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Camptothecin

Cat. No. M2199

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Camptothecin Structure
Synonym:

Camptothecine; (S)-(+)-Camptothecin; CPT

Size Price Availability Quantity
100mg USD 50 In stock
500mg USD 145 In stock
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Biological Activity

Camptothecin (CPT), an alkaloid, is an inhibitor of DNA Topoisomerase I (Topo I) with an IC50 value of 679 nM. Camptothecin (CPT) has strong antitumor activity against colorectal cancer, breast cancer, lung cancer and ovarian cancer, and modulates hypoxia-inducible factor-1α (HIF-1α) activity by altering miRNA expression patterns in human cancer cells.

Product Citations
Protocol (for reference only)
Cell Experiment
Cell lines HCT116
Preparation method Briefly, cells were incubated with BrdUrd (24 h for normal cells, and 72 h for CPT-treated cells), fixed for 20 min in 2% glutaraldehyde in PBS at room temperature, and the cell membranes were permeabilized with acetone and methanol (1:1). The cells were then incubated for 30 min in 2 m HCl followed by a 30-min incubation in 0.1 m sodium borate (pH 8.5), washed three times in PBS, incubated for 60 min in 1% bovine serum albumin/PBS, and followed by a 45-min incubation in PBS containing 2 μg/ml mouse monoclonal antibody.
Concentrations 20 nM, 250 nM
Incubation time 72 h
Animal Experiment
Animal models CDF1 female mice
Formulation Polyethylene glycol 400, propylene glycol and polysorbate 80 (40:50:2, volume ratio)
Dosages 2.5 mg/kg
Administration Intravenously administered
Chemical Information
Molecular Weight 348.36
Formula C20H16N2O4
CAS Number 7689-03-4
Solubility (25°C) DMSO 3 mg/mL
Storage 2-8°C, protect from light
References

[1] Liu LF, et al. Ann N Y Acad Sci. Mechanism of action of camptothecin.

[2] Pantazis P, et al. Int J Cancer. Camptothecin derivatives induce regression of human ovarian carcinomas grown in nude mice and distinguish between non-tumorigenic and tumorigenic cells in vitro.

[3] Hsiang YH, et al. J Biol Chem. Camptothecin induces protein-linked DNA breaks via mammalian DNA topoisomerase I.

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Keywords: Camptothecin, Camptothecine; (S)-(+)-Camptothecin; CPT supplier, Topoisomerase, inhibitors, activators

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