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Anti-Cannabinoid Receptor II antibody (ab3561)

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Overview

Product name

Anti-Cannabinoid Receptor II antibody
See all Cannabinoid Receptor II products (6) ...

Description

Rabbit polyclonal to Cannabinoid Receptor II

Specificity

Detects CB2 from human and rat tissues as well as transfected rat CB2. Immunocytochemical staining of CB2 on AtT20 cells transfected with the rat CB2 gene yields a pattern consistent with plasma membrane staining.

Tested applications

IHC-Fr, WB, IHC-P, ICC, ICC/IF, Flow Cytmore details

Cross reactivity

Reacts with

Mouse, Rat, Human, Chinese Hamster

Immunogen

Fusion protein, corresponding to amino acids 1-32 of Rat Cannabinoid Receptor II.

Positive control

AtT20 cells.

Properties

Form

Liquid

Storage instructions

Shipped at 4°C. Upon delivery aliquot and store at -20°C or -80°C. Avoid repeated freeze / thaw cycles.

Storage buffer

PBS, 50% glycerol, 1 mg/ml BSA and 0.05% sodium azide

Concentration

Concentration information loading...

Purity

Immunogen affinity purified

Primary antibody notes

Cannabinoids exert their well known physiological effects through two G protein coupled receptors, cannabinoid receptor 1 (CB1) and CB2. Both cannabinoid receptors have been shown to inhibit adenylyl cyclase as well as stimulate the mitogen-activated protein kinase, MAPK. CB1 receptors also modulate ion channels through direct G-protein interactions. Delta 9-tetrahydrocannibinol and related ligands likely exert their psychoactive effects by inhibiting presynaptic N- and P / Q type calcium channels. CB2 is thought to function primarily in the immune system although it has been suggested to be present in the central nervous system, including the retina.

Clonality

Polyclonal

Isotype

IgG

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Cannabinoid Receptor II antibody (ab3561)Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Cannabinoid Receptor II antibody (ab3561) image (enlarge)

  • Immunocytochemistry/ Immunofluorescence - Cannabinoid Receptor II antibody (ab3561)Immunocytochemistry/ Immunofluorescence - Cannabinoid Receptor II antibody (ab3561) image (enlarge)

  • Flow Cytometry - Anti-Cannabinoid Receptor II antibody (ab3561)Flow Cytometry - Anti-Cannabinoid Receptor II antibody (ab3561) image (enlarge)

Applications

Show applications key

Our Abpromise guarantee covers the use of ab3561 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application notes

Flow Cyt: Use at an assay dependent dilution (PMID 18178718).
ICC/IF: 1/500 - 1/5000.
IHC-P: Use at an assay dependent concentration.
IHC-Fr: 1/500.
WB: Use at an assay dependent dilution. Predicted molecular weight: 40 kDa.


Not yet tested in other applications.
Optimal dilutions/concentrations should be determined by the end user.

Target

Function

Heterotrimeric G protein-coupled receptor for endocannabinoid 2-arachidonoylglycerol mediating inhibition of adenylate cyclase. May function in inflammatory response, nociceptive transmission and bone homeostasis.

Tissue specificity

Preferentially expressed in cells of the immune system with higher expression in B cells and NK cells (at protein level). Expressed in skin in suprabasal layers and hair follicles (at protein level). Highly expressed in tonsil and to a lower extent in spleen, peripheral blood mononuclear cells, and thymus. PubMed:14657172 could not detect expression in normal brain. Expressed in brain by perivascular microglial cells and dorsal root glanglion sensory neurons (at protein level).

Sequence similarities

Belongs to the G-protein coupled receptor 1 family.

Post-translational
modifications

Constitutively phosphorylated on Ser-352; phosphorylation increases cell internalization and desensitizes the receptor.

Cellular localization

Cell membrane. Cell projection > dendrite. Perikaryon. Localizes to apical dendrite of pyramidal neurons.

Target information above from: UniProt accessionP34972 The UniProt Consortium
The Universal Protein Resource (UniProt) in 2010
Nucleic Acids Res. 38:D142-D148 (2010).

Information by UniProt

Alternative names

  • Cannabinoid receptor 2 antibody
  • Cannabinoid receptor 2 macrophage antibody
  • CB 2 antibody
  • CB-2 antibody
  • CB2 antibody
  • CNR2 antibody
  • CNR2_HUMAN antibody
  • CNRII antibody
  • CX 5 antibody
  • CX5 antibody
  • hCB2 antibody
see all

Anti-Cannabinoid Receptor II antibody images:

  Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Cannabinoid Receptor II antibody (ab3561)

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Cannabinoid Receptor II antibody (ab3561)

ab3561 at 1/5000 staining rat spinal cord tissue sections by IHC-P. Following nerve trans-section, the animal was transcardially perfused with PBS followed by 4% formaldehyde (no post fixation) then frozen in OCT and stored at -80°C until required. 20µm sections were cut and stained with the antibody for 18 hours. A biotinylated goat anti-rabbit antibody was used as the secondary.

This image is courtesy of an Abreview submitted by Ms Nancy Nutile-McMenemy

See Abreview

  Immunocytochemistry/ Immunofluorescence - Cannabinoid Receptor II antibody (ab3561)

Immunocytochemistry/ Immunofluorescence - Cannabinoid Receptor II antibody (ab3561)

ab3561 staining Cannabinoid Receptor II in murine BV2 cells by Immunocytochemistry/ Immunofluorescence. Cells were stimulated with 10 uM ADP for 15 minutes at 37°C, 5%CO2 then washed 3X with PBS and fixed with 2% formaldehyde for 15 minutes at room temperature. A blocking step was performed for 1 hour at room temperature with 5% FBS/PBS/0.01% Triton-X-100. ab3561 used at a 1/500 dilution for 1 hour at room temperature then washed 3X PBS. The secondary was an Alexa Fluor 488 conjugated antibody, used at a 1/250 for 1 hour at room temperature, washed 3X PBS then mounted in Vectashield containing DAPI.

Image courtesy of an anonymous Abreview.

  Flow Cytometry - Anti-Cannabinoid Receptor II antibody (ab3561)

Flow Cytometry - Anti-Cannabinoid Receptor II antibody (ab3561)

Quantification of Cannabinoid Receptor II surface expression in primary human and HaCaT keratinocytes. FL-1 shows autofluorescence (black population), non-specific binding of secondary antibody (dark grey population) and specific immunofluorescence obtained with ab3561, respectively (light grey population).

Image from Leonti M et al, Biochem Pharmacol. 2010 Jun 15;79(12):1815-26. Epub 2010 Mar 3, Fig 6. DOI 10.1016/j.bcp.2010.02.015

References for Anti-Cannabinoid Receptor II antibody (ab3561)

This product has been referenced in:

  • Andrea L. Small-Howard et al Anti-inflammatory potential of CB1-mediated cAMP elevation in mast cells. Biochem J 388:465-473 (2005).Read more (PubMed: ) »
  • Torres E  et al. Evidence that MDMA ('ecstasy') increases cannabinoid CB2 receptor expression in microglial cells: role in the neuroinflammatory response in rat brain. J Neurochem : (2010).Read more (PubMed: 20067581) »

See all 11 publications for this product

Publishing research using ab3561? Please let us know so that we can cite the reference in this datasheet

Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"