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HomeProduct name listMONASTROL

MONASTROL

Synonym(s):4-(3-Hydroxyphenyl)-6-methyl-2-thioxo-1,2,3,4-tetrahydro-4H-pyrimidin-5-carboxylic Acid Ethyl Ester, Eg5 Inhibitor I;Monastrol - CAS 254753-54-3 - Calbiochem

MONASTROL Structural

What is MONASTROL?

Description

Monastrol (254753-54-3) is a potent, cell-permeable, small molecule inhibitor of mitosis. Monastrol-arrested cells are characterized by monopolar spindles.1?Does not affect other motor proteins or tubulin. Specifically inhibits the mitotic molecular motor kinesin Eg5, a motor protein required for spindle formation (IC50?= 14 μM).2?Mimics the effect of amyloid β on long term potentiation in a cellular model of learning and memory.3?Enhances regeneration of adult axons.4

Chemical properties

Crystalline Solid

The Uses of MONASTROL

Monastrol has been used:

  • to treat MDA-MB-231 cells as a non-microtubule-targeting agent
  • as a antineoplastic agent, to treat mouse myeloma cell line SP 2/0, to induce apoptosis and to elucidate the role of metabotropic glutamate receptor 3 (Grm3) in apoptosis
  • as an inhibitor of pteridine reductase in GFP-transfected promastigotes infected macrophages for flow cytometer-based growth inhibition assay and to evaluate anti-leishmanial activity of Leishmania donovani hamster model in vivo

The Uses of MONASTROL

Inhibitor of mammalian cell mitosis.

The Uses of MONASTROL

A cell-permeablesmall molecule inhibitor of the mitotic kinesin, Eg5, arrests cells in mitosis with monoastral spindles

Definition

ChEBI: Monastrol is a racemate comprising equimolar amounts of R- and S-monastrol. It has a role as an antineoplastic agent, an EC 3.5.1.5 (urease) inhibitor, an antileishmanial agent and an antimitotic. It contains a (R)-monastrol and a (S)-monastrol.

What are the applications of Application

Monastrol is a kinesin Eg5 inhibitor which arrests cells in mitosis

Biological Activity

Potent, cell-permeable, small molecule mitosis inhibitor that does not interact with tubulin. Arrests cells in mitosis and specifically inhibits the motility of the mitotic kinesin Eg5, a motor protein required for mitotic spindle formation and maintenance (IC 50 = 14 μ M).

Biochem/physiol Actions

Monastrol is a potent, cell-permeant inhibitor of mitosis. Monastrol arrested cells are characterized by monopolar spindles. This phenotype is induced through specific disruption of mitotic molecular motor kinesin Eg5 with IC50 at 14 μM. No effect on other motor proteins and tubulin.

storage

Store at RT

References

1) Mayer?et al. (1999), Small molecule inhibitor of mitotic spindle bipolarity identified in a phenotype-based screen; Science,?286?971 2) Kapoor?et al.?(2000),?Probing spindle assembly mechanisms with monastrol, a small molecule inhibitor of mitotic kinesin, Eg5; J. Cell Biol.,?150?975 3) Ari?et al.?(2014),?Alzheimer amyloid beta inhibition of Eg5/kinesin 5 reduces neurotrophin and/or transmitter receptor function; Neurobiol. Aging,?35?1839 4) Lin?et al. (2011),?Inhibition of Kinesin-5, a microtubule-based motor protein, as a strategy for enhancing regeneration of adult axons; Traffic,?12?269

Properties of MONASTROL

Melting point: 185-185.9 °C(lit.)
Boiling point: 441.3±55.0 °C(Predicted)
Density  1.34±0.1 g/cm3(Predicted)
storage temp.  2-8°C
solubility  DMSO: 100 mg/mL
form  White solid
pka 9.63±0.10(Predicted)
color  white to off-white
Stability: Stable for 1 year from date of purchase as supplied. Solutions in DMSO or ethanol may be stored at -20°C for up to 1 month.
CAS DataBase Reference 254753-54-3(CAS DataBase Reference)

Safety information for MONASTROL

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
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 MONASTROL

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