Positively Selected Normal PB CD19+ B Cells

cd3 pan t cells in tubes


B Cells express CD19 from very early stages, expression is only lost upon maturation into plasma cells. After maturing, the B cells migrate to secondary lymphatic organs and are subsequently activated directly by an antigen or through an antigen presenting cell. At this point they either become memory B cells or plasma B cells. Each B cell gives rise to a single species of antibody.

PPA's Human Normal CD19+ B cells are isolated from peripheral blood mononuclear cells by positive immunomagnetic selection. All peripheral blood is collected by leukaphresis in ACDA from fully consented IRB approved donors that test negative for HIV, HBV and HCV.

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Catalog #NameUnitPriceAction
15-00024Frozen/Positively Selected Normal PB CD19+ B Cells 10 million/vial Custom-Request More Information Inquiry
15-00023Fresh/Positively Selected Normal PB CD19+ B Cells 10 million Custom-Request More Information Inquiry


Products sold or distributed by Physicians Plasma Alliance or PPA Research Group are intended and labeled for "Research Use Only" and are never to be used in humans, human trials or used in a manner inconsistent with "Research Use Only" labeling.

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Product Categories:
Human Peripheral Blood Mononuclear Cells, Human PBMC, Isolated Human Primary Cell Products
Product Format:
Fresh, Frozen
PPA’s products are intended for research use only and not for direct therapeutic or diagnostic use in human or animals, or for further manufacturing of therapeutic products or devices.
No Protocols and COA available.