ABC294640


Catalog No. size PriceQuantity
M6465-2 2mg solid $120
M6465-10 10mg solid $482

Description

Cas:915385-81-8

Product Information:

ABC294640, also known as Opaganib, is an orally available, aryladamantane compound and selective inhibitor of sphingosine kinase-2 (SK2) with potential antineoplastic activity. Upon administration, ABC294640 competitively binds to and inhibits SK2, thereby preventing the phosphorylation of the pro-apoptotic amino alcohol sphingosine to sphingosine 1-phosphate (S1P), the lipid mediator that is pro-survival and critical for immunomodulation. This may eventually lead to the induction of apoptosis and may result in an inhibition of cell proliferation in cancer cells overexpressing SK2.

 

Chemical Formula: C23H25ClN2O

 

Exact Mass: 380.16554

 

Molecular Weight: 380.9104

 

Elemental Analysis:

 

Synonym:

ABC-294640

ABC294640

ABC 294640

Opaganib

 

Chemical Name: 

(1s,3r,5R,7S)-3-(4-chlorophenyl)-N-(pyridin-4-ylmethyl)adamantane-1-carboxamide

 

InChi Key:

CAOTVXGYTWCKQE-BRNYJPRKSA-N

 

InChi Code: 

InChI=1S/C23H25ClN2O/c24-20-3-1-19(2-4-20)22-10-17-9-18(11-22)13-23(12-17,15-22)21(27)26-14-16-5-7-25-8-6-16/h1-8,17-18H,9-15H2,(H,26,27)/t17-,18+,22+,23-

 

Smiles Code:

O=C([C@@]12C[C@]3(C4=CC=C(Cl)C=C4)C[C@@](C2)([H])C[C@](C3)([H])C1)NCC5=CC=NC=C5

 

 

Technical Data:

 

Appearance: White solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO, not in water

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

 

In Vitro

Using recombinant human SK1 and SK2, Opaganib demonstrates dose-dependent inhibition of SK2 with an IC50 of approximately 60 μM without affecting the activity of SK1 at concentrations up to at least 100 μM. In contrast, N,N-dimethylsphingosine (DMS) inhibits both SK1 and SK2 with IC50 values of approximately 60 and 20 μM, respectively. Kinetic analyses of varying concentrations of Opaganib (ABC294640) in the presence of 2.5 to 25 μM sphingosine indicated a Ki of 9.8±1.4 μM for the inhibition of SK2. Opaganib (ABC294640) decreases [3H]S1P formation in a dose-dependent fashion with an IC50 value of 26 μM. IC50 values for Opaganib (ABC294640) are approximately 50 and 60 μM for A-498 and Bxpc-3 cells, respectively; whereas the IC50 values for Opaganib (ABC294640) are approximately 20 and 40 μM for these cells.

 

In Vivo

Opaganib induces a transient minor decrease in the hematocrit of rats. Hematology studies indicate decreases in red blood cell number and hematocrit of approximately 20% in animals given either 100 or 250 mg/kg/day; and a slight increase in neutrophils and decrease in basophils in the treated rats. Mice are gavaged with Opaganib (50 mg/kg), a selective inhibitor of sphingosine kinase-2 (SK2), 1 h before surgery and subjected to 1 h-warm ischemia to ~70% of the liver followed by reperfusion. Opaganib-treatment largely prevented the increase of sphingosine-1-phosphate (S1P) after ischemia-reperfusion (IR) in vivo.

 

 

References

 

1. White MD, Chan L, Antoon JW, Beckman BS. Targeting ovarian cancer and chemoresistance through selective inhibition of sphingosine kinase-2 with ABC294640. Anticancer Res. 2013 Sep;33(9):3573-9. PubMed PMID: 24023282.

 

  1. Fitzpatrick LR, Green C, Maines LW, Smith CD. Experimental osteoarthritis in rats is attenuated by ABC294640, a selective inhibitor of sphingosine kinase-2. Pharmacology. 2011;87(3-4):135-43. doi: 10.1159/000323911. Epub 2011 Feb 22. PubMed PMID: 21346391.

 

  1. Beljanski V, Lewis CS, Smith CD. Antitumor activity of sphingosine kinase 2 inhibitor ABC294640 and sorafenib in hepatocellular carcinoma xenografts. Cancer Biol Ther. 2011 Mar 1;11(5):524-34. Epub 2011 Mar 1. PubMed PMID: 21258214; PubMed Central PMCID: PMC3087901.

 

  1. Antoon JW, White MD, Meacham WD, Slaughter EM, Muir SE, Elliott S, Rhodes LV, Ashe HB, Wiese TE, Smith CD, Burow ME, Beckman BS. Antiestrogenic effects of the novel sphingosine kinase-2 inhibitor ABC294640. Endocrinology. 2010 Nov;151(11):5124-35. doi: 10.1210/en.2010-0420. Epub 2010 Sep 22. PubMed PMID: 20861237; PubMed Central PMCID: PMC2954724.

 

  1. French KJ, Zhuang Y, Maines LW, Gao P, Wang W, Beljanski V, Upson JJ, Green CL, Keller SN, Smith CD. Pharmacology and antitumor activity of ABC294640, a selective inhibitor of sphingosine kinase-2. J Pharmacol Exp Ther. 2010 Apr;333(1):129-39. doi: 10.1124/jpet.109.163444. Epub 2010 Jan 8. PubMed PMID: 20061445; PubMed Central PMCID: PMC2846016.

 

Products are for research use only. Not for human use.

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