Table 1.

List of B cell markers used to characterize B cell subtypes in ovarian cancer.

Marker	Naïve B Cells	Memory B Cells	Plasma Cells
CD20	+	+	−
CD19	+	+	+
CD138	−	−	+
CD38	−/low	−/low	+
CD95	−	+	+
CD27	−	+	+
IGKC	−	−	+
IgG	−	+	+
IgD	+	−	−
IgM	+	+	−
CXCR5	+	+	−
CXCR3	−	+	+

Legend: The markers listed here have been used to study the prognostic significance of B cells in ovarian cancer [9,10,11,12]. Markers of Breg are not well defined in the literature: only IL-10 (Interleukin-10 (IL-10)) positive cells are being classified as Bregs [7].