Similarly, abatacept, a drug for rheumatoid arthritis [73], and aflibercept beta, a drug for age-related macular degeneration, are Fc fusion proteins consisting of the receptor for the human vascular endothelial growth factor (VEGF) attached to the Fc region of an IgG antibody, respectively. The gene discussed is VEGFA; the disease is age-related macular degeneration.