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An Orthotopic Murine Model of Human Prostate Cancer Metastasis
Published on: September 18, 2013
Mitotic Kinase Inhibitors as Therapeutic Interventions for Prostate Cancer: Evidence from In Vitro Studies
Aadil Javed1, Gülseren Özduman1, Sevda Altun1
1Department of Bioengineering, Faculty of Engineering, Cancer Biology Laboratory, Ege University, Bornova, Izmir, Turkey.
Abstract:
Prostate cancer is one of the devastating diseases characterized by genetic changes leading to uncontrolled growth and metastasis of the cells of the prostate gland and affects men worldwide. Conventional hormonal and chemotherapeutic agents are effective in mitigating the disease if diagnosed at an early stage. All dividing eukaryotic cells require mitotic progression for the maintenance of genomic integrity in progeny populations. The protein kinases, upon activation and de-activation in an ordered fashion, lead to spatial and temporal regulation of the cell division process. The entry into mitosis along with the progression into sub-phases of mitosis is ensured due to the activity of mitotic kinases. These kinases include Polo-Like-Kinase 1 (PLK1), Aurora kinases, and Cyclin-Dependent- Kinase 1 (CDK1), among others. The mitotic kinases, among others, are usually overexpressed in many cancers and can be targeted using small molecule inhibitors to reduce the effects of these regulators on mechanisms, such as regulation of genomic integrity and mitotic fidelity. In this review, we attempted to discuss the appropriate functions of mitotic kinases revealed through cell culture studies and the impact of their respective inhibitors derived in pre-clinical studies. The review is designed to elucidate the growing field of small molecule inhibitors and their functional screening or mode of action at the cellular and molecular level in the context of Prostate Cancer. Therefore, studies performed specifically on cells of Prostatic-origin are narrated in this review, culminating in a comprehensive view of the specific field of mitotic kinases that can be targeted for therapy of Prostate cancer.
Insights
Mitotic kinases like PLK1 are crucial for cell division and are often overexpressed in prostate cancer. Targeting these kinases with small molecule inhibitors shows promise for new cancer therapies.
Area of Science:
- Oncology
- Molecular Biology
- Cell Biology
Background:
- Prostate cancer is a prevalent malignancy globally, driven by genetic alterations leading to uncontrolled cell growth and metastasis.
- Current treatments include hormonal and chemotherapeutic agents, effective primarily in early-stage disease.
- Mitotic kinases regulate cell division, ensuring genomic integrity, and are frequently overexpressed in various cancers.
Purpose of the Study:
- To review the functions of key mitotic kinases, including Polo-Like-Kinase 1 (PLK1), Aurora kinases, and Cyclin-Dependent-Kinase 1 (CDK1).
- To explore the therapeutic potential of small molecule inhibitors targeting these kinases in prostate cancer.
- To elucidate the cellular and molecular mechanisms of action for these inhibitors in prostate cancer cells.
Main Methods:
- Review of cell culture studies detailing mitotic kinase functions.
- Analysis of pre-clinical studies on small molecule inhibitors targeting mitotic kinases.
- Focus on research specifically conducted on prostate-origin cells.
Main Results:
- Mitotic kinases are essential regulators of cell cycle progression and mitosis.
- Overexpression of these kinases is common in prostate cancer.
- Small molecule inhibitors targeting mitotic kinases demonstrate potential in pre-clinical prostate cancer models.
Conclusions:
- Mitotic kinases represent a promising therapeutic target for prostate cancer.
- Targeted inhibition of these kinases may offer novel treatment strategies.
- Further research into small molecule inhibitors is crucial for advancing prostate cancer therapy.
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