SAB5500047
Anti-CD19 antibody, Rabbit monoclonal
clone SP110, recombinant, expressed in proprietary host, affinity isolated antibody
Synonym(s):
Anti-B4, Anti-CVID3
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All Photos(2)
About This Item
UNSPSC Code:
12352203
NACRES:
NA.41
Recommended Products
biological source
rabbit
Quality Level
recombinant
expressed in proprietary host
conjugate
unconjugated
antibody form
affinity isolated antibody
antibody product type
primary antibodies
clone
SP110, monoclonal
species reactivity
human (tested)
technique(s)
flow cytometry: 1:100
immunohistochemistry: 1:200
isotype
IgG
UniProt accession no.
shipped in
wet ice
storage temp.
2-8°C
target post-translational modification
unmodified
Gene Information
human ... CD19(930)
General description
CD19 (cluster of differentiation 19) is a 95 kDa protein localized on the surface of nearly all B lymphocytes and is considered to be the specific surface marker for B cells. This protein belongs to the immunoglobulin (Ig) superfamily with a cytoplasmic region of ∼240 amino acids and is involved in the regulation of B cell function. The gene encoding CD19 is localized on human chromosome 16p11.2.
CD19 is expressed in B lymphocytes and B-cell lymphoma. It may also be present on some early myeloid progenitors, particularly those of the monoblastic type. It appears to be expressed on myeloid leukemia cells, particularly those of monocytic lineage. Leukemia phenotype studies have demonstrated that the earliest and broadest B cell restricted antigen is the CD19 antigen. CD19 is negative in T lymphocytes, plasma cells, and their tumors.
Immunogen
Synthetic peptide corresponding to C-terminus of human CD19.
Biochem/physiol Actions
CD19 (cluster of differentiation 19) expression is restricted to normal and malignant B-lineage cells. Therefore, it is considered to be a striking target for immunotherapies aimed at B-cell malignancies. CD19 helps B lymphocytes to initiate primary immune response even at low concentrations of antigen. The encoded protein plays a crucial role in initiating intrinsic B cell signaling thresholds by regulating both B cell receptor (BCR)-dependent and independent signaling. It also functions as a biomarker for B-cell development.
Features and Benefits
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Physical form
0.1 ml rabbit monoclonal antibody purified by protein A/G in PBS/1% BSA buffer pH 7.6 with less than 0.1% sodium azide.
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
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Storage Class Code
10 - Combustible liquids
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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B-cell depletion and remissions of malignancy along with cytokine-associated toxicity in a clinical trial of anti-CD19 chimeric-antigen-receptor-transduced T cells.
Kochenderfer JN, et al.
Blood (2011)
Aleksandra Georgievski et al.
Cell death & disease, 13(4), 337-337 (2022-04-14)
Patient-derived xenografted (PDX) models were generated through the transplantation of primary acute lymphoblastic leukemia (ALL) cells into immunodeficient NSG mice. We observed that ALL cells from mouse bone marrow (BM) produced extracellular vesicles (EVs) with specific expression of inducible heat
A Pezzutto et al.
Journal of immunology (Baltimore, Md. : 1950), 138(9), 2793-2799 (1987-05-01)
The 95 Kd CD19 antigen is the broadest lineage specific surface marker for B cells: it is present on the surface of virtually all B lymphocytes, including early B progenitor cells. In this study we have evaluated the function of
The CD19/CR2/TAPA-1 complex of B lymphocytes: linking natural to acquired immunity.
Fearon DT and Carter RH
Annual Review of Immunology, 13(1), 127-149 (1995)
L E Bradbury et al.
Journal of immunology (Baltimore, Md. : 1950), 149(9), 2841-2850 (1992-11-01)
CD19 is a member of the Ig superfamily expressed on the surface of B lymphocytes that may be involved in the regulation of B cell function. Immunoprecipitation studies with B cell lines solubilized by digitonin have shown CD19 to be
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