Therapeutic targeting of CDK12: a medicinal chemistry perspective
Feifei Wang1, Hongxue Dai2, Kuanxin Wan3
1Zhongshan Institute for Drug Discovery, Chinese Academy of Sciences, Zhongshan 528400, Guangdong, China; School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, China.
Abstract:
CDK12 (Cyclin-dependent kinase 12) is a cyclin-dependent kinase that regulates gene transcription by phosphorylating the C-terminal domain of RNA polymerase II, playing a crucial role in maintaining genomic stability. Mutations or alterations in the CDK12 genome can trigger tumorigenesis and progression. Inhibiting the overexpression of CDK12 suppresses tumor growth and proliferation, indicating that it serves both as a biomarker for tumorigenesis and a potential therapeutic target for cancer treatment. In recent years, the structure and biological functions of CDK12 have been progressively elucidated, attracting significant research attention. Currently, the CDK12/13 inhibitor CT7439 is undergoing Phase I/II clinical trials. This paper provides a detailed review of various types of CDK12 small-molecule inhibitors/degraders, primarily based on key structural frameworks. It focuses on exploring the existing structure-activity relationships, aiming to offer a comprehensive perspective for developing highly selective CDK12-targeted inhibitors/degraders and providing valuable insights for future novel drug development.
Insights
Cyclin-dependent kinase 12 (CDK12) is crucial for genomic stability and cancer progression. This review details CDK12 inhibitors and degraders, offering insights for developing targeted cancer therapies.
Area of Science:
- Molecular Biology
- Genetics
- Oncology
Background:
- Cyclin-dependent kinase 12 (CDK12) regulates gene transcription and maintains genomic stability.
- CDK12 alterations are linked to tumorigenesis and cancer progression.
- CDK12 is a potential therapeutic target and biomarker for cancer treatment.
Purpose of the Study:
- To review various types of CDK12 small-molecule inhibitors and degraders.
- To explore structure-activity relationships of CDK12 inhibitors.
- To provide insights for developing novel CDK12-targeted cancer drugs.
Main Methods:
- Literature review of CDK12 inhibitors and degraders.
- Analysis of structural frameworks and structure-activity relationships.
- Focus on small-molecule drug development.
Main Results:
- Detailed review of existing CDK12 small-molecule inhibitors and degraders.
- Exploration of structure-activity relationships for drug design.
- Identification of CT7439 as a CDK12/13 inhibitor in clinical trials.
Conclusions:
- CDK12 is a promising target for cancer therapy.
- Understanding structure-activity relationships is key for developing selective inhibitors.
- Further research into CDK12 inhibitors and degraders can lead to novel cancer treatments.
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