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Matrix metalloproteinase-2 as a target for head and neck cancer therapy
Ming-Hsien Chien1, Chiao-Wen Lin, Chao-Wen Cheng
1Taipei Medical University, Taipei, Graduate Institute of Clinical Medicine, College of Medicine, Taipei, Taiwan.
Introduction:
Matrix metalloproteinase (MMP)-2 is a zinc-dependent proteinase that is capable of cleaving all extracellular matrix (ECM) substrates. Degradation of the matrix is a key event in the progression, invasion, and metastasis of potentially malignant and malignant lesions of the head and neck. Therefore, blocking MMP-2 expression or activity may present a promising strategy for anticancer treatment.
Areas Covered:
Current understanding of the molecular mechanisms that govern MMP-2 regulation and its tumorigenic effects, and that are involved in the initiation and progression of head and neck cancers, in particular the emerging role of MMP-2 in cell migration, which is a prerequisite for tumor metastasis. MMP-2 gene polymorphisms, cellular substrates, and interacting proteins are summarized. The current state of drugs that target this enzyme, either alone or in combination with other targeted agents are also discussed.
Expert Opinion:
MMP-2 has long been a drug target. The current status of MMP-2 inhibitors as anticancer agents and their failure in the clinic is discussed in light of new data on the MMP-2s role as a cell surface transducer - data that may lead to the design and development of novel, MMP-2-targeting inhibitors.
Insights
Matrix metalloproteinase-2 (MMP-2) plays a key role in head and neck cancer progression and metastasis. New insights into MMP-2
Area of Science:
- Oncology
- Molecular Biology
- Biochemistry
Background:
- Matrix metalloproteinase-2 (MMP-2) is a key enzyme in extracellular matrix degradation.
- ECM degradation is critical for the invasion and metastasis of head and neck cancers.
- Targeting MMP-2 offers a potential anticancer treatment strategy.
Purpose of the Study:
- To review the molecular mechanisms regulating MMP-2 in head and neck cancers.
- To explore MMP-2's role in cell migration and tumor metastasis.
- To summarize current MMP-2 inhibitors and their clinical efficacy.
Main Methods:
- Review of molecular mechanisms governing MMP-2.
- Analysis of MMP-2's role in cell migration and metastasis.
- Summary of MMP-2 gene polymorphisms, substrates, and interacting proteins.
- Discussion of existing MMP-2 targeting drugs.
Main Results:
- MMP-2 is implicated in head and neck cancer initiation, progression, and metastasis.
- MMP-2's role in cell migration is crucial for tumor spread.
- Previous MMP-2 inhibitors have shown limited clinical success.
Conclusions:
- MMP-2 has been a long-standing drug target for cancer therapy.
- The failure of current MMP-2 inhibitors may stem from incomplete understanding of its function.
- New data on MMP-2 as a cell surface transducer could lead to novel inhibitor development.
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