7068998

CD44 Monoclonal Antibody (IM7), Biotin, eBioscience™, Invitrogen™

Rat Monoclonal Antibody

Manufacturer: Fischer Scientific

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Antigen

CD44

Concentration

0.5 mg/mL

Classification

Monoclonal

Form

Liquid

Regulatory Status

RUO

Gene ID (Entrez)

12505, 960

Isotype

IgG2b κ

Purification Method

Affinity chromatography

Product Type

Antibody

Clone

IM7

Applications

Flow Cytometry

Conjugate

Biotin

Host Species

Rat

Target Species

Human, Mouse

Gene Symbols

CD44

Primary or Secondary

Primary

Content And Storage

4° C, store in dark, DO NOT FREEZE!

Gene

CD44

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Description

  • Description: The IM7 monoclonal antibody reacts with all isoforms of mouse CD44 (Pgp-1)
  • CD44 is expressed by hematopoietic and non-hematopoietic cells
  • Bone marrow myeloid cells and memory T cells highly express this antigen and peripheral B and T cells can upregulate the expression of CD44
  • CD44 functions as an adhesion molecule through its binding to hyaluronate, an extracellular matrix component
  • Applications Reported: The IM7 antibody has been reported for use in flow cytometric analysis
  • Applications Tested: The IM7 antibody has been tested by flow cytometric analysis of mouse bone marrow cells and splenocytes
  • This can be used at less than or equal to 0.125 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
  • CD44 cell surface antigen is a 100 kDa type 1 transmembrane glycoprotein widely expressed on human leucocytes, white matter of the brain and by some epithelial cells of the intestine and breast
  • Several isoforms of CD44 exist, including the predominant CD44H isoform detected in many normal tissues
  • CD44 is a receptor for hyaluronic acid (HA) and is involved in cell-cell interactions, cell adhesion and migration
  • CD44 also participates in a wide variety of cellular functions including lymphocyte activation, recirculation and homing
  • CD44 expression may be up-regulated upon some carcinomas, and it has been speculated that this may be related to metastatic potential
  • CD44 is expressed by hematopoietic, non-hematopoietic cells, epithelial tissues, and to filopodia in cultured keratinocytes
  • Further, bone marrow myeloid cells and memory T cells express CD44 at high levels, and peripheral B and T cells can upregulate the expression of CD44 in response to certain stimulatory events
  • Transcripts for the CD44 gene undergo complex alternative splicing that results in many functionally distinct isoforms, however, the full-length nature of some of these variants have not been determined
  • Alternative splicing is the basis for the structural and functional diversity of the CD44 protein
  • Diseases associated with CD44 dysfunction include superficial keratitis and lichen sclerosus
  • CD44 also may be related to tumor metastasis formation.

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Antigen:
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Affinity chromatography

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Clone:
IM7

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Flow Cytometry

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Biotin

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Rat

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Primary

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