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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
#1
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
#2
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/28073680/rationale-and-design-of-pemvitastart-an-open-label-randomized-trial-comparing-simultaneous-versus-standard-initiation-of-vitamin-b12-and-folate-supplementation-in-nonsquamous-non-small-cell-lung-cancer-patients-undergoing-first-line-pemetrexed-based-chemotherapy
#3
Milind Baldi, Digambar Behera, Jyotdeep Kaur, Rakesh Kapoor, Navneet Singh
Pemetrexed is the preferred chemotherapeutic drug for nonsquamous, non-small-cell lung cancer patients whenever the predictive molecular biomarkers for targeted therapy have either not been assessed or are absent. As per manufacturers' instructions, supplementation with folic acid (FA; folate) at a dose of 350 to 1000 μg daily should be started seven days before the first dose of pemetrexed-based chemotherapy and continued during therapy and for 21 days after therapy cessation. Vitamin B12 injections (1000 μg intramuscularly) should also be started one week before the first dose of chemotherapy...
December 2, 2016: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28069796/high-dietary-folate-in-pregnant-mice-leads-to-pseudo-mthfr-deficiency-and-altered-methyl-metabolism-with-embryonic-growth-delay-and-short-term-memory-impairment-in-offspring
#4
Renata H Bahous, Nafisa M Jadavji, Liyuan Deng, Marta Cosín-Tomás, Jessica Lu, Olga Malysheva, Kit-Yi Leung, Ming-Kai Ho, Mercè Pallàs, Perla Kaliman, Nicholas DE Greene, Barry J Bedell, Marie A Caudill, Rima Rozen
Methylenetetrahydrofolate reductase (MTHFR) generates methyltetrahydrofolate for methylation reactions. Severe MTHFR deficiency results in homocystinuria and neurologic impairment. Mild MTHFR deficiency (677C>T polymorphism) increases risk for complex traits, including neuropsychiatric disorders. Although low dietary folate impacts brain development, recent concerns have focused on high folate intake following food fortification and increased vitamin use. Our goal was to determine whether high dietary folate during pregnancy affects brain development in murine offspring...
January 9, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28067585/folic-acid-education-for-hispanic-women-the-promotora-de-salud-model
#5
Alina L Flores, Jennifer Isenburg, Christina L Hillard, Leslie deRosset, Lisa Colen, Troy Bush, Cara T Mai
BACKGROUND: Although rates of neural tube defects (NTDs) have declined in the United States since fortification, disparities still exist with Hispanic women having the highest risk of giving birth to a baby with a NTD. The Promotora de Salud model using community lay health workers has been shown to be an effective tool for reaching Hispanics for a variety of health topics; however, literature on its effectiveness in folic acid interventions is limited. MATERIALS AND METHODS: An intervention using the Promotora de Salud model was implemented in four U...
January 9, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28062893/prenatal-alcohol-induced-neuroapoptosis-in-rat-brain-cerebral-cortex-protective-effect-of-folic-acid-and-betaine
#6
Ibrahim Sogut, Onur Uysal, Aysegul Oglakci, Ferruh Yucel, Kazim Kartkaya, Gungor Kanbak
PURPOSE: Alcohol consumption in pregnancy may cause fetal alcohol syndrome (FAS) in the infant. This study aims to investigate prenatal alcohol exposure related neuroapoptosis on the cerebral cortex tissues of newborn rats and possible neuroprotective effects of betaine, folic acid, and combined therapy. METHODS: Pregnant rats were divided into five experimental groups: control, ethanol, ethanol + betaine, ethanol + folic acid, and ethanol + betaine + folic acid combined therapy groups...
January 6, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28057694/nutrition-modification-aimed-at-enhancing-dietary-iron-and-folic-acid-intake-an-application-of-health-belief-model-in-practice
#7
Marzieh Araban, Khadije Baharzadeh, Mahmood Karimy
BACKGROUND: The amount of calories and nutrients required for woman increase during pregnancy and Intake adequate amounts of nutrients is essential for the health of mother and foetal. This study was designed to investigate the effect of nutrition education based on the Health Belief Model (HBM) on calories, iron and folic acid intake for pregnant women. METHODS: This quasi-experimental study was performed on 76 pregnant women referring to four urban health centres of Khuzestan at 2015...
January 4, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28056002/announcement-national-birth-defects-prevention-month-and-folic-acid-awareness-week-january-2017
#8
(no author information available yet)
The Zika virus disease outbreak has led to renewed focus on how some birth defects are caused by infection during pregnancy. "Prevent Infections for Baby's Protection" is the theme of January 2017's National Birth Defects Prevention Month. Birth defects are common, costly, and critical, and they affect one in 33 U.S. babies annually (1). Not all birth defects can be prevented, but women can increase their chances of having a healthy baby by reducing their risk for getting an infection during pregnancy.
January 6, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28054353/factors-related-to-pregnancy-and-birth-and-the-risk-of-childhood-brain-tumours-the-estelle-and-escale-studies-sfce-france
#9
Helen D Bailey, Paula Rios, Brigitte Lacour, Lea Guerrini-Rousseau, Anne-Isabelle Bertozzi, Pierre Leblond, Cécile Faure-Conter, Isabelle Pellier, Claire Freycon, Jean Michon, Stéphanie Puget, Stéphane Ducassou, Laurent Orsi, Jacqueline Clavel
Little is known of the causes of childhood brain tumors (CBT). The aims of this study were to investigate whether extremes of birth weight were associated with increased risk of CBT and whether maternal pre-conceptional folic acid supplementation or breastfeeding reduced the risk. In addition, other maternal characteristics and birth related factors were also investigated. We pooled data from two French national population-based case-control studies with similar designs conducted in 2003-2004 and 2010-2011...
January 5, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28053663/utilization-of-xylose-by-engineered-strains-of-ashbya-gossypii-for-the-production-of-microbial-oils
#10
David Díaz-Fernández, Patricia Lozano-Martínez, Rubén M Buey, José Luis Revuelta, Alberto Jiménez
BACKGROUND: Ashbya gossypii is a filamentous fungus that is currently exploited for the industrial production of riboflavin. The utilization of A. gossypii as a microbial biocatalyst is further supported by its ability to grow in low-cost feedstocks, inexpensive downstream processing and the availability of an ease to use molecular toolbox for genetic and genomic modifications. Consequently, A. gossypii has been also introduced as an ideal biotechnological chassis for the production of inosine, folic acid, and microbial oils...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28052876/pericyte-and-immune-cells-contribute-to-complement-activation-in-tubulointerstitial-fibrosis
#11
Sandhya Xavier, Ranjit K Sahu, Susan G Landes, Jing Yu, Ronald P Taylor, Srinivas Ayyadevara, Judit Megyesi, William B Stallcup, Jeremy S Duffield, Edimara S Reis, John D Lambris, Didier Portilla
We have examined the pathogenic role of increased complement expression and activation during kidney fibrosis. Here we show that PDGFRβ positive pericytes isolated from mice subjected to obstructive or folic acid injury secrete C1q. This was associated with increased production of proinflammatory cytokines, extracellular matrix components, collagens and increased Wnt3a-mediated activation of Wnt/β-catenin signaling, that are hallmarks of myofibroblast activation. Real-time PCR, immunoblots, immunohistochemistry and flow cytometry analysis performed in whole kidney tissue confirmed increased expression of C1q, C1r, C1s as well as complement activation measured as increased synthesis of C3 fragments predominantly in the interstitial compartment...
January 4, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28050621/-a-two-faced-vitamin-folic-acid-prevention-or-promotion-of-colon-cancer
#12
Anke Weißenborn, Anke Ehlers, Karen-I Hirsch-Ernst, Alfonso Lampen, Birgit Niemann
In the late 1930s, it was discovered that liver and yeast extracts can be used to correct certain cases of megaloblastic anemia in pregnancy. The factor responsible for this was isolated from spinach leaves in the 1940s, and referred to as folate, a term derived from the Latin word folium for leaf. Folate is considered an essential nutrient for human beings. Folic acid, the synthetic form of the vitamin, is used in dietary supplements, medicines and fortified foods. Since the 1980s, it has been recommended that women who plan to become pregnant and pregnant women during the first trimester of pregnancy take folic acid supplements...
January 3, 2017: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/28049986/alcoholic-myelopathy-and-nutritional-deficiency
#13
Haruki Koike, Tomohiko Nakamura, Shohei Ikeda, Mie Takahashi, Yuichi Kawagashira, Masahiro Iijima, Masahisa Katsuno, Gen Sobue
A patient with chronic alcoholism presented with myelopathy and low serum folate and cobalamin levels. A 42-year-old alcoholic man had gait disturbance for 4 months. A neurological examination revealed marked spasticity with increased deep tendon reflexes and extensor plantar responses of the lower limbs. His cobalamin level was decreased and his serum folate level was particularly low. His plasma ammonia level was not increased. Abstinence and folic acid and cobalamin supplementation stopped the progression of his neurological deficits...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28042941/a-ph-responsive-self-sacrificial-nanotheranostic-agent-for-potential-in-vivo-and-in-vitro-dual-modal-mri-ct-imaging-real-time-and-in-situ-monitoring-of-cancer-therapy
#14
Ludan Yue, Jinlong Wang, Zhichao Dai, Zunfu Hu, Xue Chen, Yafei Qi, Xiuwen Zheng, Dexin Yu
Multifunctional nanotheranostic agents have been highly commended due to the application to realize image-guided cancer therapy. Herein, based on the chemically disordered face centered cubic (fcc) FePt nanoparticles (NPs) and graphene oxide(GO), we develop a pH-responsive FePt-based multifunctional theranostic agent for potential in vivo and in vitro dual modal MRI/CT imaging and in-situ cancer inhibition. The fcc-FePt will release highly active Fe ions due to the low pH in tumor cells, which would catalyze H2O2 decomposition into reactive oxygen species (ROS) within the cells and further induce cancer cell apoptosis...
January 2, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28042413/association-between-nutritional-status-with-spontaneous-abortion
#15
Rahimeh Ahmadi, Saeideh Ziaei, Sosan Parsay
BACKGROUND: Spontaneous abortion is the most common adverse pregnancy outcome. We aimed to investigate a possible link between nutrient deficiencies and the risk of spontaneous abortion. MATERIALS AND METHODS: This case-control study included the case group (n=331) experiencing a spontaneous abortion before 14 weeks of pregnancy and the control group (n=331) who were healthy pregnant women over 14 weeks of pregnancy. The participants filled out Food Frequency Questionnaire (FFQ), in which they reported their frequency of consumption for a given serving of each food item during the past three months, on a daily, weekly or monthly basis...
January 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28027638/effects-of-bifidobacterium-animalis-lactis-hn019-dr10tm-inulin-and-micronutrient-fortified-milk-on-faecal-dr10tm-immune-markers-and-maternal-micronutrients-among-indonesian-pregnant-women
#16
Noroyono Wibowo, Saptawati Bardosono, Rima Irwinda
BACKGROUND AND OBJECTIVES: Maternal nutrition affects fetal growth and development. This study evaluates the effects of milk powder fortified with micronutrients, docosahexaenoic acid (DHA), a prebiotic, and probiotic Bifidobacterium animalis subsp. lactis HN019 DR10TM on the micronutrient status, as well as the presence of faecal probiotic and immune markers in pregnant women. METHODS AND STUDY DESIGN: This randomised, double- blind, placebo-controlled trial was conducted at Budi Kemuliaan and Cipto Mangunkusumo Hospital in Jakarta from 2013 to 2014...
December 2016: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28025942/nano-medicine-improving-the-bioavailability-of-small-molecules-for-the-prevention-of-neurodegenerative-diseases
#17
Piera Di Martino, Roberta Censi, Maria Rosa Gigliobianco, Luana Zerrillo, Federico Magnoni, Dimitrios Agas, Wilma Quaglia, Giulio Lupidi
Neurodegenerative diseases, including Parkinson's and Alzheimer's, are a heterogeneous group of brain disorders characterized by the progressive degeneration of the structure and function of the central or peripheral nervous system. It is thought that the number of people affected by these pathologies will increase in future decades, particularly in the more economically developed countries, where the populations are experiencing a demographic shift towards older ages. For many of these pathologies, and in particular for Alzheimer's disease, no effective treatments are available, and the consequent economic and social costs are very high...
December 27, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28018922/influence-of-the-expression-of-inflammatory-markers-on-kidney-after-fetal-programming-in-an-experimental-model-of-renal-failure
#18
Carlos Donizete Pereira Júnior, Camila Souza de Oliveira Guimarães, Aline Cristina Souza da Silva, Aldo Rogelis Aquiles Rodrigues, Maria Aparecida da Glória, Vicente de Paula Antunes Teixeira, Niels Olsen Saraiva Câmara, Lenaldo Branco Rocha, Marlene Antônia Dos Reis, Juliana Reis Machado, Laura Penna Rocha, Fernanda Rodrigues Helmo, Rosana Rosa Miranda Corrêa
Objective. To evaluate the expression of inflammatory markers in experimental renal failure after fetal programming. Methods. The offspring aged two and five months were divided into four groups: CC (control dams, control offspring); DC (diabetic dams, control offspring); CFA (control dams, folic acid offspring, 250 mg/Kg); and DFA (diabetic dams, folic acid offspring). Gene expression of inflammatory markers MCP-1, IL-1, NOS3, TGF-β, TNF-α, and VEGF was evaluated by RT-PCR. Results. MCP-1 was increased in the CFA and DFA groups at two and five months of age, as well as in DC5 when compared to CC5...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/28012564/an-intensified-dosing-schedule-of-subcutaneous-methotrexate-in-patients-with-moderate-to-severe-plaque-type-psoriasis-metop-a-52-week-multicentre-randomised-double-blind-placebo-controlled-phase-3-trial
#19
Richard B Warren, Ulrich Mrowietz, Ralph von Kiedrowski, Johannes Niesmann, Dagmar Wilsmann-Theis, Kamran Ghoreschi, Ina Zschocke, Thomas M Falk, Norbert Blödorn-Schlicht, Kristian Reich
BACKGROUND: Methotrexate is one of the most commonly used systemic drugs for the treatment of moderate to severe psoriasis; however, high-quality evidence for its use is sparse and limited to use of oral dosing. We aimed to assess the effect of an intensified dosing schedule of subcutaneous methotrexate in patients with moderate to severe plaque-type psoriasis. METHODS: We did this prospective, multicentre, randomised, double-blind, placebo-controlled, phase 3 trial (METOP) at 16 sites in Germany, France, the Netherlands, and the UK...
December 21, 2016: Lancet
https://www.readbyqxmd.com/read/28011630/a-polycycstin-type-transient-receptor-potential-trp-channel-that-is-activated-by-atp
#20
David Traynor, Robert R Kay
ATP and ADP are ancient extra-cellular signalling molecules that in Dictyostelium amoebae cause rapid, transient increases in cytosolic calcium due to an influx through the plasma membrane. This response is independent of hetero-trimeric G-proteins, the putative IP3 receptor IplA and all P2X channels. We show, unexpectedly, that it is abolished in mutants of the polycystin-type transient receptor potential channel, TrpP. Responses to the chemoattractants cyclic-AMP and folic acid are unaffected in TrpP mutants...
December 23, 2016: Biology Open
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