Cat. No. 2946
Chemical Name: 1-[(2-Chlorophenyl)diphenylmethyl]-
Biological ActivityPotent 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.
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 / Product Datasheet / Safety Data Sheet
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.
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Citations are publications that use Tocris products. Selected citations for TRAM 34 include:
Cahalan et al (2015) Piezo1 links mechanical forces to red blood cell volume. J Biomed Sci 4. PMID: 26001274.
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.
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.
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.
Benton et al (2013) Iberiotoxin-sensitive and -insensitive BK currents in Purkinje neuron somata. J Neurophysiol 109 2528. PMID: 23446695.
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.
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.
Zemkova et al (2011) Norepinephrine causes a biphasic change in mammalian pinealocye membrane potential: role of alpha1B-adrenoreceptors, phospholipase C, and Ca2+. Endocrinology 152 3842. PMID: 21828176.
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Keywords: TRAM 34, supplier, selective, IKCa1, channel, blockers, Potassium, KCa, Channels, ca2+-activated, ca2+-dependent, K+, TRAM34, KCa3.1, Tocris Bioscience, Calcium-Activated Potassium (KCa) Channel Blocker products