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Key Documents

5.32813

Sigma-Aldrich

UC2288

≥98% (HPLC), solid, p21 inhibitor, Calbiochem®

Sinônimo(s):

p21 Inhibitor, UC2288, 1-(4-Chloro-3-(trifluoromethyl)phenyl)-3-((1r,4r)-4-(5-(trifluoromethyl)pyridin-2-yloxy)cyclohexyl)urea, trans-1-(4-Chloro-3-trifluoromethyl-phenyl)-3-(4-hydroxy-cyclohexyl)-urea, p21/Cip1/CKI/Waf1 Inhibitor, t-CTTU; UC-2288

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About This Item

Fórmula empírica (Notação de Hill):
C20H18ClF6N3O2
Número CAS:
Peso molecular:
481.82
Número MDL:
Código UNSPSC:
12352200
NACRES:
NA.77

product name

p21 Inhibitor, UC2288,

Ensaio

≥98% (HPLC)

Nível de qualidade

forma

solid

fabricante/nome comercial

Calbiochem®

condição de armazenamento

OK to freeze
protect from light

cor

white

solubilidade

DMSO: 50 mg/mL

temperatura de armazenamento

2-8°C

cadeia de caracteres SMILES

O=C(N[C@@H]1CC[C@@H](OC2=CC=C(C=N2)C(F)(F)F)CC1)NC3=CC(C(F)(F)F)=C(Cl)C=C3

Descrição geral

A cell-permeable compound that selectively downregulates the expression of p21 (~10 µM), independent of p53.expression, at either transcription or post-transcriptional level.
A cell-permeable phenylcyclohexyl-urea compound that downregulates cellular p21/Cip1/CKI/Waf1 protein level (by >95% in HCT116 cells after 24 h UC2288 treatment at 2.5 µM), presumably by means of a yet undetermined transcriptional or post-transcriptional regulation without affecting p21 cellular half-life or inhibiting the kinase activities of C-raf, B-rafV600E, or VEGFR2 (IC50 >10 µM). Dual telomerase and p21, but not p16 or p27 (gene = CDKN1A, CDKN2A, CDKN1B, respectively), knockdown/inhibition is demonstrated to effectively kill cancer cells both in vitro (% viability inhibition/% Annexin V+ cells induction = 20%/2% or 77%/55%, respectively, following telomerase inhibition by Imetelstat with or without 2.5 µM UC2288 for 24 h in HCT116 colon cancer cultures) and in mice in vivo (% tumor expansion suppression by UC2288 alone/Imetelstat alone/combined treatment = 13%/42%/90%/HCT116 and 4%/23%/92%/ACHN; 30 mg Imetelstat/kg via i.p. and/or 15 mg UC2288/kg via p.o. 3X/wk for 3 wk) by inducing p53- and E2F1-dependent PUMA expression, while p21 overexpression, p53 inactivation by mutation, shRNA-mediated E2F1 or PUMA downregulation abolishes such synergized cell killing. Likewise, reactivating mutant p53 activitiy by CP-31398 (Cat. No. 506166) treatment is reported to resensitize DLD1 (p53 S241F) and A375.S2 (p53 R273H & P309S) to p21 shRNA- & Imetelstat-induced apoptotic cell death and tumor growth inhibition.
A cell-permeable, orally available, phenylcyclohexyl-urea based compound that selectively downregulates the expression of p21 (~10 µM), independent of p53 expression, at either transcription or post-transcriptional level. However, it does not affect the stability of p21. Also, it has no significant effect on the activities of Raf kinases, VEGFR2 kinase, or the phosphorylation state of ERK. Effectively blocks the growth of multiple cancer cell lines (GI50 ~ 10 µM against NCI60 cell lines). Its greater inhibitory effect on cytosolic p21 is indicative of its ability to induce apoptotic cell death in 786-O cells. Synergistically suppresses the growth of HCT116 and ACHN cells in athymic nude mice when combined with imetelstat, a telomerase inhibitor (15 mg/kg of UC2288, p.o., & 30 mg/kg of imetelstat, i.p., 3 times per week).

Please note that the molecular weight for this compound is batch-specific due to variable water content.

Ações bioquímicas/fisiológicas

Cell permeable: yes

Advertência

Toxicity: Standard Handling (A)

Reconstituição

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 6 months at -20°C.
Use only fresh DMSO for reconstitution.

Outras notas

Gupta, R., et al. 2014. Proc. Natl. Acad. Sci. USA111, E3062.
Wettersten, H.I., et al. 2013. Cancer Biol. Ther.14, 278.

Informações legais

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


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