Starch and Sucrose Metabolism, Factor Promoting Cardiogenesis in Vertebrates, Role of NANOG in Mammalian Embryonic Stem Cell Pluripotency, Role of Osteoblasts, Osteoclasts and Chondrocytes in Rheumatoid Arthritis, Basal Cell Carcinoma Signaling, BMP Signaling. The gene discussed is NANOG; the disease is rheumatoid arthritis.