Table 3. Frequencies of Early CD45R... | American Society of Hematology

Table 3.

Frequencies of Early CD45R⁺ Pro-B Subsets in Bone Marrow

Population^3-150	% of Early CD45⁺ Pro-B Cells	Frequency (% of BM MNC)
Pro-B (CD45R⁺CD43⁺)	—	4.5
Early CD45R⁺ Pro-B (CD45R⁺ CD43⁺BP-1⁻ CD25⁻ sIgM⁻)	100	2.2
Early CD45R⁺ Pro-B subsets
c-kit⁺	24	0.53
c-kit⁻	76	1.7
TdT⁺	78	1.7
TdT⁺ c-kit⁺	22	0.48
TdT⁺ c-kit⁻	56	1.2

Population^3-150	% of Early CD45⁺ Pro-B Cells	Frequency (% of BM MNC)
Pro-B (CD45R⁺CD43⁺)	—	4.5
Early CD45R⁺ Pro-B (CD45R⁺ CD43⁺BP-1⁻ CD25⁻ sIgM⁻)	100	2.2
Early CD45R⁺ Pro-B subsets
c-kit⁺	24	0.53
c-kit⁻	76	1.7
TdT⁺	78	1.7
TdT⁺ c-kit⁺	22	0.48
TdT⁺ c-kit⁻	56	1.2

F3-150

CD45R⁺CD43⁺ BP-1⁻CD25⁻NK1.1⁻ sIgM⁻ cells (early CD45R⁺ pro-B cells) were sorted, stained, gated, and assessed for marker expression as shown in Fig 6. Frequencies of subsets were calculated from the frequency of CD45R⁺CD43⁺ pro-B cells among bone marrow mononuclear cells (4.5%) with 49% being early CD45R⁺ pro-B cells.

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