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Submit ReviewTRAM 34
Description: Potent and highly selective KCa3.1 (IK) channel blocker
Chemical Name: 1-[(2-Chlorophenyl)diphenylmethyl]-1H-pyrazole
Purity: ≥99% (HPLC)
Biological Activity for TRAM 34
TRAM 34 is a potent and highly selective blocker of intermediate conductance Ca2+-activated K+ channels (KCa3.1) (Kd = 20 nM). Exhibits 200-1500-fold selectivity over KV, BKCa, KCa2, Na+, CRAC and Cl- channels. Suppresses the reactivation of lymphocytes by mitogenic stimuli.
Technical Data for TRAM 34
| M. Wt | 344.84 |
| Formula | C22H17ClN2 |
| Storage | Store at +4°C |
| Purity | ≥99% (HPLC) |
| CAS Number | 289905-88-0 |
| PubChem ID | 656734 |
| InChI Key | KBFUQFVFYYBHBT-UHFFFAOYSA-N |
| Smiles | ClC(C=CC=C4)=C4C(N2C=CC=N2)(C3=CC=CC=C3)C1=CC=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.
Solubility Data for TRAM 34
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| DMSO | 3.45 | 10 with gentle warming |
Preparing Stock Solutions for TRAM 34
The following data is based on the product molecular weight 344.84. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|---|---|---|
| 0.1 mM | 29 mL | 144.99 mL | 289.99 mL |
| 0.5 mM | 5.8 mL | 29 mL | 58 mL |
| 1 mM | 2.9 mL | 14.5 mL | 29 mL |
| 5 mM | 0.58 mL | 2.9 mL | 5.8 mL |
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Product Datasheets for TRAM 34
References for TRAM 34
References are publications that support the biological activity of the product.
Schilling and Eder (2007) TRAM-34 inhibits nonselective cation channels. Pflugers Arch. 454 559 PMID: 17318643
Wang et al (2007) An intermediate-conductance Ca2+-activated K+ channel mediates B lymphoma cell cycle progression induced by serum. Pflugers Arch. 454 945 PMID: 17429684
Wulff et al (2000) Design of a potent and selective inhibitor of the intermediate-conductance Ca2+-activated K+ channel, IKCa1: a potential immunosuppressant. Proc.Natl.Acad.Sci. USA 97 8151
If you know of a relevant reference for TRAM 34, please let us know.
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Keywords: TRAM 34, TRAM 34 supplier, selective, IKCa1, channel, blockers, Potassium, KCa, Channels, ca2+-activated, ca2+-dependent, K+, TRAM34, KCa3.1, Ca2+-Activated, 2946, Tocris Bioscience
10 Citations for TRAM 34
Citations are publications that use Tocris products. Selected citations for TRAM 34 include:
Kanthesh et al (2013) Enhanced K(+) secretion in dextran sulfate-induced colitis reflects upregulation of large conductance apical K(+) channels (BK; Kcnma1). Am J Physiol Cell Physiol 305 C972 PMID: 23986198
Zemkova et al (2011) NE causes a biphasic change in mammalian pinealocye membrane potential: role of alpha1B-adrenoreceptors, phospholipase C, and Ca2+. Endocrinology 152 3842 PMID: 21828176
Yu (2017) Functional cooperation between KCa3.1 and TRPV4 channels in bronchial smooth muscle cell proliferation associated with chronic asthma. Front. Pharmacol 8 559 PMID: 28970794
Chan and Cipolla (2011) Relaxin causes selective outward remodeling of brain parenchymal arterioles via activation of peroxisome proliferator-activated receptor-γ. JCI Insight 25 3229 PMID: 21602449
Chien and Su (2015) 5-hydroxytryptamine has an endothelium-derived hyperpolarizing factor-like effect on coronary flow in isolated rat hearts. PLoS One 22 42 PMID: 26076928
Agarwal et al (2013) TRAM-34, a putatively selective blocker of intermediate-conductance, calcium-activated potassium channels, inhibits cytochrome P450 activity. FASEB J 8 e63028 PMID: 23667566
Engbers et al (2012) Intermediate conductance calcium-activated potassium channels modulate summation of parallel fiber input in cerebellar Purkinje cells. Elife 109 2601 PMID: 22308379
Benton et al (2013) Iberiotoxin-sensitive and -insensitive BK currents in Purkinje neuron somata. J Neurophysiol 109 2528 PMID: 23446695
Cahalan et al (2015) Piezo1 links mechanical forces to red blood cell volume. J Biomed Sci 4 PMID: 26001274
Mazzuca et al (2015) Estrogen receptor subtypes mediate distinct microvascular dilation and reduction in [Ca2+]I in mesenteric microvessels of female rat. J Pharmacol Exp Ther 352 291 PMID: 25472954
Do you know of a great paper that uses TRAM 34 from Tocris? Please let us know.
Reviews for TRAM 34
Average Rating: 4 (Based on 1 Review.)
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TRAM 34 worked ideally as a channel blocker on different cell lines.
By
Sadequl Islam on 10/13/2018
Assay Type: In Vitro
Species: Human
Product used for understanding blocking mechanism of calcium activated potassium channel. Product must be dissolved in DMSO, on mild heat. Shows great potential for research in KCa channel studies.
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