CD300f/LMIR3/CD300LF Antibody (234903) [Unconjugated]

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CD300f/LMIR3 was detected in immersion fixed human peripheral blood mononuclear cells (PBMCs) using Rat Anti-Human CD300f/LMIR3 Monoclonal Antibody (Catalog # MAB2774) at 15 µg/mL for 3 hours at room temperature. Cells ...read more

Product Details

Summary
Reactivity HuSpecies Glossary
Applications Flow, CyTOF-ready, ICC/IF
Clone
234903
Clonality
Monoclonal
Host
Rat
Conjugate
Unconjugated
Concentration
LYOPH

CD300f/LMIR3/CD300LF Antibody (234903) [Unconjugated] Summary

Immunogen
Y3 rat myeloid cell line transfected with human CD300f/LMIR3
Specificity
Detects human CD300f/LMIR3 in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant human LMIR1, 2, 4, 5, 6, or recombinant mouse LMIR3 is observed.
Source
N/A
Isotype
IgG2b
Clonality
Monoclonal
Host
Rat
Gene
CD300LF
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 ug/10^6 cells
  • CyTOF-ready
  • Immunocytochemistry 8-25 ug/mL
Publications
Read Publications using
MAB2774 in the following applications:

Packaging, Storage & Formulations

Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Preservative
No Preservative
Concentration
LYOPH
Reconstitution Instructions
Reconstitute at 0.5 mg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for CD300f/LMIR3/CD300LF Antibody (234903) [Unconjugated]

  • CMRF35-like molecule 1
  • CD300 molecule-like family member f
  • CD300f
  • CD300LF
  • CLIM1
  • CLM1
  • CLM-1
  • DIgR2
  • IGSF13
  • IREM1
  • IREM-1
  • LMIR3
  • NKIR
  • Pigr3

Background

CD300f, also known as CD300LF, LMIR3, IREM-1, CLM-1, IgSF13, DIgR1, and MAIR-V, is a 50‑60 kDa glycoprotein member of the immunoglobulin superfamily (1). Human CD300f consists of a 137 amino acid (aa) extracellular domain (ECD) with one Ig-like V-type domain, a 21 aa transmembrane segment, and a 113 aa cytoplasmic domain that contains multiple immunoreceptor tyrosine-based inhibitory motifs (ITIMs) or ITIM-like sequences (2, 3). Alternate splicing generates additional isoforms that carry substituted C-terminal tails of varying lengths and sequences following the ECD or transmembrane segment (3). Within the ECD, human CD300f shares 43% aa sequence identity with mouse and rat CD300f. CD300f is expressed on the surface of dendritic cells, monocytes, granulocytes, and mast cells as well as on acute myeloid leukemia (AML) blasts (2‑4). Pervanadate treatment or antibody crosslinking of CD300f induces phosphorylation of tyrosine residues in the cytoplasmic domain and the subsequent recruitment of phosphatases SHIP, SHP-1, SHP-2, and the p85 alpha subunit of PI3K (2, 3, 5, 6). CD300f ligation can induce cell death and inhibit signaling through multiple receptors including Fc epsilon RI, LMIR4, SCF R, TLR2, TLR3, and TLR9 (3‑8). In contrast, it enhances TLR4-mediated signaling/cytokine production in mast cells through association with the activating signaling protein FcR gamma (5). In mouse, a splice variant of CD300f (known as DIgR2, with a 7 aa insertion in the ECD) inhibits CD4+ T cell activation and in vivo Th1 and CTL responses (9). CD300f is upregulated on monocytes surrounding experimentally-induced spinal cord demyelination and functions as a negative regulator of inflammation in the CNS (10).
  1. Clark, G.J. et al. (2009) Trends Immunol. 30:209.
  2. Sui, L. et al. (2004) Biochem. Biophys. Res. Commun. 319:920.
  3. Alvarez-Errico, D. et al. (2004) Eur. J. Immunol. 34:3690.
  4. Korver, W. et al. (2009) Leukemia 23:1587.
  5. Izawa, K. et al. (2009) J. Immunol. 183:925.
  6. Alvarez-Errico, D. et al. (2007) J. Immunol. 178:808.
  7. Can, I. et al. (2008) J. Immunol. 180:207.
  8. Izawa, K. et al. (2007) J. Biol. Chem. 282:17997.
  9. Shi, L. et al. (2006) Blood 108:2678.
  10. Xi, H. et al. (2010) J. Exp. Med. 207:7.

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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Publications for CD300f/LMIR3/CD300LF Antibody (MAB2774)(2)

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Secondary Antibodies

 

Isotype Controls

Other Available Formats

Alexa Fluor 350 FAB2774U
Alexa Fluor 405 FAB2774V
Alexa Fluor 488 FAB2774G
Alexa Fluor 594 FAB2774T
Alexa Fluor 647 FAB2774R
Alexa Fluor 700 FAB2774N
Alexa Fluor 750 FAB2774S

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Bioinformatics

Gene Symbol CD300LF