| A 967079Selective TRPA1 channel blocker |
Sample solution is provided at 25 µL, 10mM.
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| Cas No. | 1170613-55-4 | SDF | Download SDF |
| Synonyms | N/A | ||
| Chemical Name | (1Z,3E)-1-(4-fluorophenyl)-2-methylpent-1-en-3-one oxime | ||
| Canonical SMILES | FC1=CC=C(C=C1)/C=C(C)C(CC)=NO | ||
| Formula | C12H14FNO | M.Wt | 207.24 |
| Solubility | Soluble in DMSO | Storage | Store at -20°C |
| Physical Appearance | A crystalline solid | Shipping Condition | Evaluation sample solution : ship with blue ice.All other available size:ship with RT , or blue ice upon request |
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. | ||
A-967079 is an antagonist of transient receptor potential A1 (TRPA1) receptor with IC50 values of 289 nM and 67 nM at rat and human TRPA1 receptors, respectively [1].
There is a larger family of transient receptor potential (TRP) ion channels. In this family, there are TRPV, TRPM, TRPC, TRPN, TRPP and TRPML. TRPA1 is a part of this family and is expressed in small and medium-sized peptidergic primary afferent sensory neurons that also express TRPV1 [1].
Treatment with A-967079 attenuated Ca2+ signal in WT TG neurons and resulted in a further reduction in Trpv4-/- TG neurons in response to formalin. Treatment with A-967079 reduced the percentage of responsive cells from 27.7% to 15.8% when acutely blocking TRPA1 and to a mere 3.2% in Trpv4-/- TG neurons plus TRPA1 inhibitor [2].
Spontaneous activity of WDR neurons can indicate central sensitization and possibly non-evoked or ongoing pain. In uninjured and CFA-inflamed rats, systemic injection of A-967079 at 30 μmol/kg, i.v. made responses of wide dynamic range (WDR) and nociceptive specific (NS) neurons decrease, following noxious pinch stimulation of the ipsilateral hind paw. Similarly in both OA and OA-sham rats, A-967079 decreased the responses of WDR neurons to high-intensity mechanical stimulation of the knee joint. Administration with A-967079 also reduced WDR neuronal responses to low-intensity mechanical stimulation (10 g von Frey hair) in CFA-inflamed rats, but not in uninjured rats. Additionally, A-967079 injection decreased the spontaneous activity of WDR neurons in CFA-inflamed rats, but not in uninjured, OA, and OA-sham animals [1].
References: [1]. McGaraughty S, Chu KL, Perner RJ, et al. TRPA1 modulation of spontaneous and mechanically evoked firing of spinal neurons in uninjured, osteoarthritic, and inflamed rats. Molecular pain, 2010, 6(1): 1.[2]. Chen Y, Kanju P, Fang Q, et al. TRPV4 is necessary for trigeminal irritant pain and functions as a cellular formalin receptor. PAIN, 2014, 155(12): 2662-2672.
