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Folinic acid

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https://www.readbyqxmd.com/read/28524215/-novel-therapies-in-neurometabolic-diseases-the-importance-of-early-intervention
#1
L G Gutierrez-Solana
INTRODUCTION: Individually, neurometabolic diseases are ultra rare, but for some of them there is an effective treatment. DEVELOPMENT: Several recent therapeutic advances are reviewed. Today, the possibilities of treatment for lysosomal diseases have improved. In recent years the use of enzyme replacement therapy has become more widely extended to treat mucopolysaccharidosis type IVA (Morquio A), mucopolysaccharidosis type VII (Sly syndrome), lysosomal acid lipase deficiency and alpha-mannosidosis...
May 17, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28513572/synthesis-and-antiradical-activity-of-isoquercitrin-esters-with-aromatic-acids-and-their-homologues
#2
Eva Heřmánková-Vavříková, Alena Křenková, Lucie Petrásková, Christopher Steven Chambers, Jakub Zápal, Marek Kuzma, Kateřina Valentová, Vladimír Křen
Isoquercitrin, (IQ, quercetin-3-O-β-d-glucopyranoside) is known for strong chemoprotectant activities. Acylation of flavonoid glucosides with carboxylic acids containing an aromatic ring brings entirely new properties to these compounds. Here, we describe the chemical and enzymatic synthesis of a series of IQ derivatives at the C-6″. IQ benzoate, phenylacetate, phenylpropanoate and cinnamate were prepared from respective vinyl esters using Novozym 435 (Lipase B from Candida antarctica immobilized on acrylic resin)...
May 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28481474/instant-hydrogelation-inspired-by-inflammasomes
#3
Huaimin Wang, Zhaoqianqi Feng, Alvin Lu, Yujie Jiang, Hao Wu, Bing Xu
Based on the recent structures of the PYRIN domain of ASC in the protein filament of inflammasomes and the observation that pyridoxal phosphate (P5P) modulates the self-assembly of ASC, we rationally designed an N-terminal capped nonapeptide (Nap-FFKKFKLKL, 1) to form supramolecular nanofibers consisting of α-helix. The addition of P5P to the solution of 1 results in a hydrogel almost instantly (about 4 seconds). Several other endogenous small molecules (e.g., pyridoxal, folinic acid, ATP, and AMP) also convert the solution of 1 to a hydrogel...
May 8, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28480481/physicians-compliance-with-a-clinical-decision-support-system-alerting-during-the-prescribing-process
#4
Fatih Baypinar, Hylke Jan Kingma, Ruud T M van der Hoeven, Matthijs L Becker
Clinical decision support systems have been shown to improve practitioner performance. Most systems designed to prevent medication errors generate lists with patients who fulfill the criteria of the algorithm. These lists are reviewed by a pharmacist and physicians are contacted by telephone. Presenting pop-up alerts as part of the workflow with a clear recommendation is a feature critical to success. Therefore we implemented three algorithms in a clinical decision support system alerting during the medication ordering process...
June 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28474355/antioxidant-activity-and-bioactive-compound-contents-before-and-after-in-vitro-digestion-of-new-tomato-hybrids
#5
Giuseppina Tommonaro, Giovanna Speranza, Rocco De Prisco, Carmine Iodice, Egle Crudele, Gennaro Roberto Abbamondi, Barbara Nicolaus
BACKGROUND: The antioxidant properties and bioactive compound contents of fresh new tomato hybrids before and after in vitro digestion was investigated. To this aim the antioxidant activities of lipophilic, hydrophilic, and polyphenolic extracts of tomato hybrids were determined by ABTS [2,20-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid)], DMPD (N,N-dimethyl-p-phenylenediamine dihydrochloride), and DPPH (2,2-diphenyl-1-picrylhydrazyl) methods, respectively, while the bioactive compound contents were estimated by means of Folin-Ciocalteu (polyphenols), pH differential (anthocyanins) and HPLC (lycopene and β-carotene) methods...
May 5, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28455583/neurotoxicity-after-high-dose-methotrexate-mtx-is-adequately-explained-by-insufficient-folinic-acid-rescue
#6
REVIEW
Ian Joseph Cohen
PURPOSE: To challenge the view that the dose of folinic acid rescue after high-dose methotrexate (MTX) has no significance in the prevention of neurotoxicity and to present the minority view that neurotoxicity can be prevented by an adequate dose of folinic acid, without compromising treatment results. Several fallacies that led to the misunderstanding of post MTX neurotoxicity are presented. METHODS: Data mining using search engines was used to find relevant publications, and an e-mail survey of more than 60 authors of articles in this field was performed...
April 28, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28454427/chemoresistance-in-pancreatic-cancer-emerging-concepts
#7
Manu Gnanamony, Christopher S Gondi
Pancreatic cancer is one of the most lethal types of cancer in the world. The incidence of pancreatic cancer increases each year with no significant decrease in mortality. Pancreatic cancer is a complex disease, and this complexity is partly attributed to late diagnosis, an aggressive phenotype, environmental factors and lack of effective treatment options. Surgical resection followed by adjuvant chemotherapy is the treatment of choice for early stage cancer, whereas gemcitabine is the standard first line therapy for patients with advanced stage disease...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454330/high-bim-mrna-levels-are-associated-with-longer-survival-in-advanced-gastric-cancer
#8
Nandie Wu, Ying Huang, Zhengyun Zou, Ana Gimenez-Capitan, Lixia Yu, Wenjing Hu, Lijing Zhu, Xia Sun, Jose Javier Sanchez, Wenxian Guan, Baorui Liu, Rafael Rosell, Jia Wei
Chemotherapy drugs, including 5-fluorouracil (5-FU), oxaliplatin and docetaxel, are commonly used in the treatment of gastric cancer (GC). Apoptosis-relevant genes may be associated with drug resistance. In the present study, the messenger RNA (mRNA) expression levels of B-cell lymphoma 2 interacting mediator of cell death (BIM), astrocyte elevated gene-1 (AEG-1) and AXL receptor tyrosine kinase (AXL) were investigated in 131 advanced GC samples, and the expression levels of these genes were correlated with patients' overall survival (OS)...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28447890/response-to-the-letter-regarding-is-it-really-safe-to-withhold-folinic-acid-when-less-than-1000%C3%A2-mg-m-2-methotrexate-is-ingested
#9
Betty S Chan, Andrew H Dawson, Nicholas A Buckley
No abstract text is available yet for this article.
April 27, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28447255/phenolic-compounds-volatiles-and-antioxidant-capacity-of-white-myrtle-berry-liqueurs
#10
Gabriele Serreli, Igor Jerković, Katarzyna Angelika Gil, Zvonimir Marijanović, Viviana Pacini, Carlo Ignazio Giovanni Tuberoso
The aim of this research was to evaluate the antioxidant capacity and physical-chemical characteristics of commercial white myrtle berry (Myrtus communis L. var. leucocarpa DC) liqueur (WMBL). The total phenolic (TP) content was measured spectrophotometrically, applying a modified Folin-Ciocalteu's method, and phenolic compounds were identified by high-performance liquid chromatography (HPLC) coupled with electrospray mass spectrometry, and quantified by HPLC coupled with ultraviolet/visible detection. The antioxidant capacities were evaluated by FRAP, CUPRAC, DPPH(•), and ABTS(•+) assays...
April 26, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28443374/is-it-really-safe-to-withhold-folinic-acid-when-less-than-1000%C3%A2-mg-m-2-methotrexate-is-ingested
#11
Arjen Koppen, Marieke A Dijkman, Claudine C Hunault, Dylan W de Lange, Irma de Vries
No abstract text is available yet for this article.
April 26, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28412590/baseline-carcinoembryonic-antigen-as-a-predictive-factor-of-ramucirumab-efficacy-in-raise-a-second-line-metastatic-colorectal-carcinoma-phase-iii-trial
#12
Takayuki Yoshino, Radka Obermannová, György Bodoky, Rocio Garcia-Carbonero, Tudor Ciuleanu, David C Portnoy, Tae Won Kim, Yanzhi Hsu, David Ferry, Federico Nasroulah, Josep Tabernero
BACKGROUND: The RAISE phase III clinical trial demonstrated that ramucirumab + (folinic acid plus 5-fluorouracil plus irinotecan) FOLFIRI significantly improved overall survival (OS) versus placebo + FOLFIRI for second-line metastatic colorectal carcinoma (mCRC) patients failing bevacizumab- and oxaliplatin-based chemotherapy (hazard ratio [HR] = 0.84, 95% CI = 0.73-0.98, P = 0.022). Post hoc analyses of RAISE patient data examined the association of carcinoembryonic antigen (CEA) subgroups with efficacy parameters...
April 13, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28407920/preharvest-application-of-oxalic-acid-improves-quality-and-phytochemical-content-of-artichoke-cynara-scolymus-l-at-harvest-and-during-storage
#13
Alejandra Martínez-Esplá, María Emma García-Pastor, Pedro Javier Zapata, Fabián Guillén, María Serrano, Daniel Valero, Amadeo Gironés-Vilaplana
In this study the effect of oxalic acid (OA) treatment of artichoke plants (Cynara scolymus L.) on head artichoke development and on artichokes quality parameters (weight loss, firmness, and color), respiration rate, antioxidant activity and phenolics (measured by Folin Ciocalteu and HPLC-DAD-ESI/MS(n)) at harvest and during storage for 21days at 2°C was evaluated. OA treatment increased the percentage of the first class artichokes although no significant effect was found in artichoke developmental process...
September 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28399112/cetuximab-in-treatment-of-metastatic-colorectal-cancer-final-survival-analyses-and-extended-ras-data-from-the-nordic-vii-study
#14
Tormod Kyrre Guren, Maria Thomsen, Elin H Kure, Halfdan Sorbye, Bengt Glimelius, Per Pfeiffer, Pia Österlund, Fridbjörn Sigurdsson, Inger Marie Bowitz Lothe, Astrid Marie Dalsgaard, Eva Skovlund, Thoralf Christoffersen, Kjell Magne Tveit
BACKGROUND: The NORDIC-VII study is a randomised phase III trial of cetuximab plus continuous or intermittent fluorouracil, folinic acid, and oxaliplatin (Nordic FLOX) vs FLOX alone in first-line treatment of metastatic colorectal cancer. The present report presents an updated and final survival analysis with BRAF and extended RAS mutational status, 5 years after the primary analysis. METHODS: A total of 566 patients were included in the intention-to-treat (ITT) population of the NORDIC-VII study...
May 9, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28398845/potentially-curable-pancreatic-cancer-american-society-of-clinical-oncology-clinical-practice-guideline-update
#15
Alok A Khorana, Pamela B Mangu, Jordan Berlin, Anitra Engebretson, Theodore S Hong, Anirban Maitra, Supriya G Mohile, Matthew Mumber, Richard Schulick, Marc Shapiro, Susan Urba, Herbert J Zeh, Matthew H G Katz
Purpose To update the Potentially Curable Pancreatic Cancer: American Society of Clinical Oncology Clinical Practice Guideline published on May 31, 2016. The October 2016 update focuses solely on new evidence that pertains to clinical question 4 of the guideline: What is the appropriate adjuvant regimen for patients with pancreatic cancer who have undergone an R0 or R1 resection of their primary tumor? Methods The recently published results of a randomized phase III study prompted an update of this guideline...
April 11, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28391711/phenolic-content-and-antioxidant-properties-of-seeds-from-different-grape-cultivars-grown-in-iran
#16
Vasigheh Sadat Mirbagheri, Ebrahim Alizadeh, Mostafa Yousef Elahi, Sedigheh Esmaeilzadeh Bahabadi
This study investigated the antioxidant activity and phenolic composition of seed extracts from three grape cultivars grown in Iran. Folin Ciocalteu method was used for the determination of the total phenolic contents and GC-MS was used for the analysis of phenolic compositions. 1,1-diphenyl-2-picrylhydrazyl (DPPH) method was used to evaluate the antioxidant activity. The highest and the lowest total phenolic contents of seed extract were found in the black and green grape, respectively. The content of individual phenols such as Frulic acid, Gentistic acid, Syringic acid, (+) Catechin, Chlorogenic acid and (-)- Epicatchin gallate was cultivars dependent...
April 10, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28375185/aromatic-plants-antioxidant-capacity-and-polyphenol-characterisation
#17
Charalampos Proestos, Theo Varzakas
The antioxidant properties and polyphenol content of some selected aromatic plants grown in Greece were studied. Plants were refluxed with 60% methanol after acid hydrolysis. The phenolic substances were quantified by High Performance Liquid Chromatography-Diode Array Detector (HPLC-DAD). The antioxidant capacity of the extracts was determined with the Rancimat test using sunflower oil as substrate. Free radical scavenging activity was measured using the stable free radical 1, 1-diphenyl-2-picrylhydrazyl (DPPH)...
April 4, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28362473/the-effect-of-antioxidants-on-quantitative-changes-of-lysine-and-methionine-in-linoleic-acid-emulsions-at-different-ph-conditions
#18
Marzanna Hęś, Anna Gliszczyńska-Świgło, Anna Gramza-Michałowska
BACKGROUND: Plants are an important source of phenolic compounds. The antioxidant capacities of green tea, thyme and rosemary extracts that contain these compounds have been reported earlier. However, there is a lack of accessible information about their activity against lipid oxidation in emulsions and inhibit the interaction of lipid oxidation products with amino acids. Therefore, the influence of green tea, thyme and rosemary extracts and BHT (butylated hydroxytoluene) on quantitative changes in lysine and methionine in linoleic acid emulsions at a pH of isoelectric point and a pH lower than the isoelectric point of amino acids was investigated...
January 2017: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/28361553/phytochemical-analysis-and-antioxidant-activity-of-the-seed-of-telfairia-occidentalis-hook-cucurbitaceae
#19
Olorunfemi A Eseyin, Akaninyene Daniel, Thomas S Paul, Emmanuel Attih, Essien Emmanuel, Johnson Ekarika, Abdul Sattar Munavvar Zubaid, Ahmad Ashfaq, Sheryar Afzal, Akpan Ukeme
The 2,2-diphenyl-1-picryl hydrazyl (DPPH) radical, nitric oxide, reducing power, hydrogen peroxide scavenging, and total antioxidant activities of the methanol extract, n-hexane, dichloromethane, ethyl acetate, butanol and aqueous fractions of the seed of Telfairia occidentalis were evaluated. Total phenolic content was determined using the Folin-Ciocalteu method. The dichloromethane fraction exhibited the highest DPPH radical scavenging, reducing power and total antioxidant activities. Two pure compounds which were identified by FTIR, H-and 2D NMR and Mass spectroscopy as 9-octadecenoic acid (TOS B) and 10-hydroxyoctadecanoic acid (TOS C) and four oily isolates, TOS A, TOS D, TOS E and TOS F were obtained from the dichloromethane fraction...
March 31, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28351831/protocol-for-combined-analysis-of-foxfire-sirflox-and-foxfire-global-randomized-phase-iii-trials-of-chemotherapy-selective-internal-radiation-therapy-as-first-line-treatment-for-patients-with-metastatic-colorectal-cancer
#20
Pradeep S Virdee, Joanna Moschandreas, Val Gebski, Sharon B Love, E Anne Francis, Harpreet S Wasan, Guy van Hazel, Peter Gibbs, Ricky A Sharma
BACKGROUND: In colorectal cancer (CRC), unresectable liver metastases are associated with a poor prognosis. The FOXFIRE (an open-label randomized phase III trial of 5-fluorouracil, oxaliplatin, and folinic acid +/- interventional radioembolization as first-line treatment for patients with unresectable liver-only or liver-predominant metastatic colorectal cancer), SIRFLOX (randomized comparative study of FOLFOX6m plus SIR-Spheres microspheres versus FOLFOX6m alone as first-line treatment in patients with nonresectable liver metastases from primary colorectal carcinoma), and FOXFIRE-Global (assessment of overall survival of FOLFOX6m plus SIR-Spheres microspheres versus FOLFOX6m alone as first-line treatment in patients with nonresectable liver metastases from primary colorectal carcinoma in a randomized clinical study) clinical trials were designed to evaluate the efficacy and safety of combining first-line chemotherapy with selective internal radiation therapy (SIRT) using yttrium-90 resin microspheres, also called transarterial radioembolization...
March 28, 2017: JMIR Research Protocols
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