Abstract:Diffusely infiltrating astrocytomas are central nervous system tumors originating from astrocytic glial cells or their precursor cells. In this retrospective study we investigated the content of hyaluronan and the expression of hyaluronan metabolizing enzymes and its cell surface receptor, CD44, in these aggressive tumors. Hyaluronan is a large extracellular matrix molecule synthesized by three hyaluronan synthases (HAS1-3) on the plasma membrane and degraded by two hyaluronidases (HYAL1-2). In many tumors, ab… Show more
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