- Mice with targeted disruption of the Dio2 gene have cold-induced overexpression of the uncoupling protein 1 gene but fail to increase brown adipose tissue lipogenesis and adaptive thermogenesis. Christoffolete, M.A., Linardi, C.C., de Jesus, L., Ebina, K.N., Carvalho, S.D., Ribeiro, M.O., Rabelo, R., Curcio, C., Martins, L., Kimura, E.T., Bianco, A.C. Diabetes (2004)