Mouse CD300a/LMIR1 Alexa Fluor® 405-conjugated Antibody

R&D Systems, part of Bio-Techne | Catalog # FAB1186V

R&D Systems, part of Bio-Techne

Key Product Details

Species Reactivity

Mouse

Applications

Flow Cytometry

Label

Alexa Fluor 405 (Excitation = 405 nm, Emission = 421 nm)

Antibody Source

Monoclonal Rat IgG2A Clone # 172224

View all CD300a/LMIR1 Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant mouse CD300a/LMIR1
Leu28-Arg183
Accession # BAC80268

Specificity

Detects mouse CD300a/LMIR1 in direct ELISAs. In direct ELISAs, approximately 2% cross-reactivity with recombinant mouse (rm) LMIR2 is observed and no cross-reactivity with recombinant human LMIR1, 2, 3, 4, 5, 6, or rmLMIR3, 4, or 5 is observed.

Clonality

Monoclonal

Host

Rat

Isotype

IgG2A

Applications for Mouse CD300a/LMIR1 Alexa Fluor® 405-conjugated Antibody

Application
Recommended Usage

Flow Cytometry

0.25-1 µg/106 cells
Sample: Mouse T1165 plasmocytoma cell line

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma 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

Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: CD300a/LMIR1

CD300a, also known as LMIR1, CMRF-35H, IRp60, CLM-8, and MAIR-I, is a 60 kDa glycoprotein member of the immunoglobulin superfamily (1). Mouse CD300a consists of a 158 amino acid (aa) extracellular domain (ECD) with one Ig-like V-type domain, a 21 aa transmembrane segment, and a 112 aa cytoplasmic domain that contains three immunoreceptor tyrosine-based inhibitory motifs (ITIMs) and a non-canonical ITIM (2, 3). Within the ECD, mouse CD300a shares 40% and 66% aa sequence identity with human and rat CD300a, respectively. Alternate splicing generates an additional mouse CD300a isoform with a 4 aa deletion following the Ig-like domain (3). In mouse, CD300a is expressed on peripheral eosinophils, mast cells, neutrophils, dendritic cells, macrophages, and some B cells (2‑4). Antibody cross‑linking of CD300a induces phosphorylation of tyrosine residues in the cytoplasmic domain. This leads to the recruitment of phosphatases SHIP, SHP-1, and SHP-2 and inhibition of NK cell, eosinophil, and mast cell activation (2, 3, 5‑7). Cross‑linking of CD300a to other surface proteins such as SCF R or Fc epsilon RI on mast cells, Fc gamma RIIA on neutrophils, or CCR3 on mast cells and eosinophils inhibits downstream signaling from those receptors (4, 8‑10). CD300a cross‑linking also limits the in vivo activities of these cells with a subsequent reduction of allergic inflammation symptoms (4, 7, 9).

References

  1. Clark, G.J. et al. (2009) Trends Immunol. 30:209.
  2. Kumagai, H. et al. (2003) Biochem. Biophys. Res. Commun. 307:719.
  3. Yotsumoto, K. et al. (2003) J. Exp. Med. 198:223.
  4. Munitz, A. et al. (2006) J. Allergy Clin. Immunol. 118:1082.
  5. Cantoni, C. et al. (1999) Eur. J. Immunol. 29:3148.
  6. Munitz, A. et al. (2006) Blood 107:1996.
  7. Bachelet, I. et al. (2005) J. Immunol. 175:7989.
  8. Bachelet, I. et al. (2008) J. Immunol. 180:6064.
  9. Bachelet, I. et al. (2006) J. Allergy Clin. Immunol. 117:1314.
  10. Alvarez, Y. et al. (2008) Mol. Immunol. 45:253.

Alternate Names

CD300a, CLM8, CMRF-35H, IGSF12, IRC1, IRC2, IRp60, LMIR1, MAIR-I, Mcipr1, NKRL, Pigr4

Entrez Gene IDs

11314 (Human); 217303 (Mouse)

Gene Symbol

CD300A

UniProt

BAC80268

Additional CD300a/LMIR1 Products

Product Documents for Mouse CD300a/LMIR1 Alexa Fluor® 405-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 Mouse CD300a/LMIR1 Alexa Fluor® 405-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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