RARB (Retinoic Acid Receptor Beta): RARB is a nuclear receptor for retinoic acid, a metabolite of vitamin A. It regulates gene expression in various developmental processes, particularly in the growth and differentiation of epithelial tissues and in the development of the nervous system. Abnormal expression or function of RARB has been linked to several types of cancers, including skin, lung, and breast cancer. It is also a focus in studies of developmental disorders and the potential therapeutic use of retinoids....