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https://www.readbyqxmd.com/read/28098453/surface-engineered-multifunctional-eu-gd2o3-nanoplates-for-targeted-and-ph-responsive-drug-delivery-and-imaging-applications
#1
Arindam Saha, Subas Chandra Mohanta, Kashmiri Deka, Pritam Deb, Parukuttyamma Sujatha Devi
In this paper, we report the synthesis of surface-engineered multifunctional Eu:Gd2O3 triangular nanoplates with small size and uniform shape via a high-temperature solvothermal technique. Surface engineering has been performed by a one-step polyacrylate coating, followed by controlled conjugation chemistry. This creates the desired number of surface functional groups that can be used to attach folic acid as a targeting ligand on the nanoparticle surface. To specifically deliver the drug molecules in the nucleus, the folate density on the nanoparticle surface has been kept low...
January 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28098215/epigenetic-modifications-at-dmrs-of-placental-genes-are-subjected-to-variations-in-normal-gestation-pathological-conditions-and-folate-supplementation
#2
Beenish Rahat, Aatish Mahajan, Rashmi Bagga, Abid Hamid, Jyotdeep Kaur
Invasive placentation and cancer development shares many similar molecular and epigenetic pathways. Paternally expressed, growth promoting genes (SNRPN, PEG10 and MEST) which are known to play crucial role in tumorogenesis, are not well studied during placentation. This study reports for the first time of the impact of gestational-age, pathological conditions and folic acid supplementation on dynamic nature of DNA and histone methylation present at their differentially methylated regions (DMRs). Here, we reported the association between low DNA methylation/H3K27me3 and higher expression of SNRPN, PEG10 and MEST in highly proliferating normal early gestational placenta...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28097730/exposure-to-reactive-intermediate-inducing-drugs-during-pregnancy-and-the-incident-use-of-psychotropic-medications-among-children
#3
Yen-Hao Tran, Henk Groen, Jorieke E H Bergman, Eelko Hak, Bob Wilffert
PURPOSE: Our study aimed to investigate the association between prenatal exposure to reactive intermediate (RI)-inducing drugs and the initiation of psychotropic medications among children. METHODS: We designed a cohort study using a pharmacy prescription database. Pregnant women were considered exposed when they received a prescription of RI-inducing drugs. These drugs could be either used alone (RI+/FAA-) or combined with drugs exhibiting folic acid antagonism (FAA, RI+/FAA+)...
January 18, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28097362/folic-acid-supplementation-for-the-prevention-of-neural-tube-defects-us-preventive-services-task-force-recommendation-statement
#4
Kirsten Bibbins-Domingo, David C Grossman, Susan J Curry, Karina W Davidson, John W Epling, Francisco A R García, Alex R Kemper, Alex H Krist, Ann E Kurth, C Seth Landefeld, Carol M Mangione, William R Phillips, Maureen G Phipps, Michael P Pignone, Michael Silverstein, Chien-Wen Tseng
Importance: Neural tube defects are among the most common major congenital anomalies in the United States and may lead to a range of disabilities or death. Daily folic acid supplementation in the periconceptional period can prevent neural tube defects. However, most women do not receive the recommended daily intake of folate from diet alone. Objective: To update the 2009 US Preventive Services Task Force (USPSTF) recommendation on folic acid supplementation in women of childbearing age...
January 10, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28097361/folic-acid-supplementation-for-the-prevention-of-neural-tube-defects-an-updated-evidence-report-and-systematic-review-for-the-us-preventive-services-task-force
#5
Meera Viswanathan, Katherine A Treiman, Julia Kish-Doto, Jennifer C Middleton, Emmanuel J L Coker-Schwimmer, Wanda K Nicholson
Importance: Neural tube defects are among the most common congenital anomalies in the United States. Periconceptional folic acid supplementation is a primary care-relevant preventive intervention. Objective: To review the evidence on folic acid supplementation for preventing neural tube defects to inform the US Preventive Services Task Force for an updated Recommendation Statement. Data Sources: MEDLINE, Cochrane Library, EMBASE, and trial registries through January 28, 2016, with ongoing surveillance through November 11, 2016; references; experts...
January 10, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28097357/folic-acid-supplementation-for-prevention-of-neural-tube-defects
#6
Jill Jin
No abstract text is available yet for this article.
January 10, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28097323/folic-acid-for-the-prevention-of-neural-tube-defects-the-us-preventive-services-task-force-statement-on-folic-acid-supplementation-in-the-era-of-mandatory-folic-acid-fortification
#7
https://www.readbyqxmd.com/read/28096758/effects-of-acute-ingestion-of-a-pre-workout-dietary-supplement-with-and-without-p-synephrine-on-resting-energy-expenditure-cognitive-function-and-exercise-performance
#8
Y Peter Jung, Conrad P Earnest, Majid Koozehchian, Elfego Galvan, Ryan Dalton, Dillon Walker, Christopher Rasmussen, Peter S Murano, Mike Greenwood, Richard B Kreider
BACKGROUND: The purpose of this study was to examine the effects of acute ingestion of a pre-workout dietary supplement (PWS) with and without p-synephrine (S) on perceptions of readiness to perform, cognitive function, exercise performance, and markers of safety. METHODS: In a randomized, double-blind, and counterbalanced manner; 25 healthy and recreationally active male and female participants ingested a flavored maltodextrin placebo (PLA), a PWS containing beta-alanine (3 g), creatine nitrate as a salt (2 g), arginine alpha-ketoglutarate (2 g), N-Acetyl-L-Tyrosine (300 mg), caffeine (284 mg), Mucuna pruiriens extract standardized for 15% L-Dopa (15 mg), Vitamin C as Ascorbic Acid (500 mg), niacin (60 mg), folate as folic acid (50 mg), and Vitamin B12 as Methylcobalamin (70 mg) with 2 g of maltodextrin and flavoring; or, the PWS with Citrus aurantium (PWS + S) extract standardized for 30% p-synephrine (20 mg)...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28096757/effects-of-ingesting-a-pre-workout-dietary-supplement-with-and-without-synephrine-for-8%C3%A2-weeks-on-training-adaptations-in-resistance-trained-males
#9
Y Peter Jung, Conrad P Earnest, Majid Koozehchian, Minye Cho, Nick Barringer, Dillon Walker, Christopher Rasmussen, Mike Greenwood, Peter S Murano, Richard B Kreider
BACKGROUND: The purpose of this study was to examine whether ingesting a pre-workout dietary supplement (PWS) with and without synephrine (S) during training affects training responses in resistance-trained males. METHODS: Resistance-trained males (N = 80) were randomly assigned to supplement their diet in a double-blind manner with either a flavored placebo (PLA); a PWS containing beta-alanine (3 g), creatine nitrate as a salt (2 g), arginine alpha-ketoglutarate (2 g), N-Acetyl-L-Tyrosine (300 mg), caffeine (284 mg), Mucuna pruiriens extract standardized for 15% L-Dopa (15 mg), Vitamin C as Ascorbic Acid (500 mg), niacin (60 mg), folate as folic acid (50 mg), and Vitamin B12 as Methylcobalamin (70 mg); or, the PWS supplement with Citrus aurantium extract containing 20 mg of synephrine (PWS + S) once per day for 8-weeks during training...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28096450/analysis-of-genome-instability-biomarkers-in-children-with-non-syndromic-orofacial-clefts
#10
Luíza Araújo da Costa Xavier, João Felipe Bezerra, Adriana Augusto de Rezende, Raffael Azevedo de Carvalho Oliveira, Rodrigo Juliani Siqueira Dalmolin, Viviane Souza do Amaral
The non-syndromic cleft lip and/or palate (NSCL/P) is a common birth defect caused by a combination of genetic and environmental factors. The possible role of genome instability on NSCL/P patient needs more investigation, since DNA metabolism is an essential cellular function to keep cells with normal genotypes and gene expression patterns according to tissue specificities, which is critical during embryo development because it requires sensitive regulation of cell proliferation, apoptosis and differentiation...
January 16, 2017: Mutagenesis
https://www.readbyqxmd.com/read/28096125/dietary-supplements-and-risk-of-cause-specific-death-cardiovascular-disease-and-cancer-a-systematic-review-and-meta-analysis-of-primary-prevention-trials
#11
REVIEW
Lukas Schwingshackl, Heiner Boeing, Marta Stelmach-Mardas, Marion Gottschald, Stefan Dietrich, Georg Hoffmann, Anna Chaimani
Our aim was to assess the efficacy of dietary supplements in the primary prevention of cause-specific death, cardiovascular disease (CVD), and cancer by using meta-analytical approaches. Electronic and hand searches were performed until August 2016. Inclusion criteria were as follows: 1) minimum intervention period of 12 mo; 2) primary prevention trials; 3) mean age ≥18 y; 4) interventions included vitamins, fatty acids, minerals, supplements containing combinations of vitamins and minerals, protein, fiber, prebiotics, and probiotics; and 5) primary outcome of all-cause mortality and secondary outcomes of mortality or incidence from CVD or cancer...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28095801/providing-lipid-based-nutrient-supplement-during-pregnancy-does-not-reduce-the-risk-of-maternal-p-falciparum-parasitaemia-and-reproductive-tract-infections-a-randomised-controlled-trial
#12
Minyanga Nkhoma, Per Ashorn, Ulla Ashorn, Kathryn G Dewey, Austrida Gondwe, John Mbotwa, Stephen Rogerson, Steve M Taylor, Kenneth Maleta
BACKGROUND: Maternal infections are associated with maternal and foetal adverse outcomes. Nutrient supplementation during pregnancy may reduce the occurrence of infections by improving maternal immunity. We aimed to investigate the impact of small-quantity lipid-based nutrient supplement (SQ-LNS) on the occurrence of Plasmodium falciparum parasitaemia during pregnancy and trichomoniasis, vaginal candidiasis and urinary tract infection (UTI) after delivery. METHODS: Pregnant Malawian women enrolled in the iLiNS-DYAD trial receiving daily supplementation with SQ-LNS, multiple micronutrients (MMN) or iron & folic acid (IFA) from <20 gestation weeks (gw) were assessed for P...
January 17, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28095689/folate-binding-protein-self-aggregation-drives-agglomeration-of-folic-acid-targeted-iron-oxide-nanoparticles
#13
Junjie Chen, Sarah Klem, Alexis K Jones, Bradford Orr, Mark M Banaszak Holl
Folate-conjugated nanomaterials have been widely investigated for drug and imaging-agent delivery. In this work, two folic acid (FA) conjugated iron oxide particles (IOP), a ∼40 nm diameter FA-IOP and a ∼450 nm diameter FA-IOP(FA-SeraMag), were synthesized. Both particles aggregated in the presence of serum folate-binding protein (FBP) at physiological concentration and buffer conditions. Mixing 0.01% w/w FA-conjugated iron oxide particles with FBP-induced agglomeration generated an average hydrodynamic particle diameter of 3800 ± 1100 nm for ∼40 nm FA-IOP and 4030 ± 1100 nm for FA-SeraMag as measured by dynamic light scattering (DLS)...
January 18, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28094532/preclinical-comparison-of-albumin-binding-radiofolates-impact-of-linker-entities-on-the-in-vitro-and-in-vivo-properties
#14
Klaudia Siwowska, Stephanie Haller, Francesca Bortoli, Martina Benešová, Viola Groehn, Peter Bernhardt, Roger Schibli, Cristina Müller
Tumor targeting with folic acid radioconjugates has been proposed as a promising strategy for radionuclide therapy of folate receptor α (FR)-positive cancer. Recently, it was shown that modification of radiofolates with an albumin-binding entity increased the tumor-to-kidney ratios of accumulated radioactivity in mice. The goal of this study was to evaluate the lead compound cm10 and compare it with new albumin-binding folate conjugates. Compound cm12 was designed with a long spacer consisting of a PEG-11 entity, and compound cm13 contained a short alkane chain between the albumin-binding moiety and folic acid...
January 17, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28094233/association-between-the-mthfr-c677t-polymorphism-blood-folate-and-vitamin-b12-deficiency-and-elevated-serum-total-homocysteine-in-healthy-individuals-in-yunnan-province-china
#15
Juan Ni, Ling Zhang, Tao Zhou, Wei-Jiang Xu, Jing-Lun Xue, Neng Cao, Xu Wang
BACKGROUND: An increased serum total homocysteine (tHcy) concentration is typically associated with genetic defects involved in Hcy metabolism or related nutritional deficiencies. In this study, the combined effects of methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism and folate and vitamin B12 deficiency on serum total Hcy (tHcy) levels were evaluated in a healthy Chinese population in Yunnan Province, China. METHODS: The MTHFR C677T polymorphism was genotyped in 330 volunteers (164 men and 166 women) using polymerase chain reaction-restriction fragment length polymorphism analysis...
January 13, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28087280/increased-homocysteine-levels-impair-reference-memory-and-reduce-cortical-levels-of-acetylcholine-in-a-mouse-model-of-vascular-cognitive-impairment
#16
Kevin Dam, Martina Füchtemeier, Tracy D Farr, Philipp Boehm-Sturm, Marco Foddis, Ulrich Dirnagl, Olga Malysheva, Marie A Caudill, Nafisa M Jadavji
Folates are B-vitamins that are vital for normal brain function. Deficiencies in folates either genetic (methylenetetrahydrofolate reductase, MTHFR) or dietary intake of folic acid result in elevated levels of homocysteine. Clinical studies have shown that elevated levels of homocysteine (Hcy) may be associated with the development of dementia, however this link remains unclear. The purpose of this study was to evaluate the impact of increased Hcy levels on a mouse model of vascular cognitive impairment (VCI) produced by chronic hypoperfusion...
January 11, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28081459/targeted-delivery-of-in-situ-pcr-amplified-sleeping-beauty-transposon-genes-to-cancer-cells-with-lipid-based-nanoparticle-like-protocells
#17
Kun Ma, Duo Fu, Dongli Yu, Changhao Cui, Li Wang, Zhaoming Guo, Chuanbin Mao
A Sleeping Beauty (SB) transposon system is made of a transposon plasmid (containing gene encoding a desired functional or therapeutic protein) and a transposase plasmid (encoding an enzyme capable of cutting and pasting the gene into the host cell genome). It is a kind of natural, nonviral gene delivery vehicle, which can achieve efficient genomic insertion, providing long-term transgenic expression. However, before the SB transposon system could play a role in promoting gene expression, it has to be delivered efficiently first across cell membrane and then into cell nuclei...
January 2, 2017: Biomaterials
https://www.readbyqxmd.com/read/28079560/prenatal-exposures-and-the-development-of-childhood-wheezing-illnesses
#18
Christian Rosas-Salazar, Tina V Hartert
PURPOSE OF REVIEW: To critically evaluate and summarize studies published between July 2015 and June 2016 linking prenatal exposures and the onset of childhood wheezing illnesses and to discuss future research directions in this field. RECENT FINDINGS: The aggregated evidence indicates a consistent detrimental effect of prenatal exposure to parental smoking, outdoor air pollution, and maternal stress on childhood wheezing illnesses. Less consistent evidence suggests an adverse impact of maternal obesity during pregnancy and prenatal exposure to antibiotics on these outcomes...
January 11, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28079361/controllable-synthesis-of-smart-multifunctional-nanoscal-metal-organic-framework-for-magnetic-resonance-optical-imaging-and-targeted-drug-delivery
#19
Xuechuan Gao, Manjue Zhai, Weihua Guan, Jingjuan Liu, Zhiliang Liu, Alatangaole Damirin
As a result of their extraordinarily large surfaces and well-defined pores, the design of multifunctional metal-organic framework (MOF) is crucial for drug delivery while has been rarely reported. In this paper, a novel drug delivery system (DDS) based on nanoscale metal-organic framework (MOF) was developed for using in cancer diagnosis and therapy. This MOF based tumour targeting DDS was fabricated by a simple post-synthetic surface modification process. Firstly, magnetic mesoporous nanomaterial Fe-MIL-53-NH2 was devoted for encapsulating the drug and served as a magnetic resonance (MR) contrast agent...
January 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28078672/determinants-for-drug-survival-of-methotrexate-in-patients-with-psoriasis-split-for-different-reasons-of-discontinuation-results-of-the-prospective-mtx-capture
#20
M Otero, J van den Reek, M Seyger, P Van Der Kerkhof, W Kievit, E de Jong
BACKGROUND: Methotrexate is a widely used treatment for psoriasis. It is important to gain insight into the reasons for discontinuation of methotrexate and determinants for drug survival. OBJECTIVES: To describe 5-year drug survival for methotrexate in patients with psoriasis split for different reasons of discontinuation, and to identify determinants for drug survival. METHODS: Data were extracted from a prospective psoriasis registry of patients treated with methotrexate (MTX-CAPTURE)...
January 12, 2017: British Journal of Dermatology
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