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

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Activation of the sphingomyelin cycle through the low-affinity neurotrophin receptor.

The role of the low-affinity neurotrophin receptor (p75NTR) in signal transduction is undefined. Nerve growth factor can activate the sphingomyelin cycle, generating the putative-lipid second messenger ceramide. In T9 glioma cells, addition of a cell-permeable ceramide analog mimicked the effects of nerve growth factor on cell growth inhibition and process formation. This signaling pathway appears to be mediated by p75NTR in T9 cells and NIH 3T3 cells overexpressing p75NTR. Expression of an epidermal growth factor receptor-p75NTR chimera in T9 cells imparted to epidermal growth factor the ability to activate the sphingomyelin cycle. These data demonstrate that p75NTR is capable of signaling independently of the trk neurotrophin receptor (p140trk) and that ceramide may be a mediator in neurotrophin biology.[1]

References

  1. Activation of the sphingomyelin cycle through the low-affinity neurotrophin receptor. Dobrowsky, R.T., Werner, M.H., Castellino, A.M., Chao, M.V., Hannun, Y.A. Science (1994) [Pubmed]
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