Catalyzes the addition of GlcNAc or GlcUA monosaccharides to the nascent hyaluronan polymer. Therefore, it is essential to hyaluronan synthesis a major component of most extracellular matrices that has a structural role in tissues architectures and regulates cell adhesion, migration and differentiation. This is one of the isozymes catalyzing that reaction and it is particularly responsible for the synthesis of high molecular mass hyaluronan. Required for the transition of endocardial cushion cells into mesenchymal cells, a process crucial for heart development. May also play a role in vasculogenesis. High molecular mass hyaluronan also play a role in early contact inhibition a process which stops cell growth when cells come into contact with each other or the extracellular matrix.
Specificity
Natural and recombinant Bovine Hyaluronan synthase 2
"Hyaluronan synthase is expressed during cumulus-oocyte complex maturation in the cow." Einspanier R., Patzner K., Lauer B., Berisha B. Submitted (1998-03) to the EMBL/GenBank/DDBJ databases
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