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Updated: Jul 30, 2025

A 3D Organotypic Melanoma Spheroid Skin Model
Published on: May 18, 2018
Therapeutic targeting of anoikis resistance in cutaneous melanoma metastasis
Hannah M Neuendorf1,2, Jacinta L Simmons1,2,3, Glen M Boyle1,2,3
1Cancer Drug Mechanisms Group, QIMR Berghofer Medical Research Institute, Herston, QLD, Australia.
Abstract:
The acquisition of resistance to anoikis, the cell death induced by loss of adhesion to the extracellular matrix, is an absolute requirement for the survival of disseminating and circulating tumour cells (CTCs), and for the seeding of metastatic lesions. In melanoma, a range of intracellular signalling cascades have been identified as potential drivers of anoikis resistance, however a full understanding of the process is yet to be attained. Mechanisms of anoikis resistance pose an attractive target for the therapeutic treatment of disseminating and circulating melanoma cells. This review explores the range of small molecule, peptide and antibody inhibitors targeting molecules involved in anoikis resistance in melanoma, and may be repurposed to prevent metastatic melanoma prior to its initiation, potentially improving the prognosis for patients.
Insights
Anoikis resistance is crucial for melanoma cell survival and metastasis. Targeting this resistance with inhibitors may prevent melanoma spread and improve patient outcomes.
Area of Science:
- Oncology
- Cell Biology
- Cancer Metastasis
Background:
- Anoikis, or cell death upon detachment, is a barrier to tumor cell dissemination.
- Melanoma cells must overcome anoikis to survive and form metastases.
- Understanding anoikis resistance mechanisms is key to preventing melanoma spread.
Purpose of the Study:
- To review inhibitors targeting anoikis resistance in melanoma.
- To explore therapeutic strategies for preventing melanoma metastasis initiation.
- To identify potential treatments for circulating tumor cells (CTCs).
Main Methods:
- Literature review of intracellular signaling cascades in anoikis resistance.
- Analysis of small molecule, peptide, and antibody inhibitors.
- Exploration of therapeutic repurposing for melanoma treatment.
Main Results:
- Several intracellular signaling pathways contribute to anoikis resistance in melanoma.
- Various inhibitors targeting these pathways have been identified.
- These inhibitors show potential for repurposing to prevent melanoma metastasis.
Conclusions:
- Targeting anoikis resistance is a promising therapeutic strategy for melanoma.
- Inhibitors of anoikis resistance may prevent the initiation of metastatic lesions.
- Repurposing existing drugs could offer new avenues for melanoma treatment and improved patient prognosis.
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