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Folic acids

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https://www.readbyqxmd.com/read/28819945/adolescent-pregnancies-complications-birth-outcomes-and-the-possible-solutions
#1
Tayfur Çift, Engin Korkmazer, Muzaffer Temur, Berk Bulut, Bariş Korkmaz, Onur Ozdenoğlu, Cem Akaltun, Emin Üstünyurt
OBJECTIVES: In this study we aim to evaluate antenatal, perinatal and postnatal outcomes and complications of adolescent pregnancies, as well as to discuss the social and psychological consequences of these pregnancies. MATERIAL AND METHODS: We compare a total of 243 pregnant women at age 14-18 years to a vast control group at age 19-36 who all delivered at Bursa Yüksek Ihtisas Training and Research Hospital between years 2005-2014. RESULTS: Antenatal care (folic acid supplementation, pre-conception counseling) was significantly higher in adolescent pregnancy group...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28819616/maternal-risk-factors-associated-with-the-development-of-cleft-lip-and-cleft-palate-in-mexico-a-case-control-study
#2
Emmanuel Angulo-Castro, Luis F Acosta-Alfaro, Alma M Guadron-Llanos, Adrian Canizalez-Román, Fernando Gonzalez-Ibarra, Ignacio Osuna-Ramírez, Joel Murillo-Llanes
INTRODUCTION: Cleft lip and palate, the most common developmental deformity, is seen worldwide and the etiology involves a combination of genetic and environmental factors. The purpose of this study was to determine the maternal risk factors associated with the development of cleft lip and cleft palate. MATERIALS AND METHODS: We conducted a case control study at the Women's Hospital in Culiacan, Mexico. Medical records were analyzed, including patients who delivered babies with and without cleft lip and cleft palate from January 2010 to December 2015...
July 2017: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28818268/-metformin-resistant-folic-acid-producing-probiotics-or-folic-acid-against-metformin-s-adverse-effects-like-diarrhea
#3
Abdullah Olgun
Metformin, first line medication in the treatment of type2 diabetes by millions of patients worldwide, causes gastrointestinal adverse effects (i.e. diarrhea) in approximately 30% of patients, frequently leading to discontinuation. Interestingly, metformin was reported to increase life span in a microscopic worm, Caenorhabditis elegans, by decreasing folate and methionine production of bacteria that this worm uses as a food source. Metformin can be expected to have a similar effect on some microorganisms of human gut microbiota...
September 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28818086/mediterranean-diet-folic-acid-and-neural-tube-defects
#4
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
#5
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/28816294/-optimization-of-alkaline-hydrolysis-based-on-the-side-chain-of-diethyl-ester-4-amino-n-5-formyl-n-8-n-10-dideazatetrahydrofolic-acid
#6
M M Yuan, M Wang, J Y Liu, Z L Zhang
OBJECTIVE: To optimize and establish the best hydrolysis method of diethyl ester 4-amino-N(5)-formyl-N(8), N(10)-dideazatetrahydrofolate through the optimization of simple compound of diethyl N-(4-aminobenzoyl)-L-glutamate. METHODS: To increase the low yield of hydrolysis reaction of diethyl ester 4-amino-N(5)-formyl-N(8), N(10)-dideazatetrahydrofolate due to the by-products and difficult purification, we studied the effect of NaOH and KOH, two kinds of alkalis, three concentrations between 0...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816120/b-vitamins-in-stroke-prevention-time-to-reconsider
#7
REVIEW
J David Spence, Qilong Yi, Graeme J Hankey
B vitamin therapy lowers plasma total homocysteine concentrations, and might be a beneficial intervention for stroke prevention; however, cyanocobalamin (a form of vitamin B12) can accelerate decline in renal function and increase the risk of cardiovascular events in patients with impaired renal function. Although early trials did not show benefit in reduction of stroke, these results might have been due to harm in participants with impaired renal function. In patients with diabetic nephropathy, cyanocobalamin is harmful, whereas B vitamins appear to reduce cardiovascular events in study participants with normal renal function...
September 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28816044/action-of-gold-nanospikes-based-nanoradiosensitizers-cellular-internalization-radiotherapy-and-autophagy
#8
Ningning Ma, Peidang Liu, Nongyue He, Ning Gu, Fu-Gen Wu, Zhan Chen
A major challenge to achieve effective X-ray radiation therapy is to use a relatively low and safe radiation dose. Various radiosensitizers, which can significantly enhance the radiotherapeutic performance, have been developed. Gold-based nanomaterials, as a new type of nanoparticle-based radiosensitizers, have been extensively used in researches involving cancer radiotherapy. However, the cancer therapeutic effect using the gold nanoparticle-based radiotherapy is usually not significant because of the low cellular uptake efficiency and the autophagy-inducing ability of these gold nanomaterials...
August 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28814511/targeting-phospholipase-d4-attenuates-kidney-fibrosis
#9
Priyanka Trivedi, Ramya K Kumar, Ashwin Iyer, Sarah Boswell, Casimiro Gerarduzzi, Vivekkumar P Dadhania, Zach Herbert, Nikita Joshi, James P Luyendyk, Benjamin D Humphreys, Vishal S Vaidya
Phospholipase D4 (PLD4), a single-pass transmembrane glycoprotein, is among the most highly upregulated genes in murine kidneys subjected to chronic progressive fibrosis, but the function of PLD4 in this process is unknown. Here, we found PLD4 to be overexpressed in the proximal and distal tubular epithelial cells of murine and human kidneys after fibrosis. Genetic silencing of PLD4, either globally or conditionally in proximal tubular epithelial cells, protected mice from the development of fibrosis. Mechanistically, global knockout of PLD4 modulated innate and adaptive immune responses and attenuated the upregulation of the TGF-β signaling pathway and α1-antitrypsin protein (a serine protease inhibitor) expression and downregulation of neutrophil elastase (NE) expression induced by obstructive injury...
August 16, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28814127/carbon-nanotubes-functionalized-with-folic-acid-attached-via-biomimetic-peptide-linker
#10
Justyna Fraczyk, Malgorzata Walczak, Lukasz Szymanski, Zbigniew Kolacinski, Henryk Wrzosek, Ireneusz Majsterek, Karolina Przybylowska-Sygut, Zbigniew J Kaminski
AIM: Anchoring folic acid (FA) with a biomimetic peptidic linker resistant to proteolytic degradation to act as a homing device on functionalized carbon nanotubes. MATERIALS & METHODS: Ethylenediamine was attached to oxidized multiwalled carbon nanotubes (MWNTs) using 4-(4,6-dimethoxy-[1,3,5]triazin-2-yl)-4-methylmorpholinium tetrafluoroborate. FA was coupled with 6-aminohexanoic acid and derivatives of β-alanine, affording four intermediates, which connected to the MWNTs via peptidic linkers of various lengths...
August 17, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28813043/folic-acid-supramolecular-ionogels
#11
Rahul Ranjan, Kamla Rawat, H B Bohidar
Herein, we report on folic acid (FA, a low molecular weight gelator) thermoreversible supramolecular organo (in 1 : 1 (v/v) water-DMSO binary solvent), and ionogels made in 1-ethyl-3-methyl imidazolium chloride, [C2mim][Cl], and 1-octyl-3-methyl imidazolium chloride, [C8mim][Cl], solutions with 0.1 ≤ [IL] ≤ 5% (w/v). The self-assembled fibrils of folic acid were largely formed due to secondary forces, such as π-π stacking, H-bonding, and hydrophobic interactions above a gelator concentration of 0...
August 16, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28812246/dna-tetrahedron-delivery-enhances-doxorubicin-induced-apoptosis-of-ht-29-colon-cancer-cells
#12
Guiyu Zhang, Zhiyong Zhang, Junen Yang
As a nano-sized drug carrier with the advantage of modifiability and proper biocompatibility, DNA tetrahedron (DNA tetra) delivery is hopeful to enhance the inhibitory efficiency of nontargeted anticancer drugs. In this investigation, doxorubicin (Dox) was assembled to a folic acid-modified DNA tetra via click chemistry to prepare a targeted antitumor agent. Cellular uptake efficiency was measured via fluorescent imaging. Cytotoxicity, inhibition efficiency, and corresponding mechanism on colon cancer cell line HT-29 were evaluated by MTT assay, cell proliferation curve, western blot, and flow cytometry...
August 15, 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28809784/folate-receptor-positive-gynecological-cancer-cells-in-vitro-and-in-vivo-characterization
#13
Klaudia Siwowska, Raffaella M Schmid, Susan Cohrs, Roger Schibli, Cristina Müller
The folate receptor (FR) is expressed in a variety of gynecological cancer types. It has been widely used for tumor targeting with folic acid conjugates of diagnostic and therapeutic probes. The cervical KB tumor cells have evolved as the standard model for preclinical investigations of folate-based (radio) conjugates. In this study, a panel of FR-expressing human cancer cell lines-including cervical (HeLa, KB, KB-V1), ovarian (IGROV-1, SKOV-3, SKOV-3.ip), choriocarcinoma (JAR, BeWo) and endometrial (EFE-184) tumor cells-was investigated in vitro and for their ability to grow as xenografts in mice...
August 15, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28806113/-hungarian-diet-and-nutritional-status-survey-the-otap2014-study-v-vitamin-intake-of-the-hungarian-population
#14
Erzsébet Schreiberné Molnár, Zsuzsanna Nagy-Lőrincz, Barbara Nagy, Márta Bakacs, Orsolya Kis, Eszter Sarkadi Nagy, Éva Martos
INTRODUCTION AND AIM: The Hungarian Diet and Nutritional Status Survey was implemented on a sub-sample of the European Health Interview Survey. In this paper, the authors present the data on the vitamin intake of the Hungarian population. METHOD: The survey represents the vitamin intake of the Hungarian non-institutionalised adult population of 18 years and older. There are significant differences between men's and women's vitamin intake. RESULTS: The intake of all water-soluble vitamins except for vitamin C is higher in men than in women, and the difference between the genders regarding the intake of vitamin E and D is significant...
August 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28804925/relationship-between-total-homocysteine-folic-acid-and-thyroid-hormones-in-hypothyroid-dogs
#15
M Gołyński, K Lutnicki, W Krumrych, M Szczepanik, M Gołyńska, P Wilkołek, Ł Adamek, Ł Sitkowski, Ł Kurek
BACKGROUND: Both elevated homocysteine and decreased folic acid concentrations are observed in human patients with hypothyroidism and can influence the development of numerous secondary disorders. OBJECTIVES: The aim of the study was to assess total homocysteine concentration in serum and to examine its relationship with the concentration of folic acid and thyroid hormones (tT4 and fT4). ANIMALS: Ten healthy and 19 hypothyroid client-owned dogs...
August 14, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28804652/use-of-over-the-counter-medication-among-pregnant-women-in-sharjah-united-arab-emirates
#16
Abduelmula R Abduelkarem, Hafsa Mustafa
BACKGROUND: Over-the-counter medications are widely available in pharmacies Their safety profile, however, does not extend to pregnant women. Accordingly, there should be educational programs developed for pregnant women to protect them from the harms of the side effects. AIM: This study was planned and designed with the aim of exploring the awareness and assessing the usage of OTC medications among pregnant women in Sharjah, UAE. METHOD: A cross-sectional survey using a self-administered questionnaire...
2017: Journal of Pregnancy
https://www.readbyqxmd.com/read/28804631/the-influence-of-d-chiro-inositol-and-d-myo-inositol-in-pregnant-women-with-glucose-intolerance
#17
Domenico Dell'Edera, Francesca Sarlo, Arianna Allegretti, Francesca Simone, Maria Giovanna Lupo, Annunziata Anna Epifania
The aim of the present study was to demonstrate that the use of inositol and folic acid from the first trimester of pregnancy, counteracts the onset of gestational diabetes mellitus (GDM) in women at risk, preserving the infants from macrosomia, hypoglycemia and preterm delivery. The authors collected data from the pregnant women at the laboratory (Unit of Cytogenic and Molecular Genetics), from January 2014 to April 2016, all with first trimester fasting plasma glucose (FPG) >92 mg/dl. A total of 40 women were treated with 250 mg/day D-chiro-inositol, 1...
August 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28803939/bubble-generating-nano-lipid-carriers-for-ultrasound-ct-imaging-guided-efficient-tumor-therapy
#18
Nan Zhang, Jia Li, Ruirui Hou, Jiangnan Zhang, Pei Wang, Xinyang Liu, Zhenzhong Zhang
Ideal therapeutic effectiveness of chemotherapy is obtained only when tumor cells are exposed to a maximal drug concentration, which is often hindered by dose-limiting toxicity. We designed a bubble-generating liposomal delivery system by introducing ammonium bicarbonate and gold nanorods into folic acid-conjugated liposomes to allow both multimodal imaging and the local release of drug (doxorubicin) with hyperthermia. The key component, ammonium bicarbonate, allows a controlled, rapid release of doxorubicin to provide an effective drug concentration in the tumor microenvironment...
August 10, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28802357/evaluation-of-ototoxicity-of-intratympanic-administration-of-methotrexate-in-rats
#19
Sabri Baki Eren, Remzi Dogan, Alper Yenigun, Bayram Veyseller, Selahattin Tugrul, Orhan Ozturan, Mehmet Serif Aydin
OBJECTIVE: Methotrexate is a dihydrofolate reductase enzyme inhibitor with very high selectivity, and it is an antiproliferative folic acid antagonist used for the treatment of autoimmune diseases. In this study, our objective was to evaluate the effect of intratympanic Methotrexate application in the inner ear. METHODS: This study was planned as an animal study. This study performed in a tertiary referral center. 24 healthy female rats were used in our study. They were separated into three groups...
September 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28800462/imaging-biodistribution-and-in-vitro-study-of-smart-99m-tc-pamam-g4-dendrimer-as-novel-nano-complex
#20
Asghar Narmani, Kamal Yavari, Javad Mohammadnejad
Overexpression of folic acid receptor in various human tumors cells makes it as good candidate for targeting delivery of chemotherapeutic and radiopharmaceutical agents. In this research, FA used for functionalization of PEG modified PAMAM G4 dendrimer as a smart delivery of 5-FU and (99m)Tc for the breast carcinoma in order to chemotherapeutic and imaging goals. One aim of this research was assess the FA-mediated cell viability assay of PEG-PAMAM G4-FA-5FU-(99m)Tc and in vitro uptake of PEG-PAMAM G4-FA-(99m)Tc as the novel nano-complex determined on C2Cl2 (normal cell) and MCF-7 (breast cancer cell) cell lines...
August 1, 2017: Colloids and Surfaces. B, Biointerfaces
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