Mouse CD300a/LMIR1 Alexa Fluor™ Plus 680‑conjugated Antibody

R&D Systems | Catalog # FAB1186AFP680

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Key Product Details

Species Reactivity

Mouse

Applications

Flow Cytometry, CyTOF-ready

Label

Alexa Fluor Plus 680 (Excitation = 687 nm, Emission = 704 nm)

Antibody Source

Monoclonal Rat IgG2A Clone # 172224
View all CD300a/LMIR1 Primary Antibodies »

Product Specifications

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™ Plus 680‑conjugated Antibody

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: 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™ Plus 680‑conjugated Antibody

Certificate of Analysis

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Product Specific Notices for Mouse CD300a/LMIR1 Alexa Fluor™ Plus 680‑conjugated Antibody


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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