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Role of Receptor Interacting Protein (RIP) kinases in cancer
Kaylee Ermine1,2, Jian Yu2,3, Lin Zhang1,2
1Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.
Abstract:
The Receptor Interacting Protein (RIP) kinase family consists of seven Serine/Threonine kinases, which plays a key signaling role in cell survival and cell death. Each RIP family member contains a conserved kinase domain and other domains that determine the specific kinase function through protein-protein interactions. RIP1 and RIP3 are best known for their critical roles in necroptosis, programmed necrosis and a non-apoptotic inflammatory cell death process. Dysregulation of RIP kinases contributes to a variety of pathogenic conditions such as inflammatory diseases, neurological diseases, and cancer. In cancer cells, alterations of RIP kinases at genetic, epigenetic and expression levels are frequently found, and suggested to promote tumor progression and metastasis, escape of antitumor immune response, and therapeutic resistance. However, RIP kinases can be either pro-tumor or anti-tumor depending on specific tumor types and cellular contexts. Therapeutic agents for targeting RIP kinases have been tested in clinical trials mainly for inflammatory diseases. Deregulated expression of these kinases in different types of cancer suggests that they represent attractive therapeutic targets. The focus of this review is to outline the role of RIP kinases in cancer, highlighting potential opportunities to manipulate these proteins in cancer treatment.
Insights
Receptor Interacting Protein (RIP) kinases are crucial for cell death and survival. This review explores their dual role in cancer, offering insights into RIP kinase-targeted cancer therapies.
Area of Science:
- Molecular Biology
- Cell Biology
- Oncology
Background:
- The Receptor Interacting Protein (RIP) kinase family comprises seven Serine/Threonine kinases involved in cell survival and death signaling.
- RIP1 and RIP3 are particularly known for their roles in necroptosis, a programmed necrosis and inflammatory cell death pathway.
- Dysregulation of RIP kinases is implicated in inflammatory, neurological diseases, and cancer.
Purpose of the Study:
- To review the multifaceted roles of RIP kinases in cancer development and progression.
- To highlight the potential of RIP kinases as therapeutic targets in oncology.
- To discuss opportunities for manipulating RIP kinases in cancer treatment strategies.
Main Methods:
- Literature review of studies on RIP kinases in cancer.
- Analysis of genetic, epigenetic, and expression alterations of RIP kinases in cancer cells.
- Examination of clinical trial data for RIP kinase inhibitors.
Main Results:
- RIP kinases exhibit context-dependent pro-tumor or anti-tumor functions in various cancers.
- Alterations in RIP kinases are frequently observed in cancer, promoting tumor progression, metastasis, immune evasion, and therapeutic resistance.
- While RIP kinase inhibitors are primarily tested for inflammatory diseases, their deregulated expression in cancer suggests therapeutic potential.
Conclusions:
- RIP kinases represent promising, yet complex, therapeutic targets in cancer treatment.
- Further research is needed to fully elucidate the dual roles of RIP kinases and optimize their targeting in oncology.
- Targeting RIP kinases could offer novel strategies to overcome therapeutic resistance and enhance antitumor immunity.
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