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https://www.readbyqxmd.com/read/28100499/gremlin1-plays-a-key-role-in-kidney-development-and-renal-fibrosis
#1
Rachel H Church, Imran Ali, Mitchel Tate, Deborah Lavin, Arjun Krishnakumar, Helena M Kok, Roel Goldschmeding, Finian Martin, Derek Brazil
Grem1, an antagonist of bone morphogenetic proteins, plays a key role in embryogenesis. A highly specific temporospatial gradient of Grem1 and BMP signalling is critical to normal lung, kidney and limb development. Grem1 levels are increased in renal fibrotic conditions including acute kidney injury, diabetic nephropathy, chronic allograft nephropathy and immune glomerulonephritis. A small number of grem1-/- whole body knockout mice on a mixed genetic background (8 %) are viable, with a single, enlarged left kidney and grossly normal histology...
January 18, 2017: American Journal of Physiology. Renal Physiology
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/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
#3
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/28058423/rapidly-cell-penetrating-and-reductive-milieu-responsive-nanoaggregates-assembled-from-an-amphiphilic-folate-camptothecin-prodrug-for-enhanced-drug-delivery-and-controlled-release
#4
Zhigang Xu, Meili Hou, Xiaoxiao Shi, Yong-E Gao, Peng Xue, Shiying Liu, Yuejun Kang
Accurate diagnosis and treatment based on small molecular prodrugs can enhance drug efficiency and reduce side-effects during cancer therapy. Herein, we report the preparation of a type of glutathione (GSH)-responsive small prodrug delivery system based on targeting folic acid (FA) and conjugating with the hydrophobic antitumor drug camptothecin (CPT) via disulfide bonds. The obtained prodrug is capable of high and precise drug loading (36.8 wt%) and can self-assemble into nanoaggregates with an average size of 46...
January 6, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28050421/the-effect-of-folic-acid-supplementation-on-hyperhomocysteinemia-and-pulmonary-function-parameters-in-chronic-obstructive-pulmonary-disease-a-pilot-study
#5
Naushad Ahmad Khan, Harish Saini, Govind Mawari, Suman Kumar, Harmanjit Singh Hira, Mradul Kumar Daga
INTRODUCTION: Preliminary studies have established the elevated plasma total Homocysteine (tHcy) levels as a risk factor for Chronic Obstructive Pulmonary Disease (COPD). However, studies describing plasma tHcy levels and their relationship to folic acid supplementation and Forced Expiratory Volume in 1 Second (FEV1) status in COPD patients are still lacking. AIM: We investigated the role of hyperhomocysteinemia in COPD and then prospectively examined the relationship between plasma tHcy concentration and effect of folic acid supplementation on FEV1 status in COPD patients...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28008752/high-levels-of-iron-supplementation-prevents-neural-tube-defects-in-the-fpn1-ffe-mouse-model
#6
Bethany A Stokes, Julia A Sabatino, Irene E Zohn
BACKGROUND: Periconception maternal nutrition and folate in particular are important factors influencing the incidence of neural tube defects (NTDs). Many but not all NTDs are prevented by folic acid supplementation and there is a pressing need for additional strategies to prevent these birth defects. Other micronutrients such as iron are potential candidates, yet a clear role for iron deficiency in contributing to NTDs is lacking. Our previous studies with the flatiron (ffe) mouse model of Ferroportin1 (Fpn1) deficiency suggest that iron is required for neural tube closure and forebrain development raising the possibility that iron supplementation could prevent NTDs...
December 23, 2016: Birth Defects Research. Part A, Clinical and Molecular Teratology
https://www.readbyqxmd.com/read/27998714/a-nutraceutical-approach-armolipid-plus-to-reduce-total-and-ldl-cholesterol-in-individuals-with-mild-to-moderate-dyslipidemia-review-of-the-clinical-evidence
#7
Vivencio Barrios, Carlos Escobar, Arrigo Francesco Giuseppe Cicero, David Burke, Peter Fasching, Maciej Banach, Eric Bruckert
Compelling evidence supports the effectiveness of the reduction of total and LDL cholesterol (TC and LDL-C) in primarily preventing cardiovascular events, within the framework of life-long prevention programs mainly consisting in lifestyle changes. Pharmacological treatment should be introduced when lifestyle changes, including use of nutraceuticals, have failed. ESC/EAS guidelines list a number of nutraceutical compounds and functional foods which have been individually studied in randomized, controlled clinical trials (RCTs)...
February 2017: Atherosclerosis. Supplements
https://www.readbyqxmd.com/read/27998415/-effects-of-both-folic-acid-p16-protein-expression-and-their-interaction-on-progression-of-cervical-cancerization
#8
W L Jia, L Ding, Z Y Ren, T T Wu, W M Zhao, S L Fan, J T Wang
Objective: To explore the effects of both folic acid, p16 protein expression and their interaction on progression of cervical cancerization. Methods: Participants were pathologically diagnosed new cases, including 80 women with normal cervical (NC), 55 patients with low-grade cervical intraepithelial neoplasia (CINⅠ), 55 patients with high-grade cervical intraepithelial neoplasia (CINⅡ/Ⅲ) and 64 patients with cervical squamous cell carcinoma (SCC). Serum folate levels were detected by microbiological assay method while p16 protein expression levels were measured by Western-blot...
December 10, 2016: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/27994001/stability-of-the-human-sperm-dna-methylome-to-folic-acid-fortification-and-short-term-supplementation
#9
D Chan, S McGraw, K Klein, L M Wallock, C Konermann, C Plass, P Chan, B Robaire, R A Jacob, C M T Greenwood, J M Trasler
STUDY QUESTION: Do short-term and long-term exposures to low-dose folic acid supplementation alter DNA methylation in sperm? SUMMARY ANSWER: No alterations in sperm DNA methylation patterns were found following the administration of low-dose folic acid supplements of 400 μg/day for 90 days (short-term exposure) or when pre-fortification of food with folic acid and post-fortification sperm samples (long-term exposure) were compared. WHAT IS KNOWN ALREADY: Excess dietary folate may be detrimental to health and DNA methylation profiles due to folate's role in one-carbon metabolism and the formation of S-adenosyl methionine, the universal methyl donor...
December 18, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27904562/hyperhomocysteinemia-low-vitamin-b12-and-low-folic-acid-are-risk-factors-of-cerebral-vascular-thrombosis-in-northwest-iran
#10
Ali Akbar Taheraghdam, Nooriyeh Dalirakbari, Mohammad Khalili, Madjid Soltani, Saeid Sadeghieh Ahari
BACKGROUND: Cerebral vascular thrombosis (CVT) is the thrombosis of intracranial and sinuses. The aim of this is to estimate of risk of low folic acid, low vitamin B12, and hyperhomocysteinemia (hyper-Hcys) for CVT. MATERIALS AND METHODS: A total of 24 patients with CVT and 36 healthy controls participated in a cross-sectional case-control study. The deficient levels of folic acid and vitamin B12 defined as <10(th) percentile of folic acid and vitamin B12 level and hyper-Hcys was defined as >90(th) percentile of homocysteine of control group...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27883261/prevention-of-neural-tube-defects-in-lrp-mutant-mouse-embryos-by-folic-acid-supplementation
#11
Julia A Sabatino, Bethany A Stokes, Irene E Zohn
BACKGROUND: Neural tube defects (NTDs) are among the most common structural birth defects in humans and are caused by the complex interaction of genetic and environmental factors. Periconceptional supplementation with folic acid can prevent NTDs in both mouse models and human populations. A better understanding of how genes and environmental factors interact is critical toward development of rational strategies to prevent NTDs. Low density lipoprotein-related protein 2 (Lrp2) is involved in endocytosis of the folic acid receptor among numerous other nutrients and ligands...
November 24, 2016: Birth Defects Research. Part A, Clinical and Molecular Teratology
https://www.readbyqxmd.com/read/27876876/fabrication-of-functional-hollow-microspheres-constructed-from-mof-shells-promising-drug-delivery-systems-with-high-loading-capacity-and-targeted-transport
#12
Xuechuan Gao, Xiao Hai, Huricha Baigude, Weihua Guan, Zhiliang Liu
An advanced multifunctional, hollow metal-organic framework (MOF) drug delivery system with a high drug loading level and targeted delivery was designed and fabricated for the first time and applied to inhibit tumour cell growth. This hollow MOF targeting drug delivery system was prepared via a simple post-synthetic surface modification procedure, starting from hollow ZIF-8 successfully obtained for the first time via a mild phase transformation under solvothermal conditions. As a result, the hollow ZIF-8 exhibits a higher loading capacity for the model anticancer drug 5-fluorouracil (5-FU)...
November 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27872568/weekly-iron-folic-acid-supplementation-plays-differential-role-in-maintaining-iron-markers-level-in-non-anaemic-and-anaemic-primigravida-a-randomized-controlled-study
#13
Hari Shankar, Neeta Kumar, Rajat Sandhir, Suneeta Mittal, Santosh Kurra, Lakhbir Dhaliwal, Gurjit Kaur, Nomita Chandhiok, B S Dhillon, D N Rao
: Anaemia during pregnancy is most commonly observed and highly prevalent in South-East Asia. Various effective programmes have been laid down for its management, mainly daily supplementation of iron folic acid (IFA) tablets. Following the same, standard obstetrical practice has included the IFA supplementation without requiring the determination of iron deficiency. In this study, a total of 120 primigravida (N = 60; non-anaemic (Hb > 11 g/dl) and N = 60 anaemic (Hb = 8-11 g/dl)) were selected among those attending the Antenatal Clinic in Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India...
November 2016: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/27867887/cross-sectional-study-of-nutritional-markers-in-pregnancy
#14
Subhadra Sharma, Jai Bhagwan Sharma, Manisha Yadav, B R Usha, Sunesh Kumar, A K Mukhopadhyay
OBJECTIVES: To note the value of serum Vitamin B12, folic acid, and ferritin in normal and high-risk pregnancies (HRPs) in patients attending antenatal clinic at All India Institute of Medical Sciences (AIIMS). MATERIALS AND METHODS: This is a cross-sectional study where a total of 282 patients attending Gynaecology Outpatient Department at AIIMS, New Delhi, India were recruited. Among the 282 subjects, 251 were pregnant, and 31 were controls. The serum was tested for serum Vitamin B12, serum folic acid, and serum ferritin levels using Beckman Coulter Access 2 immunoassay...
November 2016: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27858927/is-folic-acid-supplementation-useful-for-chronic-kidney-disease
#15
Gonzalo A Bravo-Soto, Trinidad Madrid
Patients with chronic kidney disease have higher cardiovascular risk than general population, a fact that has been linked to high homocysteine levels. Folic acid supplementation can reduce homocysteine levels, which would reduce cardiovascular events. However, there is controversy about the clinical effects of this measure. Searching in Epistemonikos database, which is maintained by screening 30 databases, we identified six systematic reviews comprising 13 trials addressing the question of this article. We combined the evidence using meta-analysis and generated a summary of findings following the GRADE approach...
November 7, 2016: Medwave
https://www.readbyqxmd.com/read/27825815/anemia-and-hematinic-deficiencies-in-anti-gastric-parietal-cell-antibody-positive-or-all-autoantibodies-negative-recurrent-aphthous-stomatitis-patients
#16
Hung-Pin Lin, Yu-Hsueh Wu, Yi-Ping Wang, Yang-Che Wu, Julia Yu-Fong Chang, Andy Sun
BACKGROUND/PURPOSE: Approximately 13% of recurrent aphthous stomatitis (RAS) patients have serum anti-gastric parietal cell antibody (GPCA) positivity. This study assessed whether serum GPCA or RAS itself was a significant factor causing hematinic deficiencies and anemia statuses in GPCA-positive RAS (GPCA+/RAS) and all autoantibodies-negative RAS (Abs-/RAS) patients. METHODS: The mean corpuscular volume (MCV) and mean blood hemoglobin (Hb), iron, vitamin B12, and folic acid levels were measured and compared between any two of three groups of 31 GPCA+/RAS patients, 240 Abs-/RAS patients, and 342 healthy control subjects...
November 5, 2016: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/27799239/effectiveness-of-complementary-food-supplements-and-dietary-counselling-on-anaemia-and-stunting-in-children-aged-6-23-months-in-poor-areas-of-qinghai-province-china-a-controlled-interventional-study
#17
Yanfeng Zhang, Qiong Wu, Wei Wang, Michelle Helena van Velthoven, Suying Chang, Huijun Han, Min Xing, Li Chen, Robert W Scherpbier
OBJECTIVE: To assess the effectiveness of dietary counselling and complementary food supplements on anaemia and stunting prevalence in children aged 6-23 months. DESIGN: A controlled intervention study with measurements of height and haemoglobin levels, and cross-sectional surveys in August 2012 (baseline), 2013 (mid-term) and 2014 (end-line). SETTING: One intervention county and one control county in rural Qinghai Province, China. INTERVENTION: Complementary food supplements (containing protein, fat, carbohydrate, vitamin A, B1, B2, B12, D3, folic acid, iron, zinc and calcium) and complementary feeding counselling were given in the intervention county...
October 31, 2016: BMJ Open
https://www.readbyqxmd.com/read/27790466/maternal-health-situation-in-bihar-and-madhya-pradesh-a-comparative-analysis-of-state-fact-sheets-of-national-family-health-survey-nfhs-3-and-4
#18
REVIEW
Ranjit Kumar Dehury, Janmejaya Samal
INTRODUCTION: Maternal health constitutes the health of women during pregnancy, childbirth and the postpartum period. Bihar and Madhya Pradesh (MP) constitute the Empowered Action Group (EAG) states under National Rural Health Mission (NRHM) and are consistently having poor maternal health indicators. AIM: The main objective of this study was to assess the maternal health situation of Bihar and MP based on National Family Health Survey (NFHS-3) and 4 fact sheets...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27781559/folic-acid-decorated-polyamidoamine-dendrimer-mediates-selective-uptake-and-high-expression-of-genes-in-head-and-neck-cancer-cells
#19
Leyuan Xu, Shannon Kittrell, W Andrew Yeudall, Hu Yang
AIM: Folic acid (FA)-decorated polyamidoamine dendrimer G4 (G4-FA) was synthesized and studied for targeted delivery of genes to head and neck cancer cells expressing high levels of folate receptors (FRs). METHODS: Cellular uptake, targeting specificity, cytocompatibility and transfection efficiency were evaluated. RESULTS: G4-FA competes with free FA for the same binding site. G4-FA facilitates the cellular uptake of DNA plasmids in a FR-dependent manner and selectively delivers plasmids to FR-high cells, leading to enhanced gene expression...
November 2016: Nanomedicine
https://www.readbyqxmd.com/read/27780269/comparative-assessment-of-vitamin-b12-folic-acid-and-homocysteine-levels-in-relation-to-p53-expression-in-megaloblastic-anemia
#20
Manish K Yadav, Nandini M Manoli, SubbaRao V Madhunapantula
BACKGROUND: Megaloblastic anemia (MBA), also known as macrocytic anemia, is a type of anemia characterized by decreased number of RBCs as well as the presence of unusually large, abnormal and poorly developed erythrocytes (megaloblasts), which fail to enter blood circulation due to their larger size. Lack of vitamin-B12 (VB12) and / or folate (Vitamin-B9, VB9) with elevated homocysteine is the key factor responsible for megaloblastic anemia. Prior studies have demonstrated the induction of apoptosis in these abnormal under-developed erythrocytes...
2016: PloS One
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