Purified anti-mouse/human CD44 Antibody

Product Details

Verified Reactivity

Mouse, Human

Reported Reactivity

Chimpanzee, Baboon, Cynomolgus, Rhesus, Squirrel Monkey, Horse, Cow, Pig, Dog, Cat

Antibody Type

Monoclonal

Host Species

Rat

Immunogen

Dexamethasone-induced myeloid leukemia M1 cells

Formulation

Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.

Preparation

The antibody was purified by affinity chromatography.

Concentration

0.5 mg/ml

Storage & Handling

The antibody solution should be stored undiluted between 2°C and 8°C.

Application

FC - Quality tested
IHC-F, CyTOF® - Verified
ELISA, ICC, IHC-P, IP, CMCD, Stim - Reported in the literature, not verified in house

Recommended Usage

Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is ≤0.5 µg per million cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for each application.

Application Notes

Clone IM7 has been reported to recognize an epitope common to alloantigens and all isoforms of CD44^17,18 that is located between amino acids 145 and 186²⁰. This clone has been verified for immunocytochemistry (ICC) and frozen immunohistochemistry (IHC-F). Additional reported applications (for the relevant formats) include: immunohistochemistry of acetone-fixed frozen sections and formalin-fixed paraffin-embedded sections^6,7, complement-mediated cytotoxicity¹, immunoprecipitation^1,3, in vivo inhibition of DTH^4,5, and spatial biology (IBEX)^23,24. The Ultra-LEAF™ purified antibody (Endotoxin < 0.01 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for functional assays (Cat. No. 103046, 103065 - 103069).

Cross-reactivity to ferret has been reported by a collaborator, but not verified in house.

Application References

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17. Zheng Z, et al. 1995. J. Cell. Biol. 130:485.
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22. Peterson VM, et al. 2017. Nat. Biotechnol. 35:936. (PG)
23. Radtke AJ, et al. 2020. Proc Natl Acad Sci U S A. 117:33455-65. (SB) PubMed
24. Radtke AJ, et al. 2022. Nat Protoc. 17:378-401. (SB) PubMed

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RRID

AB_312952 (BioLegend Cat. No. 103001)
AB_312953 (BioLegend Cat. No. 103002)

Antigen Details

Structure

Variable splicing of CD44 gene generates many CD44 isoforms, 80-95 kD

Distribution

All leukocytes, epithelial cells, endothelial cells, hepatocytes, mesenchymal cells

Function

Leukocyte attachment and rolling on endothelial cells, stromal cells and ECM

Ligand/Receptor

Hyaluronan, MIP-1β, fibronectin, collagen

Cell Type

B cells, Endothelial cells, Epithelial cells, Leukocytes, Mesenchymal cells, Mesenchymal Stem Cells, Tregs

Biology Area

Cell Adhesion, Cell Biology, Immunology, Stem Cells

Molecular Family

Adhesion Molecules, CD Molecules

Antigen References

1. Barclay AN, et al. 1997. The Leukocyte Antigen FactsBook Academic Press.
2. Haynes BF, et al. 1991. Cancer Cells 3:347.
3. Goldstein LA, et al. 1989. Cell 56:1063.
4. Mikecz K, et al. 1995. Nat. Med. 1:558.
5. Hegde V, et al. 2008. J. Leukocyte Biol. 84:134.
6. Liu T, et al. 2009. Biol. Direct 4:40.

Gene ID

12505 View all products for this Gene ID 960 View all products for this Gene ID

UniProt

View information about CD44 on UniProt.org

Documentation

• Technical Data Sheet (pdf)
• Certificate of Analysis
• Material Safety Data Sheet

Reviews

Related Protocols

• Cell Surface Flow Cytometry Staining Protocol

Related Pages & Pathways

Related FAQs

Other Formats

Certificate of Analysis