ArticleAdvanced biomedical research2023
The Cytotoxicity of 27-Hydroxycholesterol in MCF-7 and MDA-MB-231.
Article in Advanced biomedical research, 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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0 citing papers in PubMed, 1 citations in OpenAlex.
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Although several roles of 27-hydroxycholesterol (27-HC), the most abundant oxysterol in blood circulation, in cancers have been elucidated, its impact on breast cancer proliferation and its pathway remain unknown. Materials and Methods: The effect of 27-HC on breast cancer cell proliferation and its pathway was evaluated using Michigan Cancer Foundation - 7 (MCF-7) and M.D. Anderson - Metastatic Breast 231 (MDA-MB-231) cell lines. The MTT assay was applied after 24- and 48-hour incubation to distinguish cell proliferation. To determine the cause of different viability results from the MTT assay, the Annexin-FITC/PI test was used at concentrations of 0.1, 1, and 10 μM after 24- and 48-hour incubation. Results: 27-HC in concentrations of 5, 10, and 20 μM induced cell cytotoxicity compared with control. Also, the annexin V conjugated with fluorescein isothiocyanate/propidium iodide (Annexin-FITC/PI) test revealed an increase in total apoptotic cells treated with 0.1, 1, and 10 μM of 27-HC after 48 hours ( Conclusion: The identification of 27-HC's cytotoxic effects on both estrogen receptor (ER)-negative and ER-positive breast cancer cell lines is a novel discovery that may be linked to LXRβ.
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