Table 1.

GSH/GSSG ratios in cell lysates (1 × 10⁶ cells in 0.1% TFA) according to HPLC–MS/MS analysis (Section 2.7). Mean ± SD are shown (n = 3, ** p < 0.01, *** p < 0.001 vs. LN-229 cells; ^### p < 0.001 vs. pre-trypsinized cells).

Samples	3T3 Fibroblasts	LN-229 Cells
Pre-trypsinized	161 ± 9 **	127 ± 4
Scraped	265 ± 14 ***,###	193 ± 7 ###