Invitrogen

CD44 Polyclonal Antibody

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Datasheet
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Datasheet
Protocols
Questions & Answers

Product Details

PA5-94934

Applications
Tested Dilution
Publications

Western Blot (WB)

0.1-0.5 µg/mL
-

Immunohistochemistry (Paraffin) (IHC (P))

0.5-1 µg/mL
-

Flow Cytometry (Flow)

1-3 µg/1x10^6 cells
-
Product Specifications

Species Reactivity

Human, Rat

Host/Isotype

Rabbit / IgG

Class

Polyclonal

Type

Antibody

Immunogen

A synthetic peptide corresponding to a sequence at the C-terminus of human CD44 (728-742aa DETRNLQNVDMKIGV).
View immunogen

Conjugate

Unconjugated Unconjugated Unconjugated

Form

Lyophilized

Concentration

500 µg/mL

Purification

Affinity chromatography

Storage buffer

PBS with 4mg trehalose

Contains

no preservative

Storage conditions

-20°C

Shipping conditions

Ambient (domestic); Wet ice (international)

RRID

AB_2806740

Product Specific Information

Reconstitute with 0.2 mL of distilled water to yield a concentration of 500 µg/mL.

Positive Control - WB: human Hela whole cell, rat PC-12 whole cell. IHC: human laryngeal squamous cell carcinoma tissue, human rectal cancer tissue, rat lung tissue. Flow: HL-60 cell.|Store at -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freeze-thaw cycles.

Target Information

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.

For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.

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Bioinformatics

Protein Aliases: CD44; CD44 antigen; CD44 molecule; CDw44; cell surface glycoprotein CD44; Cell surface glycoprotein CD44 (hyaluronate binding protein); chondroitin sulfate proteoglycan 8; ECMR-III; ECMRIII; Epican; Extracellular matrix receptor III; GP90 lymphocyte homing/adhesion receptor; hematopoietic cell E- and L-selectin ligand; Heparan sulfate proteoglycan; Hermes antigen; homing function and Indian blood group system; HUTCH-I; hyaluronan receptor; Hyaluronate receptor; PGP I; PGP-1; PGP-I; PGPI; Phagocytic glycoprotein 1; Phagocytic glycoprotein I; sCD 44; sCD44; soluble CD 44; soluble CD44

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Gene Aliases: CD44; CD44A; CDW44; CSPG8; ECMR-III; HCELL; HUTCH-I; IN; LHR; MC56; MDU2; MDU3; METAA; MIC4; Pgp1; RHAMM

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UniProt ID: (Human) P16070, (Rat) P26051

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Entrez Gene ID: (Human) 960, (Rat) 25406

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Function(s)
cytokine receptor activity protein binding collagen binding hyaluronic acid binding hyalurononglucosaminidase activity transmembrane signaling receptor activity epidermal growth factor receptor binding protein kinase binding cytokine binding phosphoprotein binding
Process(es)
cell-matrix adhesion single organismal cell-cell adhesion extracellular matrix disassembly extracellular matrix organization hyaluronan catabolic process positive regulation of peptidyl-serine phosphorylation positive regulation of heterotypic cell-cell adhesion negative regulation of apoptotic process negative regulation of cysteine-type endopeptidase activity involved in apoptotic process negative regulation of DNA damage response, signal transduction by p53 class mediator cellular response to fibroblast growth factor stimulus positive regulation of peptidyl-tyrosine phosphorylation leukocyte migration cartilage development interferon-gamma-mediated signaling pathway positive regulation of ERK1 and ERK2 cascade monocyte aggregation positive regulation of monocyte aggregation negative regulation of intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator regulation of cell growth branching involved in ureteric bud morphogenesis blood vessel maturation wound healing involved in inflammatory response negative regulation of mature B cell apoptotic process inflammatory response cell adhesion positive regulation of gene expression response to organic cyclic compound Wnt signaling pathway cell migration neuron projection development positive regulation of neutrophil apoptotic process response to vitamin A macrophage fusion branching involved in prostate gland morphogenesis
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