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Invitrogen
CD19 Monoclonal Antibody (eBio1D3 (1D3)), Biotin, eBioscience™
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CD19 Antibody (13-0193-82) in Flow
Staining of C57BL/6 splenocytes with Anti-Human/Mouse CD45R (B220) APC (Product # 17-0452-82) and 0.125 µg of Rat IgG2a K Isotype Control Biotin (Product # 13-4321-82) (left) or 0.125 µg of Anti-Mouse CD19 Biotin (right) followed by Streptavidin PE (Product # 12-4317-87). Cells in the lymphocyte gate were used for analysis.
产品信息
13-0193-82
应用
建议稀释比
已发表文章
产品规格
种属反应
Mouse
已发表种属
C. elegans,
Human,
Mouse
宿主/亚型
Rat
/ IgG2a, kappa
分类
Monoclonal
类型
Antibody
克隆号
eBio1D3 (1D3)
偶联物
形式
Liquid
浓度
0.5 mg/mL
纯化类型
Affinity chromatography
保存液
PBS, pH 7.2
内含物
0.09% sodium azide
保存条件
4°C, store in dark, DO NOT FREEZE!
运输条件
Ambient (domestic); Wet ice (international)
RRID
产品详细信息
Description: The eBio1D3 monoclonal antibody reacts with mouse CD19, a 95 kDa transmembrane glycoprotein. CD19 is expressed by B cells during all stages of development excluding the terminally differentiated plasma cells. Follicular dendritic cells also express CD19. Together CD21, CD81, MHC class II, and CD19 form a multimolecular complex that associates with the BCR. Signaling through CD19 induces tyrosine phosphorylation, calcium flux and proliferation of B cells.
Applications Reported: This eBio1D3 (1D3) antibody has been reported for use in flow cytometric analysis.
Applications Tested: This eBio1D3 (1D3) antibody has been tested by flow cytometric analysis of mouse splenocytes. This can be used at less than or equal to 0.25 µg per test. A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest.
Filtration: 0.2 µm post-manufacturing filtered.
靶标信息
CD19 is a member of the immunoglobulin superfamily, characterized by two Ig-like domains, and is expressed on B cells throughout all stages of development, excluding terminally differentiated plasma cells. It is also expressed on follicular dendritic cells and has been observed on myeloid leukemia cells, particularly those of monocytic lineage. CD19 is considered the earliest and broadest B cell-restricted antigen, and its expression is found in all B cell precursor leukemias. CD19 forms a multimolecular complex with CD21, CD81, Leu13, MHC class II, and the B cell receptor (BCR), playing a crucial role in B cell signaling. As a signal-amplifying coreceptor for the BCR, CD19 lowers the threshold for antigen receptor-dependent stimulation, allowing B cells to respond specifically and sensitively to various antigens through low-affinity antigen receptors. Signaling through CD19 induces tyrosine phosphorylation, calcium flux, and proliferation of B cells. Beyond its role as a BCR coreceptor, CD19 can also signal independently of BCR co-ligation, serving as a central regulatory component upon which multiple signaling pathways converge. This makes CD19 an important functional regulator of both normal and malignant B cell proliferation. Mutations in the CD19 gene can result in hypogammaglobulinemia, a condition characterized by low levels of immunoglobulins, while CD19 overexpression can lead to B cell hyperactivity. CD19 is expressed on 100% of peripheral B cells, as defined by the expression of kappa or lambda light chains, underscoring its significance in B cell function and immune regulation.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
生物信息学
蛋白别名: B-lymphocyte antigen CD19; CD19; Differentiation antigen CD19; Leu-12
基因别名: AW495831; Cd19
UniProt ID: (Mouse) P25918
Entrez Gene ID: (Mouse) 12478
