Key Product Details

Species Reactivity

Human

Applications

Flow Cytometry

Label

PE/Cy7 (Excitation = 488 nm, Emission = 778 nm)

Antibody Source

Monoclonal Mouse IgG2A Clone # 301109
View all CRTH-2 Primary Antibodies »

Product Specifications

Immunogen

NS0 mouse myeloma cell line transfected with human CRTH-2
Met1-Ser395
Accession # Q9Y5Y4

Specificity

Detects human CRTH‑2. Stains human CRTH-2-transfected cells but not parental cells.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2A

Applications for CRTH-2/GPR44 Antibody (301109) [PE/Cy7]

Application
Recommended Usage

Flow Cytometry

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined. For optimal results using our Tandem dyes, please avoid prolonged exposure to light or extreme temperature fluctuations. These can lead to irreversible degradation or decoupling. When staining intracellular targets, specific attention to the fixation and permeabilization steps in your flow protocol may be required. Please contact our technical support team at technical@novusbio.com if you have any questions.

Spectra Viewer

Plan Your Experiments

Use our spectra viewer to interactively plan your experiments, assessing multiplexing options. View the excitation and emission spectra for our fluorescent dye range and other commonly used dyes.

Spectra Viewer
Spectra Viewer

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Advanced Features

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Formulation

PBS

Preservative

0.05% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C in the dark. Do not freeze.

Background: CRTH-2

GPR44, also called CRTH2, is a Prostanoid Receptor that binds prostaglandin D2. PGD2 signals through CRTH2 to induce Th2, eosinophil, and basophil chemotaxis in a G-alpha(i) dependent manner. CRTH2 may play a role in mast cell-mediated immune responses such as those involved in allergic reactions. This receptor is upregulated in activated T helper-2 (Th2) cells, peripheral blood basophils, and eosinophils, but not in Th1 lineage cells. It may be a useful marker for Th2 and Tc2 cells. CRTH2 has been reported to be expressed in the central nervous system, peripheral tissues, and in blood cells, particularly activated T helper-2 cells. Two transcripts have been isolated, a 3.5-kb transcript expressed primarily in the thalamus, frontal cortex, pons, and hippocampus, and a 3.4-kb transcript expressed in fetal liver, leukocytes, and thymus. ESTs have been isolated from B-cell/lung/testis, brain, kidney, liver/spleen, placenta, prostate, testis, and thymus libraries.

Long Name

Chemoattractant Receptor-homologous Molecule Expressed on Th2 Cells

Alternate Names

CD294, CRTH2, GPR44, PGD2R, PTGDR2

Gene Symbol

PTGDR2

Additional CRTH-2 Products

Product Documents for CRTH-2/GPR44 Antibody (301109) [PE/Cy7]

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

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Product Specific Notices for CRTH-2/GPR44 Antibody (301109) [PE/Cy7]

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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