ArticleMolecular biology reports2023
Synthesis and evaluation of biological effects of modified graphene oxide nanoparticles containing Lawson (Henna extract) on gastric cancer cells.
Article in Molecular biology reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors at 3 institutions in 1 country.
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Abstract
purposeTargeted Graphene Oxide (GO) nanoparticles can play an important role in the treatment of cancer by increasing cancer cell targeting. This study was conducted to synthesize GO nanoparticles functionalized with chitosan-folate (CS-FA) to deliver a natural product Lawsone (LA) for cancer treatment.
methodsAfter characterization of the LA-GO-CS-FA, antioxidant activities of the nanoparticles were investigated by ABTS, DPPH, and FRAP tests. CAM assay was used to study the effect of nanoparticles on angiogenesis. The expression level of inflammatory and angiogenic genes in cells treated with nanoparticles was evaluated by real-time PCR.
resultsThe findings demonstrated the formation of nanoparticles with a size of 113.3 nm, a PDI of 0.31, and a surface charge of + 11.07 mV. The percentages of encapsulation efficiency were reported at 93%. Gastric cancer cells were reported as the most sensitive to treatment compared to the control, and the gastric cancer cells were used to study gene expression changes. The anti-angiogenic effects of nanoparticles were confirmed by reducing the average number and length of blood vessels and reducing the height and weight of embryos in the CAM assay. The reducing the expression of genes involved in angiogenesis in real-time PCR was demonstrated. Nanoparticles displayed high antioxidant properties by inhibiting DPPH and ABTS radicals and reducing iron ions in the FRAP method. The reduction of pro-inflammatory genes in AGS cells which were treated with nanoparticles indicates the anti-inflammatory properties of nanoparticles.
conclusionThis study showed the efficacy of nanoparticles in inhibiting gastric cancer cells by relying on inhibiting angiogenesis.
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