Regarding the four patients with LE, patient #2 exhibited anti-Ma2 antibodies, patient #3 displayed anti-ΙgLON5 antibodies, patient #10 showed GAD65 antibodies, while patient #6, who presented clinical overlap with LEMS, expressed both anti-Hu and anti-P/Q-VGCC (voltage-gated calcium channel) antibodies (Table 2). Here, PNMA2 is linked to Lambert-Eaton myasthenic syndrome.