Semaphorin 7A Antibody (310829) [Alexa Fluor® 405] Summary
Immunogen |
Mouse myeloma cell line NS0-derived recombinant human Semaphorin 7A His47-Ala648 Accession # O75326 |
Specificity |
Detects human Semaphorin 7A in direct ELISAs. |
Isotype |
IgG2b |
Clonality |
Monoclonal |
Host |
Mouse |
Gene |
SEMA7A |
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
|
Application Notes |
Flow Cytometry: Please use 0.25-1 ug of conjugated antibody per 10e6 cells. |
Packaging, Storage & Formulations
Storage |
Store the unopened product at 2 - 8 °C. Do not use past expiration date. |
Buffer |
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide. |
Preservative |
0.09% Sodium Azide |
Concentration |
Please see the vial label for concentration. If unlisted please contact technical services. |
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 Semaphorin 7A Antibody (310829) [Alexa Fluor® 405]
Background
Semaphorin 7A (Sema7A, designated CD108, previously Sema K1 or Sema L), is an ~80 kDa membrane-anchored glycoprotein that is a member of the Semaphorin family of axon guidance molecules (1‑4). On human erythrocytes, it is the John Milton Hagen (JMH) blood group antigen (4). Sema7A is the only known Class 7 or glycophosphatidylinositol (GPI)-linked semaphorin; its expression is concentrated in the brain, spleen and thymus (1‑5). Human Sema7A cDNA encodes a 44 amino acid (aa) signal sequence, a 604 aa extracellular domain (ECD) including Sema and C2‑type Ig-like domains, and an 18 aa propeptide/GPI membrane anchor signal sequence. Mature human Sema7A shares 89%, 89%, 88%, 86% and 90% aa identity with mouse, rat, canine, bovine and equine Sema7A, respectively. The Sema7A sema domain contains an RGD integrin interaction motif (4). Although it binds plexin-C1 in vitro and may be coexpressed with it, many of its activities depend on interaction with beta 1 integrins such as alpha 1 beta 1 (6‑10). Sema7A signaling through the two receptors may cause opposing effects (8). Sema7A is an immune semaphorin, with expression and activity on CD4+CD8+ thymocytes, activated T cells, macrophages and microglia (2, 9‑12). T cell Sema7A interacts with monocytic cells, stimulating their chemotaxis, production of pro-inflammatory cytokines, and dendritic differentiation (5, 6). However, on the T cells themselves, Sema7A downregulates TCR signaling by promoting TCR internalization, modulating T cell responses (9). In lung macrophages, Sema7A is induced by TGF-beta and participates in TGF-beta -induced lung fibrosis (12). Sema7A is also expressed on pre-osteoblasts and osteoclasts, where it promotes migration and fusion, respectively; on keratinocytes, where it promotes melanocyte spreading and dendricity; and on some neurons, for example, promoting axon outgrowth in the developing olfactory tract (8, 10, 13).
- Yazdani, U. and J.R. Terman (2006) Genome Biol. 7:211.
- Kikutani, H. et al. (2007) Adv. Immunol. 93:121.
- Sato, Y. and Takahashi H. (1998) Biochim. Biophys. Acta. 1443:419.
- Yamada, A. et al. (1999) J. Immunol. 162:4094.
- Holmes, S. et al. (2002) Scand. J. Immunol. 56:270.
- Suzuki, K. et al. (2007) Nature 446:680.
- Pasterkamp, R.J. et al. (2007) BMC Dev. Biol. 7:98.
- Scott, G.A. et al. (2007) J. Invest. Dermatol. 128:151.
- Czopik, A.K. et al. (2006) Immunity 24:591.
- Pasterkamp, R.J. et al. (2003) Nature 424:398.
- Mine, T. et al. (2000) Tissue Antigens 55:429.
- Kang, H.-R. et al. (2007) J. Exp. Med. 204:1083.
- Delorme, G. et al. (2005) Biol. Cell 97:589.
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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