Stibophen
Stibophen is a potent antiparasitic agent is effective against Litomosoides carinii, Dipetalonema witei, and Brugia pahangi. Stibophen inhibits lactate accumulation and phosphofructokinases (PFK) activity in adult filariids. Stibophen also inhibits Ascaris and Hymenolepis diminuta PFK without inhibiting mammalian liver PFK. Stibophen can be used for the research of schistosomiasis and filariid infections.
For research use only. We do not sell to patients.
- CAS No.: 15489-16-4
- Formula: C12H18Na5O23S4Sb
- Molecular Weight:895.23
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Storage:
Please store the product under the recommended conditions in the Certificate of Analysis.
All Parasite Isoforms
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Biological Activity
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phosphofructokinases (PFK) |
Stibophen (0-2×10-3 M) potently inhibits PFK activity in filarial homogenates at 2 ×10-5 M, while hamster liver PFK demonstrates roughly 1000-fold lower sensitivity[2].
Stibophen (1.6×10-4 M; 30 min) inhibits lactate formation in intact filarial parasites with inhibitions of ~40% in B. pahangi, D. witei, and L. carinii[2].
Stibophen (1.6×10-5-1.6×10-4 M; 75 min) leads to an accumulation of hexose phosphates (G-6-P and F-6-P) and a concomitant reduction in Fructose-1,6-bisphosphate in intact filarial parasites, indicating its PFK inhibition activity[2].
Stibophen (1.6×10-4 M; 1 h) inhibits lactate formation from glucose and fructose-1,6-diphosphate in filarial homogenates, with aldolase reversing FDP-dependent inhibition[2].
Stibophen (1.6×10-5-5×10-3 M) potently inhibits PFK and aldolase in filarial homogenates[2].
Stibophen (1.6×10-4 M) inhibits PFK activity in helminth homogenates but not in rat liver preparations, demonstrating its selective toxicity against parasitic enzymes[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 15489-16-4
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Molecular Weight 895.23
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Formula C12H18Na5O23S4Sb
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SMILES
O=S([O-])(C1=CC2=C(C(S(=O)([O-])=O)=C1)[O-][Sb+3]3([O-]C4=C([O-]3)C(S(=O)([O-])=O)=CC(S(=O)([O-])=O)=C4)[O-]2)=O.[5 Na+].[7 H2O]
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Please store the product under the recommended conditions in the Certificate of Analysis.
Purity & Documentation
References
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)