Article: The Cytotoxicity of 27-Hydroxycholesterol in MCF-7 and MDA-MB-231.
2023 Volume 12, Page(s) 246
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: ... ...
| 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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| Language | English |
| Publishing date | 2023-10-28 |
| Publishing country | India |
| Document type | Journal Article |
| ZDB-ID | 2672524-1 |
| ISSN | 2277-9175 |
| ISSN | 2277-9175 |
| DOI | 10.4103/abr.abr_13_23 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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