“…This has resulted in a surge of interest in whether a sub-group of people with psychosis have serum antibodies to certain neuronal antigens, although the specificity, sensitivity and clinical relevance of these remain unclear (Coutinho et al, 2014, Deakin et al, 2014, Pollak et al, 2014. These auto-antibodies target synaptic or extrasynaptic membrane-expressed proteins, with greatest interest in antibodies to the N-Methyl-DAspartate receptor (NMDAR) and the voltage gated potassium channel (VGKC)-complex, which includes antigens leucine-rich glioma inactiviated-1(LGI1) and contactin-associated protein-2 (CASPR2) (Ezeoke et al, 2013, Pearlman and Najjar, 2014, Steiner et al, 2013, Zandi et al, 2011.…”