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Table I.

Cell surface protein expression used to define early B cell precursors in bone marrow


Cell surface protein

MLP

CLP

Fr. A

Fr. B &C
(all LIN    
CD93/AA4.1 high high high high 
CD117/cKit high medium medium low/– 
CD127/IL-7Rα − 
CD24/HSA(30F1) low low low 
CD45R/B220(6B2) − − 
CD19 − − − 
CD43(S7)
 
medium
 
medium
 
medium
 
medium
 

Cell surface protein

MLP

CLP

Fr. A

Fr. B &C
(all LIN    
CD93/AA4.1 high high high high 
CD117/cKit high medium medium low/– 
CD127/IL-7Rα − 
CD24/HSA(30F1) low low low 
CD45R/B220(6B2) − − 
CD19 − − − 
CD43(S7)
 
medium
 
medium
 
medium
 
medium
 
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