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CD9 Antibody (1021007) [Alexa Fluor® 350]

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Product Details

Summary
Reactivity HuSpecies Glossary
Applications Flow
Clone
1021007
Clonality
Monoclonal
Host
Mouse
Conjugate
Alexa Fluor 350

Order Details

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CD9 Antibody (1021007) [Alexa Fluor® 350] Summary

Immunogen
Chinese Hamster Ovary cell line, CHO-derived human CD9
Ser112-Ile195
Accession # P21926
Specificity
Detects human CD9 in direct ELISAs.
Source
N/A
Isotype
IgG2b
Clonality
Monoclonal
Host
Mouse
Purity Statement
Protein A or G purified from hybridoma culture supernatant
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Flow Cytometry 0.25-1 ug/10^6 cells

Packaging, Storage & Formulations

Storage
Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.
Buffer
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.

Notes


This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for CD9 Antibody (1021007) [Alexa Fluor® 350]

  • BA2
  • BA-2/p24 antigen
  • BTCC-1
  • CD9 antigen
  • CD9 molecule
  • CD9
  • Cell growth-inhibiting gene 2 protein
  • DRAP-27
  • Leukocyte antigen MIC3
  • MIC3
  • motility related protein-1,5H9 antigen
  • Motility-related protein
  • MRP-1FLJ99568
  • p24
  • tetraspanin-29
  • TSPAN29
  • TSPAN-29
  • TSPAN29MIC3CD9 antigen (p24)

Background

CD9, also known as Tspan29, is a 24-27 kDa cell surface protein belonging to the tetraspanin family (1). Common to other tetraspanins, CD9 is composed of four transmembrane domains, short N- and C-terminal cytoplasmic domains, and two extracellular loops. The larger extracellular loop, referred to as the LEL or EC2, contains highly conserved CCG and PXSC motifs (2, 3). The LEL mediates noncovalent protein-protein interactions, allowing tetraspanins to associate with each other as well as signaling molecules, structural proteins, and G-protein coupled receptors (4-6). Human CD9 is expressed in multiple cell and tissue types and has been identified in diverse biological roles due to its involvement in the formation of tetraspanin-enriched microdomains (TEMs). TEMs are associated with numerous processes ranging from cell adhesion and fusion, membrane trafficking, and endocytosis to leukocyte adherence and motility (4-7). These tetraspanin-enriched microdomains (TEMs) are associated with a wide range of functions from cell adhesion and fusion, membrane trafficking and endocytosis, and eukocyte adherence and motility. The LEL of human CD9 shares 77% and 84% amino acid sequence identity with mouse and rat CD9, respectively.  CD9 can form homodimers or interact with other proteins including CD117, CD29, CD46, CD49c, CD81, CD315, Tspan4, TGF-alpha , and HBEGF (1, 4, 8-13). Increased expression of CD9 has been shown to enhance transmembrane TGF-alpha -induced EGFR stimulation (1), and injection of human CD9 mRNA into CD9 knock-out mouse oocytes restored sperm-egg fusion (14). CD9-LEL may also be involved in the inhibition of multinucleated giant cell formation (3) as well as possess anti-adhesive effects against bacteria trying to invade mammalian cells (6, 15). CD9 interacts with integrins to regulate cell adhesion and motility (16-18). CD9 has been implicated in platelet activation and aggregation (17, 19). It may act as the terminal signal of myelination in the peripheral nervous system and can regulate the formation of paranodal junctions (20). Also, it has been suggested CD9 plays an important role both in the self-antigen and recall antigen-induced T cell activation (21).
  1. Shi, W. et al. (2000) J. Cell Biol. 148:591.
  2. Hemler, M. (2003) Annu Rev Cell Biol. 19:397.
  3. Hulme, R. et al. (2014) PLoS One 9:e116289.
  4. Stipp, C. et al. (2003) Trends Biochem Sci. 28:106.
  5. Barreiro, O. et al. (2005) Blood 105:2852.
  6. Ventress, J. et al. (2016) PLoS One 11:e0160387.
  7. Rubinstein, E. (2011) Biochem Soc Trans. 39:501.
  8. Anzai, N. et al. (2002) Blood 99:4413.
  9. Radford, K. et al. (1996) Biochem. Biophys. Res. Commun. 222:13.
  10. Lozahic, S. et al. (2000) Eur. J. Immunol. 30:900.
  11. Park, K. et al. (2000) Mol. Hum. Reprod. 6:252.
  12. Charrin, S. et al. (2001) J. Biol. Chem. 276:14329.
  13. Tachibana, I. et al. (1997) J. Biol. Chem. 272:29181.
  14. Zhu, G. et al. (2002) Development 129:1995.
  15. Green, L. et al. (2011) Infect Immun. 79:2241.
  16. Powner, D. et al. (2011) Biochem. Soc. Trans. 39:563.
  17. Detchokul, S. et al. (2014) British Journal of Pharmacology 171:5462.
  18. Reyes, R. et al. (2018) Front. Immunol. 9:863.
  19. Slupsky, J. et al. (1989) J Biol chem. 264:12289.
  20. Ishibashi, T. et al. (2004) J. Neuroscience 24:96.
  21. Kobayashi, H. et al. (2004) Clin Exp Immunol. 137:101.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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