LKB1 Inactivation and Prostate Cancer Resistance
Author Information
Author(s): Li Fei, Dai Pengfei, Shi Huili, Zhang Yajuan, He Juan, Gopalan Anuradha, Li Dan, Chen Yu, Du Yarui, Xu Guoliang, Yang Weiwei, Liang Chao, Gao Dong
Primary Institution: Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
Hypothesis
LKB1 inactivation promotes epigenetic remodeling-induced lineage plasticity and antiandrogen resistance in prostate cancer.
Conclusion
LKB1 inactivation leads to AR-independent lineage plasticity and global DNA hypomethylation during prostate cancer progression.
Supporting Evidence
- LKB1 inactivation is linked to AR independence in prostate cancer cells.
- Pharmacological inhibition of TET enzymes effectively suppresses AR-independent prostate cancer growth.
- Global DNA hypomethylation is induced by LKB1 loss, contributing to lineage plasticity.
Takeaway
When a specific gene called LKB1 is turned off in prostate cancer, the cancer cells can change into a form that doesn't respond to usual treatments, making it harder to treat.
Methodology
The study utilized single-cell RNA sequencing on human and mouse prostate cancer samples, whole-genome bisulfite sequencing, and genetically engineered mouse models.
Statistical Information
P-Value
p<0.05
Digital Object Identifier (DOI)
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