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Table 1 Circulating levels of testosterone, IGF-I and insulin in the three experimental groups.

From: Hepatoprotection and neuroprotection induced by low doses of IGF-II in aging rats

 

Young controls (yCO)

(n = 8)

Untreated old rats (O)

(n = 8)

Old rats treated with IGF-II (O+IGF-II) (n = 8)

Free testosterone (pg/mL)

6.50 ± 1.16

4.01 ± 0.76a

4.07 ± 1.34a

IGF-I (ng/mL)

978.92 ± 63.66

629.12 ± 16.56a

656.00 ± 25.57a

Insulin (ng/mL)

0.45 ± 0.08

1.54 ± 0.43a

1.12 ± 0.10

Total Antioxidant Status (mmol/L)

0.87 ± 0.01

0.79 ± 0.01a

0.87 ± 0.02b

  1. Effect of IGF-II treatment on serum total antioxidant status.
  2. Values are expressed as ± SEM.
  3. a P < 0.05 vs yCO
  4. b P < 0.05 vs O