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Human H4 Receptor Membrane Preparation Technical Manual No. TM0473 I II III I. Version 11232009 Introduction ….……………………………………………………………………………. Background ………..………………………………………………………………………. References ………………………………………………………………………………. 1 1 2 Introduction Catalog Number:M00375 Cell Line Name: CHO-K1/H4/Gα15 Gene Synonyms: GPRv53, HH4R, GPCR105, AXOR35, SP9144 Expressed Gene: Genbank Accession Number NM_021624; no expressed tags Host cell: CHO-K1 Quantity: 1 vial (1 ml per vial) Protein Concentration: 1 mg/ml Buffer: 50 mM HEPES, 5 mM MgCl2, 1 mM CaCl2 and 0.2% BSA, pH7.4 Application: Binding assay for H4 receptor Storage: Store at -80°C II. Background: Histamine receptor family consists of four members, namely, H1, H2, H3, and H4. The histamine H4 receptor is the most recently identified G protein-coupled histamine receptor that binds to several neuroactive drugs, including amitriptyline and clozapine. So far, H4 receptors have been found only on haematopoietic cells. This signifies its important role as a drug target for the treatment of inflammatory diseases. -1- III. 1. References Leurs R, Chazot PL, Shenton FC, Lim HD, de Esch IJ.Br. (2009) Molecular and biochemical pharmacology of the histamine H4 receptor. J. Pharmacol. 2009 May; 157(1):14-23. 2. Lim HD, van Rijn RM, Ling P, Bakker RA, Thurmond RL, Leurs R. (2005) Evaluation of histamine H1-, H2-, and H3-receptor ligands at the human histamine H4 receptor: identification of 4-methylhistamine as the first potent and selective H4 receptor agonist., J. Pharmacol. Exp. Ther. 2005 Sep; 314(3):1310-21. GenScript USA Inc. 120 Centennial Ave., Piscataway, NJ 08854 Tel: 732-885-9188, 732-885-9688 Fax: 732-210-0262, 732-885-5878 Email: [email protected] Web: http://www.genscript.com For Research Use Only. -2-