H. Blom

Publications417
h-index83
Citations25,317
Highly Influential Citations893
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A second common mutation in the methylenetetrahydrofolate reductase gene: an additional risk factor for neural-tube defects?
Recently, we showed that homozygosity for the common 677(C-->T) mutation in the methylenetetrahydrofolate reductase (MTHFR) gene, causing thermolability of the enzyme, is a risk factor for… Expand
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MTHFR 677C-->T polymorphism and risk of coronary heart disease: a meta-analysis.
CONTEXT In observational studies, individuals with elevated levels of plasma homocysteine tend to have moderately increased risk of coronary heart disease (CHD). The MTHFR 677C-->T polymorphism is a… Expand
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Overview of homocysteine and folate metabolism. With special references to cardiovascular disease and neural tube defects
This overview addresses homocysteine and folate metabolism. Its functions and complexity are described, leading to explanations why disturbed homocysteine and folate metabolism is implicated in many… Expand
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Homocysteine metabolism, hyperhomocysteinaemia and vascular disease: An overview
SummaryHyperhomocysteinaemia has been regarded as a new modifiable risk factor for atherosclerosis and vascular disease. Homocysteine is a branch-point intermediate of methionine metabolism, which… Expand
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Mutated methylenetetrahydrofolate reductase as a risk factor for spina bifida
Periconceptional folate supplementation reduces the risk of neural-tube defects. We studied the frequency of the 677C-->T mutation in the 5,10-methylenetetrahydrofolate reductase (MTHFR) gene in 55… Expand
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Homocysteine Determinants and the Evidence to What Extent Homocysteine Determines the Risk of Coronary Heart Disease
Cardiovascular diseases (CVD), especially coronary heart disease (CHD), are the most important causes of death in industrialized countries. Increased concentrations of total plasma homocysteine… Expand
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Homocysteine, methylenetetrahydrofolate reductase and risk of schizophrenia: a meta-analysis
Elevated plasma homocysteine concentration has been suggested as a risk factor for schizophrenia, but the results of epidemiological studies have been inconsistent. The most extensively studied… Expand
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Cytosine DNA Methylation Is Found in Drosophila melanogaster but Absent in Saccharomyces cerevisiae, Schizosaccharomyces pombe, and Other Yeast Species
The methylation of cytosine to 5-methylcytosine (5-meC) is an important epigenetic DNA modification in many bacteria, plants, and mammals, but its relevance for important model organisms, including… Expand
  • 177
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Effect of oral vitamin B-12 with or without folic acid on cognitive function in older people with mild vitamin B-12 deficiency: a randomized, placebo-controlled trial.
BACKGROUND Vitamin B-12 deficiency is associated with cognitive impairment in older people. However, evidence from randomized trials of the effects of vitamin B-12 supplementation on cognitive… Expand
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Thermolabile methylenetetrahydrofolate reductase in coronary artery disease.
BACKGROUND Hyperhomocysteinemia, an independent and graded risk factor for coronary artery disease (CAD), may result from both environmental and hereditary factors. Methylenetetrahydrofolate… Expand
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