CD21 Antibody [BB6-11C9.6] (PE)

CD21, also known as complement receptor 2, is expressed on all mature circulating B lymphocytes but not on T lymphocytes or natural killer cells. Low density CD21 has also been reported on granulocytes and monocytes. The monoclonal antibody BB6-11C9.6 stains the following percentages of surface immunoglobulin (sIg) positive cells in porcine lymphoid tissues - 92-96% in peripheral blood, 74-98% in mesenteric lymph nodes, 97-100% in ileal Peyer’s patches (ILPP), 93-97% in spleen, and 0% in thymus. The antibody does not stain B cells in cord blood or spleen from pig fetuses (105 days gestation) .