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HKM is spatially and temporally regulated in the developing and adult retina. (A–L) Immunofluorescence detection of H3K4me3 (A–D, red), H3K27me3 (E–H, red), and H3K9me2 (I–L, red) was overlaid on the nuclear counterstain (DAPI, blue) at E16, E18, P0, and adult. Scale bar, 20 μm.
