Synonym
PF-5274857 HCl; PF-5274857 hydrochloride; PF5274857 hydrochloride; PF 5274857 hydrochloride; PF5274857 HCl; PF 5274857 HCl;
IUPAC/Chemical Name
1-[4-(5'-Chloro-3,5-dimethyl-[2,4']bipyridinyl-2'-yl)-piperazin-1-yl]-3-methanesulfonyl-propan-1-one hydrochloride
InChi Key
GULNFUQAVPTTQV-UHFFFAOYSA-N
InChi Code
InChI=1S/C20H25ClN4O3S.ClH/c1-14-10-15(2)20(23-12-14)16-11-18(22-13-17(16)21)24-5-7-25(8-6-24)19(26)4-9-29(3,27)28;/h10-13H,4-9H2,1-3H3;1H
SMILES Code
O=C(N1CCN(C2=NC=C(Cl)C(C3=NC=C(C)C=C3C)=C2)CC1)CCS(=O)(C)=O.[H]Cl
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>3 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
Biological target:
PF-5274857 HCl is a potent and selective smoothened (Smo) receptor antagonist.
In vitro activity:
Pretreat Beas-2b cells with PF-5274857 for 2 h can prevent the CS-induced EMT for epithelial and mesenchymal markers, as well as migration capacity. Up regulated E-cadherin and down regulated vimentin and α-SMA were observed by Western blot. Furthermore Beas-2b cells induced by CS that underwent EMT showed increased E-cadherin and decreased vimentin and α-SMA after treatment with PF-5274857 for 4 d.
Reference: Sichuan Da Xue Xue Bao Yi Xue Ban. 2016 Jul;47(4):485-490. https://pubmed.ncbi.nlm.nih.gov/28591947/
In vivo activity:
This study observed that KLF12-overexpressing mice showed disturbed neural tube development. KLF12-overexpressing fetuses died in utero at approximately 10.5 days post-coitus, with 100% presenting cranial NTDs. PF-5274857, an antagonist of the Shh signaling pathway, significantly promoted dorsolateral hinge point formation and partially rescued the NTDs.
Reference: Biol Reprod. 2021 Oct 11;105(4):837-845. https://pubmed.ncbi.nlm.nih.gov/34104947/
Preparing Stock Solutions
The following data is based on the
product
molecular weight
473.41
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 |
| 1 mM |
1.15 mL |
5.76 mL |
11.51 mL |
| 5 mM |
0.23 mL |
1.15 mL |
2.3 mL |
| 10 mM |
0.12 mL |
0.58 mL |
1.15 mL |
| 50 mM |
0.02 mL |
0.12 mL |
0.23 mL |
Formulation protocol:
1. Zhou WJ, Chen J, Feng Y, Fan YP, Li Q, Fu J, Zhang P. [Inhibition of Cigarettes Smoke-induced Epithelial to Mesenchymal Transition by the SMO Inhibitor PF-5274857 in Beas-2b Epithelial Cells]. Sichuan Da Xue Xue Bao Yi Xue Ban. 2016 Jul;47(4):485-490. Chinese. PMID: 28591947.
2. Liu Y, Yuan Q, Wang Z, Ding L, Kong N, Liu J, Hu Y, Zhang Y, Li C, Yan G, Jiang Y, Sun H. A high level of KLF12 causes folic acid-resistant neural tube defects by activating the Shh signaling pathway in mice†. Biol Reprod. 2021 Oct 11;105(4):837-845. doi: 10.1093/biolre/ioab111. PMID: 34104947.
3. Rohner A, Spilker ME, Lam JL, Pascual B, Bartkowski D, Li QJ, Yang AH, Stevens G, Xu M, Wells PA, Planken S, Nair S, Sun S. Effective targeting of Hedgehog signaling in a medulloblastoma model with PF-5274857, a potent and selective Smoothened antagonist that penetrates the blood-brain barrier. Mol Cancer Ther. 2012 Jan;11(1):57-65. doi: 10.1158/1535-7163.MCT-11-0691. Epub 2011 Nov 14. PMID: 22084163.
In vitro protocol:
1. Zhou WJ, Chen J, Feng Y, Fan YP, Li Q, Fu J, Zhang P. [Inhibition of Cigarettes Smoke-induced Epithelial to Mesenchymal Transition by the SMO Inhibitor PF-5274857 in Beas-2b Epithelial Cells]. Sichuan Da Xue Xue Bao Yi Xue Ban. 2016 Jul;47(4):485-490. Chinese. PMID: 28591947.
In vivo protocol:
1. Liu Y, Yuan Q, Wang Z, Ding L, Kong N, Liu J, Hu Y, Zhang Y, Li C, Yan G, Jiang Y, Sun H. A high level of KLF12 causes folic acid-resistant neural tube defects by activating the Shh signaling pathway in mice†. Biol Reprod. 2021 Oct 11;105(4):837-845. doi: 10.1093/biolre/ioab111. PMID: 34104947.
2. Rohner A, Spilker ME, Lam JL, Pascual B, Bartkowski D, Li QJ, Yang AH, Stevens G, Xu M, Wells PA, Planken S, Nair S, Sun S. Effective targeting of Hedgehog signaling in a medulloblastoma model with PF-5274857, a potent and selective Smoothened antagonist that penetrates the blood-brain barrier. Mol Cancer Ther. 2012 Jan;11(1):57-65. doi: 10.1158/1535-7163.MCT-11-0691. Epub 2011 Nov 14. PMID: 22084163.
1: Zhou WJ, Chen J, Feng Y, Fan YP, Li Q, Fu J, Zhang P. [Inhibition of Cigarettes Smoke-induced Epithelial to Mesenchymal Transition by the SMO Inhibitor PF-5274857 in Beas-2b Epithelial Cells]. Sichuan Da Xue Xue Bao Yi Xue Ban. 2016 Jul;47(4):485-490. Chinese. PubMed PMID: 28591947.
2: Lauressergues E, Heusler P, Lestienne F, Troulier D, Rauly-Lestienne I, Tourette A, Ailhaud MC, Cathala C, Tardif S, Denais-Laliève D, Calmettes MT, Degryse AD, Dumoulin A, De Vries L, Cussac D. Pharmacological evaluation of a series of smoothened antagonists in signaling pathways and after topical application in a depilated mouse model. Pharmacol Res Perspect. 2016 Mar 4;4(2):e00214. doi: 10.1002/prp2.214. eCollection 2016 Apr. PubMed PMID: 27069629; PubMed Central PMCID: PMC4804317.
3: Rohner A, Spilker ME, Lam JL, Pascual B, Bartkowski D, Li QJ, Yang AH, Stevens G, Xu M, Wells PA, Planken S, Nair S, Sun S. Effective targeting of Hedgehog signaling in a medulloblastoma model with PF-5274857, a potent and selective Smoothened antagonist that penetrates the blood-brain barrier. Mol Cancer Ther. 2012 Jan;11(1):57-65. doi: 10.1158/1535-7163.MCT-11-0691. Epub 2011 Nov 14. PubMed PMID: 22084163.
