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Updated: Jun 27, 2026

A 3D Organotypic Melanoma Spheroid Skin Model
Published on: May 18, 2018
Melanoma: targeting signaling pathways and RaLP
Luigi Pasini1, Margherita Y Turco, Lucilla Luzi
1IFOM-IEO Campus, European Institute of Oncology, Department of Experimental Oncology, Via Adamello, 16 20139 Milan, Italy.
Background:
Metastatic melanoma remains one of the most aggressive forms of cancer, with a survival expectation of above six months only in rare cases. Despite advances in the characterization of the underlying molecular pathways and in the development of specific targeted treatments, available chemo- and immuno-therapy are unable to prolong survival significantly in advanced-stage melanoma. Rai like protein (RaLP) is a newly identified Src homology 2 domain containing (Shc) family member selectively expressed during the transition to metastatic melanoma and thus is a potential melanoma-specific drugable target.
Objective:
To summarize progress in the ongoing therapeutic approaches to metastatic melanoma and discuss RaLP as a potential novel therapeutic target.
Methods:
Current understanding of the major signaling pathways involved in melanoma metastatization and of the corresponding pharmacological inhibitors is discussed.
Conclusion:
RaLP might represent a new drugable target for the treatment of metastatic disease.
Insights
Metastatic melanoma is aggressive, with limited treatment success. Rai-like protein (RaLP), a novel target, shows promise for melanoma-specific therapies, potentially improving patient outcomes.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Research
Background:
- Metastatic melanoma is a highly aggressive cancer with poor prognosis.
- Current therapies offer limited survival benefits for advanced-stage disease.
- Rai-like protein (RaLP) is selectively expressed during melanoma metastasis.
Purpose of the Study:
- To review current therapeutic strategies for metastatic melanoma.
- To evaluate Rai-like protein (RaLP) as a potential therapeutic target.
Main Methods:
- Discussion of key signaling pathways in melanoma metastasis.
- Review of existing pharmacological inhibitors for these pathways.
Main Results:
- Rai-like protein (RaLP) is identified as a novel therapeutic target.
- RaLP's selective expression suggests melanoma-specific targeting potential.
Conclusions:
- Rai-like protein (RaLP) represents a promising new drugable target for metastatic melanoma.
- Targeting RaLP could lead to improved treatment outcomes for advanced melanoma.
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