The development of piperidinones as potent MDM2-P53 protein-protein interaction inhibitors for cancer therapy
Abstract
In tumor cells, p53 is always inactivated due to the mutation or deletion of TP53 gene or inhibited by the overexpressed MDM2. Small-molecule induced restoring of p53 function by blocking MDM2-p53 protein-protein interactions has been highly pursued as an attractive therapeutic strategy for cancer therapy. To date, a large number of small-molecule inhibitors have been identified based on the compact and well-defined MDM2-p53 interactions, of which SAR405838, MK-8242, DS-3032b, NVP-CGM097, RG7112, HDM201, RG7388, ALRN-6924 and AMG 232 are undergoing clinical assessment at different phases for cancer therapy. This review is focused on the discovery and development of piperidinone-based MDM2-p53 inhibitors for cancer therapy, including the identification of hit compounds, hit-to-lead optimizations, binding models of ligands in the active site of MDM2, metabolic studies, and preclinical data of advanced piperidinone-based MDM2-p53 inhibitors. Additionally, acquired resistance of MDM2 inhibitors and potential toxicity toward normal tissues are briefly discussed.
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MK-8242 exhibited a strong inhibitory effect on wild-type PPTP cells with an IC50 value of 0.07 μM, but had weak inhibitory effects on TP53-mutant PPTP cells with an IC50 value greater than 10 μM, indicating a selectivity of more than 100 times.
“It exhibited a strong inhibitory effect on wild-type PPTP cells with an IC50 value of 0.07 μM, but had weak inhibitory effects on TP53-mutant PPTP cells with an IC50 value greater than10 μM), indicating a selectivity of more than 100 times.”
From Recent advances in targeting the “undruggable” proteins: from drug discovery to clinical trials (2023) · cites this paper as [379]
In vivo studies demonstrated that MK-8242 delayed tumor growth by a factor of two or more in 10 of 17 solid tumor xenografts containing wild-type TP53, but had no effect on osteosarcoma xenografts with low TP53 expression.
“In vivo studies demonstrated that MK-8242 delayed tumor growth by a factor of two or more in 10 of 17 solid tumor xenografts containing wild-type TP53, but had no effect on osteosarcoma xenografts with low TP53 expression.377–380”
From Recent advances in targeting the “undruggable” proteins: from drug discovery to clinical trials (2023) · cites this paper as [379]
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- Authors
- Liao, G., Yang, D., Ma, L., Li, W., Hu, L., Zeng, L., Wu, P., Duan, L., & Liu, Z.
- Affiliations
- Guangzhou University of Chinese Medicine (CN)
- Corresponding author
- Liao, Guochao
- Liu, Zhongqiu
- Venue
- European Journal of Medicinal Chemistry
- Publisher
- Elsevier BV
- Published
- 2018-11
- Volume
- 159
- Pages
- 1-9
- ISSN
- 0223-5234 (ISSN-L)
- OpenAlex
- W2890631528
- Cited by
- 63
- References
- 51
- Citations by year
- 2026: 4 · 2025: 8 · 2024: 5 · 2023: 7 · 2022: 7 · 2021: 7 · 2020: 15 · 2019: 9 · 2018: 1
- FWCI
- 0.86
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- European Journal of Medicinal Chemistry (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Natural Science Foundation of China (81773580)
- The Department of Science and Technology of Guangdong Province, China (2017A050501032)
- Department of education of Guangdong Province, China (2016KZDXM031)
- The Science and Technology Planning Program of Guangzhou City, China (201707010467)
- Topics
- Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
- Health Sciences › Medicine › Pathology and Forensic Medicine › Cancer Mechanisms and Therapy
- Physical Sciences › Computer Science › Computational Theory and Mathematics › Computational Drug Discovery Methods
- Keywords
- piperidinone, p53-MDM2 interaction, protein-protein interaction inhibitors, p53 reactivation, small molecule inhibitors, RG7112, acquired drug resistance, metabolic stability, hit-to-lead optimization, cancer therapy
- MeSH terms
- Dose-Response Relationship, Drug, Humans, Ligands, Neoplasms, Piperidones, Protein Binding, Structure-Activity Relationship, Molecular Structure, Tumor Suppressor Protein p53, Proto-Oncogene Proteins c-mdm2
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