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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

The NG2 chondroitin sulfate proteoglycan: a multifunctional proteoglycan associated with immature cells.

In this review, we discuss the properties of the NG2 chondroitin sulfate proteoglycan, a structurally unique, integral membrane proteoglycan that is found on the surfaces of several different types of immature cells. NG2 is associated with multipotential glial precursor cells (O2A progenitor cells), chondroblasts of the developing cartilage, brain capillary endothelial cells, aortic smooth muscle cells, skeletal myoblasts and human melanoma cells. One common feature of these diverse cell types is that they retain the ability to divide throughout the life of the organism. The NG2 proteoglycan is a multifunctional protein; in vitro studies have shown that NG2 binds type VI collagen, interacts with and modulates the activity of the platelet-derived growth factor-alpha receptor, and inhibits neurite outgrowth. These functional properties are analogous to those of other proteoglycans such as syndecan, betaglycan, and neurocan, suggesting that structurally divergent proteoglycans can carry out similar functions within the organism.[1]

References

  1. The NG2 chondroitin sulfate proteoglycan: a multifunctional proteoglycan associated with immature cells. Levine, J.M., Nishiyama, A. Perspectives on developmental neurobiology. (1996) [Pubmed]
 
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