Human Integrin  alpha 6 beta 1 Heterodimer Alexa Fluor™ Plus 594‑conjugated Antibody

R&D Systems | Catalog # FAB7809AFP594

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Key Product Details

Species Reactivity

Human

Applications

Flow Cytometry, CyTOF-ready

Label

Alexa Fluor Plus 594 (Excitation = 590 nm, Emission = 618 nm)

Antibody Source

Recombinant Monoclonal Rabbit IgG Clone # 2548B
View all Integrin alpha 6 beta 1 Primary Antibodies »

Product Specifications

Specificity

Detects human Integrin  alpha 6 beta 1 in direct ELISAs. In direct ELISA, less than 1% of cross reactivity with recombinant human (rh) Integrin beta 1 and recombinant mouse (rm) Integrin alpha 6 is observed. In direct ELISA, no cross-reactivity with rhIntegrin alpha 3, beta 2, beta 3, beta 5, beta 6, beta 7, and rmIntegrin beta 1 is observed.

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG

Applications

Application
Recommended Usage

CyTOF-ready

Optimal dilution of this antibody should be experimentally determined.

Flow Cytometry

Optimal dilution of this antibody should be experimentally determined.

Spectra Viewer

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Flow Cytometry

Formulation, Preparation, and Storage

Formulation

Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied

Background: Integrin alpha 6 beta 1

Integrin alpha 6 beta 1, also called platelet glycoprotein GPIc-IIa, is a laminin binding integrin that is expressed on T cells, monocytes, endothelial cells, stem cells, and platelets (1-9). The non-covalent heterodimer is composed of ~150 kDa alpha 6/CD49f and 130 kDa beta 1/CD29 type I transmembrane glycoprotein subunits (2). While alpha 6 pairs only with beta 1 or beta 4, twelve integrins share the beta 1 subunit (1-5). The alpha 6 subunit is cleaved into extracellular heavy and transmembrane light chains (3). Alternative splicing in the human alpha 6 extracellular domain (ECD) at amino acid (aa) 216 creates X1 (ubiquitous), X2 and X1X2 isoforms, while splicing at a mouse or human cytoplasmic site creates A and B isoforms (10, 11). These forms do not appear to alter the binding specificity (4, 10, 11). The beta 1 ECD contains a vWFA domain, which participates in binding. Each subunit then has a transmembrane sequence and a short cytoplasmic tail. The dimer is folded when it is least active. Divalent cations and intracellular (inside-out) signaling convert it to its most active, extended and open conformation (1, 2). The human alpha 6 (X1) heavy chain shares 94‑95% aa identity with mouse, rat, bovine, and canine alpha 6, and the human beta 1 ECD shares 92‑96% aa sequence identity with rat, bovine, mouse, and feline beta 1. alpha 6 beta 1 shows broad specificity for adhesion to laminin isoforms (4, 10). Its expression on human and mouse pluripotent stem cells is important for attachment, expansion, and self‑renewal on LN‑511 (laminin  alpha 5  beta 1 gamma 1) (6, 7). The secreted protein Netrin-4 and the laminin  gamma 1 subunit form an adhesion‑activating complex with alpha 6 beta 1 on mouse neural stem cells and human lymphatic endothelial cells that promotes lymphangiogenesis (8, 9). alpha 6 beta 1 up‑regulation on cancers such as prostate, glioma, and hepatoma is reported to enhance tumorigenicity, motility, invasion and metastasis (12‑14). alpha 6 beta 1 cleavage via uPA (urokinase-type plasminogen activator) facilitates tumorigenicity in prostate cancers, and interaction of hepatoma alpha 6 beta 1 with EMMPRIN/CD147 may also enhance tumorigenicity by inducing uPA and other metalloproteinases (12, 13).

References

  1. Takada, Y. et al. (2007) Genome Biol. 8:215.
  2. Luo, B-H. et al. (2007) Annu. Rev. Immunol. 25:619.
  3. Tamura, R.N. et al. (1990) J. Cell Biol. 111:1593.
  4. Nishiuchi, R. et al. (2006) Matrix Biol. 25:189.
  5. Sonnenberg, A. and C.J.T. Linders (1990) J. Cell Science 96:207.
  6. Rodin, S. et al. (2010) Nat. Biotech. 28:611.
  7. Domogatskaya A. et al. (2008) Stem Cells 26:2800.
  8. Staquicini, F.I. et al. (2009) Proc. Natl. Acad. Sci. USA 106:2903.
  9. Larrieu-Lahargue, F. et al. (2011) Circ. Res. 109:770.
  10. Delwel, G. O. et al. (1995) Cell Adhes. Commun. 3:143.
  11. Hogervorst, F. et al. (1993) J. Cell Biol. 121:179.
  12. Sroka, I.C. et al. (2011) Mol. Cancer Res. 9:1319.
  13. Dai, J.Y. et al. (2009) BMC Cancer 9:337.
  14. Delamarre, E. et al. (2009) Am. J. Pathol. 175:844.

Alternate Names

CD49f, ITGA6B, VLA-6

UniProt

NP_000201

Additional Integrin alpha 6 beta 1 Products

Product Documents

Certificate of Analysis

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Product Specific Notices


This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.

For research use only

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