Antibody Clonality:
Polyclonal
Applications:- Enzyme-Linked Immunosorbent Assay (ELISA)
- Immunofluorescence (IF)
- Immunohistochemistry (IHC)
- Western Blot (WB)
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Further Information
CRTH2 Antibody: DP2, DL1R, CD294, CRTH2, GPR44, Prostaglandin D2 receptor 2, Chemoattractant receptor-homologous molecule expressed on Th2 cells
CRTH2 antibody can be used for detection of CRTH2 by Western blot a 1 μg/mL. Antibody can also be used for immunohistochemistry starting at 2.5 μg/mL. For immunofluorescence start at 20 μg/mL.
Antibody validated: Western Blot in human samples; Immunohistochemistry in human samples and Immunofluorescence in human samples. All other applications and species not yet tested.
CRTH2 Antibody: The chemoattractant receptor-homologous molecule expressed on Th2 cells (CRTH2) is a recently identified receptor for the prostaglandin D2 (PGD2) in addition to the classic prostaglandin D receptor. CRTH2 is expressed on Th2 cells and eosinophils and mediates chemotaxis of these cells to PGD2 and is thus thought to be a key receptor mediating eosinophil and Th2 recruitment during allergic responses. However, CRTH2-null mice showed enhanced eosinophil recruitment into the lung consistent with observations that the CRTH2-null mice produced significantly higher amounts of interleukin-5 (IL-5) and IL-3. This suggests that CRTH2 plays a nonredundant role in restricting eosinophilia and allergic response in vivo.
- Nagata K, Hirai K, Tanaka K, et al. CRTH2, an orphan receptor of T-helper-2-cells, is expressed on basophils and eosinophils and responds to mast cell-derived factor(s). FEBS Lett. 1999; 459:195-9.
- Shichijo M, Sugimoto H, Nagao K, et al. Chemoattractant receptor-homologous molecule expressed on Th2 cells activation in vivo increases blood leukocyte counts and its blockage abrogates 13,14-dihydro-15-keto-prostaglandin D2-induced eosinophilia in rats. J. Pharmacol. Exp. Ther. 2003; 307:518-25.
- Chevalier E, Stock J, Fisher T, et al. Cutting edge: chemoattractant receptor-homologous molecule expressed on Th2 cells plays a restricting role on IL-5 production and eosinophil recruitment. J. Immunol. 2005; 2056-60.
CRTH2 Antibody is supplied in PBS containing 0.02% sodium azide.
1 mg/mL
Unconjugated
Optimal dilutions/concentrations should be determined by the end user. The information provided is a guideline for product use. This product is for research use only.
CRTH2 antibody was raised against a 18 amino acid synthetic peptide from near the amino terminus of human CRTH2.
The immunogen is located within the first 50 amino acids of CRTH2.
11251
prostaglandin D2 receptor 2
PTGDR2
Homo sapiens
Liquid
PREDICTED MOLECULAR WEIGHT:
Predicted: 43, 55 kDa
Observed: 60 kDa
NP_004769
153791424
CRTH2 Antibody is affinity chromatography purified via peptide column.
Immunology
At least two different isoforms of CRTH2 are known to exist; this antibody will detect both isoforms.
Q9Y5Y4
Optimal dilutions for each application to be determined by the researcher.