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Purity: ≥98%
Ellipticine, originally identified as a natural product, is a DNA-damaging agent acting as a prodrug whose pharmacological efficiencies and genotoxic side effects are dictated by activation with cytochrome P450 (CYP). With several modes of action, including DNA intercalation and inhibition of DNA topoisomerase II, ellipticine is a highly effective antitumor agent. In addition to its pharmacological and genotoxic effects, ellipticine can also be used as an inducer or inhibitor of biotransformation enzymes, which can alter its own metabolism. Cell growth and proliferation were inhibited when ellipticine was administered to all tested cells. This effect was linked, in MCF-7, HL-60, CCRF-CEM, UKF-NB-3, UKF-NB-4, and U87MG cells, to the formation of two covalent ellipticine-derived DNA adducts, which were identical to those formed by 13-hydroxy- and 12-hydroxyellipticine, the ellipticine metabolites generated by CYP and peroxidase enzymes, but not in neuroblastoma UKF-NB-3 cells. Consequently, the majority of cancer cell lines examined in this comparative study may be more sensitive to ellipticine treatment due to DNA adduct formation, while other ellipticine action mechanisms may also play a role in the drug's cytotoxicity against neuroblastoma UKF-NB-3 cells.
| Targets |
Topoisomerase II
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| ln Vitro |
Ellipticine (NSC 71795) is a strong anti-tumor agent that acts through multiple modes of action. Ellipticine (NSC 71795) is thought to exert its antitumor, mutagenic, and cytotoxic properties through the mechanisms of intercalation into DNA and inhibition of DNA topoisomerase II activity. Ellipticine (NSC 71795) also acts through oxidizing DNA with cytochromes P450 (CYP) and peroxidases, which forms covalent DNA adducts[1]. Ellipticine (NSC 71795) has pharmacological and genotoxic effects because it can also modulate its own metabolism by acting as an inducer or inhibitor of biotransformation enzymes. The application of Ellipticine (NSC 71795) to cells inhibits their growth and proliferation. Two covalent DNA adducts derived from ellipticine (NSC 71795) are linked to this effect[2].
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| ln Vivo |
Ellipticine (NSC 71795) treatment causes the DNA of mammary adenocarcinoma and several healthy organs (liver, kidney, lung, spleen, breast, heart, and brain) to produce adducts of Ellipticine (NSC 71795). These adenocarcinomas produce nearly twice as much Ellipticine (NSC 71795)-derived DNA adducts than do normal, healthy mammary tissue. Cytochrome b5 may influence CYP-mediated bioactivation and detoxification of ellipticine (NSC 71795), as evidenced by the induced expression of cytochrome b5 protein in the liver of rats treated with the drug[3].
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| Enzyme Assay |
Ellipticine is a strong antitumor agent that acts through multiple modes of action. The mechanisms underlying the cytotoxic, mutagenic, and antitumor properties of ellipticine are proposed to involve DNA intercalation and inhibition of DNA topoisomerase II activity. The oxidation of DNA with cytochromes P450 (CYP) and peroxidases results in the formation of covalent DNA adducts, which is another way that ellipticine acts[1]. Ellipticine's pharmacological and genotoxic effects result from its ability to modulate its own metabolism through the inhibition or induction of biotransformation enzymes. The application of ellipticine to cells inhibits their growth and proliferation. Two covalent DNA adducts derived from ellipticines are linked to this effect.
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| Cell Assay |
The MTT test is used to evaluate the cytotoxicity of ellipticine (NSC 71795). To get final concentrations of 0, 0.1, 1, 5, or 10 μM, ellipticine (NSC 71795) is diluted in culture medium after being dissolved in DMSO (1 mM). In a 96-well microplate, 1×104 cells are seeded per well for exponential growth. Following four hours of incubation, the MTT solution is added, and the cells are lysed in 50% N,N-dimethylformamide with 20% sodium dodecyl sulfate (SDS) at a pH of 4.5. At 570 nm, the absorbance is measured. As a background, the mean absorbance of the medium controls is subtracted. The values of treated cells are computed as a percentage of control, with the viability of control cells being assumed to be 100%. The dose-log response curves are linearly regressed to determine the IC50 values[2].
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| References |
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| Molecular Formula |
C17H14N2
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| Molecular Weight |
246.31
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| Exact Mass |
246.12
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| Elemental Analysis |
C, 82.90; H, 5.73; N, 11.37
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| CAS # |
519-23-3
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| Related CAS # |
Ellipticine hydrochloride;5081-48-1
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| Appearance |
Yellow solid powder
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| SMILES |
CC1=C2C=CN=CC2=C(C3=C1NC4=CC=CC=C43)C
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| InChi Key |
CTSPAMFJBXKSOY-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C17H14N2/c1-10-14-9-18-8-7-12(14)11(2)17-16(10)13-5-3-4-6-15(13)19-17/h3-9,19H,1-2H3
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| Chemical Name |
5,11-dimethyl-6H-pyrido[4,3-b]carbazole
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| Synonyms |
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| HS Tariff Code |
2934.99.9001
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
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| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
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| Solubility (In Vivo) |
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.
Injection Formulations
Injection Formulation 1: DMSO : Tween 80： Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)(e.g. IP/IV/IM/SC) *Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution. Injection Formulation 2: DMSO : PEG300 ：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil) Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals). View More
Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)] Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium) Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals). View More
Oral Formulation 3: Dissolved in PEG400 (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 4.0599 mL | 20.2996 mL | 40.5992 mL | |
| 5 mM | 0.8120 mL | 4.0599 mL | 8.1198 mL | |
| 10 mM | 0.4060 mL | 2.0300 mL | 4.0599 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
 Total levels of ellipticine-DNA adducts determined and quantified by32P-postlabelling analysis of DNA isolated from organs of HRN and WT mice treatedi.p.with 10 mg ellipticine/kg body weight.Int J Mol Sci.2014 Dec 25;16(1):284-306.
Autoradiographic profiles of ellipticine-derived DNA adducts analyzed with the32P-postlabeling assay.Interdiscip Toxicol.2011 Jun;4(2):98-105. |
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 DNA adduct formation by ellipticine activated with microsomes isolated from livers of untreated Hepatic Cytochrome P450 Reductase Null (HRN) or wild-type (WT) mice (A) and from mice treated with BaP (B) as determined by32P-postlabeling.Int J Mol Sci.2014 Dec 25;16(1):284-306. |
 Autoradiographs of thin layer chromatography (TLC) maps of32P-labeled digests of calf thymus DNA reacted with ellipticine activated by hepatic microsomes from wild-type (WT) mice
Levels of ellipticine metabolites formed by hepatic microsomes (0.2 mg protein) of Hepatic Cytochrome P450 Reductase Null (HRN) and wild-type (WT) mice from 10 μM ellipticine and by hepatic microsomes of HRN and WT mice pre-treated with BaP.Int J Mol Sci.2014 Dec 25;16(1):284-306. |
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