Hardy Fr. D (Pre-B cells)

Marker Expression

Common

CD19
Expression: +
Required
CD43
Expression: -
Required
IgM
Expression: -
Localization: surface
Required
CD25 (IL-2RA)
Expression: +
Cμ (μ Heavy Chain)
Expression: +
Localization: intracellular

Mouse

B220 (CD45R)
Expression: +
Suggested

Cell/subset Information

Late pre-B cell stage of B cell development. Expresses intracellular μ heavy chain but not surface IgM.