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. 2011 Sep 1;214(17):2903–2910. doi: 10.1242/jeb.057935

Fig. 2.

Fig. 2.

Thioredoxin, thioredoxin reductase and glutaredoxin increase with maturation in hooded seals. (A) Thioredoxin reductase (TrxR) activity, (B) glutathione disulphide reductase (GR) activity, (C) thioredoxin (Trx) protein expression and (D) glutaredoxin 1 (Glrx1) protein expression in neonates, weaned pups and adult hooded seals. One unit of TrxR activity is defined as the NADPH-dependent production of 2 μmol 2-nitro-5-thiobenzoate min–1 at 22°C. One unit of GR is defined as the amount of enzyme needed to oxidize 1 nmol of NADPH to NADP+ per minute at 25°C. Data are means ± s.e.m. *, P<0.05.