09
Sep

CD21

CD21, also known as complement receptor 2 and C3d receptor, is a 140-kD membrane protein on mature B-lymphocytes.15 CD21 has been shown to label follicular dendritic cells (FDC), as a means of illustrating the phenomenon of follicular colonization in marginal zone lymphoma. CD21 has also been used in proving cell lineage in some rare tumors […]

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06
Sep

CD19

The Biocare CD19 antibody detects CD19, a 95 kDa cell surface glycoprotein expressed by cells of the B-cell lineage and follicular dendritic cells. CD19 functions as a coreceptor with CD21 and plays a critical role in B-cell signal transduction, regulating development, activation, and differentiation.15,16 CD19 is expressed in pre-B cells and B cells and is […]

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