Catalog: | C-FC-4686A |
Product Type: | FCM Antibody |
Size: | 5 µl(1µg)/test |
Reactivity: | Human |
Positive FC: | mouse splenocytes |
Recommended dilution: | This reagent has been tested for flow cytometric analysis. It is recommended that this reagent should be titrated in each testing system to obtain optimal results. |
Analysis mode: | FC |
Host: | Mouse |
Isotype: | IgG1 |
Alternate names: | B lymphocyte antigen CD19, B4, CD19, CD19 molecule, Differentiation antigen CD19, T cell surface antigen Leu 12 |
Storage: | 2-8°C |
Purification method: | Affinity purification |
Immunogen: | N/A |
Genn_ID: | 12775 |
Gene symbol: | Ccr7 |
Buffer: | Phosphate based buffer with 0.09% sodium azide and 0.1% gelatin, pH 7.2. |
CD19 is a 95 kDa type I transmembrane glycoprotein belonging to the immunoglobulin superfamily (PMID: 2472450). It is expressed by B cells and follicular dendritic cells. CD19 is up-regulated at the step of B-lineage commitment during the differentiation of the hematopoietic stem cell, it remains on during subsequent stages of differentiation until finally down-regulated during terminal differentiation into plasma cells (PMID: 8528044). CD19 is involved in B cell development, activation and differentiation. It is the dominant component for the signaling complex on B cells that includes CD21 (CR2), CD81 (TAPA-1) and CD225 and acts as a critical co-receptor for BCR signal transduction (PMID: 23210908).
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