Targeting the LKB1 tumor suppressor
1Division of Hematology and Oncology, Comprehensive Cancer Center, University of Alabama at Birmingham, 1824 6th Avenue South, Wallace Tumor Institute Building, Room 520D, Birmingham, AL 35294, USA. zhixiangxu@uabmc.edu.
Abstract:
LKB1 (also known as serine-threonine kinase 11, STK11) is a tumor suppressor, which is mutated or deleted in Peutz-Jeghers syndrome (PJS) and in a variety of cancers. Physiologically, LKB1 possesses multiple cellular functions in the regulation of cell bioenergetics metabolism, cell cycle arrest, embryo development, cell polarity, and apoptosis. New studies demonstrated that LKB1 may also play a role in the maintenance of function and dynamics of hematopoietic stem cells. Over the past years, personalized therapy targeting specific genetic aberrations has attracted intense interests. Within this review, several agents with potential activity against aberrant LKB1 signaling have been discussed. Potential strategies and challenges in targeting LKB1 inactivation are also considered.
Insights
Serine-threonine kinase 11 (LKB1) is a tumor suppressor involved in cell functions and cancer. This review discusses agents targeting aberrant LKB1 signaling for personalized cancer therapy.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- LKB1 (serine-threonine kinase 11) is a crucial tumor suppressor gene.
- Mutations in LKB1 are linked to Peutz-Jeghers syndrome and various cancers.
- LKB1 regulates fundamental cellular processes including metabolism, cell cycle, polarity, and apoptosis.
Purpose of the Study:
- To review the role of LKB1 in cancer and its physiological functions.
- To discuss current therapeutic strategies targeting aberrant LKB1 signaling.
- To explore potential agents and challenges in LKB1-targeted cancer therapy.
Main Methods:
- Literature review of studies on LKB1 function and therapeutic targeting.
- Analysis of agents with activity against LKB1 signaling pathways.
- Discussion of challenges and future directions in LKB1-targeted therapy.
Main Results:
- LKB1 plays a significant role in tumor suppression and cellular homeostasis.
- Aberrant LKB1 signaling is implicated in the development and progression of diverse cancers.
- Several therapeutic agents show potential for targeting LKB1-driven cancers.
Conclusions:
- Targeting LKB1 inactivation represents a promising avenue for personalized cancer medicine.
- Further research is needed to overcome challenges in developing effective LKB1-targeted therapies.
- Understanding LKB1's multifaceted roles is key to advancing cancer treatment strategies.
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