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Published on: September 16, 2019
A Triazaspirane Derivative Inhibits Migration and Invasion in PC3 Prostate Cancer Cells
Javier de Jesús Vasconcelos-Ulloa1,2,3, Victor García-González2,3, Benjamín Valdez-Salas1
1Instituto de Ingeniería, Universidad Autónoma de Baja California, Mexicali 21100, Baja California, Mexico.
Abstract:
Cancer is a serious health problem due to the complexity of establishing an effective treatment. The purpose of this work was to evaluate the activity of a triazaspirane as a migration and invasion inhibitor in PC3 prostatic tumor cells through a possible negative regulation of the FAK/Src signal transduction pathway and decreased secretion of metalloproteinases 2 and 9. Molecular docking analysis was performed using Moe 2008.10 software. Migration (wound-healing assay) and invasion (Boyden chamber assay) assays were performed. In addition, the Western blot technique was used to quantify protein expression, and the zymography technique was used to observe the secretion of metalloproteinases. Molecular docking showed interactions in regions of interest of the FAK and Src proteins. Moreover, the biological activity assays demonstrated an inhibitory effect on cell migration and invasion, an important suppression of metalloproteinase secretion, and a decrease in the expression of p-FAK and p-Src proteins in treated PC3 cells. Triazaspirane-type molecules have important inhibitory effects on the mechanisms associated with metastasis in PC3 tumor cells.
Insights
Triazaspiranes inhibit prostate cancer cell migration and invasion by targeting the FAK/Src pathway. This study demonstrates their potential to reduce metastasis in PC3 tumor cells by decreasing metalloproteinase secretion and key protein expression.
Area of Science:
- Oncology
- Molecular Biology
- Medicinal Chemistry
Background:
- Cancer metastasis involves complex cellular mechanisms like migration and invasion.
- Prostate cancer (PC3) cells exhibit high metastatic potential.
- Targeting signaling pathways and matrix-degrading enzymes is crucial for anti-metastasis strategies.
Purpose of the Study:
- To evaluate triazaspirane compounds as inhibitors of PC3 cell migration and invasion.
- To investigate the potential role of triazaspiranes in regulating the FAK/Src signaling pathway.
- To assess the impact of triazaspiranes on metalloproteinase 2 and 9 secretion.
Main Methods:
- Molecular docking simulations using Moe 2008.10.
- In vitro assays: wound-healing for migration and Boyden chamber for invasion.
- Protein expression analysis via Western blot.
- Metalloproteinase activity assessment using zymography.
Main Results:
- Molecular docking predicted favorable interactions of triazaspiranes with FAK and Src proteins.
- Biological assays confirmed significant inhibition of PC3 cell migration and invasion.
- Triazaspirane treatment led to suppressed secretion of metalloproteinases 2 and 9.
- Reduced expression of phosphorylated FAK (p-FAK) and phosphorylated Src (p-Src) was observed.
Conclusions:
- Triazaspirane-type molecules exhibit potent inhibitory effects on prostate cancer cell metastasis.
- These compounds effectively suppress key mechanisms driving metastasis in PC3 cells.
- Targeting the FAK/Src pathway and metalloproteinase activity represents a viable therapeutic strategy.
