Published in Clin Chem on January 01, 1987
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Low plasma vitamin B12 in pregnancy is associated with gestational 'diabesity' and later diabetes. Diabetologia (2009) 1.37
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Minimum effective dose of folic acid for food fortification to prevent neural-tube defects. Lancet (1997) 4.11
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Translocation as a species conservation tool: status and strategy. Science (1989) 3.31
Maternal plasma folate and vitamin B12 are independent risk factors for neural tube defects. Q J Med (1993) 2.69
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Congenital toxoplasmosis: a prospective survey in the West of Scotland. J Infect (1981) 2.52
Microbiological assay for serum, plasma, and red cell folate using cryopreserved, microtiter plate method. Methods Enzymol (1997) 2.40
Importance of both folic acid and vitamin B12 in reduction of risk of vascular disease. Lancet (2002) 2.25
Thermolabile variant of 5,10-methylenetetrahydrofolate reductase associated with low red-cell folates: implications for folate intake recommendations. Lancet (1997) 2.10
A genetic defect in 5,10 methylenetetrahydrofolate reductase in neural tube defects. QJM (1995) 2.05
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Placental insufficiency and the small-for-dates baby. Am J Obstet Gynecol (1972) 1.72
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Selective inhibition of inducible nitric oxide synthase inhibits tumor growth in vivo: studies with 1400W, a novel inhibitor. Cancer Res (1997) 1.71
Status and prospects for success of the endangered species act: a look at recovery plans. Science (1993) 1.68
Vitamin B12 and folate deficiency in later life. Age Ageing (2004) 1.67
An improved serodiagnostic procedure for visceral leishmaniasis. Am J Trop Med Hyg (1990) 1.61
Elevated plasma homocysteine in early pregnancy: a risk factor for the development of severe preeclampsia. Am J Obstet Gynecol (2001) 1.55
Localisation of the vaso-motor centre. J Physiol (1923) 1.51
The relationship between increased folate catabolism and the increased requirement for folate in pregnancy. BJOG (2000) 1.42
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Methylenetetrahydrofolate reductase thermolabile variant and oral clefts. Am J Med Genet (1999) 1.37
The elucidation of the mechanism of folate catabolism in the rat. Biochem Biophys Res Commun (1976) 1.34
The part played by the ala cinerea in vaso-motor reflexes. J Physiol (1925) 1.25
Pathogenesis of subacute combined degeneration: a result of methyl group deficiency. Lancet (1981) 1.25
Complex interactions with several arms of the complement system dictate innate and humoral immunity to adenoviral vectors. Gene Ther (2008) 1.21
Plasma homocysteine, a risk factor for cardiovascular disease, is lowered by physiological doses of folic acid. QJM (1997) 1.21
Use of beta-lactamase to hydrolyse interfering antibiotics in vitamin B12 microbiological assay using Lactobacillus leichmannii. Clin Lab Haematol (1990) 1.18
Identification of a new vitamin B 12 binder (transcobalamin 3) in normal human serum. Br J Haematol (1972) 1.18
Homocysteine and cardiovascular risk. Am J Clin Nutr (2000) 1.13
Trouble-free microbiologic serum and red cell folate assays. Am J Med Technol (1974) 1.13
Mechanism of choline O-sulphate utilization in fungi. Biochem J (1968) 1.13
Are common mutations of cystathionine beta-synthase involved in the aetiology of neural tube defects? Clin Genet (1997) 1.13
Betaine-homocysteine methyltransferase: organ distribution in man, pig and rat and subcellular distribution in the rat. Clin Sci (Lond) (1991) 1.11
Whole-blood folate values in subjects with different methylenetetrahydrofolate reductase genotypes: differences between the radioassay and microbiological assays. Clin Chem (1998) 1.10
Wild-type adenoviruses from groups A-F evoke unique innate immune responses, of which HAd3 and SAd23 are partially complement dependent. Gene Ther (2008) 1.10
A comparison of serum folate estimations using two different methods. J Clin Pathol (1973) 1.10
Characterization of a membrane antigen of Leishmania amazonensis that stimulates human immune responses. J Immunol (1991) 1.09
Oedema of the umbilical cord and respiratory distress in the newborn. Br J Obstet Gynaecol (1975) 1.08
Monozygous anencephalic triplets--a case report. J Obstet Gynaecol Br Commonw (1966) 1.04
Loss of ribosomal protein L11 blocks stress activation of the Bacillus subtilis transcription factor sigma(B). J Bacteriol (2001) 1.03
Drug-induced megaloblastic change. Clin Haematol (1980) 1.03
Effect of bile on vitamin B12 absorption. Br Med J (1980) 1.01
Studies on derivation of transcobalamin 3 from granulocytes. Enhancement by lithium and elimination by fluoride of in vitro increments in vitamin B12-binding capacity. J Clin Invest (1974) 0.99
Brain function in the elderly: role of vitamin B12 and folate. Br Med Bull (1999) 0.99
Immunosuppression in bovine trypanosomiasis: field studies using foot-and-mouth disease vaccine and clostridial vaccine. Trop Anim Health Prod (1977) 0.98
The biochemical basis of the neuropathy in cobalamin deficiency. Baillieres Clin Haematol (1995) 0.98
Low-dose vitamin B-6 effectively lowers fasting plasma homocysteine in healthy elderly persons who are folate and riboflavin replete. Am J Clin Nutr (2001) 0.98
Accelerated folate breakdown in pregnancy. Lancet (1993) 0.97
Low blood folates in NTD pregnancies are only partly explained by thermolabile 5,10-methylenetetrahydrofolate reductase: low folate status alone may be the critical factor. Am J Med Genet (1998) 0.96
In vitro responses to Leishmania antigens by lymphocytes from patients with leishmaniasis or Chagas' disease. J Clin Invest (1990) 0.96
A conserved domain in Escherichia coli Lon protease is involved in substrate discriminator activity. J Bacteriol (1999) 0.96
Human bone marrow biochemical function and megaloblastic hematopoiesis after nitrous oxide anesthesia. Anesthesiology (1981) 0.95
Methylation deficiency causes vitamin B12-associated neuropathy in the pig. J Neurochem (1988) 0.95
Folate metabolism, the enterohepatic circulation and alcohol. Biochem Pharmacol (1985) 0.94
Regulation of choline sulphatase synthesis and activity in Aspergillus nidulans. Biochem J (1968) 0.94
Anaemia of pregnancy: the changing postwar pattern. Br Med J (1975) 0.94
Transcobalamin II receptor polymorphisms are associated with increased risk for neural tube defects. J Med Genet (2010) 0.93
Two new serotypes of Pasteurella haemolytica from sheep in Ethiopia. Trop Anim Health Prod (1979) 0.92
The identification of pteroylpentaglutamate as the major folate derivative in rat liver and the demonstration of its biosynthesis from exogenous ( 3 H) pteroylglutamate. Biochem Biophys Res Commun (1972) 0.92
Plasma homocysteine is not subject to seasonal variation. Clin Chem (2001) 0.92
The effect of ethanol on one-carbon metabolism: increased methionine catabolism and lipotrope methyl-group wastage. Hepatology (1993) 0.92
Field-study screening of blood folate concentrations: specimen stability and finger-stick sampling. Am J Clin Nutr (1997) 0.92
Immunosuppression in bovine trypanosomiasis: studies with louping-ill vaccine. Res Vet Sci (1979) 0.92
Further studies on the umbilical cord and its water content. J Clin Pathol (1978) 0.91
Folate composition, synthesis and function in natural materials. Clin Haematol (1976) 0.91
A new high performance liquid chromatographic method for the simultaneous measurement of S-adenosylmethionine and S-adenosylhomocysteine. Concentrations in pig tissues after inactivation of methionine synthase by nitrous oxide. Biomed Chromatogr (1990) 0.91
Folates and prevention of disease. Public Health Nutr (2001) 0.91
Relative roles of signals upstream of AAUAAA and promoter proximity in regulation of human immunodeficiency virus type 1 mRNA 3' end formation. Mol Cell Biol (1992) 0.90
The absorption of the diastereoisomers of 5-methyltetrahydropteroylglutamate in man: a carrier-mediated process. Clin Sci Mol Med (1973) 0.89
Low-dose folic acid lowers plasma homocysteine levels in women of child-bearing age. QJM (2002) 0.89
The prevention of neural tube defects. Curr Opin Obstet Gynecol (1998) 0.88
Maternal serum folate and vitamin B12 concentrations in pregnancies associated with neural tube defects. Arch Dis Child (1985) 0.88
Nutritional stability of various naturally occurring monoglutamate derivatives of folic acid. Am J Clin Nutr (1975) 0.88
Erythrocyte, plasma, and serum folate: specimen stability before microbiological assay. Clin Chem (1980) 0.87
Folate and clefts of the lip and palate--a U.K.-based case-control study: Part II: Biochemical and genetic analysis. Cleft Palate Craniofac J (2007) 0.87
A case of listeriosis of the newborn. J Med Microbiol (1968) 0.87
The identification of the products of folate catabolism in the rat. Br J Haematol (1978) 0.87
Homocysteine and neural tube defects. J Nutr (1996) 0.86
Choline transport into rat liver mitochondria. Characterization and kinetics of a specific transporter. J Biol Chem (1992) 0.86
Thin-layer chromatography of pteroylglutamates and related compounds. Application to transport and metabolism of reduced folates in blood. J Chromatogr (1973) 0.86
Association between historically high frequencies of neural tube defects and the human T homologue of mouse T (Brachyury). Am J Med Genet (2000) 0.85
Ingestion and absorption of naturally occurring pteroylmonoglutamates (folates) in man. Gastroenterology (1973) 0.85
The effect of vitamin B12 inhibition in vivo: impaired folate polyglutamate biosynthesis indicating that 5-methyltetrahydropteroylglutamate is not its usual substrate. Biochem Biophys Res Commun (1978) 0.85
Cobalt-vitamin B12 deficiency causes accumulation of odd-numbered, branched-chain fatty acids in the tissues of sheep. Br J Nutr (1994) 0.85
The identification of the forms of folate found in the liver, kidney and intestine of the monkey and their biosynthesis from exogenous pteroylglutamate (folic acid). Biochim Biophys Acta (1974) 0.85
Methionine synthase: high-resolution mapping of the human gene and evaluation as a candidate locus for neural tube defects. Mol Genet Metab (1999) 0.84
Effect of riboflavin supplementation on plasma homocysteine in elderly people with low riboflavin status. Eur J Clin Nutr (2002) 0.84
Sterile microenvironment in prevention of wound infection. Br Med J (Clin Res Ed) (1982) 0.84
Evidence of brain methyltransferase inhibition and early brain involvement in HIV-positive patients. Lancet (1991) 0.84
Levels in normal, pathological, and foetal sera of the three transcobalamins. Ir J Med Sci (1973) 0.83
Postgraduate Symposium: The MTHFR C677T polymorphism, B-vitamins and blood pressure. Proc Nutr Soc (2009) 0.83
The association-dissociation of formyltetrahydrofolate synthetase and its relation to monovalent cation activation of catalytic activity. Biochem Biophys Res Commun (1967) 0.83
Fluctuations in dietary methionine intake do not alter plasma homocysteine concentration in healthy men. J Nutr (2000) 0.83