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Cytidine
Skeletal formula of cytidine
Ball-and-stick model of the cytidine molecule
Names
IUPAC name
Cytidine
Systematic IUPAC name
4-Amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2(1H)-one
Other names
4-Amino-1-β-D-ribofuranosyl-2(1H)-pyrimidinone [1]
4-Amino-1-[3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]pyrimidin-2-one
Identifiers
3D model ( JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.000.555 Edit this at Wikidata
KEGG
MeSH Cytidine
PubChem CID
UNII
  • InChI=1S/C9H13N3O5/c10-5-1-2-12(9(16)11-5)8-7(15)6(14)4(3-13)17-8/h1-2,4,6-8,13-15H,3H2,(H2,10,11,16)/t4-,6-,7-,8-/m1/s1 checkY
    Key: UHDGCWIWMRVCDJ-XVFCMESISA-N checkY
  • InChI=1/C9H13N3O5/c10-5-1-2-12(9(16)11-5)8-7(15)6(14)4(3-13)17-8/h1-2,4,6-8,13-15H,3H2,(H2,10,11,16)/t4-,6-,7-,8-/m1/s1
    Key: UHDGCWIWMRVCDJ-XVFCMESIBD
  • O=C1/N=C(/N)\C=C/N1[C@@H]2O[C@@H]([C@@H](O)[C@H]2O)CO
Properties
C9H13N3O5
Molar mass 243.217
Appearance white, crystalline powder [2]
Melting point 230 °C (decomposes) [1]
-123.7·10−6 cm3/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY  verify ( what is checkY☒N ?)

Cytidine ( symbol C or Cyd) is a nucleoside molecule that is formed when cytosine is attached to a ribose ring (also known as a ribofuranose) via a β-N1- glycosidic bond. Cytidine is a component of RNA. It is a white water-soluble solid. [2] which is only slightly soluble in ethanol. [1]

Dietary sources

Dietary sources of cytidine include foods with high RNA (ribonucleic acid) content, [3] such as organ meats, brewer's yeast, as well as pyrimidine-rich foods such as beer. During digestion, RNA-rich foods are broken-down into ribosyl pyrimidines (cytidine and uridine), which are absorbed intact. [3] In humans, dietary cytidine is converted into uridine, [4] which is probably the compound behind cytidine's metabolic effects.

Cytidine analogues

A variety of cytidine analogues are known, some with potentially useful pharmacology. For example, KP-1461 is an anti-HIV agent that works as a viral mutagen, [5] and zebularine exists in E. coli and is being examined for chemotherapy. Low doses of azacitidine and its analog decitabine have shown results against cancer through epigenetic demethylation. [6]

Biological actions

In addition to its role as a pyrimidine component of RNA, cytidine has been found to control neuronal- glial glutamate cycling, with supplementation decreasing midfrontal/cerebral glutamate/ glutamine levels. [7] As such, cytidine has generated interest as a potential glutamatergic antidepressant drug. [7]

Related compounds

Properties

References

  1. ^ a b c William M. Haynes (2016). CRC Handbook of Chemistry and Physics (97th ed.). Boca Raton: CRC Press. pp. 3–140. ISBN  978-1-4987-5429-3.
  2. ^ a b Robert A. Lewis, Michael D. Larrañaga, Richard J. Lewis Sr. (2016). Hawley's Condensed Chemical Dictionary (16th ed.). Hoboken, New Jersey: John Wiley & Sons, Inc. p. 688. ISBN  978-1-118-13515-0.{{ cite book}}: CS1 maint: multiple names: authors list ( link)
  3. ^ a b Jonas DA; Elmadfa I; Engel KH; et al. (2001). "Safety considerations of DNA in food". Ann Nutr Metab. 45 (6): 235–54. doi: 10.1159/000046734. PMID  11786646.
  4. ^ Wurtman RJ, Regan M, Ulus I, Yu L (Oct 2000). "Effect of oral CDP-choline on plasma choline and uridine levels in humans". Biochem. Pharmacol. 60 (7): 989–92. doi: 10.1016/S0006-2952(00)00436-6. PMID  10974208. S2CID  18687483.
  5. ^ John S. James. "New Kind of Antiretroviral, KP-1461". AIDS Treatment News. Archived from the original on 2019-03-30. Retrieved 2012-03-23.
  6. ^ "Scientists reprogram cancer cells with low doses of epigenetic drugs". Medical XPress. March 22, 2012.
  7. ^ a b Machado-Vieira, Rodrigo; Salvadore, Giacomo; DiazGranados, Nancy; Ibrahim, Lobna; Latov, David; Wheeler-Castillo, Cristina; Baumann, Jacqueline; Henter, Ioline D.; Zarate, Carlos A. (2010). "New Therapeutic Targets for Mood Disorders". The Scientific World Journal. 10: 713–726. doi: 10.1100/tsw.2010.65. ISSN  1537-744X. PMC  3035047. PMID  20419280.

External links