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https://www.readbyqxmd.com/read/27926514/novel-amphiphilic-folic-acid-cholesterol-chitosan-micelles-for-paclitaxel-delivery
#1
Li-Chun Cheng, Yan Jiang, Yu Xie, Lu-Lu Qiu, Qing Yang, Hui-Yi Lu
In order to decrease the toxicity of paclitaxel (PTX) and increase the efficiency, we developed an amphiphilic PTX injection system using a biodegradable and biocompatible polymer synthesized by folic acid, cholesterol, and chitosan (FACC). This FACC-based polymer had a low critical concentration (64.13μg/ml) and could self-assemble in aqueous condition to form nanoscale micelles. The particle sizes of FACC-PTX micelles were 253.2±0.56 nm, the encapsulation efficiency and loading capacity of these FACC-PTX micelles were 65...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27925712/quantitative-assessment-of-nutrition-in-patients-with-polycystic-ovary-syndrome-pcos
#2
Małgorzata Szczuko, Magdalena Skowronek, Marta Zapałowska-Chwyć, Andrzej Starczewski
Background: PCOS (polycystic ovary syndrome) is called a pathology of the XX century and affects at least 10-15% women of childbearing age. The therapy involves pharmacotherapy of hormonal imbalance, as well as the change of lifestyle, including the diet. Objective: Performing the quantitative assessment of components of diets of women with PCOS, comparing the results with current dietary standards for Polish people and defining dietary requirements for the patients...
2016: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/27918586/impact-of-preconception-micronutrient-supplementation-on-anemia-and-iron-status-during-pregnancy-and-postpartum-a-randomized-controlled-trial-in-rural-vietnam
#3
Phuong H Nguyen, Melissa Young, Ines Gonzalez-Casanova, Hoa Q Pham, Hieu Nguyen, Truong V Truong, Son V Nguyen, Kimberly B Harding, Gregory A Reinhart, Reynaldo Martorell, Usha Ramakrishnan
OBJECTIVE: Preconception micronutrient interventions may be a promising approach to reduce anemia and iron deficiency during pregnancy, but currently we have limited data to inform policies. We evaluated whether providing additional pre-pregnancy weekly iron-folic acid (IFA) or multiple micronutrient (MM) supplements compared to only folic acid (FA) improves iron status and anemia during pregnancy and early postpartum. METHODS: We conducted a double blind randomized controlled trial in which 5011 Vietnamese women were provided with weekly supplements containing either only 2800 μg FA (control group), IFA (60 mg Fe and 2800 μg FA) or MM (15 micronutrients with similar amounts of IFA)...
2016: PloS One
https://www.readbyqxmd.com/read/27917408/prostate-specific-membrane-antigen-targeted-polymersomes-for-delivering-mocetinostat-and-docetaxel-to-prostate-cancer-cell-spheroids
#4
Fataneh Karandish, Manas K Haldar, Seungyong You, Amanda E Brooks, Benjamin D Brooks, Bin Guo, Yongki Choi, Sanku Mallik
Prostate cancer cells overexpress the prostate-specific membrane antigen (PSMA) receptors on the surface. Targeting the PSMA receptor creates a unique opportunity for drug delivery. Docetaxel is a Food and Drug Administration-approved drug for treating metastatic and androgen-independent prostate cancer, and mocetinostat is a potent inhibitor of class I histone deacetylases. In this study, we prepared reduction-sensitive polymersomes presenting folic acid on the surface and encapsulating either docetaxel or mocetinostat...
November 30, 2016: ACS Omega
https://www.readbyqxmd.com/read/27908565/determinants-of-hyperhomocysteinemia-in-healthy-and-hypertensive-subjects-a-population-based-study-and-systematic-review
#5
REVIEW
Liyuan Han, Yanfen Liu, Changyi Wang, Linlin Tang, Xiaoqi Feng, Thomas Astell-Burt, Qi Wen, Donghui Duan, Nanjia Lu, Guodong Xu, Kaiyue Wang, Lu Zhang, Kaibo Gu, Sihan Chen, Jianping Ma, Tao Zhang, Dingyun You, Shiwei Duan
AIMS: Hyperhomocysteinemia (HHcy) is known to increase the risk of many diseases. Factors influencing HHcy in healthy and hypertensive subjects remain under-researched. METHODS: A large population-based study was conducted in 60 communities from Shenzhen, China. Responses to standardized questions on lifestyle factors and blood samples were collected from all participants after a 12-h overnight fast. Multiple linear and multivariate logistic regressions were used to explore risk factors for HHcy...
November 19, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/27905647/-cleft-lip-palate-and-flour-fortification-with-folic-acid-in-chile
#6
Angélica Paulos, Paulina Pino, Gabriel Cavada, Carolina Lagos, Valentina Broussain, Andrea Hasbún
BACKGROUND: The effect of food fortification with folic acid on the incidence of lip-palate fissures (FLP) is under discussion. AIM: To calculate the rate of hospital discharges due to cleft lip and palate (CLP) and explore whether they decreased after the start of folic acid fortification in Chile. MATERIAL AND METHODS: The hospital discharge databases published by the Chilean Ministry of Health were analyzed. The trends of discharge rates due to CLP of children of less than one year of life (ICD-10 Q350-379 code) and live births (lb) were calculated from 1986 to 2012...
August 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/27904616/effect-of-folic-acid-and-metformin-on-insulin-resistance-and-inflammatory-factors-of-obese-children-and-adolescents
#7
Elham Hashemi Dehkordi, Farnaz Sattari, Abolfazl Khoshdel, Karamali Kasiri
BACKGROUND: Considering the increasing trend of obesity, especially in developing countries such as Iran, and the role of inflammatory factors and insulin resistance (IR) in the occurrence of obesity-related complications as well as the safety of some agents such as folic acid and metformin, this clinical trial was designed to investigate the effect of metformin and folic acid on inflammatory factors and IR among obese children. MATERIALS AND METHODS: In this randomized, double-blind, controlled clinical trial study, sixty obese children aged 6-12 years were enrolled...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27901355/folic-acid-conjugated-and-ag-carrying-organoclay-nanoparticles-and-their-response-to-l929-fibroblast-and-dld-1-cancer-cells
#8
Zakir M O Rzayev, Sevda Khalilova, Kouroush Salimi
This work presents the synthesis and characterization of intercalated nanocomposites (NCs) from dispersed water solution blends of octadecyl amine-montmorillonite (ODA-MMT) (NC-0), folic acid (FA) conjugated ODA-MMT (NC-1) and Ag-MMT clay as a stable silver carrying agent (NC-2). The composition, chemical/physical and morphology of NCs with in situ intercalating nanostructures were investigated. Effect of organoclay, FA and Ag-MMT on L929 fibroblast (control), human colon carcinoma (DLD-1) cell lines, and the cytotoxicity, apoptosis and necrosis degree were estimated via WST-1/hemocytometric, double staining (as a ribonuclease A enzyme based method) and fluorescence microscopy methods in dose-dependent manner...
November 30, 2016: Journal of Microencapsulation
https://www.readbyqxmd.com/read/27892656/cytochrome-p450-bioconjugate-as-a-nanovehicle-for-improved-chemotherapy-treatment
#9
Katrin Quester, Karla Juarez-Moreno, Isamel Secundino, Yvonne Roseinstein, Karla P Alejo, Alejandro Huerta-Saquero, Rafael Vazquez-Duhalt
Cancer is still a growing public health problem, especially breast cancer that is one of the most important cancers in women. Chemotherapy, even though a successful treatment, is accompanied by severe side effects. Moreover, most of the drugs used for chemotherapy are administered as prodrugs and need to be transformed to the active form by cytochromes P450 (CYPs). In addition, increasing numbers of cancer tissues show lower CYP activity than the surrounding healthy tissues in which prodrugs are preferentially activated causing cytotoxicity...
November 28, 2016: Macromolecular Bioscience
https://www.readbyqxmd.com/read/27886045/nutrition-one-carbon-metabolism-and-neural-tube-defects-a-review
#10
REVIEW
Kelei Li, Mark L Wahlqvist, Duo Li
Neural tube defects (NTDs) are a group of severe congenital malformations, induced by the combined effects of genes and the environment. The most valuable finding so far has been the protective effect of folic acid supplementation against NTDs. However, many women do not take folic acid supplements until they are pregnant, which is too late to prevent NTDs effectively. Long-term intake of folic acid-fortified food is a good choice to solve this problem, and mandatory folic acid fortification should be further promoted, especially in Europe, Asia and Africa...
November 23, 2016: Nutrients
https://www.readbyqxmd.com/read/27885843/current-evaluation-and-management-of-anaemia-in-patients-with-inflammatory-bowel-disease
#11
Julia Martin, Heinfried H Radeke, Axel Dignass, Jürgen Stein
Anaemia is a common extraintestinal manifestation in IBD patients and considerably impacts disease prognosis, hospitalisation rates and time lost from work. While iron deficiency anaemia is predominant, combinations of haematimetric and biochemical markers enable detection and targeted therapy of other aetiologies including vitamin B12/folic acid deficiencies, haemolysis, myelosuppression and pharmacotherapies. Areas covered: Current literature was searched for articles focusing on aetiology, diagnostics and therapy of anaemia in IBD...
November 25, 2016: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27884302/folic-acid-supplementation-and-chronic-kidney-disease-progression
#12
Christina M Wyatt, J David Spence
In contrast to prior studies demonstrating no benefit or even increased harm from B vitamin supplementation in patients with chronic kidney disease, a large randomized trial from China recently demonstrated small but statistically significant reductions in the risk of first stroke and chronic kidney disease progression with the addition of folic acid to enalapril in adults with hypertension. Differences in the study population and study intervention may explain these discordant results.
December 2016: Kidney International
https://www.readbyqxmd.com/read/27883070/ph-responsive-virus-like-nanoparticles-with-enhanced-tumour-targeting-ligands-for-cancer-drug-delivery
#13
Roya Biabanikhankahdani, Noorjahan Banu Mohamed Alitheen, Kok Lian Ho, Wen Siang Tan
Multifunctional nanocarriers harbouring specific targeting moieties and with pH-responsive properties offer great potential for targeted cancer therapy. Several synthetic drug carriers have been studied extensively as drug delivery systems but not much information is available on the application of virus-like nanoparticles (VLNPs) as multifunctional nanocarriers. Here, we describe the development of pH-responsive VLNPs, based on truncated hepatitis B virus core antigen (tHBcAg), displaying folic acid (FA) for controlled drug delivery...
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27882049/different-effects-of-myoinositol-plus-folic-acid-versus-combined-oral-treatment-on-androgen-levels-in-pcos-women
#14
Ali Cenk Ozay, Ozlen Emekci Ozay, Recep Emre Okyay, Erkan Cagliyan, Tuncay Kume, Bulent Gulekli
Recently, myoinositol (myo-ins) and folic acid combination has gained an important role for treating Polycystic Ovary Syndrome (PCOS), in addition to combined oral contraceptives (COC). We aimed to examine myo-ins effects on anti-Mullerian hormone (AMH) levels and compare them with those ones obtained administering COC. In this prospective study, 137 PCOS patients, diagnosed according to Rotterdam criteria and admitted to the Reproductive Endocrinology and Infertility Outpatient Clinic at Dokuz Eylul University (Izmir, Turkey), were included...
2016: International Journal of Endocrinology
https://www.readbyqxmd.com/read/27876556/homocysteine-and-disease-causal-associations-or-epiphenomenons
#15
REVIEW
Luciana Hannibal, Henk J Blom
Nutritional and genetic deficiencies of folate and vitamin B12 lead to elevation of cellular homocysteine (Hcy), which translates in increased plasma Hcy. The sources and role of elevated plasma Hcy in pathology continues to be a subject of intense scientific debate. Whether a cause, mediator or marker, little is known about the molecular mechanisms and interactions of Hcy with cellular processes that lead to disease. The use of folic acid reduces the incidence of neural tube defects, but the effect of Hcy-lowering interventions with folic acid in cardiovascular disease and cognitive impairment remains controversial...
November 19, 2016: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/27875950/targeted-delivery-of-cabazitaxel-by-conjugation-to-albumin-peg-folate-nanoparticles-using-a-cysteine-acrylate-linker-and-simple-synthesis-conditions
#16
Mohammad Kazem Khoeeniha, Mehdi Esfandyari-Manesh, Hossein Behrouz, Mohsen Amini, Behrang Shiri Varnamkhasti, Fatemeh Atyabi, Rassoul Dinarvand
Cabazitaxel (CBZ) is a new taxane approved by the FDA for treatment of castration-resistant prostate cancer not responding to docetaxel. However, CBZ is not a suitable substrate for p-glycoprotein 60, an efflux pump which transports anticancer drugs out of malignant cells and is therefore a promising drug for treatment of multidrug resistant tumors. Similar to other taxanes, the presence of Tween 80 in the CBZ formulation shows that it is insoluble in water. Therefore, to increase the solubility and circulation time, a CBZ-albumin conjugate was synthesized...
November 22, 2016: Current Drug Delivery
https://www.readbyqxmd.com/read/27870961/design-and-construction-of-multifunctional-hyperbranched-polymers-coated-magnetite-nanoparticles-for-both-targeting-magnetic-resonance-imaging-and-cancer-therapy
#17
Asemeh Mashhadi Malekzadeh, Ali Ramazani, Seyed Jamal Tabatabaei Rezaei, Hassan Niknejad
Magnetic drug targeting is a drug delivery strategy that can be used to improve the therapeutic efficiency on tumor cells and reduce the side effects on normal cells and tissues. The aim in this study is designing a novel multifunctional drug delivery system based on superparamagnetic nanoparticles for cancer therapy. Magnetic nanoparticles were synthesized by coprecipitation of iron oxide followed by coating with poly citric acid (PCA) dendritic macromolecules via bulk polymerization strategy. It was further surface-functionalized with poly(ethylene glycol) (PEG) and then to achieve tumor cell targeting property, folic acid was further incorporated to the surface of prepared carriers via a facile coupling reaction between the hydroxyl end group of the PEG and the carboxyl group of folic acid...
November 10, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27860192/metabolite-profiling-of-whole-murine-embryos-reveals-metabolic-perturbations-associated-with-maternal-valproate-induced-neural-tube-closure-defects
#18
Darya Akimova, Bogdan J Wlodarczyk, Ying Lin, M Elizabeth Ross, Richard H Finnell, Qiuying Chen, Steven S Gross
BACKGROUND: Valproic acid (VPA) is prescribed therapeutically for multiple conditions, including epilepsy. When taken during pregnancy, VPA is teratogenic, increasing the risk of several birth and developmental defects including neural tube defects (NTDs). The mechanism by which VPA causes NTDs remains controversial and how VPA interacts with folic acid (FA), a vitamin commonly recommended for the prevention of NTDs, remains uncertain. We sought to address both questions by applying untargeted metabolite profiling analysis to neural tube closure (NTC) stage mouse embryos...
November 18, 2016: Birth Defects Research. Part A, Clinical and Molecular Teratology
https://www.readbyqxmd.com/read/27853366/development-of-plga-lipid-nanoparticles-with-covalently-conjugated-indocyanine-green-as-a-versatile-nanoplatform-for-tumor-targeted-imaging-and-drug-delivery
#19
Yu Xin, Tie Liu, Chenlong Yang
We have prepared novel poly(d,l-lactide-co-glycolide) (PLGA) lipid nanoparticles (PNPs) that covalently conjugate folic acid (FA) and indocyanine green (ICG), in addition to encapsulating resveratrol (RSV) (FA-RSV/ICG-PLGA-lipid NPs, abbreviated as FA-RIPNPs); these nanoparticles have been developed for simultaneous targeted delivery of anticancer drug and fluorescence imaging. The FA-RIPNPs, with an average particle size of 92.8±2.1 nm, were prepared by a facile self-assembly-and-nanoprecipitation method, and they showed excellent stability and biocompatibility characteristics...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27832994/possible-involvement-of-inos-and-tnf-%C3%AE-in-nutritional-intervention-against-nicotine-induced-pancreatic-islet-cell-damage
#20
Ankita Bhattacharjee, Shilpi Kumari Prasad, Swagata Pal, Bithin Maji, Arnab Banerjee, Debasmita Das, Ananya Bose, Nabanita Chatterjee, Sandip Mukherjee
Nicotine is the more abundant and most significant components of cigarette smoke. Epidemiological evidence strongly suggests an association between cigarette smoking and pancreatic injury. Although effects of smoking on endocrine pancreas are still controversial Here, we examined the impact and underlying mechanisms of action of folic acid and vitamin B12 on nicotine induced damage in pancreatic islets of rats. Male Wistar rats were treated with nicotine (3mg/kg body weight/day, intraperitonealy) with or without folic acid (36μg/kg body weight/day, orally) and vitamin B12 (0...
November 7, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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