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Updated: Sep 24, 2025
Spatial and Temporal Control of Murine Melanoma Initiation from Mutant Melanocyte Stem Cells
Published on: June 7, 2019
PTEN as a target in melanoma
Furkan Akif Ince1, Artur Shariev1, Katie Dixon2
1School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia.
Abstract:
PTEN is a well-known tumour suppressor protein that is frequently found to be mutated, inactivated or deleted in a wide range of different cancers. Its tumour suppressive properties result predominantly from its inhibitory effects on the PI3K-AKT signalling pathway. In melanoma, numerous different PTEN mutations have been identified in both melanoma cell lines and melanoma tissue. A number of different molecules can act on PTEN to either promote its suppression of melanoma, while other molecules may antagonise PTEN to inhibit its mechanism of action against melanoma. This review will discuss how the interactions of PTEN with other molecules may have a positive or negative impact on melanoma pathogenesis, giving rise to the potential for PTEN-targeted therapies against melanoma.
Insights
Phosphatase and tensin homolog (PTEN) protein suppresses tumors by inhibiting the PI3K-AKT pathway. PTEN interactions influence melanoma development, offering potential therapeutic targets.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Research
Background:
- Phosphatase and tensin homolog (PTEN) is a critical tumor suppressor protein.
- PTEN inactivation is common in various cancers, including melanoma.
- PTEN primarily functions by inhibiting the phosphoinositide 3-kinase-protein kinase B (PI3K-AKT) signaling pathway.
Purpose of the Study:
- To review the role of PTEN in melanoma pathogenesis.
- To discuss how molecular interactions with PTEN affect melanoma.
- To explore the potential of PTEN-targeted therapies for melanoma.
Main Methods:
- Literature review of PTEN in melanoma.
- Analysis of PTEN mutations in melanoma cell lines and tissues.
- Examination of molecular interactions affecting PTEN activity.
Main Results:
- PTEN mutations are frequently identified in melanoma.
- Various molecules modulate PTEN's tumor-suppressive activity in melanoma.
- Interactions can either promote or antagonize PTEN's function against melanoma.
Conclusions:
- PTEN plays a significant role in melanoma development.
- Understanding PTEN's molecular interactions is key to melanoma treatment.
- Targeting PTEN offers a promising therapeutic strategy for melanoma.
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