cNAA and cNGT changes in the peri-infarct region.
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(A) MR spectra at baseline and at 3, 9, and 24 h after ischemia. (B, C) The cNAA (B) and cNGT (C) values were plotted against time. The cNAA and cNGT levels decreased over time in the control, NaHS-1, and NaHS-30 groups and reached a similar level at 24 h after I/R modelling in all three groups. The cNAA and cNGT values did not differ significantly between the three groups at any time point other than 9 h after I/R modelling. Data are presented as mean ± standard deviation (n = 8 rats in each group). * P < 0.001 vs. the control group.