Synergistic effect of oxytetracycline as a combination treatment with Carboplatin on MCF-7 breast cancer cell line

Eman Jawad Jabber; Asawer Mhammed Alzayd; Mohammed Jasim Jawad; Ihsan Mohammed Sulbi; Saif Mohammed Hassan; Mahmood Jasim Jawad; Adnan Mansour Jasim

Synergistic effect of oxytetracycline as a combination treatment with Carboplatin on MCF-7 breast cancer cell line

2022

In breast cancer treatment, chemotherapy resistance is a major problem where many receptive tumors rebound and develop resistance. When provided in combination, cancer drugs are most successful, thus reducing the risk of developing resistant cancer cells. However, the evaluation of combination therapies has increased rapidly in recent years. Consequently, by repurposing old treatments, the discovery of additional medicines that may interact synergistically with chemotherapy is considered a current medical aim through discovering a new cancer medication or therapeutic strategy. The purpose of this research is to increase the anti-cancer activity of carboplatin (CP) by increasing the apoptotic effect of breast cancer cells (MCF-7) during in vitro experiments in combination with oxytetracycline. Our results showed a high synergistic effect between oxytetracycline and carboplatin, MCF-7 representative cell treated with carboplatin with/without different concentrations of oxytetracycline (5% and 10% of IC50). Oxytetracycline, which potentiated the action of carboplatin and/or had notable activity was reported as a single agent. This research demonstrated the synergistic relationship between oxytetracycline and carboplatin in viability assays. Surprisingly, our findings suggest that inhibiting treatment strategies can extend carboplatin’s therapeutic window, potentially allowing for cancer therapy.

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