JNK Activation Dynamics Drive Distinct Gene Expression Patterns
Research conducted by scientists at South Dakota State University has revealed a significant role of the c-Jun N-terminal kinase (JNK) in regulating cell death. The study published in npj Systems Biology and Applications found that JNK activation dynamics induce distinct gene expression patterns, mediated by mRNA stability. The findings highlight the complexity of JNK's role in cellular responses to stress stimuli, indicating that its dynamics contribute to differential regulation of various cellular pathways, including cell death and inflammatory signaling.
Key Takeaways:
- The study discovered that JNK activation dynamics drive distinct gene expression patterns over time, which are mediated by mRNA stability.
- The research found that sustained, transient, or pulsed activation of JNK induces different gene expression patterns, with multiple gene clusters emerging depending on the temporal dynamics of JNK activation.
- The study suggests that JNK dynamics contribute to differential regulation of cellular pathways, including cell death and inflammatory signaling.
- The research highlights the importance of understanding JNK's role in regulating cellular responses to stress stimuli.
- The findings of the study were published in npj Systems Biology and Applications.
- The research was funded by the South Dakota Board of Reagents and the National Institute of General Medical Sciences.
- The study's implications may contribute to the development of new therapeutic strategies for treating diseases associated with cell death and inflammatory signaling.
- The research team consisted of Rachel Burke, Abbas Jedariforoughi, Andrew Chesak, Jose L. Gonzalez Hernandez, and Ryan L. Hanson from South Dakota State University.
Statistics:
- 117: The article number of the study published in npj Systems Biology and Applications.
- 11: The volume number of the journal npj Systems Biology and Applications where the study was published.
- 1: The issue number of the journal npj Systems Biology and Applications where the study was published.
- 2025: The year of publication of the study in npj Systems Biology and Applications.
- JNK: The c-Jun N-terminal kinase, a protein that plays a significant role in regulating cell death.
- mRNA stability: The process by which messenger RNA (mRNA) molecules are degraded, influencing gene expression patterns.
- Cell death: A critical cellular response to stress stimuli, which is regulated by JNK dynamics.
- Inflammatory signaling: A cellular pathway that is differentially regulated by JNK dynamics.
Sources:
- npj Systems Biology and Applications. JNK activation dynamics drive distinct gene expression patterns over time mediated by mRNA stability. npj Systems Biology and Applications, 2025;11(1):117.
- South Dakota State University. Researchers from South Dakota State University Detail Findings in Systems Biology (JNK activation dynamics drive distinct gene expression patterns over time mediated by mRNA stability). Life Science Weekly. November 4, 2025; p 6202.