Zebularine
Zebularine is a nucleoside analog of cytidine. It is a transition state analog inhibitor of cytidine deaminase by binding to the active size as covalent hydrates. Also shown to inhibit DNA methylation and tumor growth both in vitro and in vivo.[1]
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| IUPAC name
1-(β-D-Ribofuranosyl)-2(1H)-pyrimidinone | |
| Other names
Pyrimidin-2-one β-D-ribofuranoside | |
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| Properties | |
| C9H12N2O5 | |
| Molar mass | 228.204 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
In a small study of mice with a defective Adenomatous polyposis coli gene, oral administration of zebularine to males had no effect on the overall methylation of DNA or the number of polyps, but in females the average number of polyps was reduced from 58 to 1.[2] It has therefore been suggested for drug use as a prototype of epigenetic therapy for cancer chemoprevention.[3]
Zebularine (left) closely resembles cytidine (right), but lacks the 4'-amino group.
References
- "pyrimidin-2-one beta-ribofuranoside - Compound Summary". PubChem/National Center for Biotechnology Information.
- Yoo, Christine B.; Chuang, Jody C.; Byun, Hyang-Min; Egger, Gerda; Yang, Allen S.; Dubeau, Louis; Long, Tiffany; Laird, Peter W.; Marquez, Victor E.; Jones, Peter A. (September 2008). "Long-term Epigenetic Therapy with Oral Zebularine Has Minimal Side Effects and Prevents Intestinal Tumors in Mice". Cancer Prev Res. 1: 233. doi:10.1158/1940-6207.capr-07-0008.
- Laird, Peter W. (15 April 2005). "Cancer epigenetics". Hum. Mol. Genet. 14 (suppl 1): R65–R76. doi:10.1093/hmg/ddi113.
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