Article ; Online: On the development of B-Raf inhibitors acting through innovative mechanisms.
2022 Volume 11, Page(s) 237
Abstract: B-Raf is a protein kinase participating to the regulation of many biological processes in cells. Several studies have demonstrated that this protein is frequently upregulated in human cancers, especially when it bears activating mutations. In the last ... ...
| Abstract | B-Raf is a protein kinase participating to the regulation of many biological processes in cells. Several studies have demonstrated that this protein is frequently upregulated in human cancers, especially when it bears activating mutations. In the last years, few ATP-competitive inhibitors of B-Raf have been marketed for the treatment of melanoma and are currently under clinical evaluation on a variety of other types of cancer. Although the introduction of drugs targeting B-Raf has provided significant advances in cancer treatment, responses to ATP-competitive inhibitors remain limited, mainly due to selectivity issues, side effects, narrow therapeutic windows, and the insurgence of drug resistance. Impressive research efforts have been made so far towards the identification of novel ATP-competitive modulators with improved efficacy against cancers driven by mutant Raf monomers and dimers, some of them showing good promises. However, several limitations could still be envisioned for these compounds, according to literature data. Besides, increased attentions have arisen around approaches based on the design of allosteric modulators, polypharmacology, proteolysis targeting chimeras (PROTACs) and drug repurposing for the targeting of B-Raf proteins. The design of compounds acting through such innovative mechanisms is rather challenging. However, valuable therapeutic opportunities can be envisioned on these drugs, as they act through innovative mechanisms in which limitations typically observed for approved ATP-competitive B-Raf inhibitors are less prone to emerge. In this article, current approaches adopted for the design of non-ATP competitive inhibitors targeting B-Raf are described, discussing also on the possibilities, ligands acting through such innovative mechanisms could provide for the obtainment of more effective therapies. |
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| MeSH term(s) | Adenosine Triphosphate ; Antineoplastic Agents/pharmacology ; Humans ; Melanoma ; Protein Kinase Inhibitors/pharmacology ; Protein Kinase Inhibitors/therapeutic use ; Proto-Oncogene Proteins B-raf/genetics |
| Chemical Substances | Antineoplastic Agents ; Protein Kinase Inhibitors ; Adenosine Triphosphate (8L70Q75FXE) ; Proto-Oncogene Proteins B-raf (EC 2.7.11.1) |
| Language | English |
| Publishing date | 2022-02-25 |
| Publishing country | England |
| Document type | Journal Article ; Research Support, Non-U.S. Gov't |
| ZDB-ID | 2699932-8 |
| ISSN | 2046-1402 ; 2046-1402 |
| ISSN (online) | 2046-1402 |
| ISSN | 2046-1402 |
| DOI | 10.12688/f1000research.108761.2 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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