<p>Background: Plant-derived and other natural products are gaining attention due to wide therapeutic properties, specifically being looked for development of alternative therapeutic intervention for cancers. <i>Phyllanthus emblica</i>, also called <i>Emblica officinalis</i>, is well known for its abundance of phytochemicals and therapeutic uses since ancient times, and reports suggest its anticancer properties. However, no studies are conducted for brain cancers. Aim: The current study aims to evaluate the anti-brain cancer property of <i>E. officinalis</i> and to enhance the potency of selected extracts by development of green silver nanoparticles (AgNPs). Methodology and results: The Methanolic, Ethanolic, and Aqueous extracts of <i>E. officinalis</i> (M-EOE, E-EOE, and A-EOE) were obtained, followed by measuring total phenolic content and DPPH analysis. The results presented M-EOE with the highest presence of phenolic compounds, as supported by GC–MS. MTT assays showed dose-dependent antiproliferative potential of these extracts against U87-MG, where methanolic extract exhibited the lowest IC<sub>50</sub> value. Wound scratch assay further showed antimigratory potential, with lowest gap closure observed in methanolic extract. Further, methanolic extract of <i>E. officinalis</i> was used to synthesize AgNPs followed by characterization using particle-size analyzer, zeta potential, FTIR, and SEM-based analysis. Characterization methods revealed the synthesis of stable nanoparticles with size ranging from 52.56 to 96.18&#xa0;nm. Further, these M-EOE AgNPs showed superior cytotoxicity, with an IC<sub>50</sub> value of 183.1&#xa0;µg/mL, and antimigratory effects as compared to parent M-EOE extract. Conclusion: The current study thus suggests that <i>E. officinalis</i> extracts and derived nanoparticles may have the potential to be exploited as anti-brain cancer therapeutics and should be evaluated further by detailed mechanistic studies.</p> Graphical Abstract <p>Fresh fruit pulp was dried to obtain <i>E. officinalis</i> powder to prepare different extracts of <i>E. officinalis</i>. These extracts were subjected to phytochemical screening, antioxidant testing, and evaluation of anticancer and antimetastatic properties. M-EOE, which was found to be more effective, was further used for synthesis of AgNPs which were evaluated for their bioactivity using DPPH assay and MTT assay.</p>

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In vitro assessment of anti-glioblastoma potential of Emblica officinalis methanolic fruit extract and green nanoparticles in U87-MG cells

  • Kokkonda Jackson Sugunakara Chary,
  • Anuradha Sharma,
  • Amrita Singh

摘要

Background: Plant-derived and other natural products are gaining attention due to wide therapeutic properties, specifically being looked for development of alternative therapeutic intervention for cancers. Phyllanthus emblica, also called Emblica officinalis, is well known for its abundance of phytochemicals and therapeutic uses since ancient times, and reports suggest its anticancer properties. However, no studies are conducted for brain cancers. Aim: The current study aims to evaluate the anti-brain cancer property of E. officinalis and to enhance the potency of selected extracts by development of green silver nanoparticles (AgNPs). Methodology and results: The Methanolic, Ethanolic, and Aqueous extracts of E. officinalis (M-EOE, E-EOE, and A-EOE) were obtained, followed by measuring total phenolic content and DPPH analysis. The results presented M-EOE with the highest presence of phenolic compounds, as supported by GC–MS. MTT assays showed dose-dependent antiproliferative potential of these extracts against U87-MG, where methanolic extract exhibited the lowest IC50 value. Wound scratch assay further showed antimigratory potential, with lowest gap closure observed in methanolic extract. Further, methanolic extract of E. officinalis was used to synthesize AgNPs followed by characterization using particle-size analyzer, zeta potential, FTIR, and SEM-based analysis. Characterization methods revealed the synthesis of stable nanoparticles with size ranging from 52.56 to 96.18 nm. Further, these M-EOE AgNPs showed superior cytotoxicity, with an IC50 value of 183.1 µg/mL, and antimigratory effects as compared to parent M-EOE extract. Conclusion: The current study thus suggests that E. officinalis extracts and derived nanoparticles may have the potential to be exploited as anti-brain cancer therapeutics and should be evaluated further by detailed mechanistic studies.

Graphical Abstract

Fresh fruit pulp was dried to obtain E. officinalis powder to prepare different extracts of E. officinalis. These extracts were subjected to phytochemical screening, antioxidant testing, and evaluation of anticancer and antimetastatic properties. M-EOE, which was found to be more effective, was further used for synthesis of AgNPs which were evaluated for their bioactivity using DPPH assay and MTT assay.