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CCN proteins and cancer: two to tango
Anne-Marie Bleau1, Nathalie Planque, Bernard Perbal
1Université Paris 7-D.Diderot, Laboratoire d Oncologie Virale et Moléculaire, 2 place Jussieu, Case 7048, 75251 Paris Cedex France.
Frontiers in Bioscience : a Journal and Virtual Library
|March 17, 2005
Summary
The CCN gene family, including CCN1 and CCN3 proteins, plays crucial roles in cell functions and diseases like cancer. CCN1 promotes tumors, while CCN3 suppresses them, offering distinct therapeutic targets.
Area of Science:
- Molecular Biology
- Cell Biology
- Cancer Research
Background:
- CCN genes encode secreted proteins crucial for extracellular matrix interactions.
- These proteins regulate vital cellular processes including adhesion, migration, proliferation, differentiation, and survival.
- CCN genes are implicated in various physiological and pathological conditions, including pregnancy, development, angiogenesis, wound repair, inflammation, fibrosis, and tumorigenesis.
Purpose of the Study:
- To review the distinct and often opposing roles of CCN1 and CCN3 proteins in tumorigenesis.
- To discuss the significance of differential expression patterns of CCN1 and CCN3 in various cancers.
Main Methods:
- Literature review focusing on CCN1 and CCN3 functions in cancer.
- Analysis of existing data on CCN gene expression profiles in different cancer types.
Main Results:
- CCN1 is identified as a tumor-promoting factor and a key regulator of cancer progression.
- CCN3 demonstrates tumor-suppressive capabilities.
- Distinct expression profiles of CCN1 and CCN3 are observed in numerous cancers, suggesting context-dependent roles.
Conclusions:
- CCN1 and CCN3 exhibit opposing functions in tumorigenesis, with CCN1 promoting and CCN3 suppressing cancer development.
- The differential expression of CCN1 and CCN3 in cancers highlights their potential as prognostic markers and therapeutic targets.