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. Author manuscript; available in PMC: 2013 Aug 22.
Published in final edited form as: Cell. 2007 May 4;129(3):605–616. doi: 10.1016/j.cell.2007.02.047

Figure 1.

Figure 1

Per1 and Cry1 Are Required for Sustained mPer2Luc Rhythms in Peripheral Tissue Explants. Representative records of tissue-autonomous mPer2Luc bioluminescence rhythms in SCN explants (A) and lung explants (B) from Per and Cry knockout mice. Tissue explants were dissected (day 0) and immediately cultured in explant medium (EM) for recording. Data are shown beginning immediately following a change to fresh EM (day 8); another medium change occurred at day 15.