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. 2024 Apr 8;10:167. doi: 10.1038/s41420-024-01939-y

Fig. 2. TM reduces α-syn generation in neurons.

Fig. 2

a Representative western blotting of TM and α-syn in the PC12 cells treated with TM plasmid (TM). b Densitometry analysis of TM and α-syn in (a). n = 3 represents three independent experiments. Data are mean ± SEM, and an unpaired t test with two-tailed was used for statistical analysis. c Representative confocal images of TM (green) and α-syn (green) in the primary neurons (DIV10, left panel: red; right panel: yellow) treated with lentiviral carrying TM plasmid or Vector plasmid for 72 h. Scale bar represents 10 μm. d The fluorescent area of TM and α-syn in (c) was quantified by IpWin32 software. n = 3 represents three independent experiments. Data are mean ± SEM, and an unpaired t test with two-tailed was used for statistical analysis. e The levels of α-syn in primary neurons (DIV10) treated with TM or Vector was determined by ELISA. n = 3 represents three independent experiments. Data are mean ± SEM, and an unpaired t test with two-tailed was used for statistical analysis. f Representative western blotting of TM and α-syn in the primary neurons treated with TM plasmid (TM). g Densitometry analysis of TM and α-syn in (f). n = 3 represents three independent experiments. Data are mean ± SEM, and an unpaired t test with two-tailed was used for statistical analysis. h The levels of TM, RAGE, t-Erk1/2, p-Erk1/2, t-c-Jun, p-c-Jun and α-syn in primary neurons with TM overexpression were analyzed by western blotting. β-actin was used as a control. i Relative levels of TM, RAGE, t-Erk1/2, p-Erk1/2, t-c-Jun, p-c-Jun and α-syn in (h) were quantified using Image J software. n = 3 represents three independent experiments. Data are mean ± SEM, and a one-way ANOVA followed by Tukey’s multiple comparison test. j The mRNA levels of THBD, RAGE, Erk1/2, c-Jun and SNCA (encodes α-syn) in primary neurons with TM overexpression or control were detected by qPCR. n = 3 represents three independent experiments. Data are mean ± SEM, and a one-way ANOVA followed by Tukey’s multiple comparison test. *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001, ns, not significant.