ZFIN Image: Zheng et al., 2026, Figure 9

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Figure Caption

Figure 9

Effects of TBT exposure on dopamine content and oxidative stress parameters in different brain regions. (A) Relative dopamine levels in forebrain, midbrain, hindbrain, and TH mRNA expression after exposure to different concentrations of TBT (0, 20, 100, and 500 ng/L). (B) Impact of TBT exposure on oxidative stress markers including SOD activity (U/mg protein), catalase activity (U/mg protein), relative SOD2 mRNA levels, relative CAT mRNA levels, and relative ROS levels. Data are presented as mean ± SD (n = 3 for dopamine levels, enzyme activities and ROS levels; n = 4 for mRNA expression analyses). Statistical significance: ns (not significant), * p < 0.05, ** p < 0.01, *** p < 0.001 compared to control (CK) group.

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