Inefficient constitutive inhibition of P2X3 receptors by brain natriuretic peptide system contributes to sensitization of trigeminal sensory neurons in a genetic mouse model of familial hemiplegic migraine

Conclusions P2X3 receptors on mouse trigeminal ganglion neurons are subjected to contrasting modulation by inhibitory brain natriuretic peptide and facilitatory calcitonin gene-related peptide that both operate via complex intracellular signaling. In the familial hemiplegic migraine type-1 migraine model, the action of calcitonin gene-related peptide appears to prevail over brain natriuretic peptide, thus suggesting that peripheral inhibition of P2X3 receptors becomes insufficient and contributes to trigeminal pain sensitization.

http://mpx.sagepub.com/cgi/content/abstract/12/0/1744806916646110?rss=1

Source: Molecular Pain - May 11, 2016 Category: Molecular Biology Authors: Marchenkova, A., Vilotti, S., Ntamati, N., van den Maagdenberg, A. M., Nistri, A. Tags: Research Article Source Type: research