DPYSL5 and Autoimmunity: Given that PCA-2 was frequently associated with other antibodies, such as anti-Hu, anti-CV2/CRMP5, anti-neuron type AChR, anti-VGCC of the P/Q type and anti-VGCC of the N type, it is conceivable that some of those syndromes were not or not exclusively caused by PCA-2-related autoimmunity.