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Serum Folate

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121. Folic Acid Treatment in Patients with Vascular Cognitive Impairment: A Systematic Review and Meta-Analysis Study

Folic Acid Treatment in Patients with Vascular Cognitive Impairment: A Systematic Review and Meta-Analysis Study Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content of this registration record, any associated (...) , duration of ischemia and duration of reperfusion (if applicable). ">Data to be extracted: animal model Example: Dose, timing of administration, frequency of administration, route of administration, vehicle. ">Data to be extracted: intervention of interest Example: Serum creatinine; continuous; umol/L (may be recalculated from mg/dL). ">Data to be extracted: primary outcome(s) Example: Blood urea nitrogen; continuous; mmol/L (may be recalculated from mg/dL); Renal histological damage as assessed

2020 PROSPERO

122. Role of Homocysteine, Folic Acid and Vitamin B12 in Alzheimer's Disease: A Systematic Review and Meta-Analysis

Role of Homocysteine, Folic Acid and Vitamin B12 in Alzheimer's Disease: A Systematic Review and Meta-Analysis Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content of this registration record, any associated files (...) of reperfusion (if applicable). ">Data to be extracted: animal model Example: Dose, timing of administration, frequency of administration, route of administration, vehicle. ">Data to be extracted: intervention of interest Example: Serum creatinine; continuous; umol/L (may be recalculated from mg/dL). ">Data to be extracted: primary outcome(s) Example: Blood urea nitrogen; continuous; mmol/L (may be recalculated from mg/dL); Renal histological damage as assessed by Jablonski scale; continuous; Jablonski score

2020 PROSPERO

123. Exploring the interventions used to increase iron and folic acid supplementation for pregnant women in Sub-Saharan Africa

Exploring the interventions used to increase iron and folic acid supplementation for pregnant women in Sub-Saharan Africa Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content of this registration record, any (...) , anaesthetic agent used, method of induction of cardiac ischemia, duration of ischemia and duration of reperfusion (if applicable). ">Data to be extracted: animal model Example: Dose, timing of administration, frequency of administration, route of administration, vehicle. ">Data to be extracted: intervention of interest Example: Serum creatinine; continuous; umol/L (may be recalculated from mg/dL). ">Data to be extracted: primary outcome(s) Example: Blood urea nitrogen; continuous; mmol/L (may

2020 PROSPERO

124. Assessment of Folic Acid Supplementation in Pregnant Women by Estimation of Serum Levels of Tetrahydrofolic Acid, Dihydrofolate Reductase, and Homocysteine Full Text available with Trip Pro

Assessment of Folic Acid Supplementation in Pregnant Women by Estimation of Serum Levels of Tetrahydrofolic Acid, Dihydrofolate Reductase, and Homocysteine Background. Status of folic acid use in pregnant women of the hilly regions in North India was little known. This study was carried out to assess the folic acid use and estimate folate metabolites in pregnant women of this region. Materials and Methods. This cross-sectional study is comprised of 76 pregnant women, whose folic acid (...) supplementation was assessed by a questionnaire and serum levels of homocysteine, tetrahydrofolic acid (THFA), and dihydrofolate reductase (DHFR) were estimated using Enzyme Linked Immunoassays. Results. The study data revealed awareness of folic acid use during pregnancy was present in 46.1% and 23.7% were taking folic acid supplements. The study depicted that there was no statistically significant difference between serum levels of THFA and DHFR in pregnant women with and without folic acid supplements (p

2016 Scientifica

125. Wheat rolls fortified with microencapsulated L-5-methyltetrahydrofolic acid or equimolar folic acid increase blood folate concentrations to a similar extent in healthy men and women. Full Text available with Trip Pro

Wheat rolls fortified with microencapsulated L-5-methyltetrahydrofolic acid or equimolar folic acid increase blood folate concentrations to a similar extent in healthy men and women. Mandatory folic acid fortification of grains such as wheat flour has been introduced in several countries to reduce the incidence of neural tube defects. There are concerns, however, that folic acid could mask the hematologic signs of vitamin B-12 deficiency and lead to other adverse health outcomes (...) acid compared with wheat rolls containing no added folate (placebo) at increasing blood folate concentrations during 16 wk. Healthy men and women aged 18-45 y (n = 45) were randomly assigned to consume wheat rolls that contained L-5-MTHF (452 μg/d), the molar equivalent of folic acid (400 μg/d), or placebo. At 16 wk, the mean (95% CI) erythrocyte folate was 0.48 (0.27, 0.71) and 0.37 (0.17, 0.57) μmol/L higher in the L-5-MTHF (P < 0.001) and folic acid wheat roll (P = 0.001) groups, respectively

2013 The Journal of nutrition Controlled trial quality: predicted high

126. Reduction in unnecessary red blood cell folate testing by restricting computerized physician order entry in the electronic health record. (Abstract)

Reduction in unnecessary red blood cell folate testing by restricting computerized physician order entry in the electronic health record. The red blood cell (RBC) folate test is a laboratory test with limited clinical utility. Previous attempts to reduce physician ordering of unnecessary laboratory tests, including folate levels, have resulted in only modest success. The objective of this study was to assess the effectiveness and impacts of restricting RBC folate ordering in the electronic (...) health record (EHR).This was a retrospective observational study that took place from January 2010 to December 2016 at a large academic healthcare network in Toronto, Canada. All inpatients and outpatients who underwent at least 1 RBC folate or vitamin B12 test during the study period were included. Ordering an RBC folate test was restricted to clinicians in gastroenterology and hematology. The option to order the test was removed from other physicians' computerized order entry screens in the EHR

2018 American Journal of Medicine

127. Response of Red Blood Cell Folate to Supplementation in Nonpregnant Women is Predictable: A Proposal for Personalized Supplementation Full Text available with Trip Pro

Response of Red Blood Cell Folate to Supplementation in Nonpregnant Women is Predictable: A Proposal for Personalized Supplementation We modeled red blood cell (RBC)-folate response to supplementation and developed personalized folate supplementation concepts.The changes of RBC-folate were modeled in a time- (4 or 8 weeks) and dose- (400 or 800 μg d-1 folate) dependent manner. Post-supplementation RBC-folate levels were predicted from folate-loading capacities (= measured RBC-folate - [baseline (...) RBC-folate × RBC-survival]). The prediction equations were validated in 119 participants. The median increase of RBC-folate was higher in the 800 μg d-1 than in the 400 μg d-1 group (275 vs 169 nmol L-1 after 4 weeks, and 551 vs 346 nmol L-1 after 8 weeks). Medians (interquartile range) of RBC-folate loading were (4 weeks: 299 (160) vs 409 (237) nmol L-1 ) and (8 weeks: 630 (134) versus 795 (187) nmol L-1 ) in the 400 and 800 μg d-1 group, respectively. The individual measured and predicted RBC

2018 Molecular nutrition & food research Controlled trial quality: uncertain

128. Association of maternal and cord blood folate status and adiposity in the offspring: a systematic review and meta-analysis

Association of maternal and cord blood folate status and adiposity in the offspring: a systematic review and meta-analysis Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content of this registration record, any (...) ischemia, duration of ischemia and duration of reperfusion (if applicable). ">Data to be extracted: animal model Example: Dose, timing of administration, frequency of administration, route of administration, vehicle. ">Data to be extracted: intervention of interest Example: Serum creatinine; continuous; umol/L (may be recalculated from mg/dL). ">Data to be extracted: primary outcome(s) Example: Blood urea nitrogen; continuous; mmol/L (may be recalculated from mg/dL); Renal histological damage

2020 PROSPERO

129. Effects of Combined Enalapril and Folic Acid Therapy on the Serum Uric Acid Levels in Hypertensive Patients: A Multicenter, Randomized, Double-blind, Parallel-controlled Clinical Trial. Full Text available with Trip Pro

Effects of Combined Enalapril and Folic Acid Therapy on the Serum Uric Acid Levels in Hypertensive Patients: A Multicenter, Randomized, Double-blind, Parallel-controlled Clinical Trial. Objective The efficacy of combined treatment consisting of enalapril and folic acid (FA) was compared to that of enalapril alone in reducing the serum uric acid (UA) levels in adult hypertensive patients in China. Methods Patients with mild to moderate hypertension (n=480) were randomly assigned to one of three (...) of adult hypertensive patients, the administration of a daily dose of 10 mg of enalapril combined with 0.8 mg of FA had a greater beneficial effect on the serum UA levels than did that of 10 mg of enalapril alone in patients with either an elevated UA concentration or HUA.

2015 Internal medicine (Tokyo, Japan) Controlled trial quality: predicted high

130. Preconception folate status and reproductive outcomes among a prospective cohort of folate-replete women. (Abstract)

settings.Examine associations between pre-conceptional biomarkers of maternal folate status (folate and homocysteine) and reproductive outcomes in folate-replete women.Cohort nested within the Effects of Aspirin in Gestation and Reproduction (EAGeR) trial, a block-randomized, double-blind, placebo-controlled trial whereby women were randomized to daily low-dose aspirin (81 mg/day) or placebo and all women received folic acid (400 μg/day). 1,228 women with 1-2 previous pregnancy losses and no documented (...) infertility were recruited from 4 clinical sites in the US (2006-12) and were attempting pregnancy for up to 6 menstrual cycles. Log-binomial regression models were used to estimate relative risks (RRs) and 95% confidence intervals between preconception serum folate and plasma homocysteine for anovulation, pregnancy, and pregnancy loss.Higher plasma homocysteine was non-linearly associated with higher risks of pregnancy loss only among women with two prior losses: a relative risk of 1.43 (95% CI: 1.08

2019 American Journal of Obstetrics and Gynecology Controlled trial quality: predicted high

131. Serum folate concentrations, asthma, atopy, and asthma control in Peruvian children. Full Text available with Trip Pro

Serum folate concentrations, asthma, atopy, and asthma control in Peruvian children. The relationship between folate status and asthma-related outcomes has not been carefully examined in low- and middle-income countries where folate deficiency is common.Ancillary analysis of an unmatched case-control study in which we analyzed serum folate concentrations in 412 children with asthma and 342 controls living in peri-urban communities in Lima, Peru. We examined baseline associations between folate (...) and asthma, atopy, total serum IgE, pulmonary function, and fractional exhaled nitric oxide. We then followed children with asthma longitudinally for 6-9 months and assessed associations between folate and odds of uncontrolled asthma (defined as Asthma Control Test score ≤ 19) and of ≥1 emergency visits during follow-up.A 10 ng/mL decrease in serum folate was associated with 45% higher adjusted odds of asthma (OR = 1.45, 95% CI 1.05-2.02). The folate-asthma relationship differed by atopic status: a 10 ng

2017 Respiratory medicine

132. Status of serum vitamin B12 and folate in patients with inflammatory bowel disease in China Full Text available with Trip Pro

Status of serum vitamin B12 and folate in patients with inflammatory bowel disease in China Inflammatory bowel disease (IBD) primarily involves the intestinal tract and can affect vitamin absorption. This study was designed to assess the prevalence of vitamin B12 and folate deficiencies in patients with IBD, and to identify the risk factors associated with abnormal serum vitamin B12 and folate levels.We evaluated the medical records of 195 patients with Crohn's disease (CD) and 62 patients (...) prevalence of abnormal vitamin B12 levels than those without prior resection (n=6/16, n=23/179; P=0.018). A disease duration within 5 years was a risk factor of abnormal folate levels in CD patients.This study showed that vitamin B12 and folate deficiencies were more common in patients with CD than in UC patients and controls. Prior ileal or ileocolonic resection was a risk factor of serum vitamin B12 abnormalities, and a disease duration within 5 years was a risk factor of low serum folate levels in CD

2017 Intestinal research

133. Smart human serum albumin-As2O3 nanodrug with self-amplified folate receptor-targeting ability for chronic myeloid leukemia treatment Full Text available with Trip Pro

Smart human serum albumin-As2O3 nanodrug with self-amplified folate receptor-targeting ability for chronic myeloid leukemia treatment Arsenic trioxide (ATO, As2 O3 ) is currently used to treat acute promyelocytic leukemia. However, expanding its use to include high-dose treatment of other cancers is severely hampered by serious side effects on healthy organs. To address these limitations, we loaded ATO onto folate (FA)-labeled human serum albumin (HSA) pretreated with glutathione (GSH) based (...) on the low pH- and GSH-sensitive arsenic-sulfur bond, and we termed the resulting smart nanodrug as FA-HSA-ATO. FA-HSA-ATO could specifically recognize folate receptor-β-positive (FRβ+) chronic myeloid leukemia (CML) cells, resulting in more intracellular accumulation of ATO. Furthermore, the nanodrug could upregulate FRβ expression in CML cancer cells and xenograft tumor model, facilitating even more recruitment and uptake of FRβ-targeting drugs. In vitro and in vivo experiments indicate

2017 Angewandte Chemie (International ed. in English)

134. Association between Serum Folate and Insulin Resistance among U.S. Nondiabetic Adults Full Text available with Trip Pro

Association between Serum Folate and Insulin Resistance among U.S. Nondiabetic Adults Recent studies have suggested that epigenetic alterations, particularly DNA methylation, play a crucial role in the pathogenesis of insulin resistance. Folate is a key source of the one-carbon group for DNA methylation, whereas the association and mechanistic linkage between folate status and insulin resistance remains unclear with very limited experimental support. We performed a cross-sectional study of 1530 (...) nondiabetic adults in the 2011-2012 National Health and Nutrition Examination Survey (NHANES). We examined associations between serum folate and insulin resistance using multiple linear regression models adjusted for potential confounders. We detected a significant inverse relationship for serum folate, where a 25% increase in serum folate was associated with a 3.06% (95% CI, -4.72, -1.37) and 2.77% (95% CI, -4.36, -1.77) decline in HOMA-IR and insulin respectively, and a 2.55% (95% CI, 0.93, 4.21

2017 Scientific reports

135. The efficacy of gastrodin in combination with folate and vitamin B12 on patients with epilepsy after stroke and its effect on HMGB-1, IL-2 and IL-6 serum levels Full Text available with Trip Pro

The efficacy of gastrodin in combination with folate and vitamin B12 on patients with epilepsy after stroke and its effect on HMGB-1, IL-2 and IL-6 serum levels This study evaluated the efficacy of gastrodin in combination with folate (FOL) and vitamin-B12 (V-B12) on patients with epilepsy after stroke (EAS) and its effect on high-mobility group protein B1 (HMGB-1), interleukin-1 (IL-1), and IL-6 serum levels. The clinical data of 92 EAS patients admitted for treatment between April, 2014 (...) and March, 2016 were collected. These patients were randomly divided into control and observation groups (n=46 each) using computer software. Patients in the control group were administered only regular antiepileptic drugs, whereas observation group patients also received a combination of gastrodin, FOL and V-B12. After treatment, we compared efficacy, frequency of epileptic seizure, and Montreal cognitive assessment (MoCA) scores. Serum homocysteine (HCY), FOL and V-B12 levels were detected 3 months

2017 Experimental and therapeutic medicine Controlled trial quality: uncertain

136. Plasma Homocysteine and Serum Folate and Vitamin B12 Levels in Mild Cognitive Impairment and Alzheimer’s Disease: A Case-Control Study Full Text available with Trip Pro

Plasma Homocysteine and Serum Folate and Vitamin B12 Levels in Mild Cognitive Impairment and Alzheimer’s Disease: A Case-Control Study Homocysteine (Hcy) is a risk factor for brain atrophy, cognitive impairment, and dementia. Vitamin B12 and folate are cofactors necessary for the methylation of Hcy. However, there is some debate regarding the differing levels of plasma Hcy and serum folate and vitamin B12 among healthy controls, patients with mild cognitive impairment (MCI), and patients (...) with Alzheimer's disease (AD). This study aimed to evaluate how the levels of plasma Hcy and its biological determinants, folate and vitamin B12, are related to MCI and AD in older Chinese adults. This is a case-control study including 112 subjects with MCI, 89 AD patients and 115 healthy controls. Diagnosis of AD was made according to the NINCDS-ADRDA and MCI with modified Petersen's criteria. Serum folate and vitamin B12 concentrations were analyzed by radioimmunoassay, and plasma Hcy was assessed by a high

2017 Nutrients

137. Serum homocysteine, folate and vitamin B12 levels in patients with lupus erythematosus: a systematic review and meta-analysis

Serum homocysteine, folate and vitamin B12 levels in patients with lupus erythematosus: a systematic review and meta-analysis Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content of this registration record, any (...) of reperfusion (if applicable). ">Data to be extracted: animal model Example: Dose, timing of administration, frequency of administration, route of administration, vehicle. ">Data to be extracted: intervention of interest Example: Serum creatinine; continuous; umol/L (may be recalculated from mg/dL). ">Data to be extracted: primary outcome(s) Example: Blood urea nitrogen; continuous; mmol/L (may be recalculated from mg/dL); Renal histological damage as assessed by Jablonski scale; continuous; Jablonski score

2019 PROSPERO

138. The effects of isotretinoin treatment on serum homocysteine, folate and vitamin B12 levels in patients with acne: a systematic review and meta-analysis

The effects of isotretinoin treatment on serum homocysteine, folate and vitamin B12 levels in patients with acne: a systematic review and meta-analysis Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content (...) ischemia, duration of ischemia and duration of reperfusion (if applicable). ">Data to be extracted: animal model Example: Dose, timing of administration, frequency of administration, route of administration, vehicle. ">Data to be extracted: intervention of interest Example: Serum creatinine; continuous; umol/L (may be recalculated from mg/dL). ">Data to be extracted: primary outcome(s) Example: Blood urea nitrogen; continuous; mmol/L (may be recalculated from mg/dL); Renal histological damage

2019 PROSPERO

139. Serum Folate, Vitamin B-12, Vitamin A, γ-Tocopherol, α-Tocopherol, and Carotenoids Do Not Modify Associations between Cadmium Exposure and Leukocyte Telomere Length in the General US Adult Population. Full Text available with Trip Pro

interaction between metals and nutrients on LTL has yet to be examined.Objectives: The objective of this study was to evaluate whether serum concentrations of vitamins and carotenoids were associated with LTL, and whether they modified the association between blood cadmium and LTL in the US NHANES (1999-2002).Methods: We evaluated cross-sectional associations between LTL and serum concentrations of vitamin A, γ-tocopherol, α-tocopherol, folate, and vitamin B-12 (1999-2002; n = 7458) and α-carotene, β (...) Serum Folate, Vitamin B-12, Vitamin A, γ-Tocopherol, α-Tocopherol, and Carotenoids Do Not Modify Associations between Cadmium Exposure and Leukocyte Telomere Length in the General US Adult Population. Background: Leukocyte telomere length (LTL) is a biomarker of the aging process and is associated with the risk of chronic disease. Higher exposure to cadmium may be associated with shorter LTL, and adequate nutrient concentrations may be associated with longer LTL; however, the potential

2017 Journal of Nutrition

140. SERUM VITAMIN B12, IRON AND FOLIC ACID DEFICIENCIES IN OBESE INDIVIDUALS SUBMITTED TO DIFFERENT BARIATRIC TECHNIQUES Full Text available with Trip Pro

SERUM VITAMIN B12, IRON AND FOLIC ACID DEFICIENCIES IN OBESE INDIVIDUALS SUBMITTED TO DIFFERENT BARIATRIC TECHNIQUES Different surgical techniques to combat obesity combine malabsorption with restrictive procedures and can lead to metabolic problems, such as micronutrient deficiencies.Assess vitamin B12, iron and folic acid deficiencies associated with the lifestyle of obese individuals having been submitted to different bariatric techniques.A retrospective analysis was performed using (...) the electronic charts of patients submitted to bariatric surgery involving adjustable gastric banding and Roux-en-Y gastric bypass at the São João Hospital Center in the city of Porto, Portugal, between 2005 and 2010. The following data were collected: surgical technique, sex, age, marital status, serum concentrations of vitamin B12, iron and folic acid and postoperative lifestyle. A 5% significance level was used for the statistical analysis (p<0.05).Among 286 individuals evaluated, females accounted

2016 Arquivos Brasileiros de Cirurgia Digestiva : ABCD

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