mvda knockdown/ overexpression affects heart regeneration in zebrafish. Representative images of ventricular morphology of zebrafish in DMSO, MTZ, and MO + MTZ + EW (A). Statistical analysis of ventricular regeneration (B). C Representative traces of individual zebrafish from different groups during the thigmotaxis test. D Statistical analysis of the movement trajectories. Representative heartbeat fluctuations charts of zebrafish in DMSO, MTZ, MO + MTZ + EW (E). Statistical analysis of the proportion of embryos with normal heartbeat fluctuations (F). Representative images of ventricular morphology of zebrafish in DMSO, MTZ, OE + MTZ (G). Statistical analysis of ventricular regeneration (H). I Representative traces of individual zebrafish from different groups during the thigmotaxis test. J Statistical analysis of the movement trajectories. Representative heartbeat fluctuations charts of zebrafish in DMSO, MTZ, OE + MTZ (K). Statistical analysis of the proportion of embryos with normal heartbeat fluctuations (L). *, P < 0.05; **, P < 0.01; ***, P < 0.001, ****, P < 0.0001. Scale bar: 20 μm
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