Discontinued Product

9-Phenanthrol (Cat. No. 4999) has been withdrawn from sale for commercial reasons.
Description: Selective TRPM4 blocker
Chemical Name: 9-Hydroxyphenanthrene
Citations (4)

Biological Activity for 9-Phenanthrol

9-Phenanthrol is a selective TRPM4 blocker (IC50 = 20 μM in HEK293 cells). Exhibits no effect on CFTR or TRPM5 (at 0.25 and 1 mM respectively). Abolishes arrhythmias induced by hypoxia in a mouse heart model.

Technical Data for 9-Phenanthrol

M. Wt 194.23
Formula C14H10O
Storage Store at +4°C
CAS Number 484-17-3
PubChem ID 10229
Smiles OC2=CC1=C(C3=C2C=CC=C3)C=CC=C1

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

Tocris products are intended for laboratory research use only, unless stated otherwise.

Product Datasheets for 9-Phenanthrol

Certificate of Analysis / Product Datasheet
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References for 9-Phenanthrol

References are publications that support the biological activity of the product.

Simard et al (2012) Transient receptor potential melastatin 4 inhibitor 9-phenanthrol abolishes arrhythmias induced by hypoxia and re-oxygenation in mouse ventricle. Br.J.Pharmacol. 165 2354 PMID: 22014185

Grand et al (2008) 9-phenanthrol inhibits human TRPM4 but not TRPM5 cationic channels. Br.J.Pharmacol. 153 1697 PMID: 18297105

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Keywords: 9-Phenanthrol, 9-Phenanthrol supplier, Transient, receptor, potential, TRPM4, blockers, TRP, channels, arrhythmias, cardiac, heart, anti-arrhythmic, depolarisations, TRPM, 4999, Tocris Bioscience

4 Citations for 9-Phenanthrol

Citations are publications that use Tocris products. Selected citations for 9-Phenanthrol include:

O'Malley et al (2020) TRPM4 Conductances in Thalamic Reticular Nucleus Neurons Generate Persistent Firing during Slow Oscillations. J Neurosci 40 4813 PMID: 32414784

Douglas A et al (2021) TRPM4 mediates a subthreshold membrane potential oscillation in respiratory chemoreceptor neurons that drives pacemaker firing and breathing. Cell Rep 34 108714 PMID: 33535052

Virginie et al (2021) Trpm5 channels encode bistability of spinal motoneurons and ensure motor control of hindlimbs in mice. Nat Commun 12 6815 PMID: 34819493

Lin et al (2017) Differential Contribution of Ca2+-Dependent Mechanisms to Hyperexcitability in Layer V Neurons of the Medial Entorhinal Cortex. Front Cell Neurosci 11 182 PMID: 28713246

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