The world's first wiki where authorship really matters (Nature Genetics, 2008). Due credit and reputation for authors. Imagine a global collaborative knowledge base for original thoughts. Search thousands of articles and collaborate with scientists around the globe.

wikigene or wiki gene protein drug chemical gene disease author authorship tracking collaborative publishing evolutionary knowledge reputation system wiki2.0 global collaboration genes proteins drugs chemicals diseases compound
Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Hyaluronic acid-dependent change in the extracellular matrix of mouse dermal fibroblasts that is conducive to cell proliferation.

Fluorescein isothiocyanate (FITC)-labelled hyaluronic acid, when incubated with subconfluent cultures of mouse dermal fibroblasts, was incorporated into the extracellular matrix. Deposition of the fluorescent label reached the maximum about 48 h after its addition. Hyaluronic acid decasaccharide, but not octasaccharide, inhibited the incorporation of the fluorescent label, suggesting that at least 10 sugar units in length are necessary for the incorporation of hyaluronic acid. A 2 M-urea extract of the cell layer had the ability to bind [3H]hyaluronic acid. Again, the binding was inhibited by hyaluronic acid decasaccharide but not by octasaccharide, suggesting the presence in the urea extract of a hyaluronic acid-binding molecule that may participate in the incorporation of hyaluronic acid. A supramolecular aggregate prepared by rate-zonal sedimentation from the 2 M-urea extract contained chondroitin sulphate proteoglycans capable of interacting with hyaluronic acid. Their core molecules were identical in size with those from a hyaluronic acid-binding chondroitin sulphate proteoglycan (PG-M) previously described in chick embryo fibroblasts. Immunofluorescence analyses with anti-proteoheparan sulphate antibodies indicated that both exogenous addition of hyaluronic acid and enhanced synthesis of hyaluronic acid caused a preferential decline in the proteoheparan sulphate level in the extracellular matrix. Subsequent to this change, the cells began transient DNA synthesis. We suggest that hyaluronic acid-dependent modulation of the level of proteoheparan sulphate in the extracellular matrix could be a causal event of cell proliferation.[1]


  1. Hyaluronic acid-dependent change in the extracellular matrix of mouse dermal fibroblasts that is conducive to cell proliferation. Yoneda, M., Shimizu, S., Nishi, Y., Yamagata, M., Suzuki, S., Kimata, K. J. Cell. Sci. (1988) [Pubmed]
WikiGenes - Universities