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CD45 Mouse anti-Human, Clone: CD45-2B11, eBioscience™ Non-distribution product as customer accommodation.

Mouse Monoclonal Antibody

Manufacturer:  Invitrogen 14945780

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Catalog No. 50-112-2783


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Description

Description

Description: The CD45-2B11 monoclonal antibody reacts with human CD45, also known as Leukocyte Common Antigen (LCA). CD45 is expressed by all hematopoietic cells excluding circulating erythrocytes and platelets. The cytoplasmic portion of CD45 has tyrosine phosphatase enzymatic activity and plays an important role in lymphocyte proliferation and differentiation. The 2B11 antibody is useful for recognition of normal and neoplastic lymphoid cells. Applications Reported: This CD45-2B11 antibody has been reported for use in flow cytometric analysis, immunoblotting, immunohistochemical staining of formalin-fixed paraffin embedded tissue sections, and immunocytochemistry. Applications Tested: This CD45-2B11 antibody has been tested by immunohistochemisty on formalin-fixed paraffin embedded tissue using high pH antigen retrieval. This can be used at less than or equal to 10 µg/mL. This CD45-2B11 antibody has also been tested by western blot at 5 µg/mL and by flow cytometric analysis on human peripheral blood cells at 0.25 µg/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. Purity: Greater than 90%, as determined by SDS-PAGE.

Aggregation: Less than 10%, as determined by HPLC. Filtration: 0.2 µm post-manufacturing filtered. CD45 (LCA, leukocyte common antigen) is a receptor-type protein tyrosine phosphatase (PTP) ubiquitously expressed in all nucleated hematopoietic cells, comprising approximately 10% of all surface proteins in lymphocytes. CD45 is absent on non-hematopoietic cell lines, normal and maligt, non-hematopoietic tissues. CD45 glycoprotein is crucial in lymphocyte development and antigen signaling, serving as an important regulator of Src-family kinases. CD45 protein exists as multiple isoforms as a result of alternative splicing, differ in their extracellular domains but share identical transmembrane and cytoplasmic domains. CD45RA is an isoform of the CD45 complex and has restricted expression between different subtypes of lymphoid cells. CD45 isoforms differ in their ability to translocate into the glycosphingolipid-enriched membrane domains and their expression depends on cell type and physiological state of the cell. CD45 has been shown to be an essential regulator of T- and B-cell antigen receptor signaling and suppresses JAK kinases to regulate cytokine receptor signaling. CD45 is also important in promoting cell survival by modulating integrin-mediated signal transduction pathway, DNA fragmentation during apoptosis and inhibition or upregulation of various immunological functions.
Specifications

Specifications

CD45
Monoclonal
0.5 mg/mL
PBS with 0.09% sodium azide; pH 7.2
P08575
Cluster designation 45; common leukocyte antigen; T220 and B220; HCD45
Mouse
Affinity chromatography
RUO
Antibody
Monoclonal
Human
Flow Cytometry, Immunocytochemistry, Immunofluorescence, Immunohistochemistry (Paraffin), Western Blot
CD45-2B11
Unconjugated
PTPRC
Liquid
PTPRC
IgG1, kappa
25 μg
4° C
Primary
5788
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