Absorption of Unaltered Folic Acid, from the Gastro‐intestinal Tract in Man

No abstract is available for this paper.

• Publication year

  1967

• Venue

  British Journal of Haematology

• Publication date

  1967-09-01

• Fields of study

  Medicine

• Identifiers
  DOI 10.1111/j.1365-2141.1967.tb08833.xPMID 6050860
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

• Autoradiography with Tritiated Methotrexate and the Cellular Distribution of Folate Reductase

  1966cited by this paper
• Hepatoportography via the umbilical vein: a superior approach to diagnosis in liver disease.

  1966cited by this paper
• THE FATE OF ORALLY AND PARENTERALLY ADMINISTERED FOLATES.

  1965influential reference
• THE ROLE OF VITAMIN B12 IN METHYL TRANSFER TO HOMOCYSTEINE *

  1964cited by this paper
• RELATIVE FOLATE DEFICIENCY OF ERYTHROCYTES IN PERNICIOUS ANEMIA AND ITS CORRECTION WITH CYANOCOBALAMIN.

  1964cited by this paper
• A folic acid-active compound strongly bound by DEAE- cellulose.

  1963cited by this paper
• THE PTEROYLGLUTAMATE COMPONENTS OF AMERICAN DIETS AS DETERMINED BY CHROMATOGRAPHIC FRACTIONATION.

  1963cited by this paper
• Folate Activity in Rat Tissue Before and After Pteroylglutamic Acid Load.∗

  1963cited by this paper
• Conversion of Diopterin and Teropterin into Folic and Folinic Acid Activity by the Rat Liver.∗

  1963cited by this paper
• Studies on the folate compounds of human blood.

  1963cited by this paper
• Absorption of folic acid from the small intestine of the rat.

  1962cited by this paper
• Studies on the identification of a folate compound of human serum.

  1962cited by this paper
• Chromatographic Separation and Purification of Folic Acid Analogs

  1961cited by this paper
• The metabolism of tritiated folic acid in man.

  1961cited by this paper
• The assay and nature of folic acid activity in human serum.

  1961cited by this paper
• Evaluation of assessment of folic-acid deficiency by serum folic-acid activity measured with L. casei.

  1961cited by this paper
• Studies on the folic acid vitamins. IV. The persistence of amethopterin in mammalian tissues

  1960cited by this paper
• Folic acid, its analogs and antagonists.

  1960cited by this paper
• Blood folic acid studies. V. Resolution of precursor and enzyme fractions of the blood folic acid system.

  1959cited by this paper
• Blood folic acid studies. VI. Chromatographic resolution of folic acid-active substances obtained from blood.

  1959cited by this paper
• A microbiologic method for detecting folic acid deficiency in man.

  1959cited by this paper
• The Absorption of Folic Acid

  1958cited by this paper
• Folic acid absorption excretion, and leukocyte concentration in tropical sprue.

  1957cited by this paper
• Multiplicity of the folic acid-active factors of blood.

  1956cited by this paper
• The direct action of folic acid, folinic acid and vitamin B12 on megaloblasts in vivo.

  1956cited by this paper
• Assay of compounds with folic acid activity.

  1955cited by this paper
• Oral Folic Acid Tolerance Test in Normal Human Subjects and Patients with Pernicious Anemia.∗

  1953cited by this paper
• The utilisation of folic acid given by mouth.

  1952cited by this paper
• Vitamin B12 Assay in Body Fluids using Euglena gracilis

  1952cited by this paper
• Direct action of vitamin B12 upon human bone marrow; the effect of instillations of vitamin B12 and folic acid into the bone marrow as studied by nucleic acid staining techniques.

  1951cited by this paper
• Pteroylglutamic acid clearance in normal adults.

  1951cited by this paper
• The titrimetric determination of "Lactobacillus casei factor " and " folic acid ".

  1945cited by this paper

• Folic acid causes higher prevalence of detectable unmetabolized folic acid in serum than B-complex: a randomized trial

  2016cites this paper
• Challenges and opportunities in the management of portal hypertension

  2015cites this paper
• Serum unmetabolized folic acid: the straw that broke dihydrofolate reductase's back?

  2015cites this paper
• Serum Unmetabolized Folic Acid: The Straw That Broke Dihydrofolate Reductase (cid:1) s Back? 1,2

  2015cites this paper
• Folic acid handling by the human gut: implications for food fortification and supplementation123

  2014cites this paper
• Folic Acid Deficiency and Epilepsy

  2012cites this paper
• Absorption of folic acid from a softgel capsule compared to a standard tablet.

  2012cites this paper
• The extremely slow and variable activity of dihydrofolate reductase in human liver and its implications for high folic acid intake

  2009cites this paper
• Kinetics of folate and one-carbon metabolism

  2009cites this paper
• Folic acid metabolism in human subjects revisited: potential implications for proposed mandatory folic acid fortification in the UK.

  2007influential citation
• Folate absorption and malabsorption

  2005cites this paper
• Isolated Defect of Folic Acid Absorption Associated with Mental Retardation and Cerebral Calcification

  2005cites this paper
• Differential kinetic behavior and distribution for pteroylglutamic acid and reduced folates: a revised hypothesis of the primary site of PteGlu metabolism in humans.

  2005cites this paper
• Effects of Antiepileptics on Nutritional Status

  2004cites this paper
• Proposed mandatory fortification of the UK diet with folic acid: have potential risks been underestimated?

  2001cites this paper
• Cobalamins and folates as seen through inborn errors of metabolism: a review and perspective.

  2000cites this paper
• Iron Deficiency and Megaloblastic Anemias

  1992cites this paper
• Effects of choline deficiency and methotrexate treatment upon liver folate content and distribution.

  1991cites this paper
• Folate. Its metabolism and utilization.

  1984cites this paper
• Phenytoin—Folic Acid: A Review

  1984cites this paper
• Gastrointestinal absorption of folates and antifolates.

  1983cites this paper
• Cobalamin inactivation by nitrous oxide produces severe neurological impairment in fruit bats : protection by methionine and aggravation by folates.

  1982cites this paper
• Detection of a milk factor that facilitates folate uptake by intestinal cells.

  1981cites this paper
• Intestinal absorption and malabsorption of folates.

  1980cites this paper
• Polyglutamate derivatives of folic acid coenzymes and methotrexate.

  1980cites this paper
• Aspects of vitamin B12 and folate metabolism in malabsorption syndromes.

  1979cites this paper
• The role of liver passage for conversion of pteroylmonoglutamate and pteroyltriglutamate to active folate coenzyme.

  1979cites this paper
• The intestinal absorption of folates.

  1979cites this paper
• Folate metabolism and in vivo radiofolate binding in normal, folate-deficient and folate-saturated subjects.

  1979cites this paper
• 3 – Drugs and Water-Soluble Vitamin Absorption

  1978cites this paper
• A conspectus of research on folacin requirements of man.

  1978cites this paper
• Folic acid transport by mammalian small intestine.

  1978cites this paper
• Folate Deficiency in Humans

  1977cites this paper
• Aspects of Folate Metabolism in Renal Failure

  1977cites this paper
• [Transport and metabolism of folate in animal cells and microorganisms (author's transl)].

  1976cites this paper
• Megaloblastic anaemia and disorders affecting utilisation of vitamin B12 and folate in childhood.

  1976cites this paper
• Aspects of radiofolate absorption, metabolism and plasma binding.

  1976cites this paper
• Portal and peripheral plasma folates after ingestion of folic acid.

  1976cites this paper
• Delay in metabolism of parenteral folinic acid to 5-methyltetrahydrofolate in man.

  1976cites this paper
• Absorption and malabsorption of folates.

  1976cites this paper
• In Vivo Plasma and Urine Folate Binding after Ingestion of 3H‐Folic Acid and 14C‐Methyl‐Folate

  1976cites this paper
• Intestinal Absorption of Folic Acid Monoglutamates and Polyglutamates: a Brief Review of Some Recent Developments

  1975cites this paper
• Folic acid: a new approach to the mechanism of its intestinal absorption.

  1974cites this paper
• Absorption of water-soluble vitamins.

  1974cites this paper
• Jejunal uptake of tritiated folic acid in the rat studied by in vivo perfusion.

  1974cites this paper
• Folic acid and ascorbic acid status of elderly subjects

  1974cites this paper
• C – Vitamin B12 and Folic Acid

  1974cites this paper
• Ingestion and absorption of naturally occurring pteroylmonoglutamates (folates) in man.

  1973cites this paper
• Drug-induced megaloblastic anemias.

  1973cites this paper
• Absorption of Liver Folates from Small Intestinal Segments of the Rat 1

  1973cites this paper
• Failure of response to N5-methyltetrahydrofolate in combined folate and B12 deficiency

  1973cites this paper
• The reproducibility and use of the tritiated folic acid urinary excretion test as a measure of folate absorption in clinical practice: Effect of methotrexate on absorption of folic acid

  1973cites this paper
• Uptake and reduction of radioactive folate by everted sacs of rat small intestine.

  1973cites this paper
• Intestinal folate absorption. II. Conversion and retention of pteroylmonoglutamate by jejunum.

  1973cites this paper
• The uptake of pteroylglutamic acid by the rat jejunum.

  1973cites this paper
• Failure of response to N 5 -methyltetrahydrofolate in combined folate and B 12 deficiency. Evidence in support of the "folate trap" hypothesis.

  1973cites this paper
• Drugs and folic acid absorption.

  1972cites this paper
• Folate in Tropical Sprue

  1972cites this paper
• Drugs and folic acid absorption.

  1972cites this paper
• Absorption of folic acid.

  1972cites this paper
• Intestinal Conversion of Folinic Acid to 5‐Methyltetrahydrofolate in Man

  1972cites this paper
• Splenectomy for anaemia of chronic renal failure.

  1972cites this paper
• Vitamin B 12 and folate metabolism.

  1972cites this paper
• Effect of methotrexate on absorption of folates.

  1972cites this paper
• The absorption of folic acid in man: recent progress.

  1972cites this paper
• Absorption of pteroylglutamate and dietary folates in man.

  1972cites this paper
• The occurrence of folic acid (pteroyl-L-monoglutamic acid) in human blood serum after small oral doses

  1972cites this paper
• Intestinal folate absorption. I. 5-Methyltetrahydrofolic acid.

  1971cites this paper
• Folate absorption

  1971cites this paper
• The urinary excretion of orally administered pteroyl-L-glutamic acid by the rat.

  1971cites this paper
• [Absorption of synthetic acid folic acid and of its natural forms in the alimentary tract].

  1971cites this paper
• Response to folinic acid in B 12 -deficiency anaemia.

  1971cites this paper
• Decreased jejunal uptake of labeled folic acid ( 3 H-PGA) in alcoholic patients: roles of alcohol and nutrition.

  1971cites this paper
• Folates in plasma and bile of man after feeding folic acid--3H and 5-formyltetrahydrofolate (folinic acid).

  1971cites this paper
• Folate balance in dietary-induced megaloblastic anemia.

  1971cites this paper
• Carcino-fetal antigen in glial tumours.

  1971cites this paper
• Hepatic and serum folates in patients fasting and after oral folic acid

  1971cites this paper
• Studies on the absorption and metabolism of folic acid. I. Folate absorption in the dog after exposure of isolated intestinal segments to synthetic pteroylpolyglutamates of various chain lengths.

  1971cites this paper
• Folate Analogues in Normal Mixed Diets

  1971cites this paper
• The Effect of Vitamin B12 and Methionine on Folic Acid Uptake by Rat Liver

  1971cites this paper
• The digestion and absorption of dietary folate.

  1971cites this paper
• Folate balance in dietary-induced megaloblastic anemia.

  1971cites this paper
• Site of reduction and methylation of folic acid in man.

  1971cites this paper
• Intestinal Absorption of Reduced Folate Compounds in Man

  1970cites this paper
• The absorption and malabsorption of folic acid and its polyglutamates.

  1970cites this paper
• Congenital malabsorption of folate.

  1970cites this paper
• The transport of pteroylglutamic acid across the small intestine of the rat.

  1970cites this paper
• Folic Acid (3HFA) Absorption and Jejunal Biopsy in Mild Nutritional Folic Acid Deficiency

  1970cites this paper
• Toxicity of folic acid.

  1970cites this paper
• Intestinal drug absorption and metabolism. I. Comparison of methods and models to study physiological factors of in vitro and in vivo intestinal absorption.

  1970cites this paper
• Folate Metabolism in Newborns and during Early Infancy: I. Absorption of Pteroylglutamic (Folic) Acid in Newborns

  1970cites this paper
• Studies of (3H)folic acid uptake by Lactobacillus casei.

  1970cites this paper
• Recent advances in knowledge of clinical and biochemical aspects of folate.

  1970cites this paper
• Studies of iron transport in portal and systemic circulation.

  1969cites this paper
• Evidence for reduction and methylation of folate in the intestine during normal absorption.

  1969cites this paper
• Increased urinary excretion of 3H-folic acid injected to rats with riboflavin deficiency or excessive dietary methionine.

  1969cites this paper
• Isolated defect of folic acid absorption associated with mental retardation and cerebral calcification.

  1969cites this paper
• Release of folate by rat liver and spleen slices.

  1969cites this paper
• A study of folate absorption and metabolism in man utilizing carbon-14--labeled polyglutamates synthesized by the solid phase method.

  1969cites this paper
• Folic-acid absorption in man.

  1968cites this paper