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Updated: Aug 7, 2026

Induction of Adhesion-dependent Signals Using Low-intensity Ultrasound
Published on: May 8, 2012
Syndecan-2 mediates adhesion and proliferation of colon carcinoma cells
Haein Park1, Yeonhee Kim, Yangmi Lim
1Department of Life Sciences, Division of Molecular Life Sciences and Center for Cell Signaling Research, Ewha Medical School, Ewha Women's University, Seoul 120-750 Korea.
Abstract:
Syndecan-2 is a transmembrane heparan sulfate proteoglycan whose function at the cell surface is unclear. In this study, we examined the function of syndecan-2 in colon cancer cell lines. In several colon cancer cell lines, syndecan-2 was highly expressed compared with normal cell lines. In contrast, syndecan-1 and -4 were decreased. Cell biological studies using the extracellular domain of recombinant syndecan-2 (2E) or spreading assay with syndecan-2 antibody-coated plates showed that syndecan-2 mediated adhesion and cytoskeletal organization of colon cancer cells. This interaction was critical for the proliferation of colon carcinoma cells. Blocking with 2E or antisense syndecan-2 cDNA induced G(0)/G(1) cell cycle arrest with concomitantly increased expression of p21, p27, and p53. Furthermore, blocking of syndecan-2 through antisense syndecan-2 cDNA significantly reduced tumorigenic activity in colon carcinoma cells. Therefore, increased syndecan-2 expression appears to be a critical for colon carcinoma cell behavior, and syndecan-2 regulates tumorigenic activity through regulation of adhesion and proliferation in colon carcinoma cells.
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