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A2385 Sigma

5-Azacytidine

≥98% (HPLC)

Synonym: 4-Amino-1-(β-D-ribofuranosyl)-1,3,5-triazin-2(1H)-one, 5-Azacitidine, Ladakamycin

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Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Packaging

1 g in poly bottle

100, 250 mg in poly bottle

Biochem/physiol Actions

A potent growth inhibitor and cytotoxic agent; inhibits DNA methyltransferase, an important regulatory mechanism of gene expression, gene activation and silencing.

Causes DNA demethylation or hemi-demethylation, creating openings that allow transcription factors to bind to DNA and reactivate tumor suppressor genes.

Features and Benefits

This compound is a featured product for Gene Regulation research. Click here to discover more featured Gene Regulation products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.

This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more.

This compound was developed by Celgene. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

Legal Information

LOPAC is a registered trademark of Sigma-Aldrich Co. LLC

Price and Availability


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Safety & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
3

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
What is the solution stability of Product No. A2385? That is, how should I store solutions of 5-Azacytidine?
We generally don't recommend storing solutions, since it has such poor solution stability. In Cancer Res., 61, 6331-6334 (2001), A. Chetcuti et al. describe preparing a 5 micromolar working concentration from a 5 Molar freshly prepared stock solution in DMSO. Please also see the product information sheet for additional information:  http://www.sigmaaldrich.com/etc/medialib/docs/Sigma/Product_Information_Sheet/a2385pis.Par.0001.File.tmp/a2385pis.pdf
What is Product No. A2385 (5-Azacytidine) used for?
This nucleoside analog has been used variously as an antitumor agent and as a mutagenic agent. Please see the product information sheet for several references to in vitro applications: http://www.sigmaaldrich.com/etc/medialib/docs/Sigma/Product_Information_Sheet/a2385pis.Par.0001.File.tmp/a2385pis.pdf.
I need to perform an identity test on Product No. A2385 (5-Azacytidine). What would you recommend?
Here is the link to the specification sheet for A2385: http://www.sigmaaldrich.com/catalog/DataSheetPage.do?brandKey=SIGMA&symbol=A2385. This means that each lot is tested according to the list of tests (left hand column), and must meet or exceed the specifications (right hand column). HPLC. The elemental analyses for carbon and nitrogen content are identity tests (albeit not absolutely conclusive identity tests). I would say that the HPLC, using a previous lot of A2385 as a control sample, provides the best evidence for identity and purity.
I just need to perform a purity assay on Product No. A2385 (5-Azacytidine). What would you recommend?
We assay the purity of this product by HPLC. If you would like to obtain a copy of our HPLC parameters/method, please contact your local Sigma-Aldrich Technical Service group.
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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

Discover Bioactive Small Molecules for Gene Regulation

The loss of regulation of gene expression is a key component to many human disease states, including neurodegenerative disorders, autoimmune conditions and, most prominently, cancers. Regulation of g...
Keywords: Acetylations, Epigenetics, Gene expression, Genomics, Methylations, Post translational modifications, Transcription

Modulators and Proteins for Methylation

DNA methyltransferases are a family of enzymes that catalyze the transfer of a methyl group to DNA. There are five related DNA cytosine-5-methyltransferases (DNMTs) that transfer a methyl group from ...
Savita Bagga, PhD.
BioFiles v7 n3, 2012, 7–9
Keywords: Gene expression, Methylations, PAGE

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Peer-Reviewed Papers
15

References

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