Table 1.

Age Distribution and Purity of In Vivo Aged, Biotinylated RBC in the Most Dense Fraction of Arabinogalactan Fractionated Dog Cells

Most Dense Biotinylated RBC PopulationPost-Biotinylation Day
72 86 93 100105
Age range (d):  72-115  86-115  93-115  100-115 105-115  
Estimated mean cell age (d)* 94  101  104 108  110  
Purity (% biotinylated cells)  
 Dog 331 (random age)  94  76  56  42  33  
 Dog 794 (partial cohort)  98  95  84  60  45 
Most Dense Biotinylated RBC PopulationPost-Biotinylation Day
72 86 93 100105
Age range (d):  72-115  86-115  93-115  100-115 105-115  
Estimated mean cell age (d)* 94  101  104 108  110  
Purity (% biotinylated cells)  
 Dog 331 (random age)  94  76  56  42  33  
 Dog 794 (partial cohort)  98  95  84  60  45 

*The value for the partial cohort would be shifted slightly to a younger age, although the exact value is unknown.

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