Ginger exosome-like nanoparticles (GELNs) induced apoptosis, cell cycle arrest, and anti-metastatic effects in triple-negative breast cancer MDA-mb-231 cells

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Food Chem Toxicol. 2023 Oct 19:114102. doi: 10.1016/j.fct.2023.114102. Online ahead of print.

ABSTRACT

Ginger exosome-like nanoparticles (GELNs) have been extensively implicated in alleviating inflammation, maintaining intestinal microbiome and are considered competent drug delivery vehicles. Despite this, the current knowledge of the GELN interaction with cancer cells is limited. Triple-negative breast cancer (TNBC), an aggressive variant lacking efficient therapeutics, necessitates novel natural counterparts with minimal side effects. This study investigates the action of GELNs isolated from ginger rhizomes against TNBC cells. GELNs were isolated by ultracentrifugation and characterized physicochemically. The interaction of GELNs with TNBC cells (MDA-MB-231) was studied in detail. The GELNs induced a concentration-dependent decrease in cell viability in MDA-MB-231 cells without affecting the normal cell lines tested. GELNs induced apoptosis as indicated by morphological changes, nuclear fragmentation, membrane damage, phosphatidyl serine translocation, ROS generation, drop in mitochondrial membrane potential, expression of apoptotic specific proteins, and increased caspase activity. GELNs also instigated cell cycle arrest, retarded cell migration and colony formation in TNBC cells. These findings report a novel action of GELNs against TNBC cells and a closer look at the underlying molecular mechanism of this interspecies communication. This opens newer prospects for using dietary ELNs to target therapeutically challenging cancers.

PMID:37865333 | DOI:10.1016/j.fct.2023.114102

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