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- W2156396077 abstract "The chemopreventive potential of (+)-catechin-rich extract of Acacia catechu (L.f.) Willd. heartwood (AQCE) was evaluated against human breast adenocarcinoma cell line (MCF-7) and 7,12-dimethylbenz[a]anthracene (DMBA)-induced mammary carcinoma in Balb/c mice.Cell cytotoxicity was investigated using different colorimetric assays. Apoptosis was observed using diphenylamine assay and fluorescent microscopy. AQCE was further evaluated for antitumor activity against DMBA-induced mammary carcinoma. The levels of tumor markers and oxidative stress were measured. Furthermore, level of transcription factors was measured by enzyme-linked immunosorbent assay.The results showed that administration of AQCE showed a dose-dependent growth inhibition response and DNA fragmentation in MCF-7 cells. Tumor multiplicity was significantly decreased to 42.91% with AQCE when compared with DMBA-treated animals. The levels of tumor markers such as total sialic acid and lipid-associated sialic acid were substantially increased after DMBA treatment. However, AQCE treatment restored tumor markers level. AQCE also significantly reduced elevated levels of nitrite and malondialdehyde in DMBA-treated animals. Additionally, AQCE also increased the activities of antioxidant enzymes, viz., catalase, superoxide dismutase, total thiol, reduced glutathione, protein thiol, glutathione peroxidase, glutathione reductase, and glutathione-S-transferase in the mammary tissue and liver mitochondria of DMBA-administered animals. Significant increase in the protein levels of p53, c-jun, and p65 were observed in DMBA-treated mice, whereas less expression was observed in AQCE-treated animals. Eventually, AQCE also significantly improved body weight and maintained the mammary tissue architecture in normal range.The present data strongly suggest that anticancer potentiality of (+)-catechin-rich AQCE may be attributable to its ability to positively modulate tumor markers as well as the antioxidant system that could decompose the peroxides and, thereby, offer a protection against lipid peroxidation and linked to the expression of transcription factors during DMBA-induced mammary carcinoma." @default.
- W2156396077 created "2016-06-24" @default.
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- W2156396077 date "2012-11-09" @default.
- W2156396077 modified "2023-09-23" @default.
- W2156396077 title "Human Breast Adenocarcinoma Cytotoxicity and Modulation of 7,12-Dimethylbenz[<i>a</i>]anthracene-Induced Mammary Carcinoma in Balb/c Mice by <i>Acacia catechu</i> (L.f.) Wild Heartwood" @default.
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- W2156396077 doi "https://doi.org/10.1177/1534735412463818" @default.
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