Ketotifen-13C-d3 |
Catalog No.GC47529 |
A neuropeptide with diverse biological activities
Products are for research use only. Not for human use. We do not sell to patients.
Cas No.: 2748522-40-7
Sample solution is provided at 25 µL, 10mM.
Ketotifen-13C-d3 is intended for use as an internal standard for the quantification of ketotifen by GC- or LC-MS. Ketotifen is a histamine H1 receptor antagonist (Ki = 1.3 nM) and mast cell stabilizer.1,2 It is selective for H1 receptors over H2 and H3 receptors (Kis = 987 and 2,500 nM, respectively).1 Ketotifen (50 and 100 μM) inhibits degranulation of rat peritoneal mast cells induced by compound 48/80 .2 It inhibits the passive cutaneous anaphylaxis (PCA) reaction in rats by 54.6% when administered orally at a dose of 20 mg/kg.3 Ketotifen (30 mg/kg) inhibits the quick phase airway response in a rat ovalbumin-induced immediate airway response model.4 Formulations containing ketotifen have been used in the treatment of itching associated with allergic conjunctivitis.
1.Sharif, N.A., Xu, S.X., and Yanni, J.M.Olopatadine (AL-4943A): Ligand binding and functional studies on a novel, long acting H1-selective histamine antagonist and anti-allergic agent for use in allergic conjunctivitisJ. Ocul. Pharmacol. Ther.12(4)401-407(1996) 2.Baba, A., Tachi, M., Ejima, Y., et al.Anti-allergic drugs tranilast and ketotifen dose-dependently exert mast cell-stabilizing propertiesCell Physiol. Biochem.38(1)15-27(2016) 3.Nishikawa, Y., Shindo, T., Ishi, K., et al.Acrylamide derivatives as antiallergic agents. III. Synthesis and structure-activity relationships of N-[4-(4-diphenylmethyl-1-piperazinyl)butyl]- and N-[4-(4-diphenylmethylene-1-piperidyl)butyl]-3-heteroarylacry lamidesChem. Pharm. Bull. (Tokyo)37(3)684-687(1989) 4.Miyagawa, N., Iwasaki, H., Kato, T., et al.Two pharmacological phases in antigen-induced immediate airway response in ratsBiol. Pharm. Bull.32(12)2260-2264(2008)
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