Article ; Online: Drug-drug conjugates of MEK and Akt inhibitors for RAS-mutant cancers.
Bioorganic & medicinal chemistry
2024 Volume 102, Page(s) 117674
Abstract: Controlling RAS mutant cancer progression remains a significant challenge in developing anticancer drugs. Whereas Ras G12C-covalent binders have received clinical approval, the emergence of further mutations, along with the activation of Ras-related ... ...
| Abstract | Controlling RAS mutant cancer progression remains a significant challenge in developing anticancer drugs. Whereas Ras G12C-covalent binders have received clinical approval, the emergence of further mutations, along with the activation of Ras-related proteins and signals, has led to resistance to Ras binders. To discover novel compounds to overcome this bottleneck, we focused on the concurrent and sustained blocking of two major signaling pathways downstream of Ras. To this end, we synthesized 25 drug-drug conjugates (DDCs) by combining the MEK inhibitor trametinib with Akt inhibitors using seven types of linkers with structural diversity. The DDCs were evaluated for their cell permeability/accumulation and ability to inhibit proliferation in RAS-mutant cell lines. A representative DDC was further evaluated for its effects on signaling proteins, induction of apoptosis-related proteins, and the stability of hepatic metabolic enzymes. These in vitro studies identified a series of DDCs, especially those containing a furan-based linker, with promising properties as agents for treating RAS-mutant cancers. Additionally, in vivo experiments in mice using the two selected DDCs revealed prolonged half-lives and anticancer efficacies comparable to those of trametinib. The PK profiles of trametinib and the Akt inhibitor were unified through the DDC formation. The DDCs developed in this study have potential as drug candidates for the broad inhibition of RAS-mutant cancers. |
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| MeSH term(s) | Animals ; Mice ; Proto-Oncogene Proteins c-akt/metabolism ; Neoplasms/drug therapy ; Neoplasms/genetics ; Signal Transduction ; Antineoplastic Agents/pharmacology ; Antineoplastic Agents/therapeutic use ; Protein Kinase Inhibitors/pharmacology ; Protein Kinase Inhibitors/therapeutic use ; Mutation ; Angiogenesis Inhibitors/pharmacology ; Mitogen-Activated Protein Kinase Kinases/metabolism ; Cell Line, Tumor | |||||
| Chemical Substances | Proto-Oncogene Proteins c-akt (EC 2.7.11.1) ; Antineoplastic Agents ; Protein Kinase Inhibitors ; Angiogenesis Inhibitors ; Mitogen-Activated Protein Kinase Kinases (EC 2.7.12.2) | |||||
| Language | English | |||||
| Publishing date | 2024-03-02 | |||||
| Publishing country | England | |||||
| Document type | Journal Article | |||||
| ZDB-ID | 1161284-8 | |||||
| ISSN | 1464-3391 ; 0968-0896 | |||||
| ISSN (online) | 1464-3391 | |||||
| ISSN | 0968-0896 | |||||
| DOI | 10.1016/j.bmc.2024.117674 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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