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https://www.readbyqxmd.com/read/28645012/associations-between-toxic-and-essential-trace-elements-in-maternal-blood-and-fetal-congenital-heart-defects
#1
Yanqiu Ou, Michael S Bloom, Zhiqiang Nie, Fengzhen Han, Jinzhuang Mai, Jimei Chen, Shao Lin, Xiaoqing Liu, Jian Zhuang
Prenatal exposure to toxic trace elements, including heavy metals, is an important public health concern. Few studies have assessed if individual and multiple trace elements simultaneously affect cardiac development. The current study evaluated the association between maternal blood lead (Pb), cadmium (Cd), chromium (Cr), copper (Cu), mercury (Hg), and selenium (Se) levels and congenital heart defects (CHDs) in offspring. This hospital-based case-control study included 112 case and 107 control infants. Maternal peripheral blood draw was made during gestational weeks 17-40 and used to determine trace element levels by inductively coupled plasma mass spectrometry...
June 20, 2017: Environment International
https://www.readbyqxmd.com/read/28635608/the-protective-role-of-folic-acid-against-testicular-dysfunction-in-lead-intoxicated-rat-model
#2
Asmaa Ms Gomaa, Nasser S Abou Khalil, Mohammed A Abdel-Ghani
There is an increasing concern over male reproductive toxicity caused by lead exposure. Folic acid (FA) is supposed to be a promising therapeutic strategy against lead toxicity. Therefore, the aim of this experimental study was to shed light on the potential protective role of FA on lead-induced testicular dysfunction in rats and its possible underlying mechanistic pathways. Rats (n = 24) were divided into four groups: Control, FA, Lead, and FA+Lead group. After 4 weeks, lead intoxication resulted in a marked reduction in the relative testicular weight and the serum level of testosterone, an impairment in the characters of semen analysis, and an increased content of lead, malondialdehyde and both interleukin-6 and -10 and a decreased antioxidant enzyme levels in the testicular tissue homogenate...
July 2017: General Physiology and Biophysics
https://www.readbyqxmd.com/read/28631291/folate-deficiency-disturbs-hsa-let-7-g-level-through-methylation-regulation-in-neural-tube-defects
#3
Li Wang, Shaofang Shangguan, Yu Xin, Shaoyan Chang, Zhen Wang, Xiaolin Lu, Lihua Wu, Bo Niu, Ting Zhang
Folic acid deficiency during pregnancy is believed to be a high-risk factor for neural tube defects (NTDs). Disturbed epigenetic modifications, including miRNA regulation, have been linked to the pathogenesis of NTDs in those with folate deficiency. However, the mechanism by which folic acid-regulated miRNA influences this pathogenesis remains unclear. It is believed that DNA methylation is associated with dysregulated miRNA expression. To clarify this issue, here we measured the methylation changes of 22 miRNAs in 57 human NTD cases to explore whether such changes are involved in miRNA regulation in NTD cases through folate metabolism...
June 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28620818/effects-of-atorvastatin-and-simvastatin-on-oxidative-stress-in-diet-induced-hyperhomocysteinemia-in-wistar-albino-rats-a-comparative-study
#4
T Nikolic, V Zivkovic, I Srejovic, I Stojic, N Jeremic, J Jeremic, K Radonjic, S Stankovic, R Obrenovic, D Djuric, V Jakovljevic
Considering the well-known antioxidant properties of statins, it seems important to assess their impact on major markers of oxidative stress (superoxide anion radical, nitric oxide, and index of lipid peroxidation) to compare the antioxidative potentials of atorvastatin and simvastatin during the different degrees of hyperhomocysteinemia (HHcy) in rats. This study was conducted on adult male Wistar albino rats (n = 90; 4 weeks old; 100 ± 15 g body mass) in which HHcy was achieved by dietary manipulation...
June 15, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28603593/markers-of-inflammation-and-cardiovascular-disease-in-recently-diagnosed-celiac-disease-patients
#5
Walter F Tetzlaff, Tomás Meroño, Martin Menafra, Maximiliano Martin, Eliana Botta, Maria D Matoso, Patricia Sorroche, Juan A De Paula, Laura E Boero, Fernando Brites
AIM: To evaluate novel risk factors and biomarkers of cardiovascular disease in celiac disease (CD) patients compared with healthy controls. METHODS: Twenty adult patients with recent diagnosis of CD and 20 sex, age and body mass index-matched healthy controls were recruited during a period of 12 mo. Indicators of carbohydrate metabolism, hematological parameters and high sensitive C reactive protein were determined. Moreover, lipoprotein metabolism was also explored through evaluation of the lipid profile and the activity of cholesteryl ester transfer protein and lipoprotein associated phospholipase A2, which is also considered a specific marker of vascular inflammation...
May 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28589526/a-large-inner-diameter-multi-walled-carbon-nanotube-based-dual-drug-delivery-system-with-ph-sensitive-release-properties
#6
Tao Yang, Zhenzhen Wu, Pingting Wang, Tingting Mu, Han Qin, Zhimin Zhu, Jian Wang, Lei Sui
A novel dual-drug delivery system (DDDS) for cancer chemotherapy has been established by employing highly purified and mildly oxidized large-inner-diameter multi-walled carbon nanotubes (LID-MWCNTs) as the vector. The LID-MWCNTs were modified with the antitumor drugs, cisplatin (CDDP) and doxorubicin (DOX). CDDP was encapsulated inside the nanotube vectors by a wet-chemical approach while DOX was attached to the external surfaces through non-covalently interaction. The loading efficiencies of CDDP and DOX were as high as 84...
July 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28585624/exploiting-the-biomimetic-and-luminescence-properties-of-multivalent-dendrimer-semiconductor-nanohybrid-materials-in-the-ultra-low-level-determination-of-folic-acid
#7
Somashree Kundu, Susmita Maiti, Tushar Kanti Das, Debasmita Ghosh, Chandra Nath Roy, Abhijit Saha
In view of the enhanced generation of folate receptors in cancerous cells and diseases linked to the deficiency of folic acid, such as anemia, mental devolution, congenital malformation, etc., the development of a simple method for the ultra-sensitive determination of folic acid remains a long-standing issue for practical applications in medicine and biotechnology. Thus, the proposed luminescence based strategy involving multifunctional poly(amidoamine) (PAMAM) dendrimer encapsulated quantum dots (QDs) as a probe provides a simple, fast and efficient method for the selective determination of folic acid at the nano-molar level...
June 6, 2017: Analyst
https://www.readbyqxmd.com/read/28585214/the-interactions-between-kynurenine-folate-methionine-and-pteridine-pathways-in-obesity
#8
Ayse Basak Engin, Atilla Engin
Obesity activates both innate and adaptive immune responses in adipose tissue. Elevated levels of eosinophils with depression of monocyte and neutrophil indicate the deficiencies in the immune system of morbidly obese individuals. Actually, adipose tissue macrophages are functional antigen-presenting cells that promote the proliferation of interferon-gamma (IFN-gamma)-producing CD4+ T cells in adipose tissue of obese subjects. Eventually, diet-induced obesity is associated with the loss of tissue homeostasis and development of type 1 inflammatory responses in visceral adipose tissue...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28581379/bottleneck-analysis-at-district-level-to-illustrate-gaps-within-the-district-health-system-in-uganda
#9
Dorcus Kiwanuka Henriksson, Mio Fredriksson, Peter Waiswa, Katarina Selling, Stefan Swartling Peterson
BACKGROUND: Poor quality of care and access to effective and affordable interventions have been attributed to constraints and bottlenecks within and outside the health system. However, there is limited understanding of health system barriers to utilization and delivery of appropriate, high-impact, and cost-effective interventions at the point of service delivery in districts and sub-districts in low-income countries. In this study we illustrate the use of the bottleneck analysis approach, which could be used to identify bottlenecks in service delivery within the district health system...
2017: Global Health Action
https://www.readbyqxmd.com/read/28579423/serum-phosphorus-and-risk-of-cardiovascular-disease-all-cause-mortality-or-graft-failure-in-kidney-transplant-recipients-an-ancillary-study-of-the-favorit-trial-cohort
#10
Basma Merhi, Theresa Shireman, Myra A Carpenter, John W Kusek, Paul Jacques, Marc Pfeffer, Madhumathi Rao, Meredith C Foster, S Joseph Kim, Todd E Pesavento, Stephen R Smith, Clifton E Kew, Andrew A House, Reginald Gohh, Daniel E Weiner, Andrew S Levey, Joachim H Ix, Andrew Bostom
BACKGROUND: Mild hyperphosphatemia is a putative risk factor for cardiovascular disease [CVD], loss of kidney function, and mortality. Very limited data are available from sizable multicenter kidney transplant recipient (KTR) cohorts assessing the potential relationships between serum phosphorus levels and the development of CVD outcomes, transplant failure, or all-cause mortality. STUDY DESIGN: Cohort study. SETTING & PARTICIPANTS: The Folic Acid for Vascular Outcome Reduction in Transplantation (FAVORIT) Trial, a large, multicenter, multiethnic, controlled clinical trial that provided definitive evidence that high-dose vitamin B-based lowering of plasma homocysteine levels did not reduce CVD events, transplant failure, or total mortality in stable KTRs...
June 2, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28575637/folic-acid-attenuates-homocysteine-and-enhances-antioxidative-capacity-in-atherosclerotic-rats
#11
Shanshan Cui, Wen Li, Xin Lv, Pengyan Wang, Guowei Huang, Yuxia Gao
Atherosclerosis is a chronic disease that can seriously endanger human life. Folic acid supplementation modulates several disorders, including atherosclerosis, via its antiapoptotic and antioxidative properties. This study investigated whether folic acid alleviates atherogenesis by restoring homocysteine levels and antioxidative capacity in atherosclerosis Wistar rats. To this end, 28 Wistar rats were randomly divided into four groups (7 rats/group) as follows: (a) wild-type (WT) group, fed only the AIN-93 semi-purified rodent diet (folic acid: 2...
June 2, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28574605/b-vitamins-and-hip-fracture-secondary-analyses-and-extended-follow-up-of-two-large-randomized-controlled-trials
#12
M Garcia Lopez, K H Bønaa, M Ebbing, E F Eriksen, C G Gjesdal, O Nygård, G S Tell, P M Ueland, H E Meyer
Elevated plasma homocysteine levels are associated with increased risk of fractures in observational studies. However, it is unsettled if homocysteine-lowering treatment affects fracture risk. The aim of this study was to investigate the effect of an intervention with B-vitamins on the risk of hip fracture in a secondary analysis of combined data from two large randomized controlled trials originally designed to study cardiovascular diseases. Both trials had identical design, intervention and primary objective...
June 2, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28573729/development-of-protein-dietary-fiber-and-micronutrient-enriched-extruded-corn-snacks
#13
Faiz-Ul-Hassan Shah, Mian Kamran Sharif, Masood Sadiq Butt, Muhammad Shahid
The study was aimed to develop protein, dietary fiber, and micronutrient enriched corn snacks through extrusion processing. Corn snacks supplemented with chickpea, defatted soy flour (20-40/100 g) and guar gum (7/100 g) were prepared through extrusion processing. Micronutrients (iron, zinc, iodine, and vitamins A, C, and folic acid) at recommended daily values were added in all formulations. Extruded corn snacks were analyzed for physical, textural, and sensory attributes. Results showed that piece density (0...
June 2017: Journal of Texture Studies
https://www.readbyqxmd.com/read/28571526/trpa1-channels-mediate-hgf-response-to-phenytoin
#14
M J López-González, E Luis, O Fajardo, V Meseguer, K Gers-Barlag, S Niñerola, F Viana
Drug-induced gingival enlargement (GE) is a frequent adverse effect observed in patients treated with anticonvulsant, immunosuppressant, and some antihypertensive medications-the antiepileptic phenytoin being the main drug associated with GE due to its high incidence (around 50%). The molecular mechanisms behind drug-induced gingival overgrowth are still unknown. By reverse transcription polymerase chain reaction, we demonstrate that the calcium-permeable ion channels TRPA1, TRPV1, and its capsaicin-insensitive isoform TRPV1b are expressed in human gingival fibroblasts (HGFs), the most abundant cellular type in periodontal tissue...
March 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28569432/plasma-folate-levels-and-associated-factors-in-women-planning-to-become-pregnant-in-a-population-with-high-prevalence-of-neural-tube-defects
#15
Rui Ma, Linlin Wang, Lei Jin, Zhiwen Li, Aiguo Ren
BACKGROUND: Optimal blood folate levels of women before pregnancy are critical to the prevention of neural tube defects (NTDs). However, few studies have focused on blood folate levels of women planning to become pregnant. The aims of this study were to assess plasma folate levels in women who planned to become pregnant in a population with high prevalence of NTDs, to identify factors associated with plasma folate levels, and to evaluate the risk of NTDs at the population level. METHODS: A total of 2065 women were enrolled at the time of premarital health check-up in two rural counties in northern China from November 2009 to December 2012...
June 1, 2017: Birth defects research
https://www.readbyqxmd.com/read/28569356/effects-of-laparoscopic-sleeve-gastrectomy-on-parathyroid-hormone-vitamin-d-calcium-phosphorus-and-albumin%C3%A2-levels
#16
Mehmet Mihmanli, Riza Gurhan Isil, Canan Tulay Isil, Sinan Omeroglu, Pinar Sayin, Sibel Oba, Feyza Yener Ozturk, Yuksel Altuntas
BACKGROUND: Laparoscopic sleeve gastrectomy (LSG) reduces obesity-related co-morbidities, such as diabetes, hypertension, and hyperlipidemia. Endocrinological abnormalities may occur as undesired side effects. Most centers routinely prescribe folic acid, cyanocobalamin (vitB12), and protein replacement in the postoperative period, but 25-OH-vitamin-D3 (vitD) and intact parathyroid hormone (iPTH) levels are not routinely followed up. The aim of this study was to identify the effects of LSG on iPTH, vitD, calcium (Ca), phosphorus (P), alkaline phosphatase (ALP), and albumin levels...
May 31, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28558369/long-non-coding-rna-expression-profiling-in-obesity-mice-with-folic-acid-supplement
#17
Feifei Ma, Wei Li, Renqiao Tang, Zhuo Liu, Shengrong Ouyang, Dingding Cao, Yuanyuan Li, Jianxin Wu
BACKGROUND/AIMS: Obesity is a major contributor to the growing prevalence of metabolic and cardiovascular diseases. This study was designed to investigate the effect of folic acid (FA) on obese mice by detecting the genome-wide expression profile of lncRNAs and mRNAs in the heart. METHODS: Heart samples were collected from mice fed with standard diet (SD), high-fat diet (HFD) and high-fat diet with FA intake (HFDF). LncRNAs and mRNAs between HFD and HFDF group were analyzed by lncRNA microarray...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28551248/evaluating-folate-extraction-from-infant-milk-formulae-and-adult-nutritionals-enzymatic-digestion-versus-enzyme-free-heat-treatment
#18
Maria V Chandra-Hioe, Martin P Bucknall, Jayashree Arcot
This study compares enzymatic treatments to release folic acid (FA) and endogenous 5-methyltetrahydrofolate (5-MTHF) from infant milk formulae with enzyme-free heat extraction. The limits of detection and quantitation of FA were 1.4ng/mL and 3.1ng/mL, respectively; 7.5ng/mL and 16.2ng/mL for 5-MTHF. Absolute mean recoveries were 85% (FA) and 95% (5-MTHF). The RSD of the within-run variability was 6% and the inter-day variability was 8%. Averaged measurements of FA and 5-MTHF in SRM-1849a were within the certified value range...
November 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28542653/-folate-and-pregnancy-current-concepts-it-is-required-folic-acid-supplementation
#19
Erika Castaño, Raúl Piñuñuri, Sandra Hirsch, Ana María Ronco
Folate intake during pregnancy is essential for an adequate fetal and placental development and for the long time health of the individual. Its deficiency may induce fetal pathologies, including neural tube disease (NTD). Therefore, several countries implemented public policies to fortify foods with folic acid (FA). Chile started the fortification of wheat flour with FA in the year 2000, decreasing a 43% the prevalence of NTD. However, despite the high consumption of bread (the main fortified food with FA) by our population, a high number of pregnant women consume FA supplements, thus, over passing the maximal recommended FA intake...
April 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28540268/effects-of-high-and-low-doses-of-folic-acid-on-the-soluble-receptor-activator-of-nuclear-factor-kappa-b-ligand-osteoprotegerin-ratio-during-pregnancy
#20
Nazila Fathi Maroufi, Amir Ghorbanihaghjo, Manizheh Sayyah Melli, Maryam Vaezi, Zohreh Hekmati Azar Mehrabani, Maryam Bannazadeh Amirkhiz, Nadereh Rashtchizadeh
BACKGROUND: Pregnancy Associated Osteoporosis (PAO) can lead to serious difficulties such as fragility fractures, elongated back pain and height loss in affected women. Soluble Receptor Activator of Nuclear Factor-Kappa B ligand (sRANKL) to Osteoprotegerin (OPG) ratio is chosen as a bone metabolism equation in many bone diseases characterized by bone resorption, such as post-menopausal osteoporosis and would be modified with folic acid supplementation. This study was done to compare the effects of high dose (5mg/day) and low dose (0...
April 2017: Iranian Journal of Public Health
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