MCTP1 increases the malignancy of androgen-deprived prostate cancer cells by inducing neuroendocrine differentiation and EMT
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View abstract on PubMed
Summary
This summary is machine-generated.Transmembrane protein 1 (MCTP1) drives neuroendocrine prostate cancer (NEPC) progression by promoting cell migration and differentiation. Targeting MCTP1 may offer a new therapeutic strategy for this aggressive cancer subtype.
Area Of Science
- Oncology
- Molecular Biology
- Biochemistry
Background
- Neuroendocrine prostate cancer (NEPC) is an aggressive subtype with poor prognosis, often developing after androgen deprivation therapy (ADT).
- Understanding the molecular mechanisms driving NEPC development is crucial for identifying new therapeutic targets.
Purpose Of The Study
- To investigate the role of transmembrane protein 1 (MCTP1) in ADT-induced neuroendocrine differentiation in advanced prostate cancer (PCa).
- To elucidate the molecular pathways through which MCTP1 promotes NEPC.
Main Methods
- Analysis of MCTP1 abundance in advanced PCa patient samples.
- Investigating the association of MCTP1 with EMT-associated transcription factors (ZBTB46, FOXA2, HIF1A).
- Assessing the effects of MCTP1 on PCa cell migration, neuroendocrine differentiation, and EMT in vitro, including knockdown experiments.
Main Results
- MCTP1 was abundant in advanced PCa and associated with EMT transcription factors.
- Increased MCTP1 promoted PCa cell migration and neuroendocrine differentiation, linked to SNAI1-dependent EMT after ADT.
- MCTP1 stimulated Ca2+ signaling and AKT activation, driving EMT and NEPC marker expression, effects blocked by MCTP1 knockdown.
Conclusions
- MCTP1 plays an oncogenic role in maintaining aggressive NEPC by responding to Ca2+ signaling.
- MCTP1 represents a potential therapeutic target for NEPC.
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