Cat. No. 1362

5'-Iodoresiniferatoxin C37H39IO9 [535974-91-5]

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Alternative Names: Iodoresiniferatoxin, 5'-IRTX

Chemical Name: 6,7-Deepoxy-6,7-didehydro-5-deoxy-21-dephenyl-21-(phenylmethyl)-daphnetoxin,20-(4-hydroxy-5-iodo-3-methoxybenzeneacetate)

Biological Activity

Potent and silent vanilloid receptor antagonist, 40-fold more potent than capsazepine (Cat. No. 0464). Binds to TRPV1 (VR1) receptors expressed in HEK293 cells with a Ki of 5.8 nM.

Technical Data

Soluble in DMSO and to 100 mM in ethanol
>98 %
Desiccate at -20°C

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.

Certificate of Analysis / Safety Data Sheet

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Marinelli et al (2002) Capsaicin activation of glutamatergic synaptic transmission in the rat locus coeruleus in vitro. J.Physiol. 543 531. PMID: 12205187.

Seabrook et al (2001) Properties of iodo-resiniferatoxin - a high affinity VR1 vanilloid receptor antagonist. Soc.Neurosci.Abstr. 925.9.

Wahl et al (2001) Iodo-resiniferatoxin, a new potent vanilloid receptor antagonist. Mol.Pharmacol. 59 9. PMID: 11125018.

If you know of a relevant reference for this product please let us know.

Citations are publications that use Tocris products. Selected citations for 5'-Iodoresiniferatoxin include:

Woolcott et al (2015) High-fat diet-induced insulin resistance does not increase plasma anandamide levels or potentiate anandamide insulinotropic effect in isolated canine islets. J Neurosci Res 10 e0123558. PMID: 25855974.

Vigna (2014) 5-Aminosalicylic Acid Inhibits Acute Clostridium difficile Toxin A-Induced Colitis in Rats. PLoS One 2014 389621. PMID: 25045574.

Gao et al (2012) Transient receptor potential vanilloid type 1-dependent regulation of liver-related neurons in the paraventricular nucleus of the hypothalamus diminished in the type 1 diabetic mouse. Pain 61 1381. PMID: 22492526.

Ruparel et al (2012) Plasticity of cytochrome P450 isozyme expression in rat trigeminal ganglia neurons during inflammation. J Neurosci 153 2031. PMID: 22633978.

Zsombok et al (2011) Functional plasticity of central TRPV1 receptors in brainstem dorsal vagal complex circuits of streptozotocin-treated hyperglycemic mice. PLoS One 31 14024. PMID: 21957263.

Xu et al (2009) Increases in transient receptor potential vanilloid-1 mRNA and protein in primary afferent neurons stimulated by protein kinase C and their possible role in neurogenic inflammation. Int J Inflam 87 482. PMID: 18752301.

Derbenev et al (2006) Vanilloid-mediated heterosynaptic facilitation of inhibitory synaptic input to neurons of the rat dorsal motor nucleus of the vagus. J Neurosci 26 9666. PMID: 16988037.

Gavva et al (2005) AMG 9810 [(E)-3-(4-t-butylphenyl)-N-(2,3-dihydrobenzo[b][1,4] dioxin-6-yl)acrylamide], a novel vanilloid receptor 1 (TRPV1) antagonist with antihyperalgesic properties. J Pharmacol Exp Ther 313 474. PMID: 15615864.

Price et al (2004) Cannabinoid receptor-independent actions of the aminoalkylindole WIN 55,212-2 on trigeminal sensory neurons. Br J Pharmacol 142 257. PMID: 15155534.

Do you know of a great paper that uses 5'-Iodoresiniferatoxin from Tocris? If so please let us know.show all ▼show less ▲

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Keywords: 5'-Iodoresiniferatoxin, supplier, Potent, silent, TRPV1, antagonists, Vanillioid, Receptors, VR1, Channels, Transient, Receptor, Potential, 5-Iodoresiniferatoxin, 5-IRTX, Tocris Bioscience, TRPV Antagonist products

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