Novel, selective inhibitor of interleukin-5 (IL-5) (IC50 = 0.45 - 1 mM). Inhibits IL-5-prolonged eosinophil survival and IL-5-induced tyrosine phosphorylation of JAK2 without inhibiting GM-CSF-mediated effects. Inhibits antigen-induced eosinophil and lymphocyte recruitment in rat airways in vivo, without affecting peripheral blood or bone marrow leukocytes.
Sold with the permission of Astellas Pharma Inc.
|Storage||Store at RT|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
|Solvent||Max Conc. mg/mL||Max Conc. mM|
Preparing Stock Solutions
The following data is based on the product molecular weight 359.43. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|0.5 mM||5.56 mL||27.82 mL||55.64 mL|
|2.5 mM||1.11 mL||5.56 mL||11.13 mL|
|5 mM||0.56 mL||2.78 mL||5.56 mL|
|25 mM||0.11 mL||0.56 mL||1.11 mL|
References are publications that support the biological activity of the product.
Morokata et al (2002) Characterization of YM-90709 as a novel antagonist which inhibits the binding of interleukin-5 to interleukin-5 receptor. Int.Immunopharmacol. 2 1693 PMID: 12469943
Morokata et al (2004) Effect of a novel interleukin-5 receptor antagonist, YM-90709 (2,3-dimethoxy-6,6-dimethyl-5,6-dihydrobenzo[7,8]indolizino[2,3-b]quinoxaline), on antigen-induced airway inflammation in BN rats. Int.Immunopharmacol. 4 873 PMID: 15182727
Morokata et al (2005) Effect of a novel interleukin-5 receptor antagonist, YM-90709, on antigen-induced eosinophil infiltration into the airway of BDF1 mice. Immunol.Lett. 98 161 PMID: 15790522
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Literature in this Area
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Peripheral sensitization is the reduction in the threshold of excitability of sensory neurons that results in an augmented response to a given external stimulus. This poster outlines the excitatory and inhibitory signaling pathways involved in modulation of peripheral sensitization. The role of ion channels, GPCRs, neurotrophins, and cytokines in sensory neurons are also described.