Human BTLA Alexa Fluor® 700-conjugated Antibody

R&D Systems, part of Bio-Techne | Catalog # FAB33542N

Recombinant Monoclonal Antibody.
R&D Systems, part of Bio-Techne
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FAB33542N-100UG
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Key Product Details

Species Reactivity

Human

Applications

Flow Cytometry

Label

Alexa Fluor 700 (Excitation = 675-700 nm, Emission = 723 nm)

Antibody Source

Recombinant Monoclonal Rabbit IgG Clone # 2161A

View all BTLA Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line, NS0-derived human BTLA
Ile25-Ser150
Accession # AAP44003

Specificity

Detects human BTLA in direct ELISAs.

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG

Applications for Human BTLA Alexa Fluor® 700-conjugated Antibody

Application
Recommended Usage

Flow Cytometry

0.25-1 µg/106 cells
Sample: Human PBMC
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A or G purified from cell culture supernatant

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: BTLA

B- and T-lymphocyte attenuator (BTLA; CD272) is a 35 kDa type I transmembrane glycoprotein in the CD28 family of T cell co-stimulatory molecules (1-3). Mature human BTLA contains a 127 amino acid (aa) extracellular domain (ECD), a 21 aa transmembrane sequence, and a 111 aa cytoplasmic domain. The two ITIM motifs and three Tyr phosphorylation sites in the cytoplasmic tail transmit inhibitory signaling (4-5). The ECD of human BTLA shares 42% and 44% aa identity with that of mouse and rat BTLA, respectively. A splice variant lacking the transmembrane domain has been reported (6). Unlike other CD28 family members, the BTLA Ig domain in the ECD is of the I-type rather than V-type, and BTLA does not form homodimers (7). BTLA is also unusual in its interaction with the TNF superfamily member HVEM rather than with B7 family ligands (8). BTLA is expressed on T cells, B cells, macrophages, dendritic cells, and NK cells (9). Its expression is low in naïve T cells and increases during antigen-specific induction of anergy. In B cells, BTLA expression is highest in mature naïve cells (9). BTLA apparently limits T cell numbers, since its deletion results in overproduction of T cells, especially CD8+ memory T cells that are hyper-responsive to TCR cross-linking (10). Under the control of ROR gammat and IL-7, BTLA regulates the homeostasis and inflammatory responses of gamma deltaT cells (11). The binding of BTLA and HVEM does not preclude the concurrent binding of other HVEM ligands such as LIGHT or Lymphotoxin-alpha (12).

References

  1. Murphy, K.M. et al. (2006) Nat. Rev. Immunol. 6:671.
  2. Croft, M. (2005) Trends. Immunol. 26:292.
  3. Watanabe, N. et al. (2003) Nat. Immunol. 4:670.
  4. Gavrieli, M. et al. (2003) Biochem. Biophys. Res. Commun. 312:1236.
  5. Chemnitz, J.M. et al. (2006) J. Immunol. 176:6603.
  6. Han, P. et al. (2004) J. Immunol. 172 :5931.
  7. Compaan, D.M. et al. (2005) J. Biol. Chem. 280:39553.
  8. Sedy, J. R. et al. (2005) Nat. Immunol. 6:90.
  9. Hurchla, M.A. et al. (2005) J. Immunol. 174:3377.
  10. Krieg, C. et al. (2007) Nat. Immunol. 8:162.
  11. Bekiaris, V. et al. (2013) Immunity 39:1082.
  12. Cai G and Freeman GJ, (2009) Immunol Rev. 229:244

Long Name

B- And T-Lymphocyte Attenuator

Alternate Names

CD272

Entrez Gene IDs

151888 (Human); 208154 (Mouse); 102144877 (Cynomolgus Monkey)

Gene Symbol

BTLA

UniProt

AAP44003

Additional BTLA Products

Product Documents for Human BTLA Alexa Fluor® 700-conjugated Antibody

Product Datasheets

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human BTLA Alexa Fluor® 700-conjugated Antibody


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.

For research use only

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