There is no treatment for fibrotic disease is a significant cause of mortality. CCN2 Members of the CCN family of matricellular proteins have a characteristic four domain structure. CCN2 (connective tissue growth factor) is believed to play an essential role in fibrogenesis. In a recent paper, data are provided that CCN5 (wisp2), which lacks the carboxy-terminal heparin-binding domain shared by the other CCN proteins, may act as a dominant-negative protein to suppress CCN2-mediated fibrogenesis. These data are consistent with the notion that different CCN proteins may enhance or suppress each other’s action and also suggest that CCN5, may be used as a novel anti-fibrotic therapy.
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