J. Gregory

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Integrating the issues of folate bioavailability, intake and metabolism in the era of fortification

J. Gregory, E. Quinlivan, S. Davis, 2005 .

J. Gregory, A. Hanson, R. I. Díaz de la Garza, 2007, Proceedings of the National Academy of Sciences.

Does Abiotic Stress Cause Functional B Vitamin Deficiency in Plants?1[OPEN]

J. Gregory, A. Hanson, D. McCarty, 2016, Plant Physiology.

Methylenetetrahydrofolate reductase 677C-->T polymorphism affects DNA methylation in response to controlled folate intake in young women.

G. Kauwell, K. Shelnutt, D. Maneval, 2004, The Journal of nutritional biochemistry.

5-Formyltetrahydrofolate Is an Inhibitory but Well Tolerated Metabolite in Arabidopsis Leaves*

Y. Shachar-Hill, J. Gregory, E. Quinlivan, 2005, Journal of Biological Chemistry.

Biomarkers of Nutrition for Development-Folate Review.

M. Fenech, L. Bailey, H. McNulty, 2015, The Journal of nutrition.

Developmental and feedforward control of the expression of folate biosynthesis genes in tomato fruit.

Tariq A. Akhtar, R. McQuinn, J. Giovannoni, 2010, Molecular plant.

Elevated plasma cystathionine is associated with increased risk of mortality among patients with suspected or established coronary heart disease.

K. Bønaa, J. Gregory, P. Ueland, 2019, The American journal of clinical nutrition.

Bacterial and plant HAD enzymes catalyse a missing phosphatase step in thiamin diphosphate biosynthesis.

V. de Crécy-Lagard, J. Gregory, A. Hanson, 2016, The Biochemical journal.

15 Vitamins, Bioactive Food Compounds, and Histone Modifications

J. Gregory, J. Zempleni, P. Stover, 2013 .

Astronaut ophthalmic syndrome

Scott M Smith, J. Gregory, S. Zwart, 2017, FASEB journal : official publication of the Federation of American Societies for Experimental Biology.

In vivo kinetics of folate metabolism.

J. Gregory, E. Quinlivan, 2002, Annual review of nutrition.

In silico experimentation with a model of hepatic mitochondrial folate metabolism

H. Nijhout, C. Ulrich, M. Reed, 2006, Theoretical Biology and Medical Modelling.

Genotype, B‐vitamin status, and androgens affect spaceflight‐induced ophthalmic changes

Scott M Smith, M. Heer, J. Gregory, 2016, FASEB journal : official publication of the Federation of American Societies for Experimental Biology.

DNA digestion to deoxyribonucleoside: a simplified one-step procedure.

J. Gregory, E. Quinlivan, 2008, Analytical biochemistry.

Bioavailability of vitamin B-6.

J. Gregory, 1997, European journal of clinical nutrition.

Biomarkers of folate status in NHANES : a roundtable summary 1 – 6

L. Curtin, J. Massaro, C. Sempos, 2011 .

Biomarkers of folate status in NHANES: a roundtable summary123456

L. Curtin, J. Massaro, C. Sempos, 2011, The American journal of clinical nutrition.

Stable-isotope methods for assessment of folate bioavailability.

L. Bailey, J. Toth, J. Gregory, 1990, The American journal of clinical nutrition.

Vitamin B6

J. Gregory, Vanessa R da Silva, 2020, Present Knowledge in Nutrition.

Vitamin B-6 restriction impairs fatty acid synthesis in cultured human hepatoma (HepG2) cells.

J. Gregory, S. J. James, T. Garrett, 2013, American journal of physiology. Endocrinology and metabolism.

Vitamin B-6 restriction impairs fatty acid synthesis in cultured human hepatoma ( HepG 2 ) cells

J. Gregory, S. J. James, T. Garrett, 2013 .

Marginal vitamin B-6 deficiency decreases plasma (n-3) and (n-6) PUFA concentrations in healthy men and women.

J. Gregory, C. Newgard, Y. Lamers, 2012, The Journal of nutrition.

Dietary vitamin B-6 restriction does not alter rates of homocysteine remethylation or synthesis in healthy young women and men.

J. Gregory, E. Quinlivan, S. Davis, 2005, The American journal of clinical nutrition.

Vitamin B-6 deficiency in rats reduces hepatic serine hydroxymethyltransferase and cystathionine beta-synthase activities and rates of in vivo protein turnover, homocysteine remethylation and transsulfuration.

J. Toth, J. Gregory, J. Williamson, 2000, The Journal of nutrition.

Metabolism of the Folate Precursor p-Aminobenzoate in Plants

J. Gregory, A. Hanson, D. Bowles, 2008, Journal of Biological Chemistry.

Folate bioavailability: UK Food Standards Agency workshop report

P. Finglas, H. McNulty, J. Gregory, 2003, British Journal of Nutrition.

Differential kinetic behavior and distribution for pteroylglutamic acid and reduced folates: a revised hypothesis of the primary site of PteGlu metabolism in humans.

P. Finglas, J. Gregory, D. Hart, 2005, The Journal of nutrition.

Evidence That COG0325 Proteins are involved in PLP Homeostasis.

Katherine J. Harrison, O. Fiehn, V. de Crécy-Lagard, 2016, Microbiology.

Redesigning thiamin synthesis: Prospects and potential payoffs.

Thomas D. Niehaus, J. Gregory, A. Hanson, 2018, Plant science : an international journal of experimental plant biology.

Rethinking the PDH Bypass and GABA Shunt as Thiamin-Deficiency Workarounds1[OPEN]

O. Fiehn, J. Joshi, J. Gregory, 2019, Plant Physiology.

Rethinking the GABA Shunt and PDH Bypass as Thiamin-Deficiency Workarounds.

O. Fiehn, J. Joshi, J. Gregory, 2019, Plant physiology.

14 Ascorbic Acid

J. Gregory, C. Johnston, J. Zempleni, 2013 .

Folate is absorbed across the colon of adults: evidence from cecal infusion of (13)C-labeled [6S]-5-formyltetrahydrofolic acid.

N. Marcon, J. Gregory, P. Pencharz, 2009, The American journal of clinical nutrition.

Calcium and vitamin D intakes and blood pressure

J. Gregory, 2001 .

Folate Synthesis and Metabolism in Plants and Prospects For Biofortification

J. Gregory, E. Quinlivan, A. Hanson, 2005 .

Metabolite profile analysis reveals functional effects of 28-day vitamin B-6 restriction on one-carbon metabolism and tryptophan catabolic pathways in healthy men and women.

J. Gregory, E. Quinlivan, P. Ueland, 2013, The Journal of nutrition.

Comparative genomics and functional analysis of the NiaP family uncover nicotinate transporters from bacteria, plants, and mammals

A. Osterman, J. Gregory, D. Rodionov, 2011, Functional & Integrative Genomics.

Higher Plant Plastids and Cyanobacteria Have Folate Carriers Related to Those of Trypanosomatids*

J. Gregory, S. Ravanel, F. Rébeillé, 2005, Journal of Biological Chemistry.

Excess on Cancer-Related Biomarkers Mathematical Modeling Predicts the Effect of Folate Deficiency and Updated

H. Nijhout, C. Ulrich, M. Reed, 2011 .

Long-term supplementation with folic acid and vitamin B-12 has no effect on circulating uric acid concentrations in Norwegian patients with coronary artery disease.

J. Gregory, O. Nygård, J. Dierkes, 2018, The American journal of clinical nutrition.

Enzymatic Hydrolysis of Pyridoxine-5′-β-d-glucoside Is Catalyzed by Intestinal Lactase-Phlorizin Hydrolase*

J. Gregory, A. Mackey, G. Henderson, 2002, The Journal of Biological Chemistry.

Cytosolic Pyridoxine-β-d-Glucoside Hydrolase from Porcine Jejunal Mucosa

J. Gregory, L. G. McMahon, H. Nakano, 1997, The Journal of Biological Chemistry.

Cytosolic pyridoxine-beta-D-glucoside hydrolase from porcine jejunal mucosa. Purification, properties, and comparison with broad specificity beta-glucosidase.

J. Gregory, L. G. McMahon, H. Nakano, 1997, The Journal of biological chemistry.

Effect of dietary selenium on the metabolism of aflatoxin B1 in turkeys.

J. Gregory, G. T. Edds, 1984, Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association.

Evidence that the metabolite repair enzyme NAD(P)HX epimerase has a moonlighting function

Thomas D. Niehaus, O. Fiehn, V. de Crécy-Lagard, 2018, Bioscience reports.

Comparison of pteroylpolyglutamate hydrolase (folate conjugase) from porcine and human intestinal brush border membrane.

J. Gregory, J. Cerda, S. Ink, 1987, Comparative biochemistry and physiology. B, Comparative biochemistry.

Improved synthesis of [3',5'-2H2]folic acid : extent and specificity of deuterium labeling

J. Gregory, 1990 .

Folate catabolism in pregnant and nonpregnant women with controlled folate intakes.

L. Bailey, A. Hutson, J. Gregory, 1998, The Journal of nutrition.

Folate status response to controlled folate intake in pregnant women.

L. Bailey, A. Hutson, J. Gregory, 1997, The Journal of nutrition.

Uptake, Hydrolysis, and Metabolism of Pyridoxine-5′-β-d-Glucoside in Caco-2 Cells

J. Gregory, A. Mackey, R. Mcmahon, 2004 .

Short-Term Vitamin B-6 Restriction Does Not Affect Plasma Concentrations of Hydrogen Sulfide Biomarkers Lanthionine and Homolanthionine in Healthy Men and Women.

J. Gregory, Maria A. Ralat, Barbara N DeRatt, 2015, The Journal of nutrition.

Vitamin B-6 restriction reduces the production of hydrogen sulfide and its biomarkers by the transsulfuration pathway in cultured human hepatoma cells.

J. Gregory, R. Banerjee, O. Kabil, 2014, The Journal of nutrition.

Kinetics of folate and one-carbon metabolism

J. Gregory, Y. Lamers, V. Silva, 2009 .

Hydrolytic activity toward pyridoxine-5'-beta-D-glucoside in rat intestinal mucosa is not increased by vitamin B-6 deficiency: effect of basal diet composition and pyridoxine intake.

J. Gregory, A. Mackey, Siam O Lieu, 2003, The Journal of nutrition.

Nutritional Properties and significance of vitamin glycosides.

J. Gregory, 1998, Annual review of nutrition.

Dietary vitamin B6 effects on the distribution of intestinal mucosal and microbial β-glucosidase activities toward pyridoxine-5′-β-d-glucoside in the guinea pig☆☆☆

W. G. Martin, J. Gregory, D. Porter, 1994 .

Intestinal β-glucosidase activity is not induced by chronic ingestion of pyridoxine-β-D-glucoside in rats

J. Gregory, M. A. Banks, 1991 .

Hydrolysis of Pyridoxine-5′-β-d-Glucoside by a Broad-Specificity β-Glucosidase from Mammalian Tissues 1

J. Gregory, P. Trumbo, M. A. Banks, 1990, Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine.

Thermal Stability of Folic Acid and 5‐Methyltetrahydrofolic Acid in Liquid Model Food Systems

J. Gregory, B. Day, 1983 .

Controlled dietary folate affects folate status in nonpregnant women.

L. Bailey, J. Gregory, J. Cerda, 1995, The Journal of nutrition.

Ascorbic acid bioavailability in foods and supplements.

J. Gregory, 2009, Nutrition reviews.

Glycine turnover and decarboxylation rate quantified in healthy men and women using primed, constant infusions of [1,2-(13)C2]glycine and [(2)H3]leucine.

J. Gregory, Y. Lamers, P. Stacpoole, 2007, The Journal of nutrition.

Vitamin B-6 Deﬁciency in Rats Reduces Hepatic Serine Hydroxymethyltransferase and Cystathionine b -Synthase Activities and Rates of In Vivo Protein Turnover, Homocysteine Remethylation and Transsulfuration 1,2

J. Toth, J. Gregory, G. Cuskelly, 2000 .

Urinary excretion of [2H4]folate by nonpregnant women following a single oral dose of [2H4]folic acid is a functional index of folate nutritional status.

L. Bailey, J. Toth, J. Gregory, 1998, The Journal of nutrition.

Urinary Excretion of [ 2 H 4 ] Folate by Nonpregnant Women Following a Single Oral Dose of [ 2 H 4 ] Folic Acid Is a Functional Index of Folate Nutritional Status 1 , 2

L. Bailey, J. Toth, J. Gregory, 1998 .

Recent Advances in Nutritional Science Folate Metabolism and Requirements 1 , 2

L. Bailey, J. Gregory, 1999 .

Nutrient-Gene Interactions Methionine Synthase Reductase 66A3G Polymorphism Is Associated with Increased Plasma Homocysteine Concentration When Combined with the Homozygous Methylenetetrahydrofolate Reductase 677C3T Variant

G. Kauwell, K. Shelnutt, D. Maneval, 2004 .

B-vitamin deficiency is protective against DSS-induced colitis in mice.

B. Stoll, S. Chacko, D. Burrin, 2011, American journal of physiology. Gastrointestinal and liver physiology.

colitis in mice B-vitamin deficiency is protective against DSS-induced

B. Stoll, S. Chacko, D. Burrin, 2011 .

Vitamins Does Abiotic Stress Cause Functional B Vitamin De fi ciency in Plants ? 1 [ OPEN ]

J. Gregory, A. Hanson, D. McCarty, 2016 .

A central role for gamma-glutamyl hydrolases in plant folate homeostasis.

Tariq A. Akhtar, M. Bennett, J. Gregory, 2010, The Plant journal : for cell and molecular biology.

Improved methods for the preparation of [3H]folate polyglutamates: biosynthesis with Lactobacillus casei and enzymatic synthesis with Escherichia coli folylpolyglutamate synthetase.

J. Gregory, A. Hanson, V. Naponelli, 2007, Analytical biochemistry.

Tomato γ-Glutamylhydrolases: Expression, Characterization, and Evidence for Heterodimer Formation1[W][OA]

Tariq A. Akhtar, R. McQuinn, J. Giovannoni, 2008, Plant Physiology.

Identification and quantification of pyridoxine .beta.-glucoside as a major form of vitamin B6 in plant-derived foods

J. Gregory, S. Ink, 1987 .

Chemical synthesis of deuterated folate monoglutamate and in vivo assessment of urinary excretion of deuterated folates in man.

J. Toth, J. Gregory, J. F. Gregory, 1988, Analytical biochemistry.

Properties of pteroylpolyglutamate hydrolase in pancreatic juice of the pig.

J. Gregory, A. M. Merritt, S. D. Bhandari, 1990, Journal of NutriLife.

Characterization of the folate salvage enzyme p-aminobenzoylglutamate hydrolase in plants.

J. Gregory, A. Hanson, G. Bozzo, 2008, Phytochemistry.

Activities of hepatic cytosolic and mitochondrial forms of serine hydroxymethyltransferase and hepatic glycine concentration are affected by vitamin B-6 intake in rats.

J. Gregory, A. Mackey, J. Scheer, 2005, The Journal of nutrition.

Tomato g -Glutamyl Hydrolases: Expression, Characterization, and Evidence for Heterodimer Formation

Tariq A. Akhtar, R. McQuinn, J. Giovannoni, 2008 .

Adequacy of extraction techniques for determination of folate in foods and other biological materials

J. Gregory, S. Gustafson, R. Engelhardt, 1990 .

Enzymatic deconjugation of erythrocyte polyglutamyl folates during preparation for folate assay: investigation with reversed-phase liquid chromatography.

J. Gregory, C. Pfeiffer, 1996, Clinical chemistry.

Enzymaticdeconjugationof erythrocyte polyglutamylfolates during preparationfor folate assay:investigationwith reversed-phaseliquid chromatography

J. Gregory, C. Pfeiffer, 1996 .

Activity of Pyridoxamine as a Substrate for Brain Pyridoxal Kinase

J. Gregory, 1980, Journal of neurochemistry.

Effect of Dietary Fiber on Absorption of B-6 Vitamers in a Rat Jejunal Perfusion Study 1

J. Gregory, J. Cerda, L. Nguyen, 1983, Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine.

In Vitro Binding of Vitamin B‐6 by Selected Polysaccharides, Lignin, and Wheat Bran

J. Gregory, J. Cerda, L. Nguyen, 1981 .

Plasma Glycine and Risk of Acute Myocardial Infarction in Patients With Suspected Stable Angina Pectoris

J. Gregory, P. Ueland, G. Tell, 2015, Journal of the American Heart Association.

Characterization of Cystathionine Beta‐Synthase and Cystathionine Gamma‐Lyase in the Production of Hydrogen Sulfide Biomarkers, Lanthionine and Homolanthionine, in a HepG2 Cell Culture Model

J. Gregory, Maria A. Ralat, Barbara N DeRatt, 2016 .

Moderate vitamin B-6 restriction does not alter postprandial methionine cycle rates of remethylation, transmethylation, and total transsulfuration but increases the fractional synthesis rate of cystathionine in healthy young men and women.

J. Gregory, E. Quinlivan, Y. Lamers, 2011, The Journal of nutrition.

Moderate dietary vitamin B-6 restriction raises plasma glycine and cystathionine concentrations while minimally affecting the rates of glycine turnover and glycine cleavage in healthy men and women.

J. Gregory, E. Quinlivan, C. Newgard, 2009, The Journal of nutrition.

Chemical Changes of Vitamins during Food Processing

J. Gregory, 1985 .

Incomplete Utilization of Pyridoxine-β-Glucoside as Vitamin B-6 in the Rat

J. Gregory, P. Trumbo, D. Sartain, 1988 .

Degradation and Binding to Food Proteins of Vitamin B‐6 Compounds During Thermal Processing

J. Gregory, S. Ink, D. Sartain, 1986 .

Determination of vitamin B-6 in foods and other biological materials by paired-ion high-performance liquid chromatography

J. Gregory, D. Feldstein, 1985 .

Relative activity of the nonphosphorylated B-6 vitamers for Saccharomyces uvarum and Kloeckera brevis in vitamin B-6 microbiological assay.

J. Gregory, 1982, The Journal of nutrition.

Determination of vitamin B-6 in animal tissues by reverse-phase high-performance liquid chromatography.

J. Gregory, J. Kirk, D. Manley, 1981, Journal of agricultural and food chemistry.

Determination of pyridoxal 5'-phosphate as the semicarbazone derivative using high-performance liquid chromatography.

J. Gregory, 1980, Analytical biochemistry.

INTERACTION OF PYRIDOXAL AND PYRIDOXAL PHOSPHATE WITH PEPTIDES IN A MODEL FOOD SYSTEM DURING THERMAL PROCESSING

J. Gregory, J. Kirk, 1977 .

IMPROVED CHROMATOGRAPHIC SEPARATION AND FLUOROMETRIC DETERMINATION OF VITAMIN B6 COMPOUNDS IN FOODS

J. Gregory, J. Kirk, 1977 .

Arabidopsis 10-Formyl Tetrahydrofolate Deformylases Are Essential for Photorespiration[W][OA]

Andrew D Hanson, Yair Shachar-Hill, Y. Shachar-Hill, 2008, The Plant Cell Online.

A directed-overflow and damage-control N-glycosidase in riboflavin biosynthesis.

Bing Wang, James G. Jeffryes, James G Jeffryes, 2015, The Biochemical journal.

Preparation of nonlabeled, tritiated, and deuterated pyridoxine 5'-beta-D-glucoside and assay of pyridoxine-5'-beta-D-glucoside hydrolase.

J. Gregory, H. Nakano, 1997, Methods in enzymology.

Global hypothesis testing for high‐dimensional repeated measures outcomes

Yueh-Yun Chi, Keith E Muller, J. Gregory, 2012, Statistics in medicine.

Circulating B-Vitamins and Smoking Habits Are Associated with Serum Polyunsaturated Fatty Acids in Patients with Suspected Coronary Heart Disease: A Cross-Sectional Study

C. Drevon, J. Gregory, P. Ueland, 2015, PloS one.

6 Riboflavin (Vitamin B )

J. Gregory, J. Zempleni, R. Rivlin, 2013 .

Improved chromatographic determination of free and glycosylated forms of vitamin B6 in foods

J. Gregory, D. Sartain, 1991 .

Methods for determination of vitamin B6foods and other biological materials: A critical review☆

J. Gregory, 1988 .

Determination of Vitamin B-6 Compounds by Semiautomated Continuous-Flow and Chromatographic Methods

J. Gregory, J. Kirk, 1981 .

Biomarkers of vitamin B-12 status in NHANES: a roundtable summary

L. Curtin, J. Massaro, C. Sempos, 2011, The American journal of clinical nutrition.

ASSESSMENT OF STORAGE EFFECTS ON VITAMIN B6 STABILITY AND BIOAVAILABILITY IN DEHYDRATED FOOD SYSTEMS

J. Gregory, J. Kirk, 1978 .

STORAGE STABILITY OF α‐TOCOPHEROL IN A DEHYDRATED MODEL FOOD SYSTEM CONTAINING NO FAT

J. Gregory, J. Kirk, W. A. Widicus, 1980 .

Dietary carbamazepine administration decreases liver pyruvate carboxylase activity and biotinylation by decreasing protein and mRNA expression in rats.

S. Eisenschenk, J. Gregory, R. Blanchard, 2003, The Journal of nutrition.

Folate status response to controlled folate intake is affected by the methylenetetrahydrofolate reductase 677C-->T polymorphism in young women.

G. Kauwell, K. Shelnutt, D. Maneval, 2003, The Journal of nutrition.

Folate catabolite excretion is responsive to changes in dietary folate intake in elderly women.

G. Kauwell, D. Theriaque, L. Bailey, 2003, The American journal of clinical nutrition.

Pharmacological biotin supplementation maintains biotin status and function in rats administered dietary carbamazepine.

J. Gregory, R. Mcmahon, S. Rathman, 2003, The Journal of nutrition.

Plasma glutathione and cystathionine concentrations are elevated but cysteine flux is unchanged by dietary vitamin B-6 restriction in young men and women.

J. Gregory, E. Quinlivan, S. Davis, 2006, The Journal of nutrition.

Nutrient-Nutrient Interactions Plasma Glutathione and Cystathionine Concentrations Are Elevated but Cysteine Flux Is Unchanged by Dietary Vitamin B-6 Restriction in Young Men and Women 1,2

J. Gregory, E. Quinlivan, S. Davis, 2005 .

Protocol for a Case-Control Study to Investigate the Association of Pellagra With Isoniazid Exposure During Tuberculosis Preventive Treatment Scale-Up in Malawi

J. Gregory, A. Jahn, A. Muula, 2020, Frontiers in Public Health.

Determination of urinary 4-pyridoxic acid using high performance liquid chromatography.

J. Gregory, J. Kirk, 1979, The American journal of clinical nutrition.

Urinary 4-pyridoxic acid excretion in 24-hour versus random urine samples as a measurement of vitamin B6 status in humans.

L. Bailey, J. Gregory, J. Cerda, 1984, The American journal of clinical nutrition.

Metabolomic Analysis Reveals Extended Metabolic Consequences of Marginal Vitamin B-6 Deficiency in Healthy Human Subjects

Dean P. Jones, Tamer Kahveci, S. Ranka, 2013, PloS one.

Direct and Functional Biomarkers of Vitamin B6 Status.

J. Gregory, P. Ueland, Ø. Midttun, 2015, Annual review of nutrition.

Biomarkers of Vitamin B 6 Status Per

J. Gregory, Ø. Midttun, A. Ulvik, 2015 .

Kinetics of folate turnover in pregnant women (second trimester) and nonpregnant controls during folic acid supplementation: stable-isotopic labeling of plasma folate, urinary folate and folate catabolites shows subtle effects of pregnancy on turnover of folate pools.

L. Bailey, J. Gregory, M. Caudill, 2001, The Journal of nutrition.

8 Pantothenic Acid

J. Gregory, J. Zempleni, P. Stover, 2013 .

Pyridoxine-5'-β-D-glucoside competitively inhibits uptake of vitamin B-6 into isolated rat liver cells

J. Gregory, D. B. Mccormick, Zoumin Zhang, 1993 .

Determination of Folate in Cereal-Grain Food Products Using Trienzyme Extraction and Combined Affinity and Reversed-Phase Liquid Chromatography

J. Gregory, C. Pfeiffer, L. Rogers, 1997 .

Folate biofortification in food plants.

M. Bennett, J. Gregory, S. Storozhenko, 2008, Trends in plant science.

Folate biosynthesis, turnover, and transport in plants.

J. Gregory, A. Hanson, 2011, Annual review of plant biology.

Plant gamma-glutamyl hydrolases and folate polyglutamates: characterization, compartmentation, and co-occurrence in vacuoles.

P. A. Rea, J. Gregory, A. Hanson, 2005, The Journal of biological chemistry.

A Nudix Enzyme Removes Pyrophosphate from Dihydroneopterin Triphosphate in the Folate Synthesis Pathway of Bacteria and Plants*

J. Gregory, J. Hugenholtz, A. Hanson, 2005, Journal of Biological Chemistry.

Folate synthesis in plants: the last step of the p-aminobenzoate branch is catalyzed by a plastidial aminodeoxychorismate lyase.

K. Shinozaki, J. Giovannoni, M. Seki, 2004, The Plant journal : for cell and molecular biology.

Folate biofortification in tomatoes by engineering the pteridine branch of folate synthesis.

J. Gregory, E. Quinlivan, A. Hanson, 2004, Proceedings of the National Academy of Sciences of the United States of America.

Folate synthesis in plants: The first step of the pterin branch is mediated by a unique bimodular GTP cyclohydrolase I

A. Bacher, J. Gregory, E. Quinlivan, 2002, Proceedings of the National Academy of Sciences of the United States of America.

Chemical and nutritional aspects of folate research: analytical procedures, methods of folate synthesis, stability, and bioavailability of dietary folates.

J. Gregory, 1989, Advances in food and nutrition research.

Long-term effect of low-dose folic acid intake: potential effect of mandatory fortification on the prevention of neural tube defects.

J. Gregory, A. Gray, M. Rose, 2011, The American journal of clinical nutrition.

Long-term effect of low-dose folic acid intake : potential effect of mandatory fortification on the prevention of neural tube defects 1 – 3

J. Gregory, A. Gray, M. Rose, 2011 .

Urinary excretion of folate catabolites responds to changes in folate intake more slowly than plasma folate and homocysteine concentrations and lymphocyte DNA methylation in postmenopausal women.

J. Gregory, R. Jacob, M. Swendseid, 2000, The Journal of nutrition.

Kinetic model of folate metabolism in nonpregnant women consuming [2H2]folic acid: isotopic labeling of urinary folate and the catabolite para-acetamidobenzoylglutamate indicates slow, intake-dependent, turnover of folate pools.

L. Bailey, J. Toth, J. Gregory, 1998, The Journal of nutrition.

Urinary excretion of deuterium-labeled folate and the metabolite p-aminobenzoylglutamate in humans.

L. Bailey, J. Toth, J. Gregory, 1993, The Journal of nutrition.

Folic Acid Metabolism In Health And Disease

E. Stokstad, J. Gregory, M. Picciano, 1990 .

Metabolite distribution and rate of residue clearance in turkeys fed a diet containing aflatoxin B1.

J. Gregory, G. T. Edds, S. Goldstein, 1983, Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association.

High performance liquid chromatographic determination of aflatoxins in animal tissues and products.

J. Gregory, D. Manley, 1981, Journal - Association of Official Analytical Chemists.

The Folate Precursor p-Aminobenzoate Is Reversibly Converted to Its Glucose Ester in the Plant Cytosol*

Y. Shachar-Hill, J. Gregory, E. Quinlivan, 2003, Journal of Biological Chemistry.

The analysis of folate and its metabolic precursors in biological samples.

J. Gregory, E. Quinlivan, A. Hanson, 2006, Analytical biochemistry.

Methodology for Nutrient Analysis

J. Gregory, 1988 .

Parts-Prospecting for a High-Efficiency Thiamin Thiazole Biosynthesis Pathway1[OPEN]

Jenelle A. Patterson, J. Joshi, J. Gregory, 2018, Plant Physiology.

Occurrence and Preclusion of Terpene Chlorohydrins in Citrus Essential Oils

J. Gregory, J. Pika, R. J. Braddock, 2003 .

Effect of Pulsed Ultraviolet Light and High Hydrostatic Pressure on the Antigenicity of Almond Protein Extracts

B. Welt, J. Gregory, A. Teixeira, 2013, Food and Bioprocess Technology.

Simultaneous analysis of ascorbic and dehydroascorbic acid by high-performance liquid chromatography with post column derivatization and UV absorbance

J. Gregory, M. Marshall, R. F. Matthews, 1986 .

Comparison of High Performance Liquid Chromatographic, Radiometric, and Lactobacillus casei Methods for the Determination of Folacin in Selected Foods

J. Gregory, B. Day, K. A. Ristow, 1982 .

3 Vitamin K

J. Gregory, J. Zempleni, P. Stover, 2013 .

ASSESSMENT OF ROASTING EFFECTS ON VITAMIN B6 STABILITY AND BIOAVAILABILITY IN DEH.YDRATED FOOD SYSTEMS

J. Gregory, J. Kirk, 1978 .

Ion chromatography for determining residual sulfite on shrimp.

W. S. Otwell, J. Gregory, M. Marshall, 1986 .

Role of Heme Proteins in Peroxidation of Milk Lipids

J. Gregory, J. Babish, W. Shipe, 1976 .

Pterin and Folate Salvage. Plants and Escherichia coli Lack Capacity to Reduce Oxidized Pterins1[OA]

J. Gregory, A. Hanson, V. Naponelli, 2007, Plant Physiology.

Determination of folypoly-γ-glutamate carboxypeptidase (folacin conjugase) activity using reversed-phase high-performance liquid chromatography

J. Gregory, B. Day, 1985 .

Biogenesis of Hydrogen Sulfide and Thioethers by Cystathionine Beta-Synthase.

J. Gregory, T. Majtan, J. Kraus, 2018, Antioxidants & redox signaling.

Homocysteine synthesis is elevated but total remethylation is unchanged by the methylenetetrahydrofolate reductase 677C->T polymorphism and by dietary folate restriction in young women.

K. Shelnutt, L. Bailey, J. Shuster, 2005, The Journal of nutrition.

The methylenetetrahydrofolate reductase 677C->T polymorphism and dietary folate restriction affect plasma one-carbon metabolites and red blood cell folate concentrations and distribution in women.

K. Shelnutt, D. Maneval, L. Bailey, 2005, The Journal of nutrition.

Folate is absorbed across the human colon: evidence by using enteric-coated caplets containing 13C-labeled [6S]-5-formyltetrahydrofolate.

J. Gregory, P. Pencharz, C. Pfeiffer, 2014, The American journal of clinical nutrition.

A mathematical model of tryptophan metabolism via the kynurenine pathway provides insights into the effects of vitamin B-6 deficiency, tryptophan loading, and induction of tryptophan 2,3-dioxygenase on tryptophan metabolites.

H. Nijhout, M. Reed, J. Gregory, 2013, The Journal of nutrition.

Synthesis and turnover of folates in plants.

J. Gregory, A. Hanson, 2002, Current opinion in plant biology.

The fate of [3H]folic acid in folate-adequate rats

J. Gregory, K. C. Scott, 1996 .

Absorption of folate from fortified cereal-grain products and of supplemental folate consumed with or without food determined by using a dual-label stable-isotope protocol.

L. Bailey, J. Gregory, C. Pfeiffer, 1997, The American journal of clinical nutrition.

Bioavailability of folate.

J. Gregory, 1997, European journal of clinical nutrition.

Bioavailability for humans of deuterium-labeled monoglutamyl and polyglutamyl folates is affected by selected foods.

L. Bailey, J. Toth, J. Gregory, 1996, The Journal of nutrition.

Moonlighting Glutamate Formiminotransferases Can Functionally Replace 5-Formyltetrahydrofolate Cycloligase*

V. de Crécy-Lagard, J. Gregory, A. Hanson, 2010, The Journal of Biological Chemistry.

Polymorphisms of methylenetetrahydrofolate reductase and other enzymes: metabolic significance, risks and impact on folate requirement.

J F Gregory, L. Bailey, J. Gregory, 1999, The Journal of nutrition.

The Bioavailability of Vitamin B6

J. Gregory, 1990, Annals of the New York Academy of Sciences.

Single oral doses of 13C forms of pteroylmonoglutamic acid and 5-formyltetrahydrofolic acid elicit differences in short-term kinetics of labelled and unlabelled folates in plasma: potential problems in interpretation of folate bioavailability studies

P. Finglas, J. Gregory, D. Hart, 2003, British Journal of Nutrition.

Intestinal brush border membrane catalyzes hydrolysis of pyridoxine-5'-beta-D-glucoside and exhibits parallel developmental changes of hydrolytic activities toward pyridoxine-5'-beta-D-glucoside and lactose in rats.

J. Gregory, A. Mackey, Linda J Armada, 2002, The Journal of nutrition.

Folic acid absorption in women with a history of pregnancy with neural tube defect.

L. Bailey, R. Stevenson, J. Toth, 1995, The American journal of clinical nutrition.

2 Vitamin D

J. Gregory, J. Zempleni, Wei Zheng, 2013 .

DNA methylation determination by liquid chromatography–tandem mass spectrometry using novel biosynthetic [U-15N]deoxycytidine and [U-15N]methyldeoxycytidine internal standards

J. Gregory, E. Quinlivan, 2008, Nucleic acids research.

Effect of food fortification on folic acid intake in the United States.

J. Gregory, E. Quinlivan, 2003, The American journal of clinical nutrition.

1 Vitamin A: Nutritional Aspects of Retinoids and Carotenoids

J. Gregory, J. Zempleni, P. Stover, 2013 .

FolX and FolM Are Essential for Tetrahydromonapterin Synthesis in Escherichia coli and Pseudomonas aeruginosa

Ian K. Blaby, V. de Crécy-Lagard, J. Gregory, 2009, Journal of bacteriology.

Vitamin B6 nutritional status and cellular availability of pyridoxal 5'-phosphate govern the function of the transsulfuration pathway's canonical reactions and hydrogen sulfide production via side reactions.

J. Gregory, P. Stacpoole, Luisa Rios‐Avila, 2016, Biochimie.

Determination of folacin derivatives in selected foods by high-performance liquid chromatography.

J. Gregory, B. Day, 1981, Journal of Agricultural and Food Chemistry.

Fluorometric determination of folacin in biological materials using high performance liquid chromatography.

J. Gregory, B. Day, D. Sartain, 1984, The Journal of nutrition.

Determination of folate bioavailability with a rat bioassay.

J. Gregory, A. R. Abad, 1987, The Journal of nutrition.

Functional analysis of folate polyglutamylation and its essential role in plant metabolism and development.

Tariq A. Akhtar, Nathaniel D Hawkins, M. Bennett, 2010, The Plant journal : for cell and molecular biology.

Modified fluorometric determination of vitamin A in milk.

J. Gregory, G. F. Senyk, W. Shipe, 1975, Journal of dairy science.

The bioavailability of vitamin B6 in foods.

J. Gregory, J. Kirk, 2009, Nutrition reviews.

Mathematical Modeling of Folate Metabolism: Predicted Effects of Genetic Polymorphisms on Mechanisms and Biomarkers Relevant to Carcinogenesis

H. Nijhout, C. Ulrich, M. Reed, 2008, Cancer Epidemiology Biomarkers & Prevention.

16 Vitamin–Genome Interactions

J. Gregory, J. Zempleni, P. Stover, 2013 .

Metabolomic Evaluation of the Consequences of Plasma Cystathionine Elevation in Adults with Stable Angina Pectoris.

J. Gregory, P. Ueland, Fariba Tayyari, 2017, The Journal of nutrition.

Tracer-derived total and folate-dependent homocysteine remethylation and synthesis rates in humans indicate that serine is the main one-carbon donor.

L. Bailey, J. Gregory, E. Quinlivan, 2004, American journal of physiology. Endocrinology and metabolism.

Vitamin B-6 restriction tends to reduce the red blood cell glutathione synthesis rate without affecting red blood cell or plasma glutathione concentrations in healthy men and women.

D. Matthews, J. Gregory, Y. Lamers, 2009, The American journal of clinical nutrition.

Vitamin B-6 restriction tends to reduce the red blood cell glutathione synthesis rate without affecting red blood cell or plasma glutathione concentrations in healthy men and women 1 – 3

D. Matthews, J. Gregory, Y. Lamers, 2009 .

Adequacy of enzymatic deconjugation in quantification of folate in foods.

J. Gregory, R. Engelhardt, 1990 .

Partial amino acid sequence and mRNA analysis of cytosolic pyridoxine-beta-D-glucoside hydrolase from porcine intestinal mucosa: proposed derivation from the lactase-phlorizin hydrolase gene.

J. Gregory, J. Pohl, C. Tseung, 2004, The Biochemical journal.

A family of metal-dependent phosphatases implicated in metabolite damage-control.

Oliver Fiehn, John Shanklin, Rémi Zallot, 2016, Nature chemical biology.

A 5-formyltetrahydrofolate cycloligase paralog from all domains of life: comparative genomic and experimental evidence for a cryptic role in thiamin metabolism

J. Gregory, A. Hanson, V. Crécy-Lagard, 2011, Functional & Integrative Genomics.

Dosage form and formulation effects on the bioavailability of vitamin E, riboflavin, and vitamin B-6 from multivitamin preparations.

J. Gregory, T. G. Baumgartner, K. Thakker, 1987, The American journal of clinical nutrition.

Metabolic utilization of pyridoxine-beta-glucoside in rats: influence of vitamin B-6 status and route of administration.

J. Gregory, P. Trumbo, 1988, The Journal of nutrition.

Pyridoxine-5'-beta--glucoside exhibits incomplete bioavailability as a source of vitamin B-6 and partially inhibits the utilization of co-ingested pyridoxine in humans.

J. Gregory, L. G. McMahon, H. Nakano, 1997, The Journal of nutrition.

Bioavailability of pyridoxine-5'-beta-D-glucoside determined in humans by stable-isotopic methods.

L. Bailey, J. Toth, J. Gregory, 1991, The Journal of nutrition.

S-adenosyl-L-methionine treatment for alcoholic liver disease: a double-blinded, randomized, placebo-controlled trial.

J. Gregory, M. C. Virata, J. Richards, 2011, Alcoholism, clinical and experimental research.

BIOAVAILABILITY OF VITAMIN B-6 IN NONFAT DRY MILK AND A FORTIFIED RICE BREAKFAST CEREAL PRODUCT

J. Gregory, 1980 .

Nutrient Metabolism Uptake, Hydrolysis, and Metabolism of Pyridoxine-5--D-Glucoside in Caco-2 Cells

J. Gregory, A. Mackey, R. Mcmahon, 2004 .

Case study: folate bioavailability.

J. Gregory, J. F. Gregory, 2001, The Journal of nutrition.

Bioavailability of Nutrients and Other Bioactive Components from Dietary Supplements Case Study : Folate Bioavailability 1 , 2

J. Gregory, 2001 .

Preparation of folic acid specifically labeled with deuterium at the 3′,5′‐positions

J. Toth, J. Gregory, 1988 .

Methylenetetrahydrofolate reductase 677C->T polymorphism and folate status affect one-carbon incorporation into human DNA deoxynucleosides.

K. Shelnutt, L. Bailey, J. Gregory, 2005, The Journal of nutrition.

Pyridoxine supplementation does not alter in vivo kinetics of one-carbon metabolism but modifies patterns of one-carbon and tryptophan metabolites in vitamin B-6-insufficient oral contraceptive users.

J. Gregory, P. Ueland, P. Stacpoole, 2015, The American journal of clinical nutrition.

Recent Advances in Nutritional Science Polymorphisms of Methylenetetrahydrofolate Reductase and Other Enzymes : Metabolic Significance , Risks and Impact on Folate Requirement 1

L. Bailey, J. Gregory, 1999 .

A cross-kingdom Nudix enzyme that pre-empts damage in thiamin metabolism.

J. Gregory, A. Hanson, Océane Frelin, 2013, The Biochemical journal.

Folate metabolism and requirements.

L. Bailey, J. Gregory, 1999, The Journal of nutrition.

Impaired homocysteine transsulfuration is an indicator of alcoholic liver disease.

J. Gregory, N. Rahim, M. C. Virata, 2010, Journal of hepatology.

Folate synthesis in plants: the p-aminobenzoate branch is initiated by a bifunctional PabA-PabB protein that is targeted to plastids.

K. Shinozaki, J. Giovannoni, M. Seki, 2004, Proceedings of the National Academy of Sciences of the United States of America.

Metabolite profile analysis reveals association of vitamin B-6 with metabolites related to one-carbon metabolism and tryptophan catabolism but not with biomarkers of inflammation in oral contraceptive users and reveals the effects of oral contraceptives on these processes.

J. Gregory, P. Ueland, P. Stacpoole, 2015, The Journal of nutrition.

A mathematical model gives insights into the effects of vitamin B-6 deficiency on 1-carbon and glutathione metabolism.

H. Nijhout, C. Ulrich, M. Reed, 2009, The Journal of nutrition.

Pregnancy alters choline dynamics: results of a randomized trial using stable isotope methodology in pregnant and nonpregnant women.

J. Gregory, M. Caudill, O. Malysheva, 2013, The American journal of clinical nutrition.

Relationship between urinary excretion of p-aminobenzoylglutamate and folate status of growing rats

L. Bailey, J. Gregory, Sihong Song, 1994 .

Kinetic modeling of folate metabolism through use of chronic administration of deuterium-labeled folic acid in men.

L. Bailey, J. Toth, J. Gregory, 1997, The American journal of clinical nutrition.

Thermal processing effects on folacin bioavailability in liquid model food systems, liver, and cabbage.

J. Gregory, B. Damron, K. A. Ristow, 1982, Journal of agricultural and food chemistry.

Modeling of folate metabolism.

J F Gregory, K C Scott, J. Gregory, 1996, Advances in food and nutrition research.

A mathematical model gives insights into nutritional and genetic aspects of folate-mediated one-carbon metabolism.

Barry Shane, Cornelia M Ulrich, H Frederik Nijhout, 2006, The Journal of nutrition.

Plant Vacuolar ATP-binding Cassette Transporters That Translocate Folates and Antifolates in Vitro and Contribute to Antifolate Tolerance in Vivo*

P. A. Rea, J. Gregory, Sixue Chen, 2009, Journal of Biological Chemistry.

Oxidative Stability of Milk. I. The Antioxidative Effects of Trypsin Treatment and Aging

J. Gregory, W. Shipe, 1975 .

Sarcosine and other metabolites along the choline oxidation pathway in relation to prostate cancer—A large nested case–control study within the JANUS cohort in Norway

T. Bjørge, S. Vollset, S. Tretli, 2014, International journal of cancer.

Hydrolytic Activity toward Pyridoxine-5 (cid:1) - (cid:1) - D -Glucoside in Rat Intestinal Mucosa Is Not Increased by Vitamin B-6 Deﬁciency: Effect of Basal Diet Composition and Pyridoxine Intake

J. Gregory, A. Mackey, Siam O. Lieu, 2003 .

Identification and Characterization of the Missing Pyrimidine Reductase in the Plant Riboflavin Biosynthesis Pathway1[W][OA]

V. de Crécy-Lagard, J. Gregory, A. Hanson, 2012, Plant Physiology.

Lack of Vitamin B6 Activity of 6‐Hydroxypyridoxine

J. Gregory, K. Leatham, 1990 .

Evidence for folate-salvage reactions in plants.

J. Gregory, E. Quinlivan, S. Ravanel, 2006, The Plant journal : for cell and molecular biology.

A role for tetrahydrofolates in the metabolism of iron-sulfur clusters in all domains of life

Ian K. Blaby, V. de Crécy-Lagard, T. Vickers, 2010, Proceedings of the National Academy of Sciences.

Vitamin B-6 deficiency suppresses the hepatic transsulfuration pathway but increases glutathione concentration in rats fed AIN-76A or AIN-93G diets.

J. Gregory, S. Davis, A. Mackey, 2006, The Journal of nutrition.

Mathematical Modeling Predicts the Effect of Folate Deficiency and Excess on Cancer-Related Biomarkers

Barry Shane, Cornelia M Ulrich, H Frederik Nijhout, 2011, Cancer Epidemiology, Biomarkers & Prevention.

Biomarkers of vitamin B-12 status in NHANES: a roundtable summary123456

L. Curtin, J. Massaro, C. Sempos, 2011, The American journal of clinical nutrition.

Reassessing folic acid consumption patterns in the United States (1999 2004): potential effect on neural tube defects and overexposure to folate.

J. Gregory, E. Quinlivan, 2007, The American journal of clinical nutrition.

Folate deprivation reduces homocysteine remethylation in a human intestinal epithelial cell culture model: role of serine in one-carbon donation.

J. Gregory, S. Davis, A. Mackey, 2004, American journal of physiology. Gastrointestinal and liver physiology.

Relative bioavailability of deuterium-labeled monoglutamyl tetrahydrofolates and folic acid in human subjects.

L. Bailey, J. Toth, J. Gregory, 1992, The American journal of clinical nutrition.

Relative bioavailability of deuterium-labeled monoglutamyl and hexaglutamyl folates in human subjects.

L. Bailey, J. Toth, J. Gregory, 1991, The American journal of clinical nutrition.

Inhibition by selected food components of human and porcine intestinal pteroylpolyglutamate hydrolase activity.

J. Gregory, S. D. Bhandari, 1990, The American journal of clinical nutrition.

Vitamin B-6 Deficiency Suppresses the Hepatic Transsulfuration Pathway but Increases Glutathione Concentration in Rats Fed AIN-76 A or AIN-93 G Diets 1

J. Gregory, S. Davis, A. Mackey, 2006 .

Primed, constant infusion with [2H3]serine allows in vivo kinetic measurement of serine turnover, homocysteine remethylation, and transsulfuration processes in human one-carbon metabolism.

J. Toth, J. Gregory, P. Stacpoole, 2000, The American journal of clinical nutrition.

Folic acid, 5-methyl-tetrahydrofolate and 5-formyl-tetrahydrofolate exhibit equivalent intestinal absorption, metabolism and in vivo kinetics in rats.

J. Gregory, S. D. Bhandari, 1992, The Journal of nutrition.

Deficiencies of folate and vitamin B(6) exert distinct effects on homocysteine, serine, and methionine kinetics.

J. Gregory, P. Stacpoole, T. G. Baumgartner, 2001, American journal of physiology. Endocrinology and metabolism.

Analysis of folacin by GC/MS: Structures and mass spectra of fluorinated derivatives of para‐aminobenzoyl glutamic acid

J. Toth, J. Gregory, 1988 .

A dual-label stable-isotopic protocol is suitable for determination of folate bioavailability in humans: evaluation of urinary excretion and plasma folate kinetics of intravenous and oral doses of [13C5] and [2H2]folic acid.

L. Bailey, J. Gregory, C. Pfeiffer, 1997, The Journal of nutrition.

Vitamin B-12 status is inversely associated with plasma homocysteine in young women with C677T and/or A1298C methylenetetrahydrofolate reductase polymorphisms.

G. Kauwell, D. Maneval, L. Bailey, 2002, The Journal of nutrition.

Comparison of chemical and biological methods for determination of thiamin in foods.

J. Gregory, J. Kirk, 1978, Journal of agricultural and food chemistry.

Bioavailability of Thiamin.

J. Gregory, 1997, European journal of clinical nutrition.

Plasma cystathionine and risk of acute myocardial infarction among patients with coronary heart disease: Results from two independent cohorts.

K. Bønaa, J. Gregory, P. Ueland, 2018, International journal of cardiology.

Zinc status is not adversely affected by folic acid supplementation and zinc intake does not impair folate utilization in human subjects.

G. Kauwell, L. Bailey, J. Gregory, 1995, The Journal of nutrition.

Suboptimal Vitamin B Intakes of Zambian Preschool Children: Evaluation of 24-Hour Dietary Recalls

J. Gregory, S. Tanumihardjo, S. Schmaelzle, 2018, Food and nutrition bulletin.

The Thiamin-Requiring 3 Mutation of Arabidopsis 5-Deoxyxylulose-Phosphate Synthase 1 Highlights How the Thiamin Economy Impacts the Methylerythritol 4-Phosphate Pathway

J. Joshi, J. Gregory, A. Hanson, 2021, Frontiers in Plant Science.

A plastidial pantoate transporter with a potential role in pantothenate synthesis.

V. de Crécy-Lagard, C. Henry, A. Fernie, 2018, The Biochemical journal.

Folate salvage in plants: pterin aldehyde reduction is mediated by multiple non-specific aldehyde reductases.

J. Gregory, A. Hanson, G. Bozzo, 2007, The Plant journal : for cell and molecular biology.

Methionine synthase reductase 66A->G polymorphism is associated with increased plasma homocysteine concentration when combined with the homozygous methylenetetrahydrofolate reductase 677C->T variant.

G. Kauwell, K. Shelnutt, D. Maneval, 2004, The Journal of nutrition.

High provitamin A carotenoid serum concentrations, elevated retinyl esters, and saturated retinol-binding protein in Zambian preschool children are consistent with the presence of high liver vitamin A stores.

J. Gregory, S. Tanumihardjo, B. Gannon, 2015, The American journal of clinical nutrition.

B vitamin treatments modify the risk of myocardial infarction associated with a MTHFD1 polymorphism in patients with stable angina pectoris.

Yan Ding, J. Gregory, Ø. Helgeland, 2016, Nutrition, metabolism, and cardiovascular diseases : NMCD.

Accounting for differences in the bioactivity and bioavailability of vitamers

J. Gregory, 2012, Food & nutrition research.

Should the AIN-93 Rodent Diet Formulas be Revised?

J. Gregory, M. Fiorotto, D. Klurfeld, 2021, The Journal of nutrition.

Pyridoxine and Pyridoxine-5′-β-D-Glucoside Exert Different Effects on Tissue B-6 Vitamers but Similar Effects on β-Glucosidase Activity in Rats

J. Gregory, H. Nakano, 1995 .

Pyridoxine and pyridoxine-5'-beta-D-glucoside exert different effects on tissue B-6 vitamers but similar effects on beta-glucosidase activity in rats.

J. Gregory, H. Nakano, 1995, The Journal of nutrition.

Thermal Degradation Kinetics of Pyridoxine Hydrochloride in Dehydrated Model Food Systems

J. Gregory, J. Kirk, S. R. Evans, 1981 .

Thermal Stability of Vitamin B6 Compounds in Liquid Model Food Systems

J. Gregory, M. Hiner, 1983 .

VOLATILE ORGANIC COMPOUNDS FROM CITRUS FEED MILL EMISSIONS

C. Sims, J. Gregory, W. Miller, 2001 .

Production of 1-carbon units from glycine is extensive in healthy men and women.

D. Theriaque, J. Shuster, J. Gregory, 2009, The Journal of nutrition.

Folate intake, MTHFR genotype, and sex modulate choline metabolism in mice.

J. Gregory, B. Carrier, M. Caudill, 2011, The Journal of nutrition.

MTHFR C677T genotype influences the isotopic enrichment of one-carbon metabolites in folate-compromised men consuming d9-choline.

J. Gregory, M. Caudill, O. Malysheva, 2011, The American journal of clinical nutrition.

Targeted metabolomics and mathematical modeling demonstrate that vitamin B-6 restriction alters one-carbon metabolism in cultured HepG2 cells.

M. Reed, J. Gregory, E. Quinlivan, 2014, American journal of physiology. Endocrinology and metabolism.

vitamin B-6 1 restriction alters one-carbon metabolism in cultured HepG 2 cells 2

J. Gregory, Vanessa R. da Silvaa, Maria A. Ralata, 2014 .

Bioavailability of vitamin B-6 from plant foods.

J. Gregory, 1989, The American journal of clinical nutrition.

Effects of ɛ-Pyridoxyllysine Bound to Dietary Protein on the Vitamin B-6 Status of Rats

J. Gregory, 1980 .

Comparative genomics and functional analysis of the NiaP family uncover nicotinate transporters from bacteria, plants, and mammals

A. Osterman, J. Gregory, D. Rodionov, 2012, Functional & Integrative Genomics.

MTHFR C 677 T genotype influences the isotopic enrichment of one-carbon metabolites in folate-compromised men consuming d 9-choline 1 – 3

J. Gregory, M. Caudill, O. Malysheva, 2011 .

Biomarkers of Nutrition for Development-Folate Review.

M. Fenech, L. Bailey, H. McNulty, 2015, The Journal of nutrition.

Effects of epsilon-pyridoxyllysine and related compounds on liver and brain pyridoxal kinase and liver pyridoxamine (pyridoxine) 5'-phosphate oxidase.

J. Gregory, 1980, The Journal of biological chemistry.

Effects of epsilon-pyridoxyllysine bound to dietary protein on the vitamin B-6 status of rats.

J. Gregory, 1980, The Journal of nutrition.

Methylenetetrahydrofolate Dehydrogenase 1 Polymorphisms Modify the Associations of Plasma Glycine and Serine With Risk of Acute Myocardial Infarction in Patients With Stable Angina Pectoris in WENBIT (Western Norway B Vitamin Intervention Trial)

J. Gregory, Ø. Helgeland, P. Ueland, 2016, Circulation. Cardiovascular genetics.

Astronaut ophthalmic syndrome

Scott M Smith, J. Gregory, S. Zwart, 2017, FASEB journal : official publication of the Federation of American Societies for Experimental Biology.

Genotype, B‐vitamin status, and androgens affect spaceflight‐induced ophthalmic changes

Scott M Smith, M. Heer, J. Gregory, 2016, FASEB journal : official publication of the Federation of American Societies for Experimental Biology.

A mathematical model gives insights into nutritional and genetic aspects of folate-mediated one-carbon metabolism.

H. Nijhout, C. Ulrich, M. Reed, 2006, The Journal of nutrition.

Inadequate Niacin Intake Disrupts Growth and Retinol Homeostasis Resulting in Higher Liver and Lower Serum Retinol Concentrations in Male Rats.

J. Markley, J. Gregory, S. Tanumihardjo, 2023, The Journal of nutrition.

Metabolite profile analysis reveals functional effects of 28-day vitamin B-6 restriction on one-carbon metabolism and tryptophan catabolic pathways in healthy men and women.

J. Gregory, E. Quinlivan, P. Ueland, 2013, The Journal of nutrition.

Targeted metabolomics and mathematical modeling demonstrate that vitamin B-6 restriction alters one-carbon metabolism in cultured HepG2 cells.

M. Reed, J. Gregory, E. Quinlivan, 2014, American journal of physiology. Endocrinology and metabolism.

Metabolomic Evaluation of the Consequences of Plasma Cystathionine Elevation in Adults with Stable Angina Pectoris.

J. Gregory, P. Ueland, Fariba Tayyari, 2017, The Journal of nutrition.

Denaturation of the folacin-binding protein in pasteurized milk products.

J. Gregory, 1982, The Journal of nutrition.

In vivo folate kinetics during chronic supplementation of human subjects with deuterium-labeled folic acid.

L. Bailey, J. Toth, S. Curry, 1992, The Journal of nutrition.

Evidence That COG0325 Proteins are involved in PLP Homeostasis.

Katherine J. Harrison, O. Fiehn, V. de Crécy-Lagard, 2016, Microbiology.

Metabolism of the Folate Precursor p-Aminobenzoate in Plants

J. Gregory, A. Hanson, D. Bowles, 2008, Journal of Biological Chemistry.

A cross-kingdom Nudix enzyme that pre-empts damage in thiamin metabolism.

J. Gregory, A. Hanson, Océane Frelin, 2013, The Biochemical journal.

The relationship between increased folate stetabolism and the increased requirement for folate in pregnancy

L. Bailey, J. Gregory, M. Caudill, 2001, BJOG : an international journal of obstetrics and gynaecology.