Author contributions
YG and QX designed the study. XZ, XW, XD, HG and XJ collected the samples of patients with myasthenia gravis. XZ, SC, JT and LC performed experiments. YG and XZ instructed and supervised laboratory experiments. YS, JT, XJ and HG analyzed the data. QF and MW provided funding and administrative support. XZ wrote the manuscript. QX revised the manuscript. All authors reviewed and approved the revised manuscript.