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Published on: July 21, 2018
Targeting RSK2 in human malignancies
1Emory University School of Medicine, Winship Cancer Institute of Emory, Department of Hematology and Medical Oncology, Atlanta, GA 30322, USA. smkang@emory.edu; jchen@emory.edu
Importance Of The Field:
p90 ribosomal S6 kinase 2 (RSK2) belongs to a Ser/Thr kinase family containing four members, RSK1 - 4, which play an essential role in a number of cellular functions including cell cycle, survival and proliferation. Recent advances reveal a crucial role of RSK2 in oncogenesis and tumor progression, making RSK2 an attractive therapeutic target for cancer treatment.
Area Covered In This Review:
Recent findings identifying the role of RSK2 in human cancers, including hematopoietic malignancies and solid tumors. Therapeutic implications of targeting RSK2 are also discussed with regard to clinical circumstance.
What The Reader Will Gain:
A better understanding of molecular mechanisms underlying RSK2 activation and its contribution to human cancers and also insight into the development of novel targeted cancer therapy.
Take Home Message:
The significance of RSK2 in cancer cell survival, proliferation, invasion and tumor metastasis varies amongst human malignancies and depends on the signaling properties of the oncogenes and cellular microenvironment of the transformed cells. Thus, further exploitation of RSK2 signaling and its dynamic interaction with other crucial oncogenic and pro-metastatic pathways in different human malignancies is needed for more effective therapeutic interventions.
Insights
p90 ribosomal S6 kinase 2 (RSK2) is vital in cancer progression. Targeting RSK2 offers a promising therapeutic strategy for various human malignancies, with its effectiveness depending on specific cancer types and cellular environments.
Area of Science:
- Molecular biology
- Oncology
- Biochemistry
Background:
- p90 ribosomal S6 kinase 2 (RSK2) is a Ser/Thr kinase involved in cell cycle, survival, and proliferation.
- RSK2 plays a critical role in oncogenesis and tumor progression, identifying it as a key therapeutic target.
Purpose of the Study:
- To review the role of RSK2 in human cancers, including hematopoietic malignancies and solid tumors.
- To discuss the therapeutic implications of targeting RSK2 in clinical settings.
Main Methods:
- Review of recent findings on RSK2's role in human cancers.
- Analysis of therapeutic strategies targeting RSK2.
Main Results:
- RSK2 activation mechanisms and its contribution to human cancers are elucidated.
- Insights into developing novel targeted cancer therapies are provided.
Conclusions:
- RSK2's significance in cancer varies across malignancies, influenced by oncogene signaling and tumor microenvironment.
- Further research into RSK2 signaling and its interactions is crucial for effective cancer therapeutics.
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