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A 3D Organotypic Melanoma Spheroid Skin Model
Published on: May 18, 2018
The RAS/mitogen activated protein (MAP) kinase pathway in melanoma biology and therapeutics
Abel D Jarell1, Donald Lawrence, Hensin Tsao
1Department of Dermatology;
Abstract:
An effective treatment for metastatic melanoma remains one of the most elusive goals in all of oncology. Several generations of therapeutic trials have yet to yield any agents that can significantly prolong survival for widespread disease. Despite this disheartening history, our understanding of the biology and molecular genetics of melanoma hold the promise of a new era of molecular targets. One pathway that appears to be universally activated in and critically needed for melanoma growth is the Ras/mitogen activated protein (MAP) kinase signaling cascade. Since the enzymatic functions of the signaling partners are well characterized, this pathway offers many potential "druggable" candidates including Braf, Mek and Ras itself. In this review, we describe this pathway in the context of melanoma tumorigenesis and discuss some of the current relevant pharmacologic treatments and clinical trials.
Insights
Developing effective treatments for metastatic melanoma is challenging. This review focuses on the Ras/mitogen activated protein (MAP) kinase pathway as a promising target for new melanoma therapies.
Area of Science:
- Oncology
- Molecular Biology
- Dermatology
Background:
- Metastatic melanoma treatment remains a significant challenge in oncology.
- Past therapeutic trials have shown limited success in prolonging survival for advanced disease.
- Advances in understanding melanoma biology reveal potential molecular targets.
Purpose of the Study:
- To review the Ras/mitogen activated protein (MAP) kinase signaling cascade in melanoma.
- To discuss the pathway's critical role in melanoma tumorigenesis.
- To explore current pharmacologic treatments and clinical trials targeting this pathway.
Main Methods:
- Literature review of melanoma biology and molecular genetics.
- Analysis of the Ras/MAP kinase signaling pathway.
- Summary of existing and emerging therapeutic strategies.
Main Results:
- The Ras/MAP kinase pathway is universally activated and essential for melanoma growth.
- Key components like Braf, Mek, and Ras are well-characterized and "druggable".
- This pathway presents numerous opportunities for targeted melanoma therapies.
Conclusions:
- Targeting the Ras/MAP kinase pathway offers a promising new era for metastatic melanoma treatment.
- Further research and clinical trials are crucial for developing effective therapies.
- Understanding molecular targets is key to overcoming treatment resistance.
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