dihydropyrimidine dehydrogenase
Dernière mise à jour 18 Aug 2020
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La DPYD gene provides instructions for making an enzyme called dihydropyrimidine dehydrogenase, which is involved in the breakdown of molecules called uracil and thymine when they are not needed. Uracil and thymine are pyrimidines, which are one type of nucleotide. Nucleotides are building blocks of DNA, its chemical cousin RNA, and molecules such as ATP and GTP that serve as energy sources in the cell.
Normal function
La DPYD gene provides instructions for making an enzyme called dihydropyrimidine dehydrogenase, which is involved in the breakdown of molecules called uracil and thymine when they are not needed. Uracil and thymine are pyrimidines, which are one type of nucleotide. Nucleotides are building blocks of DNA, its chemical cousin RNA, and molecules such as ATP and GTP that serve as energy sources in the cell.
Dihydropyrimidine dehydrogenase is involved in the first step of the breakdown of pyrimidines. This enzyme converts uracil to another molecule called 5,6-dihydrouracil and converts thymine to 5,6-dihydrothymine. The molecules created when pyrimidines are broken down are excreted by the body or used in other cellular processes.
Conditions referring to this gene or chromosome
Other names
DHP
DHPDHASE
dihydropyrimidine dehydrogenase [NADP+]
dihydrothymine dehydrogenase
dihydrouracil dehydrogenase
DPD
DPYD_HUMAN
MGC132008
MGC70799
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Lectures complémentaires et références
- dihydropyrimidine dehydrogenase; MedlinePlus, National Library of Medicine.
- Al-Sanna'a NA, Van Kuilenburg AB, Atrak TM, Abdul-Jabbar MA, Van Gennip AH. Dihydropyrimidine dehydrogenase deficiency presenting at birth. J Inherit Metab Dis. 2005;28(5):793-6. doi: 10.1007/s10545-005-4218-0.
- Ciccolini J, Gross E, Dahan L, Lacarelle B, Mercier C. Routine dihydropyrimidine dehydrogenase testing for anticipating 5-fluorouracil-related severe toxicities: hype or hope? Clin Colorectal Cancer. 2010 Oct;9(4):224-8. doi: 10.3816/CCC.2010.n.033.
- Mattison LK, Fourie J, Desmond RA, Modak A, Saif MW, Diasio RB. Increased prevalence of dihydropyrimidine dehydrogenase deficiency in African-Americans compared with Caucasians. Clin Cancer Res. 2006 Sep 15;12(18):5491-5. doi: 10.1158/1078-0432.CCR-06-0747.
- Saif MW, Mattison L, Carollo T, Ezzeldin H, Diasio RB. Dihydropyrimidine dehydrogenase deficiency in an Indian population. Cancer Chemother Pharmacol. 2006 Sep;58(3):396-401. doi: 10.1007/s00280-005-0174-5. Epub 2006 Jan 19.
- van Kuilenburg AB, De Abreu RA, van Gennip AH. Pharmacogenetic and clinical aspects of dihydropyrimidine dehydrogenase deficiency. Ann Clin Biochem. 2003 Jan;40(Pt 1):41-5. doi: 10.1258/000456303321016150.
- van Kuilenburg AB, Dobritzsch D, Meinsma R, Haasjes J, Waterham HR, Nowaczyk MJ, Maropoulos GD, Hein G, Kalhoff H, Kirk JM, Baaske H, Aukett A, Duley JA, Ward KP, Lindqvist Y, van Gennip AH. Novel disease-causing mutations in the dihydropyrimidine dehydrogenase gene interpreted by analysis of the three-dimensional protein structure. Biochem J. 2002 May 15;364(Pt 1):157-63. doi: 10.1042/bj3640157.
- van Kuilenburg AB, Meijer J, Mul AN, Hennekam RC, Hoovers JM, de Die-Smulders CE, Weber P, Mori AC, Bierau J, Fowler B, Macke K, Sass JO, Meinsma R, Hennermann JB, Miny P, Zoetekouw L, Vijzelaar R, Nicolai J, Ylstra B, Rubio-Gozalbo ME. Analysis of severely affected patients with dihydropyrimidine dehydrogenase deficiency reveals large intragenic rearrangements of DPYD and a de novo interstitial deletion del(1)(p13.3p21.3). Hum Genet. 2009 Jun;125(5-6):581-90. doi: 10.1007/s00439-009-0653-6. Epub 2009 Mar 19.
- Van Kuilenburg AB, Vreken P, Abeling NG, Bakker HD, Meinsma R, Van Lenthe H, De Abreu RA, Smeitink JA, Kayserili H, Apak MY, Christensen E, Holopainen I, Pulkki K, Riva D, Botteon G, Holme E, Tulinius M, Kleijer WJ, Beemer FA, Duran M, Niezen-Koning KE, Smit GP, Jakobs C, Smit LM, Van Gennip AH, et al. Genotype and phenotype in patients with dihydropyrimidine dehydrogenase deficiency. Hum Genet. 1999 Jan;104(1):1-9. doi: 10.1007/pl00008711.
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