ESR1 and myasthenia gravis: Gene enrichment analysis of these findings implicated ESR1 (estrogen receptor alpha)-, NFKB (nuclear factor kappa B)-, HNF4A (hepatocyte nuclear factor 4 alpha)-, and EGLN3 (PHD3, prolyl hydroxylase enzymes)-related activities as increased in TAMG patients compared to TFH-MG patients (Table 3B).