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Results for “FOLIC ACID”

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At least 19 recordsLinked to original sources
PubMed1953

Progressive muscular dystrophy; a preliminary report on treatment with amino acids, folic acid and vitamins.

Ten patients with progressive muscular dystrophy were given daily oral doses of amino acids, folic acid and selected vitamins. At the time of this report they had been treated by this means for periods varying from two months to one year. Only one had other therapy concurrently. Definite and progressive improvement, objective and subjective, occurred in all cases. Among objective changes noted-not all of them in all cases-were return of strength, increase in size and tonus of atrophic muscles, restoration of normal respiratory action and relief of depression. Patients reported a sense of well-being, increase in strength and a feeling of bodily warmth.

Amino Acids↗
PubMed2004

Cardiovascular effects of milk enriched with omega-3 polyunsaturated fatty acids, oleic acid, folic acid, and vitamins E and B6 in volunteers with mild hyperlipidemia.

OBJECTIVE: Results from epidemiologic studies and clinical trials have indicated that consumption of omega-3 fatty acids, oleic acid, and folic acid have beneficial effects on health, including decreased risk of cardiovascular disease. We evaluated the combined effects of these nutrients through the consumption of milk enriched with omega-3 polyunsaturated fatty acids, oleic acid, vitamins E and B6, and folic acid on risk factors for cardiovascular disease in volunteers with mild hyperlipidemia. METHODS: Thirty subjects ages 45 to 65 y (51.3 +/- 5.3 y) were given 500 mL/d of semi-skimmed milk for 4 wk and then 500 mL/d of the enriched milk for 8 wk. Plasma and low-density lipoproteins were obtained at the beginning of the study and at 4, 8, and 12 wk. RESULTS: Consumption of enriched milk for 8 wk increased plasma concentrations of docosahexaenoic acid and eicosapentaenoic acid and significantly (P < 0.05) decreased plasma concentrations of triacylglycerol (24%), total cholesterol (9%), and low-density lipoprotein cholesterol (13%). Plasma and low-density lipoprotein oxidation and vitamin E concentration remained unchanged throughout the study. Significant decreases in plasma concentrations of vascular cell adhesion molecule-1 (9%) and homocysteine (17%) were found, accompanied by a 98% increase in plasma concentration of folic acid. CONCLUSIONS: Dairy supplementation strategies with omega-3 polyunsaturated fatty acids, oleic acid, and vitamins may be useful for decreasing risk factors for cardiovascular disease.

Aged↗
PubMedDate not supplied

[Impact of weekly administration of folic acid on folic acid blood levels].

OBJECTIVE: To evaluate the effect of weekly administration of 5 mg. folic acid (FA) intake on folic acid blood levels. MATERIAL AND METHODS: This concurrent comparative study was conducted in 1998, in urban and rural areas of Nuevo Leon State, Mexico. The study population consisted of 74 women who delivered a child during 1997, 39 of whom had a child with a neural tube defect. Women were given 5 mg. of folic acid, weekly for 3 months. Blood levels of folic acid were determined by radioimmunoassay (RIA) at baseline, and a week after taking the last folic acid dose. Data are presented as means and standard deviations. RESULTS: Ninety per cent of the women had significantly increased folic acid intraerythrocytary blood levels. Red cell folate increased from 150.49 +/- 31.17 ng/ml to 184.21 +/- 35.53 ng/ml (p < 0.005). Plasma folate increased from 5.93 +/- 1.98 ng/ml a 7.03 +/- 2.5 ng/ml (p < 0.05). Eighty-two per cent of women reached intracellular levels above 160 ng/ml. CONCLUSIONS: The weekly administration of folic acid is a simple and efficient method that could be used to supplement this vitamin to low-income populations. The English version of this paper is available at: http://www.insp.mx/salud/index.html.

Adolescent↗
PubMed1965

THE INHIBITION OF TWO STEROID-ACTIVATED NICOTINAMIDE-ADENINE DINUCLEOTIDE (PHOSPHATE) TRANSHYDROGENASES BY FOLIC ACID AND FOLIC ACID ANTIMETABOLITES.

1. It was found that steroid-mediated nicotinamide-adenine dinucleotide (phosphate) transhydrogenases can be inhibited in vitro by folic acid and its antimetabolites. The most potent inhibitor was methotrexate, a drug with a high therapeutic index against experimental cancer. 2. The inhibitions produced by a combination of folic acid and the analogues were additive, as were those between the folic acid compounds and antagonistic steroid hormones.

Aminopterin↗
PubMed1996

Pro-thrombotic effects of a folic acid deficient diet in rat platelets and macrophages related to elevated homocysteine and decreased n-3 polyunsaturated fatty acids.

Folic acid deficiency represents a vitamin deficiency that may be due either to an inadequacy of the dietary supply or to an increased requirement. It leads to a number of abnormalities including hematological, neurological and cardiovascular disorders. In this study, we investigated whether folic acid deficiency would influence platelet and macrophage activities. For 6 weeks, rats were fed a test diet containing a low amount of folic acid (250 mu g/kg) by comparison with a control diet (750 mu g/kg). We found 40 and 32 percent reductions (P < 0.05) of plasma and erythrocyte folates, respectively in the tested group. Peritoneal macrophages of the folic acid deficient animals exhibited greater (20 x) tissue factor (TF) activity than in the controls. We also found that folate depletion significantly enhanced the thrombin- and ADP-induced platelet aggregation (+64 and + 13 percent, respectively). Moreover, the results of incubations with radiolabeled arachidonic acid indicated that platelets of folic acid deficient animals incorporated more labeling than controls did. When stimulated with thrombin, the mobilization of arachidonate from platelet phospholipids and its subsequent formation of cyclooxygenase and lipoxygenase metabolites were enhanced in the deficient animals. In particular, thromboxane biosynthesis was markedly increased. The analysis of the plasma fatty acid composition showed a decrease in the plasma unsaturation index related to a marked fall of long chain (n-3) fatty acids which was also observed in platelets. These data suggested the occurrence of an oxidative stress in folic acid deficient animals which was confirmed by increases in plasma lipid peroxidation products (more than +20 percent) and an enhanced susceptibility of erythrocytes to free radicals (+23 percent). Altogether these data suggested that folic acid deficiency altered the circulating and cellular fatty acid composition and thus influenced the balance of the platelet eicosanoid synthesis. In addition, total homocysteine and glutathione concentrations were highly increased in plasma from folate-depleted rats. From these results, we conclude that folate deficiency can potentiate the coagulation pathway mediated by the macrophage TF as well as the platelet activation process. It is suggested that these dysfunctions might be related to the loss of (n-3) polyunsaturated fatty acids. The latter could result from an increased lipid peroxidation triggered by the folic acid deficiency-induced hyperhomocysteinemia.

Animals↗