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

Activation of NMDA receptors reverses desensitization of mGluR5 in native and recombinant systems.

The metabotropic glutamate receptor, mGluR5, has a critical role in induction of NMDA-receptor-dependent forms of synaptic plasticity and excitotoxicity. This is likely mediated by a reciprocal positive-feedback interaction between these two glutamate receptor subtypes in which activation of mGluR5 potentiates NMDA receptor currents and NMDA receptor activation potentiates mGluR5-mediated responses. We have investigated the mechanism by which NMDA receptor activation modulates mGluR5 function and find evidence that this response is mediated by activation of a protein phosphatase and a resultant dephosphorylation of protein kinase C phosphorylation sites on mGluR5. This form of neuromodulation may be important in a number of normal and pathological processes that involve activation of the NMDA receptor.[1]

References

  1. Activation of NMDA receptors reverses desensitization of mGluR5 in native and recombinant systems. Alagarsamy, S., Marino, M.J., Rouse, S.T., Gereau, R.W., Heinemann, S.F., Conn, P.J. Nat. Neurosci. (1999) [Pubmed]
 
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