GRIA3 and epilepsy: Glutamate, iGluR agonists, and/or GluR3B mAb may have beneficial and therapeutic effects for muscle disease-, injury-, and age-related sarcopenia, 5.Autoimmune GluR3B antibodies of NS patients and/or other epilepsy patients may bind GluR3 in skeletal muscle cells, damage these cells, and induce muscle dysfunction and motor problems.