ArticleScientific reports2026
Enoxaparin induces apoptosis and autophagy, modulates inflammatory signaling, and reduces oxidative DNA damage in breast and liver cancer cells.
Article in Scientific reports, 2026. 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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Abstract
Cancer progression involves intricate interactions between inflammatory signaling, programmed cell death mechanisms, and oxidative stress. Although enoxaparin is widely used for managing cancer-associated thrombosis, its direct cellular effects on tumor biology remain insufficiently characterized. This study aimed to evaluate the impact of enoxaparin on apoptosis, autophagy, inflammatory mediators, and oxidative DNA damage in breast (MDA-MB-231) and liver (HepG2) cancer cell lines. MDA-MB-231, HepG2, and non-cancerous HEK-293 cells were treated with varying concentrations (5, 10, 20, 40, and 80 mg/mL) of enoxaparin for 24 and 48 h. Cell viability was assessed using the MTT assay, while apoptosis was quantified by TUNEL analysis. Immunofluorescence staining was employed to evaluate the expression of NF-κB, IL-6, TNF-α, LC3, and p62. Oxidative DNA damage was determined by measuring extracellular 8-hydroxy-2'-deoxyguanosine (8-OHdG) levels using a competitive ELISA. Statistical analyses were conducted to compare the treated and control groups. Enoxaparin significantly reduced cell viability in MDA-MB-231 and HepG2 cells without inducing cytotoxicity in HEK-293 cells. Apoptosis was markedly increased in both cancer cell lines following treatment. Enoxaparin differentially modulated inflammatory signaling; NF-κB expression was significantly increased in MDA-MB-231 cells, accompanied by suppression of IL-6 and TNF-α, whereas no significant inflammatory changes were observed in HepG2 cells. Enoxaparin treatment was observed to increase LC3 and p62 expression in both MDA-MB-231 and HepG2 cells, triggering autophagy-related pathways. Moreover, enoxaparin significantly reduced extracellular 8-OHdG levels, suggesting a reduction in oxidative DNA damage. Enoxaparin exhibits multifaceted anticancer effects by promoting apoptosis and autophagy, selectively modulating inflammatory pathways, and reducing oxidative DNA damage in breast and liver cancer cells.
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