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Chondroitin Sulfate Proteoglycan (NG2, CSPG)

Chondroitin Sulfate Proteoglycan (NG2, CSPG)

Cat no: C5067-70M

Supplier: United States Biological
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The NG2 chondroitin sulfate proteoglycan is a valuable marker for many types of immature progenitor cells including pericytes/smooth muscle cells, chondroblasts and oligodendrocyte progenitors. NG2 is often expressed in melanomas, chondrosarcomas, glioblastomas and myeloid leukemias. Studies indicate that NG2 is involved in modulating cellular response to growth factors and cell motility; these are critical functions in proliferation and migration of immature progenitor cells and tumor cells. Oligodendrocyte precursor cells (OPCs) are a population of NG2 expressing cells in the brain that accumulate in response to CNS injuries. OPCs, together with microglia and astrocytes, form the glial scar, which is believed to inhibit or prevent axonal regeneration partly by producing growth inhibiting NG2 at the injury site8. It has been suggested that inhibiting NG2 at sites of spinal cord injury may increase beneficial axonal regeneration. Studies suggest that NG2 stimulates tumor growth and neovascularization in glioblastoma multiforme by inhibiting angiostatin and thus promoting angiogenesis. As NG2 is associated with increased tunmor cell proliferation, it may be a potential therapeutic marker in brain tumors. Applications: Suitable for use in Immunofluorescence and Immunohistochemistry. Other applications not tested. Recommended Dilutions: Immunohistochemistry (Frozen): 1:100-1:400 Immunofluorescence: 1:100-1:400 Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Catalogue number: C5067-70M
Reactivities: Human, Mouse, Bovine, Chicken/Bird
Hosts: Mouse
Applications: Immunofluorescence, Immunohistochemistry
Size: 100ul
Form: Supplied as a liquid, 0.09% sodium azide.
P type: Mab
Isotype: IgM
Purity: Ascites
References: 1. Avnur, Z. et al (1985) Spatial interrelationships between proteoglycans and extracellular matrix proteins in cell cultures. Exp Cell Res. 158:321-32. 2. Avnur, Z.et al (1984) Immunocytochemical Localization of Native Chondroitin-Sulphate in Tissues and Cultured Cells Using Specific Monoclonal Antibody. Cell 38: 811-822.
Additional info: Recognizes chicken Chondroitin sulfate types A and C (not B, dermatan sulfate). Gives positive staining in bovine mammary gland epithelial cells and human, chicken and mouse fibroblast or tissues. Species Crossreactivity: bovine, human and mouse.

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