Tumor necrosis factor (TNF), interleukin-6 (IL-6), interleukin-1B (IL-1B), apoptosis regulator Bcl-2 (BCL2), prostaglandin G/H synthase 2 (PTGS2), cellular tumor antigen p53 (TP53), and epidermal growth factor (EGF) were the main targets for the therapy of hypothyroidism. The gene discussed is EGF; the disease is hypothyroidism.