| Identification | Back Directory | [Name]
5,6,7,8-Tetrahydro-2-(4-methylphenyl)-imidazo[2,1-b]benzothiazolehydrobromide | [CAS]
511296-88-1 | [Synonyms]
PFT-β
CS-1771
HY-16702A
Pifithrin B
Pifithrin-β
Cyclic PFT-α
Cyclic PFT-α
Pifithrin-beta
Cyclic Pifithrin-α
Pifithrin-α, cyclic
PFT β (hydrobromide)
Pifithrin-β HBr (QB102
Cyclic Pifithrin-α HBr
Pifithrin-β hydrobromide
Cyclic PFT-α hydrobromide
Pifithrin- beta hydrobromide
Cyclic Pifithrin-α hydrobromide
Cyclic Pifithrin-α Hydrobromide
Pifithrin-α, Cyclic, hydrobromide
Cyclic Pifithrin-alpha HydrobroMide
Cyclic Pifithrin-α Hydrobromide >
PIFITHRIN-Β;PIFITHRIN B;CYCLIC PFT-Α; PIFITHRIN-Β; PFT-Β
2-(p-Tolyl)-5,6,7,8-tetrahydroimidazo[2,1-b]benzothiazole Hydrobromide
2-(p-Tolyl)-5,6,7,8-tetrahydrobenzo[d]imidazo[2,1-b]thiazole hydrobromide
CYCLIC PIFITHRIN-Α HYDROBROMIDE;CYCLIC PFT-Α HYDROBROMIDE;PFT-Β HYDROBROMIDE
5,6,7,8-Tetrahydro-2-(4-methylphenyl)-imidazo[2,1-b]benzothiazolehydrobromide
2-(4-Methylphenyl)imidazo[2,1-b]-5,6,7,8-tetrahydrobenzothiazole hydrobromide
5,6,7,8-Tetrahydro-2-(4-methylphenyl)-imidazo[2,1-b]benzothiazolehydrobromide Pifithrin-β | [Molecular Formula]
C16H16N2S.HBr | [MDL Number]
MFCD02683960 | [MOL File]
511296-88-1.mol | [Molecular Weight]
349 |
| Chemical Properties | Back Directory | [storage temp. ]
Desiccate at RT | [solubility ]
DMSO: soluble20mg/mL | [form ]
powder to crystal | [color ]
White to Almost white | [Merck ]
14,7421 | [InChI]
InChI=1S/C16H16N2S.BrH/c1-11-6-8-12(9-7-11)13-10-18-14-4-2-3-5-15(14)19-16(18)17-13;/h6-10H,2-5H2,1H3;1H | [InChIKey]
SGNCOAOESGSEOP-UHFFFAOYSA-N | [SMILES]
S1C2CCCCC=2N2C=C(C3=CC=C(C)C=C3)N=C12.[H]Br |
| Hazard Information | Back Directory | [Description]
Pifithrin-α (PFT-α; ) is a reversible inhibitor of p53-dependent transcription and apoptosis. Cyclic PFT-α, also known as PFT-β, is a stable analog of PFT-α, formed by the condensation of pifithrin-α in solution. It inhibits the growth of the cancer cell lines IGROV-1, A2780, and HCT116 (IC50 = 23, 77, and 103 μM, respectively). At doses lower than those that inhibit growth, cyclic PFT-α induces autophagy in HCT116 cells and sensitizes IGROV-1 and H460 cells to anti-microtubule agents. In addition, 10 μM cyclic PFT-α blocks p53-dependent protection from DNA damage, induced by hydrogen peroxide or ultraviolet radiation, in melanocytes. | [Uses]
Cyclic Pifithrin-α hydrobromide has been used as p53 inhibitor to study its role in cigarette smoke?induced apoptosis of pulmonary endothelial cells. | [Biochem/physiol Actions]
A stable analog of Pifithrin-α (Product Code P4359) with similar biological activities and lower cellular toxicity. | [in vitro]
pifithrin-α blocks p53-dependent transactivation of p53-responsive genes in cona cells. pifithrin-α (10 μm) inhibits apoptotic death of c8 cells guided by etoposide, taxol, dox, cytosine arabinoside. pifithrin-α has significant effect on the inhibition of p53-dependent growth arrest of human diploid fibroblasts in response to dna damage but not on p53-deficient fibroblasts. pifithrin-α may monitor the nuclear import or export (or both) of p53 or may make nuclear p53 instability [2]. | [in vivo]
pifithrin-α-mice (2.2 mg/kg i.p.) were completely survival with both strains from 60% killing doses of gamma irradiation (8 gy for c57bl and 6 gy for balb/c). mice pretreated with pfithrin-α lost less weight than irradiated mice without the pifithrin-α. pifithrin-α (2.2 mg/kg) eliminates p53-dependent regulation of dna replication after whole-body gamma irradiation in mice [2]. | [storage]
Desiccate at RT | [References]
[1] komarova ea and gudkov a v. could p53 be a target for therapeutic suppression semin. cancer biol. 1998, 8: 389-400.
[2] komarov pg, komarova ea, kondratov rv, christov-tselkov k, coon js, chernov mv, gudkov av. a chemical inhibitor of p53 that protects mice from the side effects of cancer therapy. science. 1999 sep 10; 285(5434):1733-7. |
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