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Published on: July 29, 2011
Cell adhesion molecules as targets for therapy of neuroblastoma
Karina Jin Yoon1, Mary K Danks
1Department of Molecular Pharmacology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
Abstract:
Cell adhesion molecules (CAMs) are glycoproteins expressed on the surface of cell membranes. In normal cells, CAMs participate in a variety of biological processes including cell proliferation, migration and differentiation. In tumor cells, CAMs have been reported to function as oncogenes or tumor suppressors, in signal transduction and as regulators of tumor progression and metastasis. CAMs interact directly with each other as well as with multiple intracellular proteins and extracellular matrix components. Relevant to this review, direct and indirect interactions of CAMs with the extracellular matrix and with the actin cytoskeletal network control cell motility. Cell motility, in turn, regulates the migratory and invasive potential, i.e., the metastatic potential, of tumor cells. The question to be addressed in this review is whether CAM-mediated molecular interactions that regulate metastasis represent potential therapeutic targets for metastatic neuroblastoma.
Insights
Cell adhesion molecules (CAMs) regulate tumor cell metastasis. Targeting CAM interactions with the extracellular matrix and cytoskeleton may offer new therapeutic strategies for metastatic neuroblastoma.
Area of Science:
- Molecular biology
- Cancer research
- Cell biology
Background:
- Cell adhesion molecules (CAMs) are cell surface glycoproteins vital for normal cellular functions like proliferation and migration.
- In tumors, CAMs influence oncogenesis, signal transduction, and metastasis.
- CAMs mediate cell-cell and cell-matrix interactions, impacting cell motility.
Purpose of the Study:
- To explore the role of CAM-mediated interactions in regulating tumor metastasis.
- To evaluate CAM-based molecular interactions as potential therapeutic targets for metastatic neuroblastoma.
Main Methods:
- Review of existing literature on CAMs, cell motility, and neuroblastoma metastasis.
- Analysis of molecular mechanisms underlying CAM interactions with the extracellular matrix and cytoskeleton.
- Assessment of therapeutic potential of targeting these interactions.
Main Results:
- CAMs control cell motility through interactions with the extracellular matrix and actin cytoskeleton.
- These motility-regulating interactions are crucial for tumor cell invasion and metastasis.
- CAMs can act as oncogenes or tumor suppressors in cancer progression.
Conclusions:
- CAM-mediated molecular interactions are key regulators of neuroblastoma metastasis.
- Targeting these CAM interactions presents a promising therapeutic avenue for metastatic neuroblastoma.
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