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Immunofluorescence staining of α-SMA in the smooth muscle of thoracic aorta. DAPI (blue) labels the nucleus, and CY3 (red) labels α-SMA. The scale in left column = 500 μm. The scale in right column = 50 μm. The white arrows are nuclear translocation changes. SA: summer active, LT: late torpor, IBA: interbout arousal, Lu: lumen, int: intima, m: media, ad: adventitia.
