PMID- 16047263 OWN - NLM STAT- MEDLINE DCOM- 20050929 LR - 20131121 IS - 1528-9648 (Print) IS - 1528-9648 (Linking) VI - 5 IP - 2 DP - 2005 May TI - Genetic determinants of plasma total homocysteine. PG - 98-109 AB - Hyperhomocysteinemia (Hhcy) is an established risk factor for various pathologies including arterial vascular disease and venous thrombosis, congenital malformations and other pregnancy complications, and dementia. Homocysteine remethylation, transsulfuration, and export to the blood/extracellular compartment determine homocysteine concentrations. Any disturbance in these routes may lead to Hhcy and potentially increase risk of disease. In this report, we aim to review all known polymorphisms involved in homocysteine and B-vitamin metabolism that have been assessed for their effect on tHcy. In the last section, we summarize the polymorphisms, for which the obtained data provides evidence for their involvement in Hhcy at the population level, and discuss how to continue our search for genetic determinants of tHcy. FAU - Gellekink, Henkjan AU - Gellekink H AD - Laboratory of Pediatrics and Neurology (424), Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands. FAU - den Heijer, Martin AU - den Heijer M FAU - Heil, Sandra G AU - Heil SG FAU - Blom, Henk J AU - Blom HJ LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Review PL - United States TA - Semin Vasc Med JT - Seminars in vascular medicine JID - 100940307 RN - 0 (Genetic Markers) RN - 0LVT1QZ0BA (Homocysteine) RN - EC 1.5.1.20 (Methylenetetrahydrofolate Reductase (NADPH2)) SB - IM MH - Cardiovascular Diseases/etiology MH - Genetic Markers MH - Genotype MH - Homocysteine/*blood/*genetics MH - Humans MH - Hyperhomocysteinemia/*blood/complications/genetics MH - Methylation MH - Methylenetetrahydrofolate Reductase (NADPH2)/genetics/metabolism MH - Polymorphism, Genetic MH - Risk Factors RF - 123 EDAT- 2005/07/28 09:00 MHDA- 2005/09/30 09:00 CRDT- 2005/07/28 09:00 PHST- 2005/07/28 09:00 [pubmed] PHST- 2005/09/30 09:00 [medline] PHST- 2005/07/28 09:00 [entrez] AID - 10.1055/s-2005-872396 [doi] PST - ppublish SO - Semin Vasc Med. 2005 May;5(2):98-109. doi: 10.1055/s-2005-872396.