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Folinic acid

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https://www.readbyqxmd.com/read/29661558/genetic-assessment-and-folate-receptor-autoantibodies-in-infantile-onset-cerebral-folate-deficiency-cfd-syndrome
#1
V Th Ramaekers, K Segers, J M Sequeira, M Koenig, L Van Maldergem, V Bours, U Kornak, E V Quadros
INTRODUCTION: Cerebral folate deficiency (CFD) syndromes are defined as neuro-psychiatric conditions with low CSF folate and attributed to different causes such as autoantibodies against the folate receptor-alpha (FR) protein that can block folate transport across the choroid plexus, FOLR1 gene mutations or mitochondrial disorders. High-dose folinic acid treatment restores many neurologic deficits. STUDY AIMS AND METHODS: Among 36 patients from 33 families the infantile-onset CFD syndrome was diagnosed based on typical clinical features and low CSF folate...
March 3, 2018: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/29658061/tapping-the-bioactivity-potential-of-residual-stream-from-its-pretreatments-may-be-a-green-strategy-for-low-cost-bioconversion-of-rice-straw
#2
Xingxuan Chen, Xiahui Wang, Yiyun Xue, Tian-Ao Zhang, Jiajun Hu, Yiu Fai Tsang, Min-Tian Gao
In this study, it was found that the residual stream from pretreatments of rice straw exhibited high antioxidant activity. Assays based on the Folin-Ciocalteu colorimetric method confirmed that the residual stream contained large amounts of phenolic compounds. Three antioxidant assays were employed to evaluate the bioactivity of the residual stream. Strong linear correlations existed among the release of phenolic compounds, saccharification efficiency, and antioxidant activity. The alkaline pretreatment provided a much greater release of phenolic compounds, especially phenolic acids, compared to the acid pretreatment, and consequently, it had stronger linear correlations than the acid pretreatment...
April 16, 2018: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/29656201/anti-leishmanial-click-modifiable-thiosemicarbazones-design-synthesis-biological-evaluation-and-in-silico-studies
#3
Mohamed G Temraz, Perihan A Elzahhar, Alaa El-Din A Bekhit, Adnan A Bekhit, Hala F Labib, Ahmed S F Belal
Leishmaniasis is a devastating tropical disease with limited therapeutic options. Depending on recently reported active anti-leishmanial compounds, we designed and synthesized a series of click modifiable 1,2,3-triazole and thiosemicarbazone hybrids. Most of the synthesized compounds showed comparable to superior activity to a well-established anti-leishmanial drug miltefosine. Compounds 2 and 10a showed nanomolar IC50 s against promastigotes of L. major (227.4 nM and 140.3 nM respectively, vs 7.8 μM for miltefosine)...
April 3, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29651946/neoadjuvant-therapy-is-essential-for-resectable-pancreatic-cancer
#4
Jin-Zhi Xu, Wen-Quan Wang, Shi-Rong Zhang, Hua-Xiang Xu, Chun-Tao Wu, Zi-Hao Qi, He-Li Gao, Shuo Li, Quan-Xing Ni, Xian-Jun Yu, Liang Liu
BACKGROUND: Awareness of the benefits of neoadjuvant therapy is increasing, but its use as an initial therapeutic option for patients with resectable pancreatic cancer remains controversial, especially for those patients without high-risk prognostic features. Even for patients with high-risk features who are candidates to receive neoadjuvant therapy, no standard regimen exists. METHODS: In this review, we examined available data on neoadjuvant therapy in patients with resectable pancreatic cancer, including prospective studies, retrospective studies, and ongoing clinical trials, by searching PubMed/MEDLINE, ClinicalTrials...
April 12, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29624208/gemcitabine-based-chemotherapy-for-advanced-biliary-tract-carcinomas
#5
REVIEW
Omar Abdel-Rahman, Zeinab Elsayed, Hesham Elhalawani
BACKGROUND: Biliary tract cancers are a group of rare heterogeneous malignant tumours. They include intrahepatic and extrahepatic cholangiocarcinomas, gallbladder carcinomas, and ampullary carcinomas. Surgery remains the optimal modality of therapy leading to long-term survival for people diagnosed with resectable biliary tract carcinomas. Unfortunately, most people with biliary tract carcinomas are diagnosed with either unresectable locally-advanced or metastatic disease, and they are only suitable for palliative chemotherapy or supportive care...
April 6, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29621124/therapeutic-drug-monitoring-of-methotrexate-in-plasma-using-u-hplc-ms-ms-necessary-after-administration-of-glucarpidase-in-methotrexate-intoxications
#6
Midas B Mulder, Ruud Huisman, Frederike K Engels, Inge M van der Sluis, Birgit C P Koch
High-dose methotrexate (HD-MTX) is used to treat a variety of cancers. In all patients receiving HD-MTX, plasma MTX levels are monitored mainly to anticipate rescue therapy to prevent adverse events. We present two children treated with HD-MTX and afterward treated with glucarpidase at different time-points after their HD-MTX infusions. After the administration of glucarpidase, a non-toxic metabolite of MTX cross-reacts with MTX in the standard immunoassay (Abbott Diagnostics, Hoofddorp, The Netherlands) resulting in an artificially elevated MTX level...
April 3, 2018: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/29614063/comparisons-of-efficacy-safety-and-cost-of-chemotherapy-regimens-folfox4-and-folfirinox-in-rectal-cancer-a-randomized-multicenter-study
#7
Fei Qi, Zhaozheng Zheng, Qiang Yan, Jian Liu, Yan Chen, Guiyang Zhang
BACKGROUND The currently available chemotherapeutic regimens do not use a specifically designed drug delivery system. The objective of this study was to compare outcome measures, adverse effects, and cost of FOLFOX4 and FOLFIRINOX treatments in rectal cancer patients. MATERIAL AND METHODS We enrolled patients who, after surgery, did not undergo chemotherapy or radiotherapy (Control group); were administered 200 mg/m² folinic acid, 400 mg/m² fluorouracil, and 85 mg/m² oxaliplatin (FFO group); or were administered 400 mg/m² folinic acid, 400 mg/m² fluorouracil, 180 mg/m² irinotecan, and 85 mg/m2 oxaliplatin (FFIO group)...
April 3, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29607891/effects-of-leucovorin-folinic-acid-in-the-methotrexate-treated-rat-brain
#8
Naofumi Ogushi, Kazuaki Sasaki, Minoru Shimoda
Folinic acid (FA) is generally administered to patients with CNS tumors in order to treat severe neurological disorders caused by methotrexate (MTX); therefore, we herein examined the effects of the co-administration of FA on MTX concentrations in the rat brain and cerebrospinal fluid (CSF) as well as the pharmacokinetics of MTX. MTX was intravenously or intrathecally administered to rats with or without FA. MTX concentrations were assessed by HPLC. No significant differences were observed in pharmacokinetic parameters, including kel , Vd , AUC, Cltot , and t1/2 , between the FA-treated and non-treated groups...
March 30, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29605592/aflibercept-plus-folfiri-in-the-real-life-setting-safety-and-quality-of-life-data-from-the-italian-patient-cohort-of-the-aflibercept-safety-and-quality-of-life-program-study
#9
Alessandro Pastorino, Maria Di Bartolomeo, Evaristo Maiello, Vincenzo Iaffaioli, Libero Ciuffreda, Gianpiero Fasola, Francesco Di Costanzo, Giovanni Luca Frassineti, Paolo Marchetti, Carlotta Antoniotti, Francesco Leone, Alberto Zaniboni, Giuseppe Aprile, Chiara Zilocchi, Alberto Sobrero, Roberto Bordonaro
BACKGROUND: Aflibercept combined with FOLFIRI (folinic acid, 5-fluorouracil, irinotecan) as second-line treatment of metastatic colorectal cancer (mCRC) significantly improved survival compared with FOLFIRI alone in the pivotal VELOUR (aflibercept vs. placebo in combination with irinotecan and 5-fluorouracil in the treatment of patients with metastatic colorectal cancer after failure of an oxaliplatin-based regimen) trial. No quality-of-life assessment was performed in VELOUR; therefore, the ASQoP (Aflibercept Safety and Quality-of-Life Program) trial was designed to capture the safety and health-related quality of life (HRQL)...
March 8, 2018: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/29587749/folfiri-plus-panitumumab-in-the-treatment-of-wild-type-kras-and-wild-type-nras-metastatic-colorectal-cancer
#10
Caglayan Geredeli, Nurgul Yasar
BACKGROUND: The aim of this study was to investigate the efficacy and safety of first-line panitumumab plus folinic acid, 5-fluorouracil and irinotecan (FOLFIRI) in patients with wild-type KRAS and wild-type NRAS metastatic colorectal cancer (mCRC). METHODS: Patients with wild-type KRAS and wild-type NRAS mCRC presenting to the medical oncology department of the Okmeydani Training and Research Hospital in Istanbul, Turkey, between April 2014 and January 2018 were enrolled in this study...
March 27, 2018: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29587354/folinic-acid-increases-protein-arginine-methylation-in-human-endothelial-cells
#11
Ruben Esse, Tom Teerlink, Pieter Koolwijk, Isabel Tavares de Almeida, Henk J Blom, Rita Castro
Elevated plasma total homocysteine (tHcy) is associated with increased risk of cardiovascular disease, but the mechanisms underlying this association are not completely understood. Cellular hypomethylation has been suggested to be a key pathophysiologic mechanism, since S -adenosylhomocysteine (AdoHcy), the Hcy metabolic precursor and a potent inhibitor of methyltransferase activity, accumulates in the setting of hyperhomocysteinemia. In this study, the impact of folate and methionine on intracellular AdoHcy levels and protein arginine methylation status was studied...
March 24, 2018: Nutrients
https://www.readbyqxmd.com/read/29579963/on-the-effect-of-ultrasound-assisted-atmospheric-freeze-drying-on-the-antioxidant-properties-of-eggplant
#12
Domenico Colucci, Davide Fissore, Carmen Rossello, Juan A Carcel
The low operating temperatures employed in atmospheric freeze-drying permits an effective drying of heat sensitive products, without any impairment of their quality attributes. When using power ultrasound, the drying rate can be increased, thus reducing the process duration. However, ultrasound can also affect the product quality. The aim of this study was to evaluate the effect of various drying process variables, namely air temperature and velocity, ultrasound power and sample size, on the antioxidant properties of eggplant (Solanum melongena L...
April 2018: Food Research International
https://www.readbyqxmd.com/read/29562116/development-of-a-cotton-smart-textile-with-medicinal-properties-using-lime-oil-microcapsules
#13
B Piyumi Wijesirigunawardana, B Gayani K Perera
The present study focused on using microencapsulation technique to develop an antioxidant and antibacterial active smart cotton fabric using encapsulated lime oil (LO). LO microcapsules were prepared via the complex coacervation method using chitosan and gum arabic wall materials. UV-Visible and FTIR spectrometry verified the successful encapsulation of LO. The synthesized LO microcapsules were irregular in shape and differed in size between 15-160 μm according to the optical and SEM images. The loading of the microcapsules was found to be 2943 ± 128 μL/g with a loading efficiency of 82 ± 4%...
March 2018: Acta Chimica Slovenica
https://www.readbyqxmd.com/read/29545434/management-of-tumour-lysis-syndrome-during-first-line-palliative-chemotherapy-for-high-volume-colorectal-cancer
#14
Helena S Gouveia, Sílvia O Lopes, Ana Luísa Faria
Tumour lysis syndrome (TLS) is a rare oncological emergency in solid tumours. Because it is associated with bad short-term prognosis, early recognition and treatment are mandatory. This case refers to a middle-aged woman who presented with stage IV colon cancer, with massive hepatic involvement. After three cycles of first-line FOLFOX (folinic acid, 5-fluorouracil and oxaliplatin), she developed acute kidney injury and hyperkalaemia that did not respond to standard measures. High suspicion of TLS prompted further corroborating investigations and early intensive care unit admission...
March 15, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29531324/differential-histopathologic-parameters-in-colorectal-cancer-liver-metastases-resected-after-triplets-plus-bevacizumab-or-cetuximab-a-pooled-analysis-of-five-prospective-trials
#15
Chiara Cremolini, Massimo Milione, Federica Marmorino, Federica Morano, Gemma Zucchelli, Alessia Mennitto, Michele Prisciandaro, Sara Lonardi, Alessio Pellegrinelli, Daniele Rossini, Francesca Bergamo, Giuseppe Aprile, Lucio Urbani, Luca Morelli, Marta Schirripa, Giovanni Gerardo Cardellino, Matteo Fassan, Gabriella Fontanini, Filippo de Braud, Vincenzo Mazzaferro, Alfredo Falcone, Filippo Pietrantonio
BACKGROUND: Many factors, including histopathologic parameters, seem to influence the prognosis of patients undergoing resection of colorectal cancer liver metastases (CRCLM), although their relative weight is unclear. Histopathologic growth patterns (HGPs) of CRCLM may affect sensitivity to antiangiogenics. We aimed at evaluating differences in histopathologic parameters of response according to the use of bevacizumab or cetuximab as first-line targeted agents, and at exploring the prognostic and predictive role of HGPs...
March 13, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29527010/a-phase-1-dose-escalation-study-of-veliparib-with-bimonthly-folfiri-in-patients-with-advanced-solid-tumours
#16
Jordan Berlin, Ramesh K Ramanathan, John H Strickler, Deepa S Subramaniam, John Marshall, Yoon-Koo Kang, Robert Hetman, Matthew W Dudley, Jiewei Zeng, Caroline Nickner, Hao Xiong, Philip Komarnitsky, Stacie Peacock Shepherd, Herbert Hurwitz, Heinz-Josef Lenz
BACKGROUND: Veliparib is a potent poly(ADP-ribose) polymerase inhibitor. This phase 1 study aimed to establish the maximum tolerated dose (MTD) and recommended phase 2 dose (RP2D) of veliparib combined with various FOLFIRI regimens in patients with solid tumours. METHODS: Patients received veliparib (10-270 mg BID, days 1-5, 15-19) and FOLFIRI (days 1-3, 15-17) in three regimens containing 5-fluorouracil 2,400 mg/m2 : irinotecan 150 mg/m2 and folinic acid 400 mg/m2 (part 1); irinotecan 180 mg/m2 , folinic acid 400 mg/m2 , and 5-fluorouracil 400 mg/m2 bolus (part 2), or irinotecan 180 mg/m2 (part 3)...
March 12, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29523831/intratumoural-expression-of-deoxycytidylate-deaminase-or-ribonuceotide-reductase-subunit-m1-expression-are-not-related-to-survival-in-patients-with-resected-pancreatic-cancer-given-adjuvant-chemotherapy
#17
N O Elander, K Aughton, P Ghaneh, J P Neoptolemos, D H Palmer, T F Cox, F Campbell, E Costello, C M Halloran, J R Mackey, A G Scarfe, J W Valle, A C McDonald, R Carter, N C Tebbutt, D Goldstein, J Shannon, C Dervenis, B Glimelius, M Deakin, R M Charnley, A Anthoney, M M Lerch, J Mayerle, A Oláh, M W Büchler, W Greenhalf
BACKGROUND: Deoxycytidylate deaminase (DCTD) and ribonucleotide reductase subunit M1 (RRM1) are potential prognostic and predictive biomarkers for pyrimidine-based chemotherapy in pancreatic adenocarcinoma. METHODS: Immunohistochemical staining of DCTD and RRM1 was performed on tissue microarrays representing tumour samples from 303 patients in European Study Group for Pancreatic Cancer (ESPAC)-randomised adjuvant trials following pancreatic resection, 272 of whom had received gemcitabine or 5-fluorouracil with folinic acid in ESPAC-3(v2), and 31 patients from the combined ESPAC-3(v1) and ESPAC-1 post-operative pure observational groups...
March 9, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29522482/optimization-of-conditions-for-extraction-of-polyphenols-and-the-determination-of-the-impact-of-cooking-on-total-polyphenolic-antioxidant-and-anticholinesterase-activities-of-potato
#18
Imen Laib, Malika Barkat
In this work we optimized the cooking and extraction conditions for obtaining high yields of total polyphenols from potato and studied the effect of three domestic methods of cooking on total phenols, antioxidant activity, and anticholinesterase activities. The optimization of the experiment was carried out by the experimental designs. The extraction of the polyphenols was carried out by maceration and ultrasonication. Determination of the polyphenols was performed by using the Folin-Ciocalteau reagent method...
March 9, 2018: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/29522434/effect-of-sulfites-on-antioxidant-activity-total-polyphenols-and-flavonoid-measurements-in-white-wine
#19
Mirella Nardini, Ivana Garaguso
Polyphenols content and antioxidant activity are directly related to the quality of wine. Wine also contains sulfites, which are added during the winemaking process. The present study aimed to evaluate the effects of sulfites on the assays commonly used to measure the antioxidant activity and polyphenols and flavonoids content of white wines. The effects of sulfites were explored both in the standard assays and in white wine. The addition of sulfites (at 1-10 μg) in the standard assays resulted in a significant, positive interference in the Folin-Ciocalteu's assay used for polyphenols measurements and in both the Ferric Reducing Antioxidant Power and 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt radical cation decolorization assays, which were used for antioxidant activity evaluation...
March 9, 2018: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/29515256/expression-of-dihydropyrimidine-dehydrogenase-dpd-and-hent1-predicts-survival-in-pancreatic-cancer
#20
N O Elander, K Aughton, P Ghaneh, J P Neoptolemos, D H Palmer, T F Cox, F Campbell, E Costello, C M Halloran, J R Mackey, A G Scarfe, J W Valle, A C McDonald, R Carter, N C Tebbutt, D Goldstein, J Shannon, C Dervenis, B Glimelius, M Deakin, R M Charnley, Alan Anthoney, M M Lerch, J Mayerle, A Oláh, M W Büchler, W Greenhalf
BACKGROUND: Dihydropyrimidine dehydrogenase (DPD) tumour expression may provide added value to human equilibrative nucleoside transporter-1 (hENT1) tumour expression in predicting survival following pyrimidine-based adjuvant chemotherapy. METHODS: DPD and hENT1 immunohistochemistry and scoring was completed on tumour cores from 238 patients with pancreatic cancer in the ESPAC-3(v2) trial, randomised to either postoperative gemcitabine or 5-fluorouracil/folinic acid (5FU/FA)...
March 8, 2018: British Journal of Cancer
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