Table 1.

Down-regulation of splenic erythroblast cell-surface Fas/FasL in ts-VHL−/− mice



Subset frequency, % of Ter 119+ cells

Fas-positive cells, %

FasL-positive cells, %

Control*; n = 6
ts-VHL −/−; n = 5
P
Control*; n = 6
ts-VHL −/−; n = 5
P
Control*; n = 6
ts-VHL −/−; n = 5
P
Spleen          
ProE   0.6 ± 0.2   1.5 ± 0.3   —   38 ± 9   9 ± 3   .023   66 ± 4   36 ± 9   .025  
Ery.A   24 ± 5   36 ± 3   .044   48 ± 6   26 ± 3   .011   79 ± 2   60 ± 5   .018  
Ery.B   24 ± 4   39 ± 3   .012   12 ± 1   3 ± 0.4   < .001   37 ± 4   12 ± 4   .002  
Ery.C   52 ± 8   24 ± 4   .045   0.6 ± 0.1   0.3 ± 0.1   —   1 ± 0.2   0.6 ± 0.2   —  
Non-Ery   NA   NA   —   47 ± 4   47 ± 6   —   10 ± 0.2   9 ± 1   —  
Bone marrow          
ProE   1.9 ± 0.3   2.0 ± 0.4   —   21 ± 3   13 ± 3   —   35 ± 4   28 ± 5   —  
Ery.A   35 ± 4   35 ± 5   —   21 ± 2   17 ± 4   —   51 ± 3   41 ± 4   —  
Ery.B   34 ± 2   25 ± 1   .001   2 ± 0.5   1 ± 0.2   —   9 ± 2   6 ± 2   —  
Ery.C   29 ± 4   38 ± 6   —   0.3 ± 0.05   0.3 ± 0.1   —   0.6 ± 0.1   0.3 ± 0.1   —  
Non-Ery
 
NA
 
NA
 

 
51 ± 4
 
50 ± 3
 

 
15 ± 4
 
18 ± 5
 

 


Subset frequency, % of Ter 119+ cells

Fas-positive cells, %

FasL-positive cells, %

Control*; n = 6
ts-VHL −/−; n = 5
P
Control*; n = 6
ts-VHL −/−; n = 5
P
Control*; n = 6
ts-VHL −/−; n = 5
P
Spleen          
ProE   0.6 ± 0.2   1.5 ± 0.3   —   38 ± 9   9 ± 3   .023   66 ± 4   36 ± 9   .025  
Ery.A   24 ± 5   36 ± 3   .044   48 ± 6   26 ± 3   .011   79 ± 2   60 ± 5   .018  
Ery.B   24 ± 4   39 ± 3   .012   12 ± 1   3 ± 0.4   < .001   37 ± 4   12 ± 4   .002  
Ery.C   52 ± 8   24 ± 4   .045   0.6 ± 0.1   0.3 ± 0.1   —   1 ± 0.2   0.6 ± 0.2   —  
Non-Ery   NA   NA   —   47 ± 4   47 ± 6   —   10 ± 0.2   9 ± 1   —  
Bone marrow          
ProE   1.9 ± 0.3   2.0 ± 0.4   —   21 ± 3   13 ± 3   —   35 ± 4   28 ± 5   —  
Ery.A   35 ± 4   35 ± 5   —   21 ± 2   17 ± 4   —   51 ± 3   41 ± 4   —  
Ery.B   34 ± 2   25 ± 1   .001   2 ± 0.5   1 ± 0.2   —   9 ± 2   6 ± 2   —  
Ery.C   29 ± 4   38 ± 6   —   0.3 ± 0.05   0.3 ± 0.1   —   0.6 ± 0.1   0.3 ± 0.1   —  
Non-Ery
 
NA
 
NA
 

 
51 ± 4
 
50 ± 3
 

 
15 ± 4
 
18 ± 5
 

 

Non-Ery indicates nonerythroid; NA, not applicable; and —, not significant.

*

Matched littermates, number of mice indicated (n).

Two-tailed Student t test, unequal variance, only for statistically significant differences at P < .05.

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