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Fig. 5. Immunohistochemical images of freshwater tilapia gill frozen sections.
(A–C) Double labeling for glycogen synthase (GS) and
Na+/K+-ATPase (NaK); (D–G) double labeling
(arrows) for GS and glycogen phosphorylase (GP); (H–K) double labeling
(arrows) for GS and glycogen. A, D and H are DIC images. GS, GP and glycogen
were co-localized in a specific group of glycogen-rich cells (GRC) that are
adjacent to mitochondrion-rich cells (MRC; labeled with
Na+/K+-ATPase). White dots indicate the outline of the
cells. Scale bar: 10 µm (A–C) and 20 µm (D–K).