysore, Manasagangotri, Mysuru-570006, India. Authors acknowledge the support extended by the expert Plant Taxonomist, Dr. K. Ravikumar, Professor, TDU & Asst. Director for FRLH Herbarium and Raw Drug Repository, FRLHT, Bengaluru for guidance in identifying the plant materials and providing the herbarium certificate for the same and Dr. Takashi Morii, Dr. Arivazhagan Rajendran, and Dr. Shun Nakano, Institute of Advanced Energy, Kyoto University, Uji, Japan, for providing facility to perform TEM analysis.

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Correspondence to Ismail. M. Shareef, Rangappa Kanchugarakoppal Subbegowda or Prasanna Doddakunche Shivaramu.

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Giridasappa, A., Rangappa, D., Shanubhoganahalli Maheswarappa, G. et al. Phytofabrication of cupric oxide nanoparticles using Simarouba glauca and Celastrus paniculatus extracts and their enhanced apoptotic inducing and anticancer effects. Appl Nanosci 11, 1393–1409 (2021). https://doi.org/10.1007/s13204-021-01753-3

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  • DOI: https://doi.org/10.1007/s13204-021-01753-3

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