| pubmed-article:9543106 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:9543106 | lifeskim:mentions | umls-concept:C1257890 | lld:lifeskim |
| pubmed-article:9543106 | lifeskim:mentions | umls-concept:C0239307 | lld:lifeskim |
| pubmed-article:9543106 | lifeskim:mentions | umls-concept:C0032659 | lld:lifeskim |
| pubmed-article:9543106 | lifeskim:mentions | umls-concept:C0032105 | lld:lifeskim |
| pubmed-article:9543106 | lifeskim:mentions | umls-concept:C0013443 | lld:lifeskim |
| pubmed-article:9543106 | lifeskim:mentions | umls-concept:C0086045 | lld:lifeskim |
| pubmed-article:9543106 | lifeskim:mentions | umls-concept:C0521421 | lld:lifeskim |
| pubmed-article:9543106 | lifeskim:mentions | umls-concept:C0001898 | lld:lifeskim |
| pubmed-article:9543106 | lifeskim:mentions | umls-concept:C0019878 | lld:lifeskim |
| pubmed-article:9543106 | lifeskim:mentions | umls-concept:C0042285 | lld:lifeskim |
| pubmed-article:9543106 | lifeskim:mentions | umls-concept:C0066357 | lld:lifeskim |
| pubmed-article:9543106 | lifeskim:mentions | umls-concept:C1414437 | lld:lifeskim |
| pubmed-article:9543106 | lifeskim:mentions | umls-concept:C0376249 | lld:lifeskim |
| pubmed-article:9543106 | lifeskim:mentions | umls-concept:C1882417 | lld:lifeskim |
| pubmed-article:9543106 | pubmed:issue | 2 | lld:pubmed |
| pubmed-article:9543106 | pubmed:dateCreated | 1998-5-22 | lld:pubmed |
| pubmed-article:9543106 | pubmed:abstractText | A common polymorphism has been described in the methylenetetrahydrofolate reductase (MTHFR) gene, substituting an alanine (A) for a valine (V), where the V allele results in a thermolabile enzyme with reduced activity. This polymorphism is easily detectable by PCR amplification and digestion with HinfI restriction enzyme. We describe the use of the MADGE high throughput genotyping system for rapid typing of this polymorphism. Seven hundred and eighty five individuals participating in the European Atherosclerosis Research Study II (EARS II), aged 22-25 from 14 universities in 12 countries across Europe were genotyped for this polymorphism. The frequency of the V allele was 0.32 overall (95% CI; 0.30-0.35), but was significantly lower in the Baltic countries (0.23; 95% CI; 0.19-0.28) compared with the other regions of Europe (0.37; 95% CI; 0.32-0.38) (P < 0.001). Individuals homozygous for the V allele had statistically significant (P < 0.001) higher plasma homocysteine (16.5 micromol/l) compared with those heterozygous for an A allele (10.4 micromol/l) or homozygous for an A allele (10.0 micromol/l). This effect was seen in all countries and regions of Europe. Mean plasma homocysteine levels were significantly higher in the South compared to the Baltic, UK and Middle regions (P = 0.001), but this difference was not explained by the difference in the frequency of the V allele in the samples. This polymorphism explained 12.3% of the total sample variance in plasma homocysteine, other measured factors (smoking, alcohol consumption, systolic blood pressure, physical activity) explained 0.7%. This study demonstrates the large and consistent impact of the thermolabile MTHFR variant on plasma homocysteine levels in different European populations, and shows a regional difference in the levels of homocysteine that must be explained by other genetic or environmental factors. | lld:pubmed |
| pubmed-article:9543106 | pubmed:language | eng | lld:pubmed |
| pubmed-article:9543106 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:9543106 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:9543106 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:9543106 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:9543106 | pubmed:month | Feb | lld:pubmed |
| pubmed-article:9543106 | pubmed:issn | 0021-9150 | lld:pubmed |
| pubmed-article:9543106 | pubmed:author | pubmed-author:StansbieDD | lld:pubmed |
| pubmed-article:9543106 | pubmed:author | pubmed-author:ScottJJ | lld:pubmed |
| pubmed-article:9543106 | pubmed:author | pubmed-author:HumphriesSS | lld:pubmed |
| pubmed-article:9543106 | pubmed:author | pubmed-author:GudnasonVV | lld:pubmed |
| pubmed-article:9543106 | pubmed:author | pubmed-author:BowronAA | lld:pubmed |
| pubmed-article:9543106 | pubmed:author | pubmed-author:NicaudVV | lld:pubmed |
| pubmed-article:9543106 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:9543106 | pubmed:volume | 136 | lld:pubmed |
| pubmed-article:9543106 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:9543106 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:9543106 | pubmed:pagination | 347-54 | lld:pubmed |
| pubmed-article:9543106 | pubmed:dateRevised | 2006-11-15 | lld:pubmed |
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| pubmed-article:9543106 | pubmed:year | 1998 | lld:pubmed |
| pubmed-article:9543106 | pubmed:articleTitle | C677T (thermolabile alanine/valine) polymorphism in methylenetetrahydrofolate reductase (MTHFR): its frequency and impact on plasma homocysteine concentration in different European populations. EARS group. | lld:pubmed |
| pubmed-article:9543106 | pubmed:affiliation | Department of Medicine, University College London Medical School, The Rayne Institute, UK. v.gudnason@ucl.ac.uk | lld:pubmed |
| pubmed-article:9543106 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:9543106 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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