Scarr, E., Craig, J. M., Carroll, A. P., Saffery, R., Dean, B., Cairns, M. J., Seo, M. S., Galati, J. C., Beveridge, N. J,, Gibbons, A., Juzva, S., Weinrich, B., Parkinson-Bates, M.. Nature Publishing Group; 2013. Decreased cortical muscarinic M1 receptors in schizophrenia are associated with changes in gene promoter methylation, mRNA and gene targeting microRNA.