Abstract
Extracellular sulfatases (SULF1 and SULF2) selectively remove 6-O-sulfate groups from heparan sulfate proteoglycans (HSPGs) and by this process control important interactions of HSPGs with extracellular factors including morphogens, growth factors, and extracellular matrix components. The expression of SULF1 and SULF2 is dynamically regulated during development and is altered in pathological states such as glioblastoma (GBM), a highly malignant and highly invasive brain cancer. SULF2 protein is increased in an important subset of human GBM and it helps regulate receptor tyrosine kinase signaling and tumor growth in a murine model of the disease. By altering ligand binding to HSPGs, SULF2 has the potential to modify the extracellular availability of factors important in a number of cell processes including proliferation, chemotaxis, and migration. Diffuse invasion of malignant tumor cells into surrounding healthy brain is a characteristic feature of GBM that makes therapy challenging. Here, we describe methods to assess SULF2 expression in human tumor tissue and cell lines and how to relate this to tumor cell invasion.
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Wade, A., Engler, J.R., Tran, V.M., Phillips, J.J. (2015). Measuring Sulfatase Expression and Invasion in Glioblastoma. In: Balagurunathan, K., Nakato, H., Desai, U. (eds) Glycosaminoglycans. Methods in Molecular Biology, vol 1229. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-1714-3_39
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DOI: https://doi.org/10.1007/978-1-4939-1714-3_39
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Publisher Name: Humana Press, New York, NY
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