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Chemical-Induced Skin Carcinogenesis Model Using Dimethylbenz[a]Anthracene and 12-O-Tetradecanoyl Phorbol-13-Acetate (DMBA-TPA)
Published on: December 19, 2019
MMPs' Impact on Carcinogenesis in Specific Organs and Systems
Marta Lewoc-Magnuszewska1, Barbara Choromańska1, Mateusz Maciejczyk2
11st Department of General and Endocrine Surgery, Medical University of Bialystok, 24a M. Sklodowskiej-Curie Street, 15-276 Bialystok, Poland.
Abstract:
Cancer remains a primary global health and economic challenge, characterized by complex mechanisms of carcinogenesis and metastasis. Central to these processes is the dysregulation of matrix metalloproteinases, a family of zinc-dependent proteases. While traditionally recognized for their role in extracellular matrix remodeling, MMPs are now understood as versatile regulators of both intra- and extracellular signaling. This review explores the characteristics and diverse functional roles of MMPs in representative cancers, highlighting their transition from simple matrix degraders to complex modulators of the tumor microenvironment. Current evidence indicates that non-selective inhibition of all MMPs is unlikely to be an effective therapeutic strategy. Instead, a more targeted approach focusing on specific MMPs and disease stages may be required.
Insights
Matrix metalloproteinases (MMPs) are key in cancer progression. Targeting specific MMPs, not all, is crucial for effective cancer therapy, moving beyond their matrix-degrading roles.
Area of Science:
- Oncology
- Biochemistry
- Molecular Biology
Background:
- Cancer presents significant global health and economic challenges.
- Matrix metalloproteinases (MMPs), zinc-dependent proteases, are implicated in carcinogenesis and metastasis.
- MMPs' roles extend beyond extracellular matrix remodeling to intra- and extracellular signaling.
Purpose of the Study:
- To review the characteristics and functions of MMPs in various cancers.
- To highlight MMPs' evolving roles in the tumor microenvironment.
- To assess the therapeutic potential of MMP inhibition.
Main Methods:
- Literature review of MMP functions in cancer.
- Analysis of MMPs' roles in carcinogenesis and metastasis.
- Evaluation of evidence regarding MMP inhibition strategies.
Main Results:
- MMPs are versatile regulators of signaling pathways.
- MMPs act as complex modulators of the tumor microenvironment.
- Non-selective MMP inhibition shows limited therapeutic efficacy.
Conclusions:
- Targeting specific MMPs is more promising than broad-spectrum inhibition.
- Therapeutic strategies should consider specific MMPs and cancer stages.
- A nuanced approach to MMPs is needed for effective cancer treatment.
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