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. Author manuscript; available in PMC: 2020 Dec 16.

Published in final edited form as: Nat Immunol. 2020 Oct 7;21(12):1506–1516. doi: 10.1038/s41590-020-00814-z

Table 1 |.

Standard B cell definitions

B cell type	Primary population	Secondary populations
Transitional	Tr: CD19⁺ CD27⁻ CD38^int CD24⁺	CD21^lo Tr: CD24^hi CD21⁻
Transitional	Tr: CD19⁺ CD27⁻ CD38^int CD24⁺	CD21^hi Tr: CD24^lo CD21⁺
Naive	N: CD19⁺ CD27⁻ CD38⁻ CD24⁻ lgD⁺	aN: CD11c⁺
Naive	N: CD19⁺ CD27⁻ CD38⁻ CD24⁻ lgD⁺	rN: CD11c⁻
Double negative	DN: CD19⁺ CD27⁻ CD38⁻ CD24⁻ IgD⁻	DN1: CD11c⁻ CD21⁺
		DN2: CD11c⁺ CD21⁻
		DN3: CD11c⁻ CD21⁻
Memory	M: CD19⁺ CD27⁺ CD38^−/lo	mM: lgM⁺ IgD⁻
		dM: IgM⁻ lgD⁺
		usM: lgM⁺ lgD⁺
		sM: IgM⁻ IgD⁻
ASCs	ASC: CD19⁺ CD27⁺ CD38^hi	CD138^neg ASC: CD138⁻
ASCs	ASC: CD19⁺ CD27⁺ CD38^hi	CD138^pos ASC: CD138⁺