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Updated: May 7, 2026
05:48
Tissue Engineering of Tumor Stromal Microenvironment with Application to Cancer Cell Invasion
Published on: March 18, 2014
Collagen XV: exploring its structure and role within the tumor microenvironment
Anthony George Clementz1, Ann Harris
1Human Molecular Genetics Program, Lurie Children's Research Center, 2430 North Halsted Street, Chicago, IL 60614. Ann-Harris@northwestern.edu.
Molecular Cancer Research : MCR
|September 18, 2013
Summary
Collagen XV, a nonfibrillar protein in the extracellular matrix (ECM), is lost before tumor metastasis. Its presence maintains basement membrane integrity, suppressing cancer cell migration and malignancy.
Area of Science:
- Biochemistry
- Cell Biology
- Oncology
Background:
- The extracellular matrix (ECM) regulates cell interactions, influencing tumor invasion and metastasis.
- Fibrillar collagens provide structural integrity, but are altered in early invasive cancers.
- Nonfibrillar collagen XV, normally in basement membranes, is lost prior to metastasis.
Purpose of the Study:
- To review the structure and function of collagen XV.
- To elucidate the role of collagen XV in cell signaling and malignancy suppression.
Main Methods:
- Literature review of collagen XV structure, function, and signaling pathways.
- Analysis of collagen XV's role in basement membrane integrity and tumor cell migration.
Main Results:
- Collagen XV's unique localization and disappearance correlate with tumor invasion.
- Increased synthesis of fibrillar collagens (I and IV) is associated with fibrosis in the tumor microenvironment.
- Collagen XV's presence is linked to maintaining basement membrane integrity.
Conclusions:
- Collagen XV plays a critical role in suppressing malignancy by maintaining basement membrane integrity.
- Loss of collagen XV may facilitate tumor cell migration and metastasis.
- Understanding collagen XV's signaling pathways offers insights into cancer prevention.
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