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Cell-Based Methods for the Identification of Myc-Inhibitory Small Molecules
Catherine A Burkhart1, Michelle Haber2, Murray D Norris2
1Buffalo BioLabs, Inc., Buffalo, NY, USA.
Abstract:
Oncoproteins encoded by dominant oncogenes have long been considered as targets for chemotherapeutic intervention. However, oncogenic transcription factors have often been dismissed as "undruggable." Members of the Myc family of transcription factors have been identified as promising targets for cancer chemotherapy in multiple publications reporting the requirement of Myc proteins for maintenance of almost every type of tumor. Here, we describe cell-based approaches to identify c-Myc small molecule inhibitors by screening complex libraries of diverse small molecules based on Myc functionality and specificity.
Insights
Researchers screened for small molecule inhibitors targeting the Myc family of transcription factors, which are crucial for tumor maintenance. This cell-based approach aims to overcome the challenge of targeting "undruggable" oncogenic transcription factors for cancer therapy.
Area of Science:
- Oncology
- Molecular Biology
- Drug Discovery
Background:
- Oncoproteins from dominant oncogenes are established chemotherapeutic targets.
- Oncogenic transcription factors, like Myc, are essential for tumor cell survival but historically considered difficult to target.
- The Myc family of transcription factors is implicated in the maintenance of most tumor types.
Purpose of the Study:
- To develop cell-based methods for identifying small molecule inhibitors of c-Myc.
- To screen diverse chemical libraries for compounds that specifically inhibit Myc functionality.
Main Methods:
- Utilized cell-based screening assays.
- Employed diverse small molecule libraries.
- Focused on Myc functionality and specificity for inhibitor identification.
Main Results:
- Successfully developed and applied cell-based approaches to identify potential c-Myc inhibitors.
- Demonstrated the feasibility of screening for inhibitors targeting oncogenic transcription factors.
Conclusions:
- Cell-based screening offers a viable strategy for discovering inhibitors of challenging targets like c-Myc.
- This approach holds promise for developing novel cancer chemotherapeutics targeting Myc-dependent tumors.
