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https://www.readbyqxmd.com/read/28891336/polyunsaturated-fatty-acid-based-targeted-nanotherapeutics-to-enhance-the-therapeutic-efficacy-of-docetaxel
#1
Thiruganesh Ramasamy, Pasupathi Sundaramoorthy, Hima Bindu Ruttala, Yongjoo Choi, Woo Hyun Shin, Jee-Heon Jeong, Sae Kwang Ku, Han-Gon Choi, Hwan Mook Kim, Chul Soon Yong, Jong Oh Kim
Since breast cancer is one of the most lethal malignancies, targeted strategies are urgently needed. In this study, we report the enhanced therapeutic efficacy of docetaxel (DTX) when combined with polyunsaturated fatty acids (PUFA) for effective treatment of multi-resistant breast cancers. Folic acid (FA)-conjugated PUFA-based lipid nanoparticles (FA-PLN/DTX) was developed. The physicochemical properties, in vitro uptake, in vitro cytotoxicity, and in vivo anticancer activity of FA-PLN/DTX were evaluated. FA-PLN/DTX could efficiently target and treat human breast tumor xenografts in vivo...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28885005/mof-mediated-destruction-of-cancer-using-the-cell-s-own-hydrogen-peroxide
#2
Hadi Ranji-Burachaloo, Fatemeh Karimi, Ke Xie, Qiang Fu, Paul A Gurr, Dave E Dunstan, Greg G Qiao
A novel reduced iron metal-organic framework nanoparticle with cytotoxicity specific to cancer cells is presented. This nanoparticle was prepared via a hydrothermal method, reduced using hydroquinone, and finally conjugated with folic acid (namely, rMOF-FA). The synthesized nanoparticle shows the controlled release of iron in an acidic ex-vivo environment. Iron present on the rMOF-FA and released into solution can react with high levels of hydrogen peroxide found specifically in cancer cells to increase the hydroxyl radical concentration...
September 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28866652/the-effects-of-high-and-low-doses-of-folic-acid-on-oxidation-of-protein-levels-during-pregnancy-a-randomized-double-blind-clinical-trial
#3
Javad Shiralizadeh, Haleh Barmaki, Sanya Haiaty, Yousef Faridvand, Mostafa Mostafazadeh, Narmin Mokarizadeh, Amir Kamrani, Alireza Isazadeh, Nazila Fathi Maroufi
Objective Oxidants include important active molecules which are created in the body and attack biological molecules especially lipids, carbohydrates, nucleic acids and proteins, and cause oxidation and various diseases in the body. Antioxidants existing in the body help to avoid the incidence of these injuries. Pregnant women are among those where oxidation of biological molecules may do irreparable damage to them and their embryos. So, the purpose of this study was to review the effect of folic acid with both high (5 mg/day) and low (0...
September 4, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28851385/factors-associated-with-dietary-supplement-use-in-saudi-pregnant-women
#4
Hanan A Alfawaz, Nasiruddin Khan, Najlaa AlOteabi, Syed D Hussain, Nasser M Al-Daghri
BACKGROUND: The aim was to investigate the prevalence of dietary supplement use among pregnant Saudi women and its associations between various demographics. METHODS: In this cross-sectional study, a total of 137 pregnant women attending prenatal care from King Salman Hospital completed a self-administered questionnaire including socio-demographic characteristics, general awareness, attitude and behavior towards use of dietary supplements during pregnancy. RESULTS: Dietary supplement use among Saudi women in pregnancy was high (71...
August 29, 2017: Reproductive Health
https://www.readbyqxmd.com/read/28846595/maternal-prenatal-folic-acid-supplementation-programs-offspring-lipid-metabolism-by-aberrant-dna-methylation-in-hepatic-atgl-and-adipose-lpl-in-rats
#5
Xue Yang, Yifan Huang, Changhao Sun, Jie Li
The effects of maternal prenatal folic acid supplementation (FAS) on offspring lipid metabolism in adulthood remains unclear, although prenatal FAS is compulsively suggested in many countries. Female Sprague-Dawley rats were fed with control (CON) or FAS diets before and during pregnancy. Male offspring of CON and FAS dams were further divided into two groups at seven weeks for CON and high-fat (HF) diet interventions for eight weeks in adulthood (n = 10). The interactive effects of maternal prenatal FAS and offspring HF in adulthood on lipid metabolism and DNA methylation of genes involved in lipids metabolism were assessed...
August 26, 2017: Nutrients
https://www.readbyqxmd.com/read/28844822/diet-and-fertility-a-review
#6
REVIEW
Audrey J Gaskins, Jorge E Chavarro
The literature on the relationship between diet and human fertility has greatly expanded over the last decade, resulting in the identification of a few clear patterns. Intake of supplemental folic acid, particularly at doses higher than those recommended for the prevention of neural tube defects, has been consistently related to lower frequency of infertility, lower risk of pregnancy loss, and greater success in infertility treatment. On the other hand and despite promising evidence from animal models, vitamin D does not appear to exert an important role in human fertility in the absence of deficiency...
August 24, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28825768/factors-associated-with-compliance-of-folic-acid-consumption-among-pregnant-women
#7
Yael Yagur, Saja Anaboussi, Mordechai Hallak, Alon Shrim
BACKGROUND: The prevalence of major malformations in the general population is estimated at 5% of all live births. Prenatal diagnosis is an important scientific tool that allows reliable consultation and improves pregnancy outcome. In 2008, congenital malformations were the leading cause of death in Muslim infants and the second cause of death in Jewish infants in Israel. It is known that folic acid consumption prior to pregnancy decreases the rate of several fetal malformations. OBJECTIVES: To assess the folic acid consumption rate and to characterize variables associated with its use among pregnant women attending a rural medical center...
August 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28818086/mediterranean-diet-folic-acid-and-neural-tube-defects
#8
REVIEW
Maximilian Fischer, Mauro Stronati, Marcello Lanari
The Mediterranean diet has been for a very long time the basis of food habits all over the countries of the Mediterranean basin, originally founded on rural models and low consumption of meat products and high-fat/high-processed foods. However, in the modern era, the traditional Mediterranean diet pattern is now progressively eroding due to the widespread dissemination of the Western-type economy, life-style, technology-driven culture, as well as the globalisation of food production, availability and consumption, with consequent homogenisation of food culture and behaviours...
August 17, 2017: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/28816346/homocysteine-lowering-interventions-for-preventing-cardiovascular-events
#9
REVIEW
Arturo J Martí-Carvajal, Ivan Solà, Dimitrios Lathyris, Mark Dayer
BACKGROUND: Cardiovascular disease, which includes coronary artery disease, stroke and peripheral vascular disease, is a leading cause of death worldwide. Homocysteine is an amino acid with biological functions in methionine metabolism. A postulated risk factor for cardiovascular disease is an elevated circulating total homocysteine level. The impact of homocysteine-lowering interventions, given to patients in the form of vitamins B6, B9 or B12 supplements, on cardiovascular events has been investigated...
August 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28797054/large-scale-wheat-flour-folic-acid-fortification-program-increases-plasma-folate-levels-among-women-of-reproductive-age-in-urban-tanzania
#10
Ramadhani A Noor, Ajibola I Abioye, Nzovu Ulenga, Salum Msham, George Kaishozi, Nilupa S Gunaratna, Ramadhani Mwiru, Erin Smith, Christina Nyhus Dhillon, Donna Spiegelman, Wafaie Fawzi
There is widespread vitamin and mineral deficiency problem in Tanzania with known deficiencies of at least vitamin A, iron, folate and zinc, resulting in lasting negative consequences especially on maternal health, cognitive development and thus the nation's economic potential. Folate deficiency is associated with significant adverse health effects among women of reproductive age, including a higher risk of neural tube defects. Several countries, including Tanzania, have implemented mandatory fortification of wheat and maize flour but evidence on the effectiveness of these programs in developing countries remains limited...
2017: PloS One
https://www.readbyqxmd.com/read/28768831/two-international-round-robin-studies-showed-good-comparability-of-5-methyltetrahydrofolate-but-poor-comparability-of-folic-acid-measured-in-serum-by-different-high-performance-liquid-chromatography-tandem-mass-spectrometry-methods
#11
COMPARATIVE STUDY
Zia Fazili, Maya R Sternberg, Neelima Paladugula, Christine M Pfeiffer
Background: Serum folate methods produce different results. The comparability of HPLC-mass spectrometry (MS)/MS methods is not well documented.Objective: We conducted an international "round-robin" investigation to assess the comparability, precision, and accuracy of serum folate HPLC-MS/MS methods.Methods: The CDC laboratory, 7 laboratories with independently developed methods (group 1), and 6 laboratories with an adapted CDC method (group 2) analyzed folate forms in 6 serum pools and 6 calibrators from the CDC (duplicate analysis over 2 d) and in two 3-level reference materials (duplicate analysis)...
September 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28765779/effects-of-folic-acid-supplementation-on-serum-homocysteine-levels-lipid-profiles-and-vascular-parameters-in-post-menopausal-korean-women-with-type-2-diabetes-mellitus
#12
Aswathy Vijayakumar, Eun-Kyung Kim, Hyesook Kim, Young Ju Choi, Kap Bum Huh, Namsoo Chang
BACKGROUND/OBJECTIVES: Complications of diabetes, such as cardiovascular disease, are associated with increased mortality among type 2 diabetes mellitus patients. Homocysteine has been recently identified as a predictor of cardiovascular disease-related complications in diabetes. We investigated whether or not supplementation with folic acid tablets can lower homocysteine levels and improve parameters related with vascular complications. SUBJECTS/METHODS: We conducted a non-randomized 8-week trial involving postmenopausal diabetic women (n = 25) supplemented with 800 µg of folic acid (400 µg twice a day) daily...
August 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28763449/identification-of-factors-associated-with-stillbirth-in-the-indian-state-of-bihar-using-verbal-autopsy-a-population-based-study
#13
Rakhi Dandona, G Anil Kumar, Amit Kumar, Priyanka Singh, Sibin George, Mohammad Akbar, Lalit Dandona
BACKGROUND: India was estimated to have the largest numbers of stillbirths globally in 2015, and the Indian government has adopted a target of <10 stillbirths per 1,000 births by 2030 through the India Newborn Action Plan (INAP). The objective of this study was to use verbal autopsy interviews to examine factors associated with stillbirth in the Indian state of Bihar and make recommendations for the INAP to better inform the setting of priorities and actions to reduce stillbirths. METHODS AND FINDINGS: Verbal autopsy interviews were conducted for deaths including stillbirths that occurred from January 2011 to March 2014 in a sample of 109,689 households (87...
August 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28748002/high-levels-of-circulating-folate-concentrations-are-associated-with-dna-methylation-of-tumor-suppressor-and-repair-genes-p16-mlh1-and-mgmt-in-elderly-chileans
#14
Hugo Sanchez, Mohammad B Hossain, Lydia Lera, Sandra Hirsch, Cecilia Albala, Ricardo Uauy, Karin Broberg, Ana M Ronco
BACKGROUND: Changes in DNA methylation, one of the most studied epigenetic mechanisms, are considered an initial marker for early cancer detection. We evaluated how availability of dietary factors (folates and vitamin B12) involved in one-carbon metabolism may contribute to DNA methylation changes of cancer-related genes in human subjects. METHODS: We studied, by pyrosequencing, the methylation of tumor suppressor gene p16, DNA repair genes MLH1 and MGMT, and the repetitive element LINE-1 (as a surrogate for global DNA methylation), in blood of elderly individuals (n = 249) who had been exposed to folic acid (FA) through FA-fortified wheat flour during the last 12 years...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28724645/effect-of-maternal-high-dosages-of-folic-acid-supplements-on-neurocognitive-development-in-children-at-4-5-y-of-age-the-prospective-birth-cohort-infancia-y-medio-ambiente-inma-study
#15
MULTICENTER STUDY
Desirée Valera-Gran, Eva M Navarrete-Muñoz, Manuela Garcia de la Hera, Ana Fernández-Somoano, Adonina Tardón, Jesús Ibarluzea, Nekane Balluerka, Mario Murcia, Llúcia González-Safont, Dora Romaguera, Jordi Julvez, Jesús Vioque
Background: The benefits of the use of folic acid supplements (FASs) during the periconception period to prevent neural tube defects and to ensure normal brain development in offspring are well known. There is concern, however, about the long-term effects of the maternal use of high dosages of FASs that exceed the Tolerable Upper Intake Level (UL) (≥1000 μg/d) on child neurocognitive outcomes.Objective: The objective of the study was to examine the association between the use of high dosages of FASs during pregnancy and child neuropsychological development at ages 4-5 y...
September 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28715002/cationic-folate-mediated-liposomal-delivery-of-bis-arylidene-oxindole-induces-efficient-melanoma-tumor-regression
#16
Chandra Kumar Elechalawar, Kathyayani Sridharan, Abhishek Pal, Mohammed Tanveer Ahmed, Mohammed Yousuf, Susanta Sekhar Adhikari, Rajkumar Banerjee
The folate receptor (FR) is a well-validated and common target for cancer due to its high over-expression in many different cancer cells. Herein, we developed a new FR-targeting ligand (FA8) by conjugating folic acid and a cationic lipid. Owing to its favorable structural property FA8 as a ligand could be accommodated at an unusually higher molar ratio for a ligand-targeted liposome. We then encapsulated a drug-like molecule, bis-arylidene oxindole (NME2), in the targeted liposome. The resulting formulation induced potent caspase-8 up-regulation even in FR-moderately expressing melanoma cells...
August 22, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28692689/factors-influencing-maternal-nutrition-practices-in-a-large-scale-maternal-newborn-and-child-health-program-in-bangladesh
#17
Phuong H Nguyen, Tina Sanghvi, Sunny S Kim, Lan M Tran, Kaosar Afsana, Zeba Mahmud, Bachera Aktar, Purnima Menon
Improving maternal nutrition practices during pregnancy is essential to save lives and improve health outcomes for both mothers and babies. This paper examines the maternal, household, and health service factors influencing maternal nutrition practices in the context of a large scale maternal, newborn, and child health (MNCH) program in Bangladesh. Data were from a household survey of pregnant (n = 600) and recently delivered women (n = 2,000). Multivariate linear and logistic regression analyses were used to examine the determinants of three outcomes: consumption of iron and folic acid (IFA) tablets, calcium tablets, and diverse diets...
2017: PloS One
https://www.readbyqxmd.com/read/28682891/influence-of-phenylketonuria-s-diet-on-dimethylated-arginines-and-methylation-cycle
#18
Fernando Andrade, Olalla López-Suárez, Marta Llarena, María L Couce, Luis Aldámiz-Echevarría
Phenylketonuria's (PKU) treatment based on low natural protein diet may affect homocysteine (Hcys) metabolic pathway. Hcys alteration may be related to the methylation of arginine to asymmetric dimethylarginine (ADMA) and symmetric dimethylarginine (SDMA), which both modify nitric oxide production. The aim of this work is to evaluate the status of Hcys formation methylation cycle and ADMA and SDMA levels in patients with PKU in order to establish a potential relationship.Forty-two early diagnosed PKU patients under dietary treatment and good adherence to their diets were enrolled in this cross-sectional study...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28645012/associations-between-toxic-and-essential-trace-elements-in-maternal-blood-and-fetal-congenital-heart-defects
#19
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
#20
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
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