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Folic acids

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https://www.readbyqxmd.com/read/28650726/maternal-health-related-behaviours-during-pregnancy-a-critical-public-health-issue
#1
Aleksandra Górniaczyk, Barbara Czech-Szczapa, Maciej Sobkowski, Karolina Chmaj-Wierzchowska
AIM: The aim of the study was to investigate the health-related behaviours of pregnant women. Maternal health-related habits, use of psychoactive medicines, diet, prevention of neural tube defects, oral cavity hygiene, chronic diseases and physical activity were analysed in a group of pregnant women attending antenatal classes. METHODS: Hundred pregnant women recruited from various antenatal classes in Poznań, Poland, were investigated using a questionnaire based on the Pregnancy Risk Assessment Monitoring System...
June 26, 2017: European Journal of Contraception & Reproductive Health Care
https://www.readbyqxmd.com/read/28649842/lipo-oligomer-nanoformulations-for-targeted-intracellular-protein-delivery
#2
Peng Zhang, Benjamin Steinborn, Ulrich Lächelt, Stefan Zahler, Ernst Wagner
Here, we report novel lipo-oligoaminoamide nanoformulations for targeted intracellular protein delivery. Formulations are generated by first bioreversibly conjugating a sequence-defined amphiphilic lipo-oligomer 728 to the cargo protein via disulfide bonds, followed by formulation of the formed 728-SS-protein conjugate with different helper lipids in various compositions. The triblock oligoaminoamide 728 contains cysteines for reversible covalent protein conjugation and crosslink-stabilization of formed nanoparticles, polyethylene glycol (PEG) for shielding and providing a hydrophilic domain, eight cationizable succinoyl tetraethylene pentamine (Stp) repeats for endosomal buffering and escape into the cytosol, and a tetra-oleic acid block for hydrophobic stabilization...
June 26, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28649192/deleterious-effects-of-chronic-folate-deficiency-in-the-ts65dn-mouse-model-of-down-syndrome
#3
Susan Helm, Morgan Blayney, Taylor Whited, Mahjabin Noroozi, Sen Lin, Semira Kern, David Green, Ahmad Salehi
Folate is an important B vitamin naturally found in the human diet and plays a critical role in methylation of nucleic acids. Indeed, abnormalities in this major epigenetic mechanism play a pivotal role in the pathogenesis of cognitive deficit and intellectual disability in humans. The most common cause of cognitive dysfunction in children is Down syndrome (DS). Since folate deficiency is very common among the pediatric population, we questioned whether chronic folate deficiency (CFD) exacerbates cognitive dysfunction in a mouse model of DS...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28646122/nintedanib-a-triple-tyrosine-kinase-inhibitor-attenuates-renal-fibrosis-in-chronic-kidney-disease
#4
Feng Liu, Li Wang, Hualin Qi, Jun Wang, Wei Jiang, Yi Wang, Liuqing Xu, Na Liu, Shougang Zhuang
<span style="margin: 0px; color: black; line-height: 200%; font-family: 'Times New Roman',serif; font-size: 12pt;">Nintedanib (BIBF1120) is a triple kinase inhibitor</span><span style="margin: 0px; color: black; line-height: 200%; font-family: 'Times New Roman',serif; font-size: 12pt;"> of </span><span style="margin: 0px; color: black; line-height: 200%; font-family: 'Times New Roman',serif; font-size: 12pt;">platelet derived growth factor receptor (PDGFR), fibroblast growth factor receptors (FGFR)</span><span style="margin: 0px; color: black; line-height: 200%; font-family: 'Times New Roman',serif; font-size: 12pt;">, </span><span style="margin: 0px; color: black; line-height: 200%; font-family: 'Times New Roman',serif; font-size: 12pt;">vascular endothelial growth factor receptor (VEGFR)</span><span style="margin: 0px; color: black; line-height: 200%; font-family: 'Times New Roman',serif; font-size: 12pt;"> and Src family kinase, </span><span style="margin: 0px; color: black; line-height: 200%; font-family: 'Times New Roman',serif; font-size: 12pt;">that has recently been approved by FDA to treat idiopathic pulmonary fibrosis...
June 23, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28645012/associations-between-toxic-and-essential-trace-elements-in-maternal-blood-and-fetal-congenital-heart-defects
#5
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/28643525/folic-acid-conjugated-nanoliposomes-as-promising-carriers-for-targeted-delivery-of-bleomycin
#6
Mohsen Chiani, Dariush Norouzian, Mohammad Ali Shokrgozar, Kayhan Azadmanesh, Aazam Najmafshar, Mohammad Reza Mehrabi, Azim Akbarzadeh
Targeted drug delivery has received considerable attention due to its key role in improving therapeutic efficacy and reducing the side effects of anticancer drugs. Bleomycin (BLM) is an anticancer antibiotic with short half-life, low therapeutic and high side effects that limit its clinical applications. This study aims to evaluate the anticancer potential of folate-targeted liposomal bleomycin (FL-BLM) and its free-folate form (L-BLM) on two different cancer cell lines including human cervix carcinoma HeLa, and human breast carcinoma MCF-7 cells...
June 23, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28643511/exceptionally-high-payload-of-ir780-iodide-on-folic-acid-functionalized-graphene-quantum-dots-for-targeted-photothermal-therapy
#7
Shuhua Li, Shixin Zhou, Yunchao Li, Xiaohong Li, Jia Zhu, Louzhen Fan, Shihe Yang
IR780 iodide (IR780) is recognized as an effective theranostic agent for simultaneous near-infrared (NIR) fluorescence imaging and photothermal therapy (PTT). However, the rigid chloro-cyclohexenyl ring makes IR780 insoluble in almost all pharmaceutically acceptable solvents, which inevitably limits its clinical application. We report folic acid (FA)-functionalized graphene quantum dots (GQDs-FA) containing a large and intact sp2-domain with carboxyl groups around the edge. Such GQDs-FA possess exceptionally high loading capacity for IR780 via strong π-π stacking interactions, and the water solubility of IR780 is improved by over 2400-fold after loading onto GQDs-FA (IR780/GQDs-FA)...
June 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28639913/novel-roles-of-folic-acid-as-redox-regulator-modulation-of-reactive-oxygen-species-sinker-protein-expression-and-maintenance-of-mitochondrial-redox-homeostasis-on-hepatocellular-carcinoma
#8
Kun-Goung Lai, Chi-Fen Chen, Chun-Te Ho, Jun-Jen Liu, Tsan-Zon Liu, Chi-Liang Chern
We provide herein several lines of evidence to substantiate that folic acid (or folate) is a micronutrient capable of functioning as a novel redox regulator on hepatocellular carcinoma. First, we uncovered that folate deficiency could profoundly downregulate two prominent anti-apoptotic effectors including survivin and glucose-regulated protein-78. Silencing of either survivin or glucose-regulated protein-78 via small interfering RNA interfering technique established that both effectors could serve as reactive oxygen species sinker proteins...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28639476/effects-of-folic-acid-on-dnmt1-gap43-and-vegfr1-in-intrauterine-growth-restriction-filial-rats
#9
Ying-Xue Ding, Hong Cui
OBJECTIVE: To investigate the effect of a folic acid intervention on the outcome of intrauterine growth restriction (IUGR) filial rats and changes in DNA methyltransferase 1 (DNMT1), growth-associated protein 43 (GAP43), and vascular endothelial growth factor receptor 1 (VEGFR1). METHODS: The IUGR animal model was established using a starvation method in pregnant rats. The animals were randomly divided into 4 groups: normal controls, IUGR rats, IUGR rats given folic acid, and IUGR rats given normal saline...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28637670/a-randomised-double-blind-trial-to-demonstrate-bioequivalence-of-gp2013-and-reference-rituximab-combined-with-methotrexate-in-patients-with-active-rheumatoid-arthritis
#10
Josef S Smolen, Stanley B Cohen, Hans-Peter Tony, Morton Scheinberg, Alan Kivitz, Andra Balanescu, Juan Gomez-Reino, Liyi Cen, Peijuan Zhu, Tamas Shisha
OBJECTIVES: The aim of this report is to demonstrate pharmacokinetic (PK) and pharmacodynamic (PD) equivalence as well as similar efficacy, safety and immunogenicity between GP2013, a biosimilar rituximab, and innovator rituximab (RTX) in patients with rheumatoid arthritis (RA) with inadequate response or intolerance to tumour necrosis factor inhibitor (TNFi) treatment. METHODS: In this multinational, randomised, double-blind, parallel-group study, 312 patients with active disease despite prior TNFi therapy were randomised to receive GP2013 or either the EU (RTX-EU) or the US (RTX-US) reference product, along with methotrexate (MTX) and folic acid...
June 21, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28635608/the-protective-role-of-folic-acid-against-testicular-dysfunction-in-lead-intoxicated-rat-model
#11
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/28633813/multi-stimuli-responsive-smart-chitosan-based-microcapsules-for-targeted-drug-delivery-and-triggered-drug-release
#12
Xuejun Cui, Xinyu Guan, Shuangling Zhong, Jie Chen, Houjuan Zhu, Zhanfeng Li, Fengzhi Xu, Peng Chen, Hongyan Wang
In the present study, we designed a novel, multi-stimuli responsive, biocompatible and non-immunogenic smart carrier for targeted delivery and triggered release of hydrophobic drugs. The designed multi-stimuli responsive smart chitosan-based microcapsules (MSRS-CS-MCs) have been fabricated successfully from folic acid (FA) functionalized thiolated chitosan via a facile sonochemical method. Targeting moiety FA and red fluorescent dye (Rhodamine B isothiocyanate, RITC) were immobilized onto the shells of microcapsules...
September 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28632263/fabrication-of-a-graphene-c60-nanohybrid-via-%C3%AE-cyclodextrin-host-guest-chemistry-for-photodynamic-and-photothermal-therapy
#13
Zhen Hu, Cheng Wang, Feng Zhao, Xirong Xu, Shuhong Wang, Long Yu, Dayu Zhang, Yudong Huang
The wonderful chemical structures and characteristics of low-dimensional carbon materials have exciting applications in life sciences. In the present study, we developed a facile strategy to conjugate C60 with graphene via host-guest chemistry for targeted phototherapy. A versatile carrier based on folic acid-functionalized graphene (GO-FA) and comprising γ-cyclodextrin (γ-CD) at its surface was assembled via π-π interaction, creating hybrid structures with drug storage and tumor targeting properties. This γ-CD-modified graphene (GO-FA/Py-γ-CD) is capable of hosting pristine C60 molecules for the fabrication of a GO-FA/Py-γ-CD/C60 nanohybrid...
June 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/28631291/folate-deficiency-disturbs-hsa-let-7-g-level-through-methylation-regulation-in-neural-tube-defects
#14
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/28628360/genetic-risk-factors-for-folate-responsive-neural-tube-defects
#15
Anne M Molloy, Faith Pangilinan, Lawrence C Brody
Neural tube defects (NTDs) are the most severe congenital malformations of the central nervous system. The etiology is complex, with both genetic and environmental factors having important contributions. Researchers have known for the past two decades that maternal periconceptional use of the B vitamin folic acid can prevent many NTDs. Though this finding is arguably one of the most important recent discoveries in birth defect research, the mechanism by which folic acid exerts this benefit remains unknown. Research to date has focused on the hypothesis that an underlying genetic susceptibility interacts with folate-sensitive metabolic processes at the time of neural tube closure...
June 19, 2017: Annual Review of Nutrition
https://www.readbyqxmd.com/read/28627503/three-layered-polyplex-as-a-microrna-targeted-delivery-system-for-breast-cancer-gene-therapy
#16
Yan Li, Yu Dai, Xiaojin Zhang, Jihua Chen
MicroRNAs (miRNAs), small non-coding RNAs, play an important role in modulating cell proliferation, migration, and differentiation. Since miRNAs can regulate multiple cancer-related genes simultaneously, regulating miRNAs could target a set of related oncogenic genes or pathways. Owing to their reduced immune response and low toxicity, miRNAs with small size and low molecular weight have become increasingly promising therapeutic drugs in cancer therapy. However, one of the major challenges of miRNAs-based cancer therapy is to achieve specific, effective, and safe delivery of therapeutic miRNAs into cancer cells...
June 19, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28624453/folic-acid-attenuates-cobalt-chloride-induced-pge2-production-in-huvecs-via-the-no-hif-1alpha-cox-2-pathway
#17
Yuming Liang, Xiaozhou Zhen, Kaiwen Wang, Jing Ma
Prostaglandin E2 (PGE2), an important lipid inflammatory mediator involved in the progression of vascular diseases, can be induced by hypoxia in many cell types. While folic acid has been shown to protect against inflammation in THP-1 cells during hypoxia and hypoxia-induced endothelial cell injury, whether it might do so by attenuating PGE2 production remains unclear. To investigate this we constructed a hypoxia-induced injury model by treating human umbilical vein endothelial cells (HUVECs) with cobalt chloride (CoCl2), which mimics the effects of hypoxia...
June 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28623904/impact-of-preconceptional-micronutrient-supplementation-on-maternal-mental-health-during-pregnancy-and-postpartum-results-from-a-randomized-controlled-trial-in-vietnam
#18
Phuong H Nguyen, Ann M DiGirolamo, Ines Gonzalez-Casanova, Hoa Pham, Wei Hao, Hieu Nguyen, Truong V Truong, Son Nguyen, Kimberly B Harding, Gregory A Reinhart, Reynaldo Martorell, Usha Ramakrishnan
BACKGROUND: Micronutrient malnutrition has been associated with maternal depressive symptoms (MDS), but little is known about the effects of preconceptional micronutrient supplementation. This paper examined the effects of preconceptional micronutrient supplementation on MDS during pregnancy and postpartum. METHODS: We used data from a double-blind controlled trial (PRECONCEPT) in which 5011 Vietnamese women were randomized to receive weekly supplements containing either a) multiple micronutrients (MM) b) iron and folic acid (IFA) or c) folic acid (FA) until conception (n = 1813)...
June 17, 2017: BMC Women's Health
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
#19
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/28617530/effects-of-folic-acid-combined-with-vitamin-b12-on-dvt-in-patients-with-homocysteine-cerebral-infarction
#20
X-J Shu, Z-F Li, Y-W Chang, S-Y Liu, W-H Wang
OBJECTIVE: To investigate the effects of folic acid combined with vitamin B12 on deep vein thrombosis (DVT) in patients with homocysteine cerebral infarction. PATIENTS AND METHODS: 90 patients with homocysteine cerebral infarction with DVT that were admitted to our hospital from January to July 2015 were selected as study subjects. They were divided into 2 groups randomly, the treatment group (n=45) and the non-treatment group (n=45). The treatment group was administered folic acid and vitamin B12, while the non-treatment group wasn't administered folic acid and vitamin B12...
May 2017: European Review for Medical and Pharmacological Sciences
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