RVX-208
RVX-208 Basic information
- Product Name:
- RVX-208
- Synonyms:
-
- 2-(4-(2-hydroxyethoxy)-3,5-diMethylphenyl)-5,7-diMethoxyquinazolin-4(3H)-one
- RVX-000222
- 4(3H)-Quinazolinone, 2-[4-(2-hydroxyethoxy)-3,5-dimethylphenyl]-5,7-dimethoxy-
- 2-[4-(2-hydroxyethoxy)-3,5-dimethylphenyl]-5,7-dimethoxy-4(3H)-quinazolinone RVX-208
- RVX-208
- Apabetalone
- Apabetalone-RVX-208
- RVX-208(RVX 000222)
- CAS:
- 1044870-39-4
- MF:
- C20H22N2O5
- MW:
- 370.4
- Product Categories:
-
- Inhibitors
- API
- Mol File:
- 1044870-39-4.mol
RVX-208 Chemical Properties
- Boiling point:
- 594.2±60.0 °C(Predicted)
- Density
- 1.28±0.1 g/cm3(Predicted)
- storage temp.
- -20°C (des.)
- solubility
- Soluble in DMSO (up to 75 mg/ml) or in Ethanol (up to 4 mg/ml).
- form
- solid
- pka
- 14.21±0.10(Predicted)
- color
- White
- Stability:
- Stable for 2 years from date of purchase as supplied. Solutions in DMSO or ethanol may be stored at -20° for up to 1 month.
RVX-208 Usage And Synthesis
Description
The bromodomain and extra terminal (BET) proteins interact with acetylated lysine-containing sequences on target proteins via their bromodomains, commonly altering gene transcription. The human BET proteins contain two bromodomains, the first (BD1) being closer to the N-terminus than the second (BD2). RVX-208 is a selective antagonist of BET bromodomains, binding with 10-100-fold higher affinity for BD2 (IC50 = 0.04-0.28 μM) over BD1 (IC50 = 1.8-3.1 μM). RVX-208 causes the selective release of BET proteins from chromatin in cells. It interferes with the BET protein BRD4, resulting in an increased expression of apolipoprotein (Apo) A1 in cells, mice, monkeys, and humans. RVX-208 also reduces atherosclerosis in hyperlipidemic ApoE-deficient mice.
Uses
RVX-208 is a selective antagonist of bromodomain and extra terminal (BET)’s bromodomains.
in vivo
In the atherosclerosis prophylactic treatment study design, mice are fed a Western diet concurrent with the treatment with 150 mg/kg/dose b.i.d. for 12 weeks. Mice are sacrificed at 12 weeks after treatment. There is a progressive increase in body weight in both the vehicle treated as well as the Apabetalone (RVX-208) treated groups. However, there is only an increase of 4 g (from 24 g to 28 g) body weight after 12 weeks on Western diet in the Apabetalone treated group whereas this increase is found to be 9 g (25 g-34 g) in the vehicle treated group. The significant decrease in body weight gain in Apabetalone treated mice is not due to decreased feed consumption, suggesting a positive attribute of the molecule. Plasma lipid measurements are done at 6 weeks and 12 weeks of treatment with either the vehicle or Apabetalone. Compared to the vehicle control animals, Apabetalone treated mice show significant increase (~200%) in the levels of HDL-C at 6 weeks of treatment, which is sustained until end of the study (12 weeks)[3].
target
BD2
Background
RVX-208 is a potent and selective inhibitor of bromodomain and extra terminal proteins, with a much stronger affinity for BD2 over BD1. BET proteins interact with acetylated lysine-containing sequences to transcriptionally regulate several cellular processes. BRD4, a BET protein that mediates induction of Apolipoprotein A-I mRNA, can be disrupted at the binding site by RVX-208. This leads to altered transcription, resulting in increased ApoA-I production and high-density lipoprotein cholesterol levels, both of which are promising in the treatment of atherosclerosis and vascular inflammation. Recently, BRD4 inhibition has shown anti-viral activity and increased host resistance to several DNA and RNA viruses in vitro and in vivo, making BRD4 disruptors important compounds to study in relation to viral diseases.
References
[1] SARAH PICAUD. RVX-208, an inhibitor of BET transcriptional regulators with selectivity for the second bromodomain.[J]. Proceedings of the National Academy of Sciences of the United States of America, 2013, 110 49: 19754-19759. DOI:10.1073/pnas.1310658110
[2] KEVIN G MCLURE. RVX-208, an inducer of ApoA-I in humans, is a BET bromodomain antagonist.[J]. PLoS ONE, 2013: e83190. DOI:10.1371/journal.pone.0083190
[3] RVX-208: a small molecule that increases apolipoprotein A-I and high-density lipoprotein cholesterol in vitro and in vivo
[4] RAVI JAHAGIRDAR . A novel BET bromodomain inhibitor, RVX-208, shows reduction of atherosclerosis in hyperlipidemic ApoE deficient mice[J]. Atherosclerosis, 2014, 236 1: Pages 91-100. DOI:10.1016/j.atherosclerosis.2014.06.008
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