Abstract
In an attempt to find out a new molecular counterpart of CCN family protein 2 (CCN2), a matricellular protein with multiple functions, we performed an interactome analysis and found fibroblast growth factor (FGF) -1 as one of the candidates. Solid-phase binding assay indicated specific binding between CCN2 and FGF-1. This binding was also confirmed by surface plasmon resonance (SPR) analysis that revealed a dissociation constant (Kd) of 3.98 nM indicating strong molecular interaction between the two. RNA analysis suggested that both FGF-1 and CCN2 could be produced by chondrocytes and thus their interaction in the cartilage is possible. These findings for the first time indicate the direct interaction of CCN2 and FGF-1 and suggest the co-presence of these molecules in the cartilage microenvironment. CCN2 is a well-known promoter of cartilage development and regeneration, whereas the physiological and pathological role of FGF-1 in cartilage mostly remains unclear. Biological role of FGF-1 itself in cartilage is also suspected.
Original language | English |
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Pages (from-to) | 157-163 |
Number of pages | 7 |
Journal | Journal of Cell Communication and Signaling |
Volume | 8 |
Issue number | 2 |
DOIs | |
Publication status | Published - Jun 2014 |
Keywords
- CCN2
- CTGF
- Cartilage
- Chondrocyte
- FGF-1
ASJC Scopus subject areas
- Biochemistry
- Molecular Biology
- Cell Biology