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HomeProduct name listSKI II

SKI II

SKI II Structural

What is SKI II?

The Uses of SKI II

SKI II is a nonlipid inhibitor of sphingosine kinase. SKI II s orally bioavailable and has shown significant inhibition of tumor growth in mice.

What are the applications of Application

SKI II is a non-lipid inhibitor of sphingosine kinase

Definition

ChEBI: 4-[[4-(4-chlorophenyl)-2-thiazolyl]amino]phenol is a substituted aniline.

Biological Activity

Selective non-lipid inhibitor of sphingosine kinase (IC 50 = 0.5 μ M); does not act at ATP-binding site. Displays no inhibition of ERK2, PI 3-kinase, or PKC α at concentrations up to 60 μ M. Reduces levels of sphingosine-1-phosphate in MDA-MB-231 breast cancer cells. Induces apoptosis and inhibits proliferation in several other tumor cell lines in vitro (IC 50 = 0.9-4.6 μ M).

Biochem/physiol Actions

Sphingosine kinase (SK) plays a pivotal role in regulating tumor growth and SK can act as an oncogene. Expression of SK RNA is significantly elevated in a variety of solid tumors, compared with normal tissue from the same patient. A number of novel inhibitors of human SK were identified, and several representative compounds were characterized in detail. These compounds demonstrated activity at sub- to micromolar concentrations, making them more potent than any other reported SK inhibitor, and were selective toward SK compared with a panel of human lipid and protein kinases. Kinetic studies revealed that the compounds were not competitive inhibitors of the ATP-binding site of SK. 4-[4-(4-chloro-phenyl)-thiazol-2-ylamino]-phenol (SKI-II) inhibitor is orally bioavailable, detected in the blood for at least 8 h, and showed a significant inhibition of tumor growth in mice with IC50 = 0.5 μM; SKI II does not act at ATP-binding site. Displays no inhibition of ERK2, PI 3-kinase, or PKCa at concentrations up to 60 μM.SKI II induces apoptosis and inhibits proliferation in several other tumor cell lines in vitro (IC50 = 0.9-4.6 μM).

storage

Store at -20°C

References

[1] french kj, schrecengost rs, lee bd, zhuang y, smith sn, eberly jl, yun jk, smith cd. discovery and evaluation of inhibitors of human sphingosine kinase. cancer res. 2003 sep 15;63(18):5962-9.

Properties of SKI II

Boiling point: 507.1±60.0 °C(Predicted)
Density  1.415±0.06 g/cm3(Predicted)
RTECS  SK5900000
storage temp.  2-8°C
solubility  DMSO: ≥20 mg/mL
pka 10.17±0.26(Predicted)
form  solid
color  off-white
Sensitive  Air & Light Sensitive
CAS DataBase Reference 312636-16-1

Safety information for SKI II

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
Precautionary Statement Codes P280:Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for SKI II

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