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. Author manuscript; available in PMC: 2010 Feb 15.
Published in final edited form as: Neurosci Lett. 2008 Dec 24;451(1):74–78. doi: 10.1016/j.neulet.2008.12.025

Fig. 2.

Fig. 2

There is a circadian regulation of pERK fluorescence intensity in the retina tissue sections. The immunofluorescence intensity of pERK is higher in the retina tissue fixed at CT 16 than at CT 4. RPE: retina pigment epithelium; OS/IS: outer segment/inner segment; ONL: outer nuclear layer; bar = 20 μm.