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A6636 Sigma

Aflatoxin B1 from Aspergillus flavus

from Aspergillus flavus

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Description

Warning

Possibly carcinogenic.

Application

Aflatoxin B1 is a carcinogenic compound that induces transversion of G to T at codon 249 of the p53 tumor suppressor gene. Aflatoxin B1 may be used as an internal standard when testing for aflatoxin contamination in food products.

Biochem/physiol Actions

Aflatoxin B1 is a carcinogenic compound produced by Aspergillus flavus, a common soil fungus, that induces transversion of G to T at codon 249 of the p53 tumor suppressor gene. Aflatoxin B1 is a food contaminant and a hepatocarcinogen. Aflatoxin is biotransformed to genotoxic intermediates by P450 Phase I enzymes, mainly CYP3A4 via aflatoxin B1 3-hydroxylation. Detoxification depends on Phase II enzymes, such as Glutathione S-Transferase and AFB(1)-aldehyde reductase (AFAR). Aflatoxin B1 is a CYP1A2, CYP2A6, CYP2D6, and CYP3A family substrate.

Other Notes

Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. A6636.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.

Price and Availability


HepaRG 5F Clone

All labs need water
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3462 6.1 / PGI
WGK Germany 
3
RTECS 
GY1925000
Protocols & Articles

Articles

Carcinogenesis and Epigenetics

Cancer research has revealed that the classical model of carcinogenesis, a three step process consisting of initiation, promotion, and progression, is not complete. The expansion of the carcinogenesi...
Vicki Caligur
BioFiles 2008, 3.5, 18.
Keywords: Acetylations, Adhesion, Alkylations, Apoptosis, Biofiles, Cancer, Carcinogens, Cell division, Cell proliferation, Cell signaling, DNA microarrays, Drug discovery, Environmental, Epigenetics, Events, Gene expression, Genetic, Hormones, Metabolism, Methylations, Microarray Analysis, Mutagens, PAGE, Recombination, Reductions, Sequences, Transcription, Type, transformation

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Peer-Reviewed Papers
15

References

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