Table 1.

Tissue iron concentration in mice fed a standard or iron-enriched diet (2.5% wt/wt carbonyl iron) for 3 months



μg iron/g dry wt
Organ
B6
Rag1−/−
Hfe−/−
HfeRag1−/−
β2m−/−
β2mRag1−/−
Standard diet       
  n = 14   n = 9   n = 14   n = 12   n = 9   n = 11  
Liver   287 ± 63   298 ± 43   1034 ± 253*  1607 ± 730  788 ± 279*  840 ± 292* 
Heart   358 ± 52   371 ± 59   409 ± 45   412 ± 90   439 ± 57   586 ± 134§ 
Pancreas   160 ± 35   151 ± 30   173 ± 45   185 ± 42   178 ± 38   676 ± 276 
Iron-enriched diet       
  n = 10   n = 10   n = 10   n = 10   n = 9   n = 11  
Liver   4014 ± 1186   4279 ± 549   7276 ± 1247*  12077 ± 4584  5742 ± 985*  6118 ± 1462* 
Heart   467 ± 70   508 ± 72   500 ± 117   485 ± 84   501 ± 72   1181 ± 265 
Pancreas
 
252 ± 72
 
287 ± 83
 
253 ± 23
 
279 ± 106
 
283 ± 46
 
3844 ± 2010§
 


μg iron/g dry wt
Organ
B6
Rag1−/−
Hfe−/−
HfeRag1−/−
β2m−/−
β2mRag1−/−
Standard diet       
  n = 14   n = 9   n = 14   n = 12   n = 9   n = 11  
Liver   287 ± 63   298 ± 43   1034 ± 253*  1607 ± 730  788 ± 279*  840 ± 292* 
Heart   358 ± 52   371 ± 59   409 ± 45   412 ± 90   439 ± 57   586 ± 134§ 
Pancreas   160 ± 35   151 ± 30   173 ± 45   185 ± 42   178 ± 38   676 ± 276 
Iron-enriched diet       
  n = 10   n = 10   n = 10   n = 10   n = 9   n = 11  
Liver   4014 ± 1186   4279 ± 549   7276 ± 1247*  12077 ± 4584  5742 ± 985*  6118 ± 1462* 
Heart   467 ± 70   508 ± 72   500 ± 117   485 ± 84   501 ± 72   1181 ± 265 
Pancreas
 
252 ± 72
 
287 ± 83
 
253 ± 23
 
279 ± 106
 
283 ± 46
 
3844 ± 2010§
 

Mice (females) were 5 months old at the end of the experiment. Data are presented as mean ± SD.

*

P < .005 compared with B6 or Rag1−/− mice by Student t test.

P < .01 compared with Hfe−/− mice by Student t test.

P < .001 compared with β2mRag1−/− mice by Student t test.

§

P < .01 by Student t test compared with all other mouse strains.

P < .0001 by Student t test compared with all other mouse strains.

P < .05 compared with Hfe−/− mice by Student t test.

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