PF-670462 |
| Catalog No.GC10556 |
An inhibitor of the CK1 isoforms CK1ε and CK1δ
Products are for research use only. Not for human use. We do not sell to patients.
Cas No.: 950912-80-8
Sample solution is provided at 25 µL, 10mM.
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PF-670462 is a potent and selective inhibitor of CK1ε and CK1δ with IC50 value of 80 nM and 13 nM, respectively [1].
CK1ε and CK1δ belong to the casein kinase 1 family which is serine/threonine-selective enzyme and plays an important role in regulating circadian rhythm [1].
In COS-7 cells cotransfected with GFP-tagged PER3 and the human CK1ε enzyme, PF-670462 inhibited PER3 nuclear translocation in a concentration-dependent way [2]. In primary lung fibroblast cells obtained from WT mice, PF-670462 significantly lengthened the circadian period in a dose-dependent way. And with a dose of 1 μM, the period in WT fibroblast cells extended to 33 h [3].
In WT, Ck1ε−/− and Ck1εtau mice, PF-670462 (10 mg/kg/d) significantly lengthened the period of activity rhythms in all three genotypes (WT: 0.44 h, Ck1εtau: 0.39 h, Ck1ε−/−: 0.42 h). In WT mice, the activity onset occurred 10.4 h after 24 d of treatment. Also, PF-670462 caused identical period lengthening in WT and Ck1ε−/− mice, which suggested that the effect of CK1δ on the circadian period [3].
References:
[1]. Walton KM, Fisher K, Rubitski D, et al. Selective inhibition of casein kinase 1 epsilon minimally alters circadian clock period. J Pharmacol Exp Ther, 2009, 330(2): 430-439.
[2]. Badura L, Swanson T, Adamowicz W, et al. An inhibitor of casein kinase I epsilon induces phase delays in circadian rhythms under free-running and entrained conditions. J Pharmacol Exp Ther, 2007, 322(2): 730-738.
[3]. Meng QJ, Maywood ES, Bechtold DA, et al. Entrainment of disrupted circadian behavior through inhibition of casein kinase 1 (CK1) enzymes. Proc Natl Acad Sci U S A, 2010, 107(34): 15240-15245.
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