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Androgen receptor splicing variant 7: Beyond being a constitutively active variant
Chen Shao1, Bingbing Yu1, Yanan Liu1
1Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun, China.
Life Sciences
|August 25, 2019
Summary
Androgen receptor (AR) signaling drives prostate cancer. AR-V7, a variant of the AR, promotes resistance to therapies and is a key target for treating advanced prostate cancer.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Androgen receptor (AR) signaling is critical in prostate cancer development and progression.
- Current therapies like androgen deprivation and taxanes face inevitable resistance.
- AR signaling reactivation is a primary cause of treatment failure.
Purpose of the Study:
- To review the role of AR-V7 in castration-resistant prostate cancer (CRPC).
- To explore AR-V7's contribution to drug resistance.
- To assess AR-V7 as a predictive biomarker and therapeutic target in mCRPC.
Main Methods:
- Literature review of recent findings on AR-V7.
- Analysis of clinical data regarding AR-V7.
- Summary of AR signaling alterations in prostate cancer.
Main Results:
- AR-V7, a constitutively active AR splicing variant, is a major driver of abnormal AR signaling.
- AR-V7 is implicated in CRPC progression and resistance to standard therapies.
- Clinical data support AR-V7's utility as a biomarker and therapeutic target.
Conclusions:
- AR-V7 plays a significant role in the progression of castration-resistant prostate cancer.
- Targeting AR-V7 offers a promising strategy to overcome drug resistance.
- AR-V7 holds potential as a predictive biomarker for mCRPC treatment.
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