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(A) Thioredoxin protein levels in plasma of glaucoma and control subjects. Samples from control and patients with glaucoma were assayed for Trx expression by Western blot. A representative immunoblot is shown. β-actin has been used as loading control. (B) Densitometric evaluation: the bar graph shows the values are expressed as mean standard error of mean of 3 independent analyses. P < 0.05 vs. control. D.U., densitometric units; CTRL, control.
