PerCP-Cyanine5.5 Anti-Mouse CD19 (1D3)
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The 1D3 antibody reacts with mouse CD19, a 95 kDa glycoprotein which acts as a co-receptor, along with CD21 and CD81, in support of the functional B cell receptor (BCR). This complex provides antigen-specific recognition and subsequent activation of B cells to proliferate and differentiate into antibody-secreting cells (plasma cells) or memory B cells, which are crucial for secondary antigen encounter. CD19 is a lineage-differentiation marker, as its expression is detectable at the earliest B cell stages, through development, and is finally lost upon transition to mature plasma cells. The 1D3 antibody is widely used as a phenotypic marker for CD19 expression on B cells, as well as on dendritic cell subsets.
Stephens WZ, Kubinak JL, Ghazaryan A, Bauer KM, Bell R, Buhrke K, Chiaro TR, Weis AM, Tang WW, Monts JK, Soto R, Ekiz HA, O'Connell RM, Round JL. Epithelial-myeloid exchange of MHC class II constrains immunity and microbiota composition. Cell Rep. 2021 Nov 2;37(5):109916. doi: 10.1016/j.celrep.2021.109916. PMID: 34731608.
|Name||PerCP-Cyanine5.5 Anti-Mouse CD19 (1D3)|
|Alternative Names||Leu-12, B4|
|Isotype||Rat IgG2a, κ|