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Published on: May 14, 2016
Dynamin 2 Inhibitors as Novel Therapeutic Agents Against Cervical Cancer Cells
Yoo-Young Lee1, Hye-Kyung Jeon2, Jungeun Lee3
1Division of Gynecologic Oncology, Princess Margaret Cancer Centre, University Health Network, University of Toronto, Toronto, ON, Canada.
Aim:
We investigated the feasibility of dynamin 2 as a potential treatment target in cervical cancer cells.
Materials And Methods:
We performed tissue microarray for dynamin 2 expression in 208 patients with early cervical cancer and in vitro in HeLa cells with dynamin 2 inhibitors MiTMAB, OcTMAB, Dynasore, and DD-6.
Results:
Tumor size greater than 2 cm or tumor invasion of more than half of the entire cervix was associated with expression of dynamin 2 compared to no expression (p=0.013, and p=0.045, respectively). All dynamin 2 inhibitors significantly reduced proliferation, increased apoptotic activity, and reduced matrix metallopeptidase 9 expression in HeLa cells. Dynasore and DD-6 reduced migration of HeLa cells on laminin 1-coated plates and DD-6 most strongly reduced migration performance on fibronectin-coated plates.
Conclusion:
Targeting dynamin 2 may be a promising new approach for the treatment of cervical cancer.
Insights
Dynamin 2 shows promise as a cervical cancer treatment target. Inhibiting dynamin 2 reduced cancer cell proliferation and migration, suggesting a new therapeutic avenue.
Area of Science:
- Oncology
- Cell Biology
- Biochemistry
Background:
- Cervical cancer remains a significant global health concern.
- Identifying novel therapeutic targets is crucial for improving patient outcomes.
Purpose of the Study:
- To investigate dynamin 2 as a potential therapeutic target in cervical cancer.
- To evaluate the effects of dynamin 2 inhibition on cervical cancer cell behavior.
Main Methods:
- Tissue microarray analysis of dynamin 2 expression in 208 early cervical cancer patients.
- In vitro studies using HeLa cells treated with dynamin 2 inhibitors (MiTMAB, OcTMAB, Dynasore, DD-6).
- Assessment of cell proliferation, apoptosis, matrix metallopeptidase 9 expression, and cell migration.
Main Results:
- Dynamin 2 expression correlated with larger tumor size and deeper cervical invasion.
- Dynamin 2 inhibitors significantly reduced proliferation and increased apoptosis in HeLa cells.
- Inhibitors decreased matrix metallopeptidase 9 expression and cell migration, with DD-6 showing the strongest effect on fibronectin-coated plates.
Conclusions:
- Dynamin 2 is a potential therapeutic target for cervical cancer.
- Inhibition of dynamin 2 demonstrates anti-cancer effects in vitro.
- Further research into dynamin 2-targeted therapies for cervical cancer is warranted.
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