Abstract
We previously reported a series of p53-elevating anthraquinone compounds with considerable cytotoxicity for acute lymphoblastic leukemia (ALL) cells. To further develop this class of compounds, we examined the effect of a few key structural features on the anticancer structure–activity relationship (SAR) in ALL cells. The active analogs showed comparable cytotoxicity and upregulation of p53 but did not induce significant downregulation of MDM2 as seen with the lead compound AQ-101, indicating the importance of the anthraquinone core scaffold for MDM2 regulation. The result from the current study not only contributes to the SAR framework of these anthraquinone derivatives but also opens up new chemical space for further optimization work.
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Acknowledgements
Financial support from the National Institutes of Health (CA180519) is gratefully acknowledged. We also thank the Center for Diagnostics and Therapeutics for a University fellowship to AA, the Georgia Research Alliance for an Eminent Scholar endowment, and GSU internal support.
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Dedicated to Professor Robert P. Hanzlik on the occasion of his retirement after 49 years of service on the faculty of the Department of Medicinal Chemistry, University of Kansas.
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Anifowose, A., Agbowuro, A.A., Tripathi, R. et al. Inducing apoptosis through upregulation of p53: structure–activity exploration of anthraquinone analogs. Med Chem Res 29, 1199–1210 (2020). https://doi.org/10.1007/s00044-020-02563-y
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DOI: https://doi.org/10.1007/s00044-020-02563-y