Concentrations of homocysteine, related metabolites and asymmetric dimethylarginine in preeclamptic women with poor nutritional status
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Wolfgang Herrmann
Abstract
Background: Hyperhomocysteinemia, a proxy measure for the nutritional status of the B vitamins, may be involved in the etiology of preeclampsia via inducing endothelial dysfunction. Asymmetric dimethylarginine (ADMA) is an inhibitor of NO-synthase that may adversely affect the endothelium.
Materials and methods: We investigated serum concentrations of folate, vitamin B12, B6, homocysteine (Hcy) and related metabolites in 139 Syrian preeclamptic women and 93 asymptomatic pregnant women of comparable age, gestational age and socioeconomic status. Plasma concentrations of ADMA were determined in a subset of age- and gestation-age-matched pairs of patients and controls (n=63).
Results: Higher concentrations of Hcy, cystathionine and methylmalonic acid (MMA) were closely linked to a lower status of the B vitamins. Higher concentrations of Hcy and cystathionine were observed in the preeclamptic group than in the matched controls (median Hcy 9.3 vs. 6.0μmol/L; median cystathionine 284 vs. 232nmol/L). Serum folate was significantly lower in patients than in controls (16.4 vs. 36.0nmol/L). Folate supplementation was less likely to be used in preeclamptic women. Concentrations of MMA were elevated in patients and controls and did not differ significantly between the two groups. Median plasma concentrations of ADMA were significantly lower in asymptomatic women than in those who developed preeclampsia before the 37th week of gestation (0.61 vs. 0.68μmol/L).
Conclusions: Elevated serum concentrations of Hcy, cystathionine and MMA indicate poor status of the B vitamins during pregnancy. The adverse effect of Hcy on endothelial function might be related to ADMA in early-onset preeclampsia. More emphasis should be placed on increasing the intake of B vitamins in pregnant women from developing countries.
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©2005 by Walter de Gruyter Berlin New York
Artikel in diesem Heft
- Homocysteine research – where do we stand and where are we going?
- Hyperhomocysteinemia and arteriosclerosis: historical perspectives
- Homocysteine and heart failure: a review of investigations from the Framingham Heart Study
- Homocysteine and vascular disease in diabetes: a double hit?
- Reduced adenosine receptor stimulation as a pathogenic factor in hyperhomocysteinemia
- Effects of homocysteine on vascular and tissue adenosine: a stake in homocysteine pathogenicity?
- Anti-N-homocysteinylated protein autoantibodies and cardiovascular disease
- Carotid narrowing degree and plasma thiol levels in carotid endarterectomy patients
- Impairment of homocysteine metabolism in patients with retinal vascular occlusion and non-arteritic ischemic optic neuropathy
- Hyperhomocysteinaemia in chronic kidney disease: focus on transmethylation
- Hyperhomocysteinemia and macromolecule modifications in uremic patients
- Hyperhomocysteinemia and response of methionine cycle intermediates to vitamin treatment in renal patients
- Vitamin B12 deficiency is the dominant nutritional cause of hyperhomocysteinemia in a folic acid-fortified population
- Homocysteine, folic acid and vitamin B12 in relation to pre- and postnatal health aspects
- Evaluation of the technical performance of novel holotranscobalamin (holoTC) assays in a multicenter European demonstration project
- A laboratory algorithm with homocysteine as the primary parameter reduces the cost of investigation of folate and cobalamin deficiency
- Betaine: a key modulator of one-carbon metabolism and homocysteine status
- Molecular targeting by homocysteine: a mechanism for vascular pathogenesis
- Anti-inflammatory compound resveratrol suppresses homocysteine formation in stimulated human peripheral blood mononuclear cells in vitro
- Homocysteine in relation to cognitive performance in pathological and non-pathological conditions
- Homocysteine and B vitamins in mild cognitive impairment and dementia
- Homocysteine, type 2 diabetes mellitus, and cognitive performance: The Maine-Syracuse Study
- Plasma homocysteine levels in L-dopa-treated Parkinson's disease patients with cognitive dysfunctions
- Homocysteine – a newly recognised risk factor for osteoporosis
- Relation between homocysteine and biochemical bone turnover markers and bone mineral density in peri- and post-menopausal women
- Elevated levels of asymmetric dimethylarginine (ADMA) as a marker of cardiovascular disease and mortality
- Measurement of asymmetric dimethylarginine in plasma: methodological considerations and clinical relevance
- Concentrations of homocysteine, related metabolites and asymmetric dimethylarginine in preeclamptic women with poor nutritional status
- Asymmetric dimethylarginine, homocysteine and renal function – is there a relation?
- Interactions between folate and aging for carcinogenesis
- The potential cocarcinogenic effect of vitamin B12 deficiency
- The vegetarian lifestyle and DNA methylation
Artikel in diesem Heft
- Homocysteine research – where do we stand and where are we going?
- Hyperhomocysteinemia and arteriosclerosis: historical perspectives
- Homocysteine and heart failure: a review of investigations from the Framingham Heart Study
- Homocysteine and vascular disease in diabetes: a double hit?
- Reduced adenosine receptor stimulation as a pathogenic factor in hyperhomocysteinemia
- Effects of homocysteine on vascular and tissue adenosine: a stake in homocysteine pathogenicity?
- Anti-N-homocysteinylated protein autoantibodies and cardiovascular disease
- Carotid narrowing degree and plasma thiol levels in carotid endarterectomy patients
- Impairment of homocysteine metabolism in patients with retinal vascular occlusion and non-arteritic ischemic optic neuropathy
- Hyperhomocysteinaemia in chronic kidney disease: focus on transmethylation
- Hyperhomocysteinemia and macromolecule modifications in uremic patients
- Hyperhomocysteinemia and response of methionine cycle intermediates to vitamin treatment in renal patients
- Vitamin B12 deficiency is the dominant nutritional cause of hyperhomocysteinemia in a folic acid-fortified population
- Homocysteine, folic acid and vitamin B12 in relation to pre- and postnatal health aspects
- Evaluation of the technical performance of novel holotranscobalamin (holoTC) assays in a multicenter European demonstration project
- A laboratory algorithm with homocysteine as the primary parameter reduces the cost of investigation of folate and cobalamin deficiency
- Betaine: a key modulator of one-carbon metabolism and homocysteine status
- Molecular targeting by homocysteine: a mechanism for vascular pathogenesis
- Anti-inflammatory compound resveratrol suppresses homocysteine formation in stimulated human peripheral blood mononuclear cells in vitro
- Homocysteine in relation to cognitive performance in pathological and non-pathological conditions
- Homocysteine and B vitamins in mild cognitive impairment and dementia
- Homocysteine, type 2 diabetes mellitus, and cognitive performance: The Maine-Syracuse Study
- Plasma homocysteine levels in L-dopa-treated Parkinson's disease patients with cognitive dysfunctions
- Homocysteine – a newly recognised risk factor for osteoporosis
- Relation between homocysteine and biochemical bone turnover markers and bone mineral density in peri- and post-menopausal women
- Elevated levels of asymmetric dimethylarginine (ADMA) as a marker of cardiovascular disease and mortality
- Measurement of asymmetric dimethylarginine in plasma: methodological considerations and clinical relevance
- Concentrations of homocysteine, related metabolites and asymmetric dimethylarginine in preeclamptic women with poor nutritional status
- Asymmetric dimethylarginine, homocysteine and renal function – is there a relation?
- Interactions between folate and aging for carcinogenesis
- The potential cocarcinogenic effect of vitamin B12 deficiency
- The vegetarian lifestyle and DNA methylation
