Please help determine what cells are in the proximal tubules of zebrafish. They have highly condensed nuclei, but I suspect that this is not karyopiches of apoptotic cells, but mitosis of normal cells. Or were these cells attracted outside? Is there a light cytoplasm around them or is it destroyed? There are quite a lot of them in fish samples from the control group (Fig. 1), which were injected with saline into the kidney. Something similar can be found in zebrafish in the norm, but very, very rarely.

I had significant differences in the number of such cells in fish of the control and experimental (Fig. 2-5) groups. Can a large number of these cells indicate inflammation or increased regeneration?

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