... S DS/PAGE with 10% of input35S-labelled DEC1,and visualized by autoradiography.Ó FEBS 2004 Interaction of DEC1 with BMAL1 (Eur. J. Biochem. 271) 4417Functional analysis of the basic helix-loop-helix ... Kato11Department of Dental and Medical Biochemistry, Hiroshima University Graduate School of Biomedical Sciences, Hiroshima, Japan;2Department of Physiology, Hokkaido University Graduate School of Medicine, ... for the rhythmic expression of Dec1, and the feedback loop of DEC1 (as well as that of BMAL1) might be interlocked with the core feedback loopto constitute a network of the circadian clock system[11,12,14]....