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Updated: Jun 18, 2026

Spatial and Temporal Control of Murine Melanoma Initiation from Mutant Melanocyte Stem Cells
Published on: June 7, 2019
DPPA inhibits melanoma by targeting angiogenesis through activating autocrine IFN-γ-CXCL9/10/11-CXCR3 axis in
Zelong Wang1, Zibei Feng1, Chunhui Huang1
1School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou, China.
Abstract:
Antiangiogenic therapy has been considered an effective therapeutic approach for malignant melanoma (MM). The use of bevacizumab, an antiangiogenic agent for targeting VEGF, has been associated with a potentially high rate of side effects in the treatment of different types of tumors. Therefore, exploration of innovative antiangiogenic therapeutic agents may be useful for the treatment of MM. Dipalmitoylphosphatidic acid (DPPA), a biologically active phosphatidic acid, performs various biological functions in different cancers. Nevertheless, whether DPPA affects tumor development in MM has not been fully elucidated. In this study, we demonstrated that DPPA suppresses tumor growth and metastasis by significantly inhibiting tumor angiogenesis, but not cell proliferation and invasion of MM. DPPA inhibits tumor neovascularization might through regulating interferon γ (IFN-γ)-related signaling, which can further activate CXCL9/10/11-chemokine receptor 3 (CXCR3) signaling. Our findings suggest that DPPA has the potential to serve as an effective antiangiogenic agent for the treatment of MM.
Insights
Dipalmitoylphosphatidic acid (DPPA) effectively suppresses malignant melanoma growth and metastasis by inhibiting tumor angiogenesis. This novel approach offers a promising alternative to existing therapies with fewer side effects.
Area of Science:
- Oncology
- Immunology
- Molecular Biology
Background:
- Antiangiogenic therapy is a key strategy for malignant melanoma (MM).
- Bevacizumab, a VEGF inhibitor, has significant side effects.
- Novel antiangiogenic agents are needed for MM treatment.
Purpose of the Study:
- To investigate the antiangiogenic potential of Dipalmitoylphosphatidic acid (DPPA) in malignant melanoma.
- To elucidate the mechanism by which DPPA affects MM tumor development.
Main Methods:
- In vitro and in vivo models of malignant melanoma.
- Assessment of tumor growth, metastasis, and angiogenesis.
- Analysis of signaling pathways including interferon gamma (IFN-γ) and CXCL9/10/11-CXCR3.
Main Results:
- DPPA significantly suppressed MM tumor growth and metastasis.
- DPPA inhibited tumor angiogenesis but not cell proliferation or invasion.
- DPPA's mechanism involves regulating IFN-γ and CXCL9/10/11-CXCR3 signaling.
Conclusions:
- DPPA demonstrates potent antiangiogenic activity in malignant melanoma.
- DPPA represents a potential novel therapeutic agent for MM.
- DPPA's mechanism of action provides insights into antiangiogenic strategies.
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