1. From the Lipid Metabolism Unit (J.J.M.-T., K.J.M., S.A.B., M.S., J.I.A.-L., M.W.F.) and the Center for Computational & Integrative Biology (M.W.F.), Massachusetts General Hospital, Harvard Medical School, Boston; the Department of Medicine (T.A.S., I.T.) and the Departments of Pathology & Cell Biology and Physiology & Cellular Biophysics (I.T.), Columbia University, New York; the Federal University of Minas Gerais (J.I.A.-L.), Belo Horizonte, Brazil; and the Department of Molecular...