Modulatory Effect of Vitamin C on Hypoxia Induced Breast Cancer Stem CellsMasoumeh Kazemi ORCID, Soheila Montazersaheb ORCID, Mina Noroozpour ORCID, Safar Farajnia ORCID, Hojjatollah Nozad Charoudeh* ORCID
Eliminating cancer stem cells (CSCs) is a challenge because of their enhanced resistance to anti-cancer drugs. Vitamin C, which is insufficient in patients with higher stages of cancer, has been gaining attention as a potential treatment for human malignancies. Hence this study aimed to analyze the effect of high-dose vitamin C treatment on the gene expression level of HIF-1α, NF-κB1, BAX, and DNMT1 in the MCF7 cells undergoing hypoxia, as an inducer of CSCs characteristics. As a result, vitamin C could be possibly used as a promising therapeutic adjuvant.
Here we first analyzed the breast CSC population alteration in MCF7 cells following hypoxia induction. Then, we evaluated the impact of vitamin C treatment on the gene expression level of four stemness-related genes in hypoxic MCF7 cells.
Our results indicate that vitamin C could reduce proliferation and stemness states in CSCs possibly by induction of apoptotic markers such as BAX, along with attenuating stemness markers, including NF-κB1, and DNMT1 gene expressions.
According to our findings, vitamin C administration would become a new approach to avoiding the stimulation of CSCs during cancer therapies.
itamin C , Hypoxia , MCF7 , Cancer Stem Cell
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