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      Heparan sulfate proteoglycan modulation of developmental signaling in Drosophila.

      Biochimica et Biophysica Acta
      Elsevier BV

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          Abstract

          Heparan sulphate proteoglycans (HSPG's) are cell surface proteins to which long, unbranched chains of modified sugars called heparan sulphate glycosaminoglycans have been covalently attached. Cell culture studies have demonstrated that HSPG's are required for optimal signal transduction by many secreted cell signaling molecules. Now, genetic studies in both Drosophila and vertebrates have illustrated that HSPG's play important roles in signal transduction in vivo and have also begun to reveal new roles for HSPG's in signaling events. In particular, HSPG's have been shown to be important in ligand sequestration of wingless, for the transport of the Hedgehog ligand, and for modulation of the Dpp morphogenetic gradient.

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          Journal
          10.1016/s0304-4165(02)00395-1
          12417410

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