Journal
CELL ADHESION & MIGRATION
Volume 6, Issue 3, Pages 249-260Publisher
TAYLOR & FRANCIS INC
DOI: 10.4161/cam.20567
Keywords
collagen; multiphoton microscopy; second harmonic generation; breast cancer; biomarker; stroma; fibroblast; macrophage; lymphocyte; extracellular matrix; caveolin-1; survival; prognosis; invasion; metastasis; gene expression signature; syndecan
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Funding
- Mary Kay Ash Charitable Foundation
- Coulter Foundation
- NIH [RO1 CA114462, RO1 CA142833]
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Survival and recurrence rates in breast cancer are variable for common diagnoses, and therefore the biological underpinnings of the disease that determine those outcomes are yet to be fully understood. As a result, translational medicine is one of the fastest growing arenas of study in tumor biology. With advancements in genetic and imaging techniques, archived biopsies can be examined for purposes other than diagnosis. There is a great deal of evidence that points to the stroma as the major regulator of tumor progression following the initial stages of tumor formation, and the stroma may also contribute to risk factors determining tumor formation. Therefore, aspects of stromal biology are well-suited to be a focus for studies of patient outcome, where statistical differences in survival among patients provide evidence as to whether that stromal component is a signpost for tumor progression. In this review we summarize the latest research done where breast cancer patient survival was correlated with aspects of stromal biology, which have been put into four categories: reorganization of the extracellular matrix (ECM) to promote invasion, changes in the expression of stromal cell types, changes in stromal gene expression, and changes in cell biology signaling cascades to and from the stroma.
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