L4045
Luotonin A
≥98% (HPLC)
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About This Item
Linear Formula:
C18H11N3O
CAS Number:
Molecular Weight:
285.30
NACRES:
NA.77
UNSPSC Code:
12352202
biological source
synthetic (organic)
assay
≥98% (HPLC)
form
solid
solubility
chloroform: methanol (1:1): 4 mg/mL, clear to slightly hazy, colorless to yellow
shipped in
wet ice
storage temp.
−20°C
Gene Information
human ... TOP1(7150)
Biochem/physiol Actions
Luotonin A is a cytotoxic alkaloid reported to inhibit topoisomerase I. Luotonin A was originally isolated from the Chinese medicinal plant Paganum nigellastrum. As an antitumor agent, Luotonin A demonstrates cytotoxic activity against the mouse leukemic cell line P-388 at low concentrations (IC50 1.8μg/mL). Luotonin A stabilizes the cleavable human topoisomerase I-DNA binary complex resulting in cytotoxicity to cells (IC50 5.07-12.6 μM).Luotonin forms non-covalent complexes with ds-DNA in the minor groove. It may serve as a prototype for analytical probes of DNA hybridization.
Preparation Note
Solubility is tested at 4 mg/mL in 1:1 solution of choloform and methanol. Solubility of luotonins in DMSO has been reported.
signalword
Danger
hcodes
pcodes
Hazard Classifications
Acute Tox. 3 Oral
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
涉药品监管产品
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Pierluigi Mussardo et al.
Analytical and bioanalytical chemistry, 400(2), 321-327 (2011-01-19)
The interaction between DNA and several newly synthesized derivatives of the natural anticancer compound luotonin A has been studied. The results from our work reveal an effective and selective alkaloid/double-stranded DNA (ds-DNA) interaction. In the presence of increasing amounts of
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