Assessing the association between the methylenetetrahydrofolate reductase (MTHFR) 677C>T polymorphism and blood folate concentrations: a systematic review and meta-analysis of trials and observational studies

The use of Blood Concentrations of Vitamins and their Respective Functional Indicators to Define Folate and Vitamin B12 Status

(2015) Jacob Selhub et al.   FOOD AND NUTRITION BULLETIN

“Polymorphisms in folate metabolism genes as maternal risk factor for neural tube defects: an updated meta-analysis”

(2014) Upendra Yadav et al.   METABOLIC BRAIN DISEASE

Population red blood cell folate concentrations for prevention of neural tube defects: bayesian model

(2014) K. S. Crider et al.   BMJ-British Medical Journal

Severe experimental folate deficiency in a human subject – a longitudinal study of biochemical and haematological responses as megaloblastic anaemia develops

(2014) Paul Golding   SpringerPlus

Folic Acid for the Prevention of Neural Tube Defects: U.S. Preventive Services Task Force Recommendation Statement

(2013)   ANNALS OF INTERNAL MEDICINE

Dietary Supplement Use and Smoking Are Important Correlates of Biomarkers of Water-Soluble Vitamin Status after Adjusting for Sociodemographic and Lifestyle Variables in a Representative Sample of U.S. Adults

(2013) Christine M. Pfeiffer et al.   JOURNAL OF NUTRITION

Ethnicity and Folate Influence Choline Status in Young Women Consuming Controlled Nutrient Intakes

(2013) Jean Hung et al.   JOURNAL OF THE AMERICAN COLLEGE OF NUTRITION

Genetic Variants in the Folate Pathway and the Risk of Neural Tube Defects: A Meta-Analysis of the Published Literature

(2013) Ti Zhang et al.   PLoS One

Prospective study of methylenetetrahydrofolate reductase (MTHFR) variant C677T and risk of all-cause and cardiovascular disease mortality among 6000 US adults

(2012) Quanhe Yang et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Transformations of summary statistics as input in meta-analysis for linear dose-response models on a logarithmic scale: a methodology developed within EURRECA

(2012) Olga W Souverein et al.   BMC Medical Research Methodology

Predicting the extent of heterogeneity in meta-analysis, using empirical data from the Cochrane Database of Systematic Reviews

(2012) Rebecca M Turner et al.   INTERNATIONAL JOURNAL OF EPIDEMIOLOGY

Blood Folate Concentrations Analyzed by Microbiological Assay and Chemiluminescent Immunoassay Methods

(2012) Mio NAKAZATO et al.   JOURNAL OF NUTRITIONAL SCIENCE AND VITAMINOLOGY

Association of the Maternal MTHFR C677T Polymorphism with Susceptibility to Neural Tube Defects in Offsprings: Evidence from 25 Case-Control Studies

(2012) Lifeng Yan et al.   PLoS One

Folate and DNA Methylation: A Review of Molecular Mechanisms and the Evidence for Folate's Role

(2012) Krista S. Crider et al.   Advances in Nutrition

MTHFR 677C→T genotype is associated with folate and homocysteine concentrations in a large, population-based, double-blind trial of folic acid supplementation

(2011) Krista S Crider et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Development of the RTI item bank on risk of bias and precision of observational studies

(2011) Meera Viswanathan et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Comparison of Serum and Red Blood Cell Folate Microbiologic Assays for National Population Surveys

(2011) Christine M. Pfeiffer et al.   JOURNAL OF NUTRITION

Effect modification by population dietary folate on the association between MTHFR genotype, homocysteine, and stroke risk: a meta-analysis of genetic studies and randomised trials

(2011) Michael V Holmes et al.   LANCET

A folate receptor alpha double-mutated haplotype 1816delC–1841A is distributed throughout Eurasia and associated with lower erythrocyte folate levels

(2011) Torbjörn K. Nilsson et al.   MOLECULAR BIOLOGY REPORTS

Folic Acid Food Fortification—Its History, Effect, Concerns, and Future Directions

(2011) Krista S. Crider et al.   Nutrients

Folate status of Ghanaian populations in London and Accra

(2009) Matilda Owusu et al.   BRITISH JOURNAL OF NUTRITION

[6S]-5-methyltetrahydrofolate increases plasma folate more effectively than folic acid in women with the homozygous or wild-type 677C→T polymorphism of methylenetetrahydrofolate reductase

(2009) R Prinz-Langenohl et al.   BRITISH JOURNAL OF PHARMACOLOGY

Preferred Reporting Items for Systematic Reviews and Meta-Analyses: The PRISMA Statement

(2009) David Moher et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY