U 73343
Chemical Name: 1-[6-[[(17β)-3-Methoxyestra-1,3,5(10)-trien-17-yl]amino]hexyl]-2,5-pyrrolidinedione
Purity: ≥98%
Biological Activity
U 73343 is an analog of U 73122; can be used as a negative control. Inhibits Panx1 currents in HEK cells. Also inhibits vasopressin- and GTPγS-induced Ca2+ influx in hepatocytes.Active Analog also available.
Technical Data
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.
Additional Information
Background References
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The Complement System Component C5a Produces Thermal Hyperalgesia via Macrophage-to-Nociceptor Signaling That Requires NGF and TRPV1
J Neurosci, 2016;36(18):5055-70. -
Platelet Ca(2+) responses coupled to glycoprotein VI and Toll-like receptors persist in the presence of endothelial-derived inhibitors: roles for secondary activation of P2X1 receptors and release from intracellular Ca(2+) stores.
Fung CY, Jones S, Ntrakwah A, Naseem KM, Farndale RW, Mahaut-Smith MP
Blood, 2012;119(15):3613-21. -
The calcium-sensing receptor regulates the NLRP3 inflammasome through Ca2+ and cAMP.
Lee G, Subramanian N, Kim A, Aksentijevich I, Goldbach-Mansky R, Sacks D, Germain R, Kastner D, Chae J
Nature, 2012;492(7427):123-7. -
IP3 Receptors Preferentially Associate with ER-Lysosome Contact Sites and Selectively Deliver Ca2+ to Lysosomes
P Atakpa, NB Thillaiapp, S Mataragka, DL Prole, CW Taylor
Cell Rep, 2018;25(11):3180-3193.e7. -
Evidence obtained using single hepatocytes for inhibition by the phospholipase C inhibitor U73122 of store-operated Ca2+ inflow.
Berven and Barritt
Biochem.Pharmacol., 1995;49:1373 -
The putative phospholipase C inhibitor U73122 and its negative control, U73343, elicit unexpected effects on the rabbit parietal cell.
Muto et al.
J.Pharmacol.Exp.Ther., 1997;282:1379 -
Activation of P2X7 receptors induces CCL3 production in microglial cells through transcription factor NFAT.
Kataoka et al.
J.Neurochem., 2009;108:115 -
Pharmacological characterization of pannexin-1 currents expressed in mammalian cells.
Ma et al.
J.Pharmacol.Exp.Ther., 2009;328:409
Product Datasheets
Citations for U 73343
The citations listed below are publications that use Tocris products. Selected citations for U 73343 include:
20 Citations: Showing 1 - 10
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Oxytocin excites dorsal raphe serotonin neurons and bidirectionally gates their glutamate synapses.
Authors: Samir Et al.
iScience 2023;26:106707
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Regulation of Focal Adhesion Dynamics and Cell Migration by PLC/PI3K-Mediated Metabolism of PtdIns (4,5) P2 in a Breast Cancer Cell Line.
Authors: Dhurgham Et al.
Rep Biochem Mol Biol 2022;11:270-281
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Purinergic signaling in cochlear supporting cells reduces hair cell excitability by increasing the extracellular space.
Authors: Babola Et al.
ELife 2020;9:e52160
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Novel metabolic role for BDNF in pancreatic β-cell insulin secretion.
Authors: Lino Et al.
Nat Commun 2020;11:1950
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A glucose-sensing neuron pair regulates insulin and glucagon in Drosophila.
Authors: Thomas A Et al.
Nature 2019;574:559-564
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Hyperactivity with Disrupted Attention by Activation of an Astrocyte Synaptogenic Cue.
Authors: Giovanni Et al.
Cell 2019;177:1280-1292.e20
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IP3 Receptors Preferentially Associate with ER-Lysosome Contact Sites and Selectively Deliver Ca2+ to Lysosomes.
Authors: Atakpa Et al.
Cell Rep 2018;25:3180
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A Mechanism Coupling Systemic Energy Sensing to Adipokine Secretion.
Authors: Rajan Et al.
Dev Cell 2017;43:83
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Dust particles-induced intracellular Ca2+ signaling and reactive oxygen species in lung fibroblast cell line MRC5.
Authors: Jeong Hee Et al.
Korean J Physiol Pharmacol 2017;21:327-334
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Detachment of surface membrane invagination systems by cationic amphiphilic drugs.
Authors: Osman Et al.
PLoS One 2016;6:18536
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Sex Differences in Molecular Signaling at Inhibitory Synapses in the Hippocampus.
Authors: Tabatadze Et al.
J Neurosci 2015;35:11252
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The Effect of Therapeutic Blockades of Dust Particles-Induced Ca2+ Signaling and Proinflammatory Cytokine IL-8 in Human Bronchial Epithelial Cells.
Authors: Yoon Et al.
Sci Rep 2015;2015:843024
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Pharmacological Characterization of 5-HT1A Autoreceptor-Coupled GIRK Channels in Rat Dorsal Raphe 5-HT Neurons.
Authors: Montalbano Et al.
PLoS One 2015;10:e0140369
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DA Promotes Motor Cortex Plasticity and Motor Skill Learning via PLC Activation.
Authors: Rioult-Pedotti Et al.
J Cereb Blood Flow Metab 2015;10:e0124986
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mGluR1-mediated excitation of cerebellar GABAergic interneurons requires both G protein-dependent and Src-ERK1/2-dependent signaling pathways.
Authors: Kubota Et al.
PLoS One 2014;9:e106316
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Lysophosphatidic acid induces vasodilation mediated by LPA1 receptors, phospholipase C, and endothelial nitric oxide synthase.
Authors: Ruisanchez Et al.
FASEB J 2014;28:880
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A dynamic set point for thermal adaptation requires phospholipase C-mediated regulation of TRPM8 in vivo.
Authors: Brenner Et al.
Pain 2014;155:2124
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BDNF-endocannabinoid interactions at neocortical inhibitory synapses require phospholipase C signaling.
Authors: Zhao
J Neurophysiol 2014;111:1008
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The calcium-sensing receptor regulates the NLRP3 inflammasome through Ca2+ and cAMP.
Authors: Lee Et al.
Nature 2012;492:123
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Phosphatidylinositol (4,5)-bisphosphate regulation of N-methyl-D-aspartate receptor channels in cortical neurons.
Authors: Zhen Et al.
Mol Pharmacol 2009;76:1349-59
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