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Table 1 High energy phosphate concentrations in gastrocnemius muscle

From: Iron deficiency causes a shift in AMP-activated protein kinase (AMPK) subunit composition in rat skeletal muscle

 

Control

Iron Def

 

Rest

Stim

 

Rest

Stim

ATP (n=6-8)

5.89 ± 0.48

6.03 ± 0.35

 

5.51 ± 0.20

4.19 ± 0.47ǂ

ADP (n=6-8)

0.79 ± 0.08

0.96 ± 0.07

 

0.73 ± 0.03

1.03 ± 0.07

AMP (n=6-8)

0.06 ± 0.01

0.09 ± 0.02

 

0.05 ± 0.00

0.16 ± 0.06

IMP (n=6-8)

0.22 ± 0.01

0.80 ± 0.30

 

0.26 ± 0.02

2.26 ± 0.63ǂ

PCr (n=9-10)

24.1 ± 0.9

13.1 ± 1.5

 

22.7 ± 1.0

3.2 ± 0.7ǂ

Cr (n=9-10)

15.8 ± 1.1

28.3 ± 2.3

 

19.2 ± 0.9

37.0 ± 1.8ǂ

  1. Values are means ± SE in α mol/g wet wt. PCr, phosphocreatine; Cr, creatine.
  2. Ç‚ Significantly different from control (p<0.01).