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Table II.

T and B cell progenitor frequency determined for LSK subsets by limiting dilution assays on OP9-DL1 and OP9 stromal cell layers, respectively

Cell type
T cell progenitor frequency−1
 (95% confidence interval)
B cell progenitor frequency−1
 (95% confidence interval)
Flt3low CCR9EGFP-pos LSK 6.5 (5.1–8.5) 4.3 (3.2–5.7) 
Flt3-pos CCR9EGFP-pos LSK 8.6 (6.6–11.1) 2.4 (1.9–3.1) 
Flt3-pos CCR9EGFP-neg LSK 16.9 (12.6–22.6) 15.3 (11–21.5) 
Flt3-neg CCR9EGFP-neg LSK 32.7 (23.3–46) 21.2 (14.7–30.6) 
CLP 9.1 (7–11.8) 1.7 (1.4–2.1) 
TMP 3.1 (2.5–3.8) 64.4 (37.3–111.4) 
Cell type
T cell progenitor frequency−1
 (95% confidence interval)
B cell progenitor frequency−1
 (95% confidence interval)
Flt3low CCR9EGFP-pos LSK 6.5 (5.1–8.5) 4.3 (3.2–5.7) 
Flt3-pos CCR9EGFP-pos LSK 8.6 (6.6–11.1) 2.4 (1.9–3.1) 
Flt3-pos CCR9EGFP-neg LSK 16.9 (12.6–22.6) 15.3 (11–21.5) 
Flt3-neg CCR9EGFP-neg LSK 32.7 (23.3–46) 21.2 (14.7–30.6) 
CLP 9.1 (7–11.8) 1.7 (1.4–2.1) 
TMP 3.1 (2.5–3.8) 64.4 (37.3–111.4) 
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